wrappers for ->i_mutex access

parallel to mutex_{lock,unlock,trylock,is_locked,lock_nested},
inode_foo(inode) being mutex_foo(&inode->i_mutex).

Please, use those for access to ->i_mutex; over the coming cycle
->i_mutex will become rwsem, with ->lookup() done with it held
only shared.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/powerpc/platforms/cell/spufs/file.c

@@ -1799,9 +1799,9 @@ static int spufs_mfc_fsync(struct file *file, loff_t start, loff_t end, int data
 	struct inode *inode = file_inode(file);
 	int err = filemap_write_and_wait_range(inode->i_mapping, start, end);
 	if (!err) {
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		err = spufs_mfc_flush(file, NULL);
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 	}
 	return err;
 }

arch/powerpc/platforms/cell/spufs/inode.c

@@ -163,7 +163,7 @@ static void spufs_prune_dir(struct dentry *dir)
 {
 	struct dentry *dentry, *tmp;
 
-	mutex_lock(&d_inode(dir)->i_mutex);
+	inode_lock(d_inode(dir));
 	list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_child) {
 		spin_lock(&dentry->d_lock);
 		if (simple_positive(dentry)) {
@@ -180,7 +180,7 @@ static void spufs_prune_dir(struct dentry *dir)
 		}
 	}
 	shrink_dcache_parent(dir);
-	mutex_unlock(&d_inode(dir)->i_mutex);
+	inode_unlock(d_inode(dir));
 }
 
 /* Caller must hold parent->i_mutex */
@@ -225,9 +225,9 @@ static int spufs_dir_close(struct inode *inode, struct file *file)
 	parent = d_inode(dir->d_parent);
 	ctx = SPUFS_I(d_inode(dir))->i_ctx;
 
-	mutex_lock_nested(&parent->i_mutex, I_MUTEX_PARENT);
+	inode_lock_nested(parent, I_MUTEX_PARENT);
 	ret = spufs_rmdir(parent, dir);
-	mutex_unlock(&parent->i_mutex);
+	inode_unlock(parent);
 	WARN_ON(ret);
 
 	return dcache_dir_close(inode, file);
@@ -270,7 +270,7 @@ spufs_mkdir(struct inode *dir, struct dentry *dentry, unsigned int flags,
 	inode->i_op = &simple_dir_inode_operations;
 	inode->i_fop = &simple_dir_operations;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	dget(dentry);
 	inc_nlink(dir);
@@ -291,7 +291,7 @@ spufs_mkdir(struct inode *dir, struct dentry *dentry, unsigned int flags,
 	if (ret)
 		spufs_rmdir(dir, dentry);
 
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	return ret;
 }

arch/s390/hypfs/inode.c

@@ -67,7 +67,7 @@ static void hypfs_remove(struct dentry *dentry)
 	struct dentry *parent;
 
 	parent = dentry->d_parent;
-	mutex_lock(&d_inode(parent)->i_mutex);
+	inode_lock(d_inode(parent));
 	if (simple_positive(dentry)) {
 		if (d_is_dir(dentry))
 			simple_rmdir(d_inode(parent), dentry);
@@ -76,7 +76,7 @@ static void hypfs_remove(struct dentry *dentry)
 	}
 	d_delete(dentry);
 	dput(dentry);
-	mutex_unlock(&d_inode(parent)->i_mutex);
+	inode_unlock(d_inode(parent));
 }
 
 static void hypfs_delete_tree(struct dentry *root)
@@ -331,7 +331,7 @@ static struct dentry *hypfs_create_file(struct dentry *parent, const char *name,
 	struct dentry *dentry;
 	struct inode *inode;
 
-	mutex_lock(&d_inode(parent)->i_mutex);
+	inode_lock(d_inode(parent));
 	dentry = lookup_one_len(name, parent, strlen(name));
 	if (IS_ERR(dentry)) {
 		dentry = ERR_PTR(-ENOMEM);
@@ -359,7 +359,7 @@ static struct dentry *hypfs_create_file(struct dentry *parent, const char *name,
 	d_instantiate(dentry, inode);
 	dget(dentry);
 fail:
-	mutex_unlock(&d_inode(parent)->i_mutex);
+	inode_unlock(d_inode(parent));
 	return dentry;
 }
 

block/ioctl.c

@@ -455,12 +455,12 @@ static int blkdev_daxset(struct block_device *bdev, unsigned long argp)
 	if (arg && !blkdev_dax_capable(bdev))
 		return -ENOTTY;
 
-	mutex_lock(&bdev->bd_inode->i_mutex);
+	inode_lock(bdev->bd_inode);
 	if (bdev->bd_map_count == 0)
 		inode_set_flags(bdev->bd_inode, arg, S_DAX);
 	else
 		rc = -EBUSY;
-	mutex_unlock(&bdev->bd_inode->i_mutex);
+	inode_unlock(bdev->bd_inode);
 	return rc;
 }
 #else

drivers/base/devtmpfs.c

@@ -215,9 +215,9 @@ static int handle_create(const char *nodename, umode_t mode, kuid_t uid,
 		newattrs.ia_uid = uid;
 		newattrs.ia_gid = gid;
 		newattrs.ia_valid = ATTR_MODE|ATTR_UID|ATTR_GID;
-		mutex_lock(&d_inode(dentry)->i_mutex);
+		inode_lock(d_inode(dentry));
 		notify_change(dentry, &newattrs, NULL);
-		mutex_unlock(&d_inode(dentry)->i_mutex);
+		inode_unlock(d_inode(dentry));
 
 		/* mark as kernel-created inode */
 		d_inode(dentry)->i_private = &thread;
@@ -244,7 +244,7 @@ static int dev_rmdir(const char *name)
 		err = -ENOENT;
 	}
 	dput(dentry);
-	mutex_unlock(&d_inode(parent.dentry)->i_mutex);
+	inode_unlock(d_inode(parent.dentry));
 	path_put(&parent);
 	return err;
 }
@@ -321,9 +321,9 @@ static int handle_remove(const char *nodename, struct device *dev)
 			newattrs.ia_mode = stat.mode & ~0777;
 			newattrs.ia_valid =
 				ATTR_UID|ATTR_GID|ATTR_MODE;
-			mutex_lock(&d_inode(dentry)->i_mutex);
+			inode_lock(d_inode(dentry));
 			notify_change(dentry, &newattrs, NULL);
-			mutex_unlock(&d_inode(dentry)->i_mutex);
+			inode_unlock(d_inode(dentry));
 			err = vfs_unlink(d_inode(parent.dentry), dentry, NULL);
 			if (!err || err == -ENOENT)
 				deleted = 1;
@@ -332,7 +332,7 @@ static int handle_remove(const char *nodename, struct device *dev)
 		err = -ENOENT;
 	}
 	dput(dentry);
-	mutex_unlock(&d_inode(parent.dentry)->i_mutex);
+	inode_unlock(d_inode(parent.dentry));
 
 	path_put(&parent);
 	if (deleted && strchr(nodename, '/'))

drivers/block/aoe/aoecmd.c

@@ -964,9 +964,9 @@ aoecmd_sleepwork(struct work_struct *work)
 		ssize = get_capacity(d->gd);
 		bd = bdget_disk(d->gd, 0);
 		if (bd) {
-			mutex_lock(&bd->bd_inode->i_mutex);
+			inode_lock(bd->bd_inode);
 			i_size_write(bd->bd_inode, (loff_t)ssize<<9);
-			mutex_unlock(&bd->bd_inode->i_mutex);
+			inode_unlock(bd->bd_inode);
 			bdput(bd);
 		}
 		spin_lock_irq(&d->lock);

drivers/block/drbd/drbd_debugfs.c

@@ -434,12 +434,12 @@ static int drbd_single_open(struct file *file, int (*show)(struct seq_file *, vo
 	if (!parent || d_really_is_negative(parent))
 		goto out;
 	/* serialize with d_delete() */
-	mutex_lock(&d_inode(parent)->i_mutex);
+	inode_lock(d_inode(parent));
 	/* Make sure the object is still alive */
 	if (simple_positive(file->f_path.dentry)
 	&& kref_get_unless_zero(kref))
 		ret = 0;
-	mutex_unlock(&d_inode(parent)->i_mutex);
+	inode_unlock(d_inode(parent));
 	if (!ret) {
 		ret = single_open(file, show, data);
 		if (ret)

drivers/char/mem.c

@@ -689,7 +689,7 @@ static loff_t memory_lseek(struct file *file, loff_t offset, int orig)
 {
 	loff_t ret;
 
-	mutex_lock(&file_inode(file)->i_mutex);
+	inode_lock(file_inode(file));
 	switch (orig) {
 	case SEEK_CUR:
 		offset += file->f_pos;
@@ -706,7 +706,7 @@ static loff_t memory_lseek(struct file *file, loff_t offset, int orig)
 	default:
 		ret = -EINVAL;
 	}
-	mutex_unlock(&file_inode(file)->i_mutex);
+	inode_unlock(file_inode(file));
 	return ret;
 }
 

drivers/char/ps3flash.c

@@ -290,9 +290,9 @@ static int ps3flash_fsync(struct file *file, loff_t start, loff_t end, int datas
 {
 	struct inode *inode = file_inode(file);
 	int err;
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	err = ps3flash_writeback(ps3flash_dev);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return err;
 }
 

drivers/infiniband/hw/qib/qib_fs.c

@@ -89,14 +89,14 @@ static int create_file(const char *name, umode_t mode,
 {
 	int error;
 
-	mutex_lock(&d_inode(parent)->i_mutex);
+	inode_lock(d_inode(parent));
 	*dentry = lookup_one_len(name, parent, strlen(name));
 	if (!IS_ERR(*dentry))
 		error = qibfs_mknod(d_inode(parent), *dentry,
 				    mode, fops, data);
 	else
 		error = PTR_ERR(*dentry);
-	mutex_unlock(&d_inode(parent)->i_mutex);
+	inode_unlock(d_inode(parent));
 
 	return error;
 }
@@ -481,7 +481,7 @@ static int remove_device_files(struct super_block *sb,
 	int ret, i;
 
 	root = dget(sb->s_root);
-	mutex_lock(&d_inode(root)->i_mutex);
+	inode_lock(d_inode(root));
 	snprintf(unit, sizeof(unit), "%u", dd->unit);
 	dir = lookup_one_len(unit, root, strlen(unit));
 
@@ -491,7 +491,7 @@ static int remove_device_files(struct super_block *sb,
 		goto bail;
 	}
 
-	mutex_lock(&d_inode(dir)->i_mutex);
+	inode_lock(d_inode(dir));
 	remove_file(dir, "counters");
 	remove_file(dir, "counter_names");
 	remove_file(dir, "portcounter_names");
@@ -506,13 +506,13 @@ static int remove_device_files(struct super_block *sb,
 		}
 	}
 	remove_file(dir, "flash");
-	mutex_unlock(&d_inode(dir)->i_mutex);
+	inode_unlock(d_inode(dir));
 	ret = simple_rmdir(d_inode(root), dir);
 	d_delete(dir);
 	dput(dir);
 
 bail:
-	mutex_unlock(&d_inode(root)->i_mutex);
+	inode_unlock(d_inode(root));
 	dput(root);
 	return ret;
 }

drivers/mtd/ubi/cdev.c

@@ -174,9 +174,9 @@ static int vol_cdev_fsync(struct file *file, loff_t start, loff_t end,
 	struct ubi_device *ubi = desc->vol->ubi;
 	struct inode *inode = file_inode(file);
 	int err;
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	err = ubi_sync(ubi->ubi_num);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return err;
 }
 

drivers/oprofile/oprofilefs.c

@@ -138,22 +138,22 @@ static int __oprofilefs_create_file(struct dentry *root, char const *name,
 	struct dentry *dentry;
 	struct inode *inode;
 
-	mutex_lock(&d_inode(root)->i_mutex);
+	inode_lock(d_inode(root));
 	dentry = d_alloc_name(root, name);
 	if (!dentry) {
-		mutex_unlock(&d_inode(root)->i_mutex);
+		inode_unlock(d_inode(root));
 		return -ENOMEM;
 	}
 	inode = oprofilefs_get_inode(root->d_sb, S_IFREG | perm);
 	if (!inode) {
 		dput(dentry);
-		mutex_unlock(&d_inode(root)->i_mutex);
+		inode_unlock(d_inode(root));
 		return -ENOMEM;
 	}
 	inode->i_fop = fops;
 	inode->i_private = priv;
 	d_add(dentry, inode);
-	mutex_unlock(&d_inode(root)->i_mutex);
+	inode_unlock(d_inode(root));
 	return 0;
 }
 
@@ -215,22 +215,22 @@ struct dentry *oprofilefs_mkdir(struct dentry *parent, char const *name)
 	struct dentry *dentry;
 	struct inode *inode;
 
-	mutex_lock(&d_inode(parent)->i_mutex);
+	inode_lock(d_inode(parent));
 	dentry = d_alloc_name(parent, name);
 	if (!dentry) {
-		mutex_unlock(&d_inode(parent)->i_mutex);
+		inode_unlock(d_inode(parent));
 		return NULL;
 	}
 	inode = oprofilefs_get_inode(parent->d_sb, S_IFDIR | 0755);
 	if (!inode) {
 		dput(dentry);
-		mutex_unlock(&d_inode(parent)->i_mutex);
+		inode_unlock(d_inode(parent));
 		return NULL;
 	}
 	inode->i_op = &simple_dir_inode_operations;
 	inode->i_fop = &simple_dir_operations;
 	d_add(dentry, inode);
-	mutex_unlock(&d_inode(parent)->i_mutex);
+	inode_unlock(d_inode(parent));
 	return dentry;
 }
 

drivers/staging/lustre/lustre/llite/dir.c

@@ -1858,7 +1858,7 @@ static loff_t ll_dir_seek(struct file *file, loff_t offset, int origin)
 	int api32 = ll_need_32bit_api(sbi);
 	loff_t ret = -EINVAL;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	switch (origin) {
 	case SEEK_SET:
 		break;
@@ -1896,7 +1896,7 @@ static loff_t ll_dir_seek(struct file *file, loff_t offset, int origin)
 	goto out;
 
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return ret;
 }
 

drivers/staging/lustre/lustre/llite/file.c

@@ -2082,17 +2082,17 @@ putgl:
 	/* update time if requested */
 	rc = 0;
 	if (llss->ia2.ia_valid != 0) {
-		mutex_lock(&llss->inode1->i_mutex);
+		inode_lock(llss->inode1);
 		rc = ll_setattr(file1->f_path.dentry, &llss->ia2);
-		mutex_unlock(&llss->inode1->i_mutex);
+		inode_unlock(llss->inode1);
 	}
 
 	if (llss->ia1.ia_valid != 0) {
 		int rc1;
 
-		mutex_lock(&llss->inode2->i_mutex);
+		inode_lock(llss->inode2);
 		rc1 = ll_setattr(file2->f_path.dentry, &llss->ia1);
-		mutex_unlock(&llss->inode2->i_mutex);
+		inode_unlock(llss->inode2);
 		if (rc == 0)
 			rc = rc1;
 	}
@@ -2179,13 +2179,13 @@ static int ll_hsm_import(struct inode *inode, struct file *file,
 			 ATTR_MTIME | ATTR_MTIME_SET |
 			 ATTR_ATIME | ATTR_ATIME_SET;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	rc = ll_setattr_raw(file->f_path.dentry, attr, true);
 	if (rc == -ENODATA)
 		rc = 0;
 
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	kfree(attr);
 free_hss:
@@ -2609,7 +2609,7 @@ int ll_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 	ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_FSYNC, 1);
 
 	rc = filemap_write_and_wait_range(inode->i_mapping, start, end);
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	/* catch async errors that were recorded back when async writeback
 	 * failed for pages in this mapping. */
@@ -2641,7 +2641,7 @@ int ll_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 			fd->fd_write_failed = false;
 	}
 
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return rc;
 }
 

drivers/staging/lustre/lustre/llite/llite_lib.c

@@ -1277,7 +1277,7 @@ int ll_setattr_raw(struct dentry *dentry, struct iattr *attr, bool hsm_import)
 		return -ENOMEM;
 
 	if (!S_ISDIR(inode->i_mode))
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 
 	memcpy(&op_data->op_attr, attr, sizeof(*attr));
 
@@ -1358,7 +1358,7 @@ out:
 	ll_finish_md_op_data(op_data);
 
 	if (!S_ISDIR(inode->i_mode)) {
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		if ((attr->ia_valid & ATTR_SIZE) && !hsm_import)
 			inode_dio_wait(inode);
 	}

drivers/staging/lustre/lustre/llite/llite_nfs.c

@@ -245,9 +245,9 @@ static int ll_get_name(struct dentry *dentry, char *name,
 		goto out;
 	}
 
-	mutex_lock(&dir->i_mutex);
+	inode_lock(dir);
 	rc = ll_dir_read(dir, &lgd.ctx);
-	mutex_unlock(&dir->i_mutex);
+	inode_unlock(dir);
 	if (!rc && !lgd.lgd_found)
 		rc = -ENOENT;
 out:

drivers/staging/lustre/lustre/llite/lloop.c

@@ -257,9 +257,9 @@ static int do_bio_lustrebacked(struct lloop_device *lo, struct bio *head)
 	 *    be asked to write less pages once, this purely depends on
 	 *    implementation. Anyway, we should be careful to avoid deadlocking.
 	 */
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	bytes = ll_direct_rw_pages(env, io, rw, inode, pvec);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	cl_io_fini(env, io);
 	return (bytes == pvec->ldp_size) ? 0 : (int)bytes;
 }

drivers/staging/lustre/lustre/llite/rw.c

@@ -115,8 +115,8 @@ static struct ll_cl_context *ll_cl_init(struct file *file,
 		struct inode *inode = vmpage->mapping->host;
 		loff_t pos;
 
-		if (mutex_trylock(&inode->i_mutex)) {
-			mutex_unlock(&(inode)->i_mutex);
+		if (inode_trylock(inode)) {
+			inode_unlock((inode));
 
 			/* this is too bad. Someone is trying to write the
 			 * page w/o holding inode mutex. This means we can

drivers/staging/lustre/lustre/llite/rw26.c

@@ -403,7 +403,7 @@ static ssize_t ll_direct_IO_26(struct kiocb *iocb, struct iov_iter *iter,
 	 * 1. Need inode mutex to operate transient pages.
 	 */
 	if (iov_iter_rw(iter) == READ)
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 
 	LASSERT(obj->cob_transient_pages == 0);
 	while (iov_iter_count(iter)) {
@@ -454,7 +454,7 @@ static ssize_t ll_direct_IO_26(struct kiocb *iocb, struct iov_iter *iter,
 out:
 	LASSERT(obj->cob_transient_pages == 0);
 	if (iov_iter_rw(iter) == READ)
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 
 	if (tot_bytes > 0) {
 		if (iov_iter_rw(iter) == WRITE) {

drivers/staging/lustre/lustre/llite/vvp_io.c

@@ -439,7 +439,7 @@ static int vvp_io_setattr_start(const struct lu_env *env,
 	struct inode	*inode = ccc_object_inode(io->ci_obj);
 	int result = 0;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	if (cl_io_is_trunc(io))
 		result = vvp_io_setattr_trunc(env, ios, inode,
 					io->u.ci_setattr.sa_attr.lvb_size);
@@ -459,7 +459,7 @@ static void vvp_io_setattr_end(const struct lu_env *env,
 		 * because osc has already notified to destroy osc_extents. */
 		vvp_do_vmtruncate(inode, io->u.ci_setattr.sa_attr.lvb_size);
 
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 }
 
 static void vvp_io_setattr_fini(const struct lu_env *env,

drivers/staging/lustre/lustre/llite/vvp_page.c

@@ -428,7 +428,7 @@ static void vvp_transient_page_verify(const struct cl_page *page)
 {
 	struct inode *inode = ccc_object_inode(page->cp_obj);
 
-	LASSERT(!mutex_trylock(&inode->i_mutex));
+	LASSERT(!inode_trylock(inode));
 }
 
 static int vvp_transient_page_own(const struct lu_env *env,
@@ -480,9 +480,9 @@ static int vvp_transient_page_is_vmlocked(const struct lu_env *env,
 	struct inode    *inode = ccc_object_inode(slice->cpl_obj);
 	int	locked;
 
-	locked = !mutex_trylock(&inode->i_mutex);
+	locked = !inode_trylock(inode);
 	if (!locked)
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 	return locked ? -EBUSY : -ENODATA;
 }
 
@@ -502,7 +502,7 @@ static void vvp_transient_page_fini(const struct lu_env *env,
 	struct ccc_object *clobj = cl2ccc(clp->cp_obj);
 
 	vvp_page_fini_common(cp);
-	LASSERT(!mutex_trylock(&clobj->cob_inode->i_mutex));
+	LASSERT(!inode_trylock(clobj->cob_inode));
 	clobj->cob_transient_pages--;
 }
 
@@ -548,7 +548,7 @@ int vvp_page_init(const struct lu_env *env, struct cl_object *obj,
 	} else {
 		struct ccc_object *clobj = cl2ccc(obj);
 
-		LASSERT(!mutex_trylock(&clobj->cob_inode->i_mutex));
+		LASSERT(!inode_trylock(clobj->cob_inode));
 		cl_page_slice_add(page, &cpg->cpg_cl, obj,
 				&vvp_transient_page_ops);
 		clobj->cob_transient_pages++;

drivers/staging/rdma/ipath/ipath_fs.c

@@ -82,14 +82,14 @@ static int create_file(const char *name, umode_t mode,
 {
 	int error;
 
-	mutex_lock(&d_inode(parent)->i_mutex);
+	inode_lock(d_inode(parent));
 	*dentry = lookup_one_len(name, parent, strlen(name));
 	if (!IS_ERR(*dentry))
 		error = ipathfs_mknod(d_inode(parent), *dentry,
 				      mode, fops, data);
 	else
 		error = PTR_ERR(*dentry);
-	mutex_unlock(&d_inode(parent)->i_mutex);
+	inode_unlock(d_inode(parent));
 
 	return error;
 }
@@ -295,7 +295,7 @@ static int remove_device_files(struct super_block *sb,
 	int ret;
 
 	root = dget(sb->s_root);
-	mutex_lock(&d_inode(root)->i_mutex);
+	inode_lock(d_inode(root));
 	snprintf(unit, sizeof unit, "%02d", dd->ipath_unit);
 	dir = lookup_one_len(unit, root, strlen(unit));
 
@@ -311,7 +311,7 @@ static int remove_device_files(struct super_block *sb,
 	ret = simple_rmdir(d_inode(root), dir);
 
 bail:
-	mutex_unlock(&d_inode(root)->i_mutex);
+	inode_unlock(d_inode(root));
 	dput(root);
 	return ret;
 }

drivers/usb/gadget/function/f_printer.c

@@ -673,7 +673,7 @@ printer_fsync(struct file *fd, loff_t start, loff_t end, int datasync)
 	unsigned long		flags;
 	int			tx_list_empty;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	spin_lock_irqsave(&dev->lock, flags);
 	tx_list_empty = (likely(list_empty(&dev->tx_reqs)));
 	spin_unlock_irqrestore(&dev->lock, flags);
@@ -683,7 +683,7 @@ printer_fsync(struct file *fd, loff_t start, loff_t end, int datasync)
 		wait_event_interruptible(dev->tx_flush_wait,
 				(likely(list_empty(&dev->tx_reqs_active))));
 	}
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	return 0;
 }

drivers/usb/gadget/legacy/inode.c

@@ -1521,10 +1521,10 @@ static void destroy_ep_files (struct dev_data *dev)
 		spin_unlock_irq (&dev->lock);
 
 		/* break link to dcache */
-		mutex_lock (&parent->i_mutex);
+		inode_lock(parent);
 		d_delete (dentry);
 		dput (dentry);
-		mutex_unlock (&parent->i_mutex);
+		inode_unlock(parent);
 
 		spin_lock_irq (&dev->lock);
 	}

drivers/usb/gadget/udc/atmel_usba_udc.c

@@ -91,7 +91,7 @@ static ssize_t queue_dbg_read(struct file *file, char __user *buf,
 	if (!access_ok(VERIFY_WRITE, buf, nbytes))
 		return -EFAULT;
 
-	mutex_lock(&file_inode(file)->i_mutex);
+	inode_lock(file_inode(file));
 	list_for_each_entry_safe(req, tmp_req, queue, queue) {
 		len = snprintf(tmpbuf, sizeof(tmpbuf),
 				"%8p %08x %c%c%c %5d %c%c%c\n",
@@ -118,7 +118,7 @@ static ssize_t queue_dbg_read(struct file *file, char __user *buf,
 		nbytes -= len;
 		buf += len;
 	}
-	mutex_unlock(&file_inode(file)->i_mutex);
+	inode_unlock(file_inode(file));
 
 	return actual;
 }
@@ -143,7 +143,7 @@ static int regs_dbg_open(struct inode *inode, struct file *file)
 	u32 *data;
 	int ret = -ENOMEM;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	udc = inode->i_private;
 	data = kmalloc(inode->i_size, GFP_KERNEL);
 	if (!data)
@@ -158,7 +158,7 @@ static int regs_dbg_open(struct inode *inode, struct file *file)
 	ret = 0;
 
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	return ret;
 }
@@ -169,11 +169,11 @@ static ssize_t regs_dbg_read(struct file *file, char __user *buf,
 	struct inode *inode = file_inode(file);
 	int ret;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	ret = simple_read_from_buffer(buf, nbytes, ppos,
 			file->private_data,
 			file_inode(file)->i_size);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	return ret;
 }

drivers/video/fbdev/core/fb_defio.c

@@ -78,13 +78,13 @@ int fb_deferred_io_fsync(struct file *file, loff_t start, loff_t end, int datasy
 	if (!info->fbdefio)
 		return 0;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	/* Kill off the delayed work */
 	cancel_delayed_work_sync(&info->deferred_work);
 
 	/* Run it immediately */
 	schedule_delayed_work(&info->deferred_work, 0);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	return 0;
 }

fs/9p/vfs_file.c

@@ -449,14 +449,14 @@ static int v9fs_file_fsync(struct file *filp, loff_t start, loff_t end,
 	if (retval)
 		return retval;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	p9_debug(P9_DEBUG_VFS, "filp %p datasync %x\n", filp, datasync);
 
 	fid = filp->private_data;
 	v9fs_blank_wstat(&wstat);
 
 	retval = p9_client_wstat(fid, &wstat);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	return retval;
 }
@@ -472,13 +472,13 @@ int v9fs_file_fsync_dotl(struct file *filp, loff_t start, loff_t end,
 	if (retval)
 		return retval;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	p9_debug(P9_DEBUG_VFS, "filp %p datasync %x\n", filp, datasync);
 
 	fid = filp->private_data;
 
 	retval = p9_client_fsync(fid, datasync);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	return retval;
 }

fs/affs/file.c

@@ -33,11 +33,11 @@ affs_file_release(struct inode *inode, struct file *filp)
 		 inode->i_ino, atomic_read(&AFFS_I(inode)->i_opencnt));
 
 	if (atomic_dec_and_test(&AFFS_I(inode)->i_opencnt)) {
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		if (inode->i_size != AFFS_I(inode)->mmu_private)
 			affs_truncate(inode);
 		affs_free_prealloc(inode);
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 	}
 
 	return 0;
@@ -958,12 +958,12 @@ int affs_file_fsync(struct file *filp, loff_t start, loff_t end, int datasync)
 	if (err)
 		return err;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	ret = write_inode_now(inode, 0);
 	err = sync_blockdev(inode->i_sb->s_bdev);
 	if (!ret)
 		ret = err;
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return ret;
 }
 const struct file_operations affs_file_operations = {

fs/afs/flock.c

@@ -483,7 +483,7 @@ static int afs_do_getlk(struct file *file, struct file_lock *fl)
 
 	fl->fl_type = F_UNLCK;
 
-	mutex_lock(&vnode->vfs_inode.i_mutex);
+	inode_lock(&vnode->vfs_inode);
 
 	/* check local lock records first */
 	ret = 0;
@@ -505,7 +505,7 @@ static int afs_do_getlk(struct file *file, struct file_lock *fl)
 	}
 
 error:
-	mutex_unlock(&vnode->vfs_inode.i_mutex);
+	inode_unlock(&vnode->vfs_inode);
 	_leave(" = %d [%hd]", ret, fl->fl_type);
 	return ret;
 }

fs/afs/write.c

@@ -693,7 +693,7 @@ int afs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 	ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
 	if (ret)
 		return ret;
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	/* use a writeback record as a marker in the queue - when this reaches
 	 * the front of the queue, all the outstanding writes are either
@@ -735,7 +735,7 @@ int afs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 	afs_put_writeback(wb);
 	_leave(" = %d", ret);
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return ret;
 }
 

fs/attr.c

@@ -195,7 +195,7 @@ int notify_change(struct dentry * dentry, struct iattr * attr, struct inode **de
 	struct timespec now;
 	unsigned int ia_valid = attr->ia_valid;
 
-	WARN_ON_ONCE(!mutex_is_locked(&inode->i_mutex));
+	WARN_ON_ONCE(!inode_is_locked(inode));
 
 	if (ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID | ATTR_TIMES_SET)) {
 		if (IS_IMMUTABLE(inode) || IS_APPEND(inode))

fs/binfmt_misc.c

@@ -638,11 +638,11 @@ static ssize_t bm_entry_write(struct file *file, const char __user *buffer,
 	case 3:
 		/* Delete this handler. */
 		root = dget(file->f_path.dentry->d_sb->s_root);
-		mutex_lock(&d_inode(root)->i_mutex);
+		inode_lock(d_inode(root));
 
 		kill_node(e);
 
-		mutex_unlock(&d_inode(root)->i_mutex);
+		inode_unlock(d_inode(root));
 		dput(root);
 		break;
 	default:
@@ -675,7 +675,7 @@ static ssize_t bm_register_write(struct file *file, const char __user *buffer,
 		return PTR_ERR(e);
 
 	root = dget(sb->s_root);
-	mutex_lock(&d_inode(root)->i_mutex);
+	inode_lock(d_inode(root));
 	dentry = lookup_one_len(e->name, root, strlen(e->name));
 	err = PTR_ERR(dentry);
 	if (IS_ERR(dentry))
@@ -711,7 +711,7 @@ static ssize_t bm_register_write(struct file *file, const char __user *buffer,
 out2:
 	dput(dentry);
 out:
-	mutex_unlock(&d_inode(root)->i_mutex);
+	inode_unlock(d_inode(root));
 	dput(root);
 
 	if (err) {
@@ -754,12 +754,12 @@ static ssize_t bm_status_write(struct file *file, const char __user *buffer,
 	case 3:
 		/* Delete all handlers. */
 		root = dget(file->f_path.dentry->d_sb->s_root);
-		mutex_lock(&d_inode(root)->i_mutex);
+		inode_lock(d_inode(root));
 
 		while (!list_empty(&entries))
 			kill_node(list_entry(entries.next, Node, list));
 
-		mutex_unlock(&d_inode(root)->i_mutex);
+		inode_unlock(d_inode(root));
 		dput(root);
 		break;
 	default:

fs/block_dev.c

@@ -346,9 +346,9 @@ static loff_t block_llseek(struct file *file, loff_t offset, int whence)
 	struct inode *bd_inode = bdev_file_inode(file);
 	loff_t retval;
 
-	mutex_lock(&bd_inode->i_mutex);
+	inode_lock(bd_inode);
 	retval = fixed_size_llseek(file, offset, whence, i_size_read(bd_inode));
-	mutex_unlock(&bd_inode->i_mutex);
+	inode_unlock(bd_inode);
 	return retval;
 }
 	
@@ -1142,9 +1142,9 @@ void bd_set_size(struct block_device *bdev, loff_t size)
 {
 	unsigned bsize = bdev_logical_block_size(bdev);
 
-	mutex_lock(&bdev->bd_inode->i_mutex);
+	inode_lock(bdev->bd_inode);
 	i_size_write(bdev->bd_inode, size);
-	mutex_unlock(&bdev->bd_inode->i_mutex);
+	inode_unlock(bdev->bd_inode);
 	while (bsize < PAGE_CACHE_SIZE) {
 		if (size & bsize)
 			break;
@@ -1741,9 +1741,9 @@ static void blkdev_vm_open(struct vm_area_struct *vma)
 	struct inode *bd_inode = bdev_file_inode(vma->vm_file);
 	struct block_device *bdev = I_BDEV(bd_inode);
 
-	mutex_lock(&bd_inode->i_mutex);
+	inode_lock(bd_inode);
 	bdev->bd_map_count++;
-	mutex_unlock(&bd_inode->i_mutex);
+	inode_unlock(bd_inode);
 }
 
 static void blkdev_vm_close(struct vm_area_struct *vma)
@@ -1751,9 +1751,9 @@ static void blkdev_vm_close(struct vm_area_struct *vma)
 	struct inode *bd_inode = bdev_file_inode(vma->vm_file);
 	struct block_device *bdev = I_BDEV(bd_inode);
 
-	mutex_lock(&bd_inode->i_mutex);
+	inode_lock(bd_inode);
 	bdev->bd_map_count--;
-	mutex_unlock(&bd_inode->i_mutex);
+	inode_unlock(bd_inode);
 }
 
 static const struct vm_operations_struct blkdev_dax_vm_ops = {
@@ -1777,7 +1777,7 @@ static int blkdev_mmap(struct file *file, struct vm_area_struct *vma)
 	struct block_device *bdev = I_BDEV(bd_inode);
 
 	file_accessed(file);
-	mutex_lock(&bd_inode->i_mutex);
+	inode_lock(bd_inode);
 	bdev->bd_map_count++;
 	if (IS_DAX(bd_inode)) {
 		vma->vm_ops = &blkdev_dax_vm_ops;
@@ -1785,7 +1785,7 @@ static int blkdev_mmap(struct file *file, struct vm_area_struct *vma)
 	} else {
 		vma->vm_ops = &blkdev_default_vm_ops;
 	}
-	mutex_unlock(&bd_inode->i_mutex);
+	inode_unlock(bd_inode);
 
 	return 0;
 }

fs/btrfs/file.c

@@ -1762,17 +1762,17 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb,
 	loff_t pos;
 	size_t count;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	err = generic_write_checks(iocb, from);
 	if (err <= 0) {
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 		return err;
 	}
 
 	current->backing_dev_info = inode_to_bdi(inode);
 	err = file_remove_privs(file);
 	if (err) {
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 		goto out;
 	}
 
@@ -1783,7 +1783,7 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb,
 	 * to stop this write operation to ensure FS consistency.
 	 */
 	if (test_bit(BTRFS_FS_STATE_ERROR, &root->fs_info->fs_state)) {
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 		err = -EROFS;
 		goto out;
 	}
@@ -1804,7 +1804,7 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb,
 		end_pos = round_up(pos + count, root->sectorsize);
 		err = btrfs_cont_expand(inode, i_size_read(inode), end_pos);
 		if (err) {
-			mutex_unlock(&inode->i_mutex);
+			inode_unlock(inode);
 			goto out;
 		}
 	}
@@ -1820,7 +1820,7 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb,
 			iocb->ki_pos = pos + num_written;
 	}
 
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	/*
 	 * We also have to set last_sub_trans to the current log transid,
@@ -1909,7 +1909,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
 	if (ret)
 		return ret;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	atomic_inc(&root->log_batch);
 	full_sync = test_bit(BTRFS_INODE_NEEDS_FULL_SYNC,
 			     &BTRFS_I(inode)->runtime_flags);
@@ -1961,7 +1961,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
 		ret = start_ordered_ops(inode, start, end);
 	}
 	if (ret) {
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 		goto out;
 	}
 	atomic_inc(&root->log_batch);
@@ -2007,7 +2007,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
 		 */
 		clear_bit(BTRFS_INODE_NEEDS_FULL_SYNC,
 			  &BTRFS_I(inode)->runtime_flags);
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 		goto out;
 	}
 
@@ -2031,7 +2031,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
 	trans = btrfs_start_transaction(root, 0);
 	if (IS_ERR(trans)) {
 		ret = PTR_ERR(trans);
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 		goto out;
 	}
 	trans->sync = true;
@@ -2054,7 +2054,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
 	 * file again, but that will end up using the synchronization
 	 * inside btrfs_sync_log to keep things safe.
 	 */
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	/*
 	 * If any of the ordered extents had an error, just return it to user
@@ -2303,7 +2303,7 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len)
 	if (ret)
 		return ret;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	ino_size = round_up(inode->i_size, PAGE_CACHE_SIZE);
 	ret = find_first_non_hole(inode, &offset, &len);
 	if (ret < 0)
@@ -2343,7 +2343,7 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len)
 		truncated_page = true;
 		ret = btrfs_truncate_page(inode, offset, 0, 0);
 		if (ret) {
-			mutex_unlock(&inode->i_mutex);
+			inode_unlock(inode);
 			return ret;
 		}
 	}
@@ -2419,7 +2419,7 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len)
 		ret = btrfs_wait_ordered_range(inode, lockstart,
 					       lockend - lockstart + 1);
 		if (ret) {
-			mutex_unlock(&inode->i_mutex);
+			inode_unlock(inode);
 			return ret;
 		}
 	}
@@ -2574,7 +2574,7 @@ out_only_mutex:
 			ret = btrfs_end_transaction(trans, root);
 		}
 	}
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	if (ret && !err)
 		err = ret;
 	return err;
@@ -2658,7 +2658,7 @@ static long btrfs_fallocate(struct file *file, int mode,
 	if (ret < 0)
 		return ret;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	ret = inode_newsize_ok(inode, alloc_end);
 	if (ret)
 		goto out;
@@ -2816,7 +2816,7 @@ out:
 	 * So this is completely used as cleanup.
 	 */
 	btrfs_qgroup_free_data(inode, alloc_start, alloc_end - alloc_start);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	/* Let go of our reservation. */
 	btrfs_free_reserved_data_space(inode, alloc_start,
 				       alloc_end - alloc_start);
@@ -2892,7 +2892,7 @@ static loff_t btrfs_file_llseek(struct file *file, loff_t offset, int whence)
 	struct inode *inode = file->f_mapping->host;
 	int ret;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	switch (whence) {
 	case SEEK_END:
 	case SEEK_CUR:
@@ -2901,20 +2901,20 @@ static loff_t btrfs_file_llseek(struct file *file, loff_t offset, int whence)
 	case SEEK_DATA:
 	case SEEK_HOLE:
 		if (offset >= i_size_read(inode)) {
-			mutex_unlock(&inode->i_mutex);
+			inode_unlock(inode);
 			return -ENXIO;
 		}
 
 		ret = find_desired_extent(inode, &offset, whence);
 		if (ret) {
-			mutex_unlock(&inode->i_mutex);
+			inode_unlock(inode);
 			return ret;
 		}
 	}
 
 	offset = vfs_setpos(file, offset, inode->i_sb->s_maxbytes);
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return offset;
 }
 

fs/btrfs/inode.c

@@ -8447,7 +8447,7 @@ static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
 		 * not unlock the i_mutex at this case.
 		 */
 		if (offset + count <= inode->i_size) {
-			mutex_unlock(&inode->i_mutex);
+			inode_unlock(inode);
 			relock = true;
 		}
 		ret = btrfs_delalloc_reserve_space(inode, offset, count);
@@ -8504,7 +8504,7 @@ out:
 	if (wakeup)
 		inode_dio_end(inode);
 	if (relock)
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 
 	return ret;
 }

fs/btrfs/ioctl.c

@@ -240,7 +240,7 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg)
 	if (ret)
 		return ret;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	ip_oldflags = ip->flags;
 	i_oldflags = inode->i_flags;
@@ -358,7 +358,7 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg)
 	}
 
  out_unlock:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	mnt_drop_write_file(file);
 	return ret;
 }
@@ -881,7 +881,7 @@ out_up_read:
 out_dput:
 	dput(dentry);
 out_unlock:
-	mutex_unlock(&dir->i_mutex);
+	inode_unlock(dir);
 	return error;
 }
 
@@ -1393,18 +1393,18 @@ int btrfs_defrag_file(struct inode *inode, struct file *file,
 			ra_index += cluster;
 		}
 
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		if (range->flags & BTRFS_DEFRAG_RANGE_COMPRESS)
 			BTRFS_I(inode)->force_compress = compress_type;
 		ret = cluster_pages_for_defrag(inode, pages, i, cluster);
 		if (ret < 0) {
-			mutex_unlock(&inode->i_mutex);
+			inode_unlock(inode);
 			goto out_ra;
 		}
 
 		defrag_count += ret;
 		balance_dirty_pages_ratelimited(inode->i_mapping);
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 
 		if (newer_than) {
 			if (newer_off == (u64)-1)
@@ -1465,9 +1465,9 @@ int btrfs_defrag_file(struct inode *inode, struct file *file,
 
 out_ra:
 	if (range->flags & BTRFS_DEFRAG_RANGE_COMPRESS) {
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		BTRFS_I(inode)->force_compress = BTRFS_COMPRESS_NONE;
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 	}
 	if (!file)
 		kfree(ra);
@@ -2430,7 +2430,7 @@ static noinline int btrfs_ioctl_snap_destroy(struct file *file,
 		goto out_dput;
 	}
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	/*
 	 * Don't allow to delete a subvolume with send in progress. This is
@@ -2543,7 +2543,7 @@ out_up_write:
 		spin_unlock(&dest->root_item_lock);
 	}
 out_unlock_inode:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	if (!err) {
 		d_invalidate(dentry);
 		btrfs_invalidate_inodes(dest);
@@ -2559,7 +2559,7 @@ out_unlock_inode:
 out_dput:
 	dput(dentry);
 out_unlock_dir:
-	mutex_unlock(&dir->i_mutex);
+	inode_unlock(dir);
 out_drop_write:
 	mnt_drop_write_file(file);
 out:
@@ -2857,8 +2857,8 @@ static inline void lock_extent_range(struct inode *inode, u64 off, u64 len)
 
 static void btrfs_double_inode_unlock(struct inode *inode1, struct inode *inode2)
 {
-	mutex_unlock(&inode1->i_mutex);
-	mutex_unlock(&inode2->i_mutex);
+	inode_unlock(inode1);
+	inode_unlock(inode2);
 }
 
 static void btrfs_double_inode_lock(struct inode *inode1, struct inode *inode2)
@@ -2866,8 +2866,8 @@ static void btrfs_double_inode_lock(struct inode *inode1, struct inode *inode2)
 	if (inode1 < inode2)
 		swap(inode1, inode2);
 
-	mutex_lock_nested(&inode1->i_mutex, I_MUTEX_PARENT);
-	mutex_lock_nested(&inode2->i_mutex, I_MUTEX_CHILD);
+	inode_lock_nested(inode1, I_MUTEX_PARENT);
+	inode_lock_nested(inode2, I_MUTEX_CHILD);
 }
 
 static void btrfs_double_extent_unlock(struct inode *inode1, u64 loff1,
@@ -3026,7 +3026,7 @@ static int btrfs_extent_same(struct inode *src, u64 loff, u64 olen,
 		return 0;
 
 	if (same_inode) {
-		mutex_lock(&src->i_mutex);
+		inode_lock(src);
 
 		ret = extent_same_check_offsets(src, loff, &len, olen);
 		if (ret)
@@ -3101,7 +3101,7 @@ static int btrfs_extent_same(struct inode *src, u64 loff, u64 olen,
 	btrfs_cmp_data_free(&cmp);
 out_unlock:
 	if (same_inode)
-		mutex_unlock(&src->i_mutex);
+		inode_unlock(src);
 	else
 		btrfs_double_inode_unlock(src, dst);
 
@@ -3749,7 +3749,7 @@ static noinline int btrfs_clone_files(struct file *file, struct file *file_src,
 	if (!same_inode) {
 		btrfs_double_inode_lock(src, inode);
 	} else {
-		mutex_lock(&src->i_mutex);
+		inode_lock(src);
 	}
 
 	/* determine range to clone */
@@ -3820,7 +3820,7 @@ out_unlock:
 	if (!same_inode)
 		btrfs_double_inode_unlock(src, inode);
 	else
-		mutex_unlock(&src->i_mutex);
+		inode_unlock(src);
 	return ret;
 }
 

fs/btrfs/relocation.c

@@ -3030,7 +3030,7 @@ int prealloc_file_extent_cluster(struct inode *inode,
 	int ret = 0;
 
 	BUG_ON(cluster->start != cluster->boundary[0]);
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	ret = btrfs_check_data_free_space(inode, cluster->start,
 					  cluster->end + 1 - cluster->start);
@@ -3057,7 +3057,7 @@ int prealloc_file_extent_cluster(struct inode *inode,
 	btrfs_free_reserved_data_space(inode, cluster->start,
 				       cluster->end + 1 - cluster->start);
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return ret;
 }
 

fs/btrfs/scrub.c

@@ -4279,7 +4279,7 @@ static int copy_nocow_pages_for_inode(u64 inum, u64 offset, u64 root,
 		return PTR_ERR(inode);
 
 	/* Avoid truncate/dio/punch hole.. */
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	inode_dio_wait(inode);
 
 	physical_for_dev_replace = nocow_ctx->physical_for_dev_replace;
@@ -4358,7 +4358,7 @@ next_page:
 	}
 	ret = COPY_COMPLETE;
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	iput(inode);
 	return ret;
 }

fs/btrfs/xattr.c

@@ -126,7 +126,7 @@ static int do_setxattr(struct btrfs_trans_handle *trans,
 	 * locks the inode's i_mutex before calling setxattr or removexattr.
 	 */
 	if (flags & XATTR_REPLACE) {
-		ASSERT(mutex_is_locked(&inode->i_mutex));
+		ASSERT(inode_is_locked(inode));
 		di = btrfs_lookup_xattr(NULL, root, path, btrfs_ino(inode),
 					name, name_len, 0);
 		if (!di)

fs/cachefiles/interface.c

@@ -446,7 +446,7 @@ static int cachefiles_attr_changed(struct fscache_object *_object)
 		return 0;
 
 	cachefiles_begin_secure(cache, &saved_cred);
-	mutex_lock(&d_inode(object->backer)->i_mutex);
+	inode_lock(d_inode(object->backer));
 
 	/* if there's an extension to a partial page at the end of the backing
 	 * file, we need to discard the partial page so that we pick up new
@@ -465,7 +465,7 @@ static int cachefiles_attr_changed(struct fscache_object *_object)
 	ret = notify_change(object->backer, &newattrs, NULL);
 
 truncate_failed:
-	mutex_unlock(&d_inode(object->backer)->i_mutex);
+	inode_unlock(d_inode(object->backer));
 	cachefiles_end_secure(cache, saved_cred);
 
 	if (ret == -EIO) {

fs/cachefiles/namei.c

@@ -295,7 +295,7 @@ static int cachefiles_bury_object(struct cachefiles_cache *cache,
 				cachefiles_mark_object_buried(cache, rep, why);
 		}
 
-		mutex_unlock(&d_inode(dir)->i_mutex);
+		inode_unlock(d_inode(dir));
 
 		if (ret == -EIO)
 			cachefiles_io_error(cache, "Unlink failed");
@@ -306,7 +306,7 @@ static int cachefiles_bury_object(struct cachefiles_cache *cache,
 
 	/* directories have to be moved to the graveyard */
 	_debug("move stale object to graveyard");
-	mutex_unlock(&d_inode(dir)->i_mutex);
+	inode_unlock(d_inode(dir));
 
 try_again:
 	/* first step is to make up a grave dentry in the graveyard */
@@ -423,13 +423,13 @@ int cachefiles_delete_object(struct cachefiles_cache *cache,
 
 	dir = dget_parent(object->dentry);
 
-	mutex_lock_nested(&d_inode(dir)->i_mutex, I_MUTEX_PARENT);
+	inode_lock_nested(d_inode(dir), I_MUTEX_PARENT);
 
 	if (test_bit(FSCACHE_OBJECT_KILLED_BY_CACHE, &object->fscache.flags)) {
 		/* object allocation for the same key preemptively deleted this
 		 * object's file so that it could create its own file */
 		_debug("object preemptively buried");
-		mutex_unlock(&d_inode(dir)->i_mutex);
+		inode_unlock(d_inode(dir));
 		ret = 0;
 	} else {
 		/* we need to check that our parent is _still_ our parent - it
@@ -442,7 +442,7 @@ int cachefiles_delete_object(struct cachefiles_cache *cache,
 			/* it got moved, presumably by cachefilesd culling it,
 			 * so it's no longer in the key path and we can ignore
 			 * it */
-			mutex_unlock(&d_inode(dir)->i_mutex);
+			inode_unlock(d_inode(dir));
 			ret = 0;
 		}
 	}
@@ -501,7 +501,7 @@ lookup_again:
 	/* search the current directory for the element name */
 	_debug("lookup '%s'", name);
 
-	mutex_lock_nested(&d_inode(dir)->i_mutex, I_MUTEX_PARENT);
+	inode_lock_nested(d_inode(dir), I_MUTEX_PARENT);
 
 	start = jiffies;
 	next = lookup_one_len(name, dir, nlen);
@@ -585,7 +585,7 @@ lookup_again:
 	/* process the next component */
 	if (key) {
 		_debug("advance");
-		mutex_unlock(&d_inode(dir)->i_mutex);
+		inode_unlock(d_inode(dir));
 		dput(dir);
 		dir = next;
 		next = NULL;
@@ -623,7 +623,7 @@ lookup_again:
 	/* note that we're now using this object */
 	ret = cachefiles_mark_object_active(cache, object);
 
-	mutex_unlock(&d_inode(dir)->i_mutex);
+	inode_unlock(d_inode(dir));
 	dput(dir);
 	dir = NULL;
 
@@ -705,7 +705,7 @@ lookup_error:
 		cachefiles_io_error(cache, "Lookup failed");
 	next = NULL;
 error:
-	mutex_unlock(&d_inode(dir)->i_mutex);
+	inode_unlock(d_inode(dir));
 	dput(next);
 error_out2:
 	dput(dir);
@@ -729,7 +729,7 @@ struct dentry *cachefiles_get_directory(struct cachefiles_cache *cache,
 	_enter(",,%s", dirname);
 
 	/* search the current directory for the element name */
-	mutex_lock(&d_inode(dir)->i_mutex);
+	inode_lock(d_inode(dir));
 
 	start = jiffies;
 	subdir = lookup_one_len(dirname, dir, strlen(dirname));
@@ -768,7 +768,7 @@ struct dentry *cachefiles_get_directory(struct cachefiles_cache *cache,
 		       d_backing_inode(subdir)->i_ino);
 	}
 
-	mutex_unlock(&d_inode(dir)->i_mutex);
+	inode_unlock(d_inode(dir));
 
 	/* we need to make sure the subdir is a directory */
 	ASSERT(d_backing_inode(subdir));
@@ -800,19 +800,19 @@ check_error:
 	return ERR_PTR(ret);
 
 mkdir_error:
-	mutex_unlock(&d_inode(dir)->i_mutex);
+	inode_unlock(d_inode(dir));
 	dput(subdir);
 	pr_err("mkdir %s failed with error %d\n", dirname, ret);
 	return ERR_PTR(ret);
 
 lookup_error:
-	mutex_unlock(&d_inode(dir)->i_mutex);
+	inode_unlock(d_inode(dir));
 	ret = PTR_ERR(subdir);
 	pr_err("Lookup %s failed with error %d\n", dirname, ret);
 	return ERR_PTR(ret);
 
 nomem_d_alloc:
-	mutex_unlock(&d_inode(dir)->i_mutex);
+	inode_unlock(d_inode(dir));
 	_leave(" = -ENOMEM");
 	return ERR_PTR(-ENOMEM);
 }
@@ -837,7 +837,7 @@ static struct dentry *cachefiles_check_active(struct cachefiles_cache *cache,
 	//       dir, filename);
 
 	/* look up the victim */
-	mutex_lock_nested(&d_inode(dir)->i_mutex, I_MUTEX_PARENT);
+	inode_lock_nested(d_inode(dir), I_MUTEX_PARENT);
 
 	start = jiffies;
 	victim = lookup_one_len(filename, dir, strlen(filename));
@@ -852,7 +852,7 @@ static struct dentry *cachefiles_check_active(struct cachefiles_cache *cache,
 	 * at the netfs's request whilst the cull was in progress
 	 */
 	if (d_is_negative(victim)) {
-		mutex_unlock(&d_inode(dir)->i_mutex);
+		inode_unlock(d_inode(dir));
 		dput(victim);
 		_leave(" = -ENOENT [absent]");
 		return ERR_PTR(-ENOENT);
@@ -881,13 +881,13 @@ static struct dentry *cachefiles_check_active(struct cachefiles_cache *cache,
 
 object_in_use:
 	read_unlock(&cache->active_lock);
-	mutex_unlock(&d_inode(dir)->i_mutex);
+	inode_unlock(d_inode(dir));
 	dput(victim);
 	//_leave(" = -EBUSY [in use]");
 	return ERR_PTR(-EBUSY);
 
 lookup_error:
-	mutex_unlock(&d_inode(dir)->i_mutex);
+	inode_unlock(d_inode(dir));
 	ret = PTR_ERR(victim);
 	if (ret == -ENOENT) {
 		/* file or dir now absent - probably retired by netfs */
@@ -947,7 +947,7 @@ int cachefiles_cull(struct cachefiles_cache *cache, struct dentry *dir,
 	return 0;
 
 error_unlock:
-	mutex_unlock(&d_inode(dir)->i_mutex);
+	inode_unlock(d_inode(dir));
 error:
 	dput(victim);
 	if (ret == -ENOENT) {
@@ -982,7 +982,7 @@ int cachefiles_check_in_use(struct cachefiles_cache *cache, struct dentry *dir,
 	if (IS_ERR(victim))
 		return PTR_ERR(victim);
 
-	mutex_unlock(&d_inode(dir)->i_mutex);
+	inode_unlock(d_inode(dir));
 	dput(victim);
 	//_leave(" = 0");
 	return 0;

fs/ceph/cache.c

@@ -197,7 +197,7 @@ void ceph_fscache_register_inode_cookie(struct ceph_fs_client* fsc,
 		return;
 
 	/* Avoid multiple racing open requests */
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	if (ci->fscache)
 		goto done;
@@ -207,7 +207,7 @@ void ceph_fscache_register_inode_cookie(struct ceph_fs_client* fsc,
 					     ci, true);
 	fscache_check_consistency(ci->fscache);
 done:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 }
 

fs/ceph/caps.c

@@ -2030,7 +2030,7 @@ int ceph_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 	if (datasync)
 		goto out;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	dirty = try_flush_caps(inode, &flush_tid);
 	dout("fsync dirty caps are %s\n", ceph_cap_string(dirty));
@@ -2046,7 +2046,7 @@ int ceph_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 		ret = wait_event_interruptible(ci->i_cap_wq,
 					caps_are_flushed(inode, flush_tid));
 	}
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 out:
 	dout("fsync %p%s result=%d\n", inode, datasync ? " datasync" : "", ret);
 	return ret;

fs/ceph/dir.c

@@ -507,7 +507,7 @@ static loff_t ceph_dir_llseek(struct file *file, loff_t offset, int whence)
 	loff_t old_offset = ceph_make_fpos(fi->frag, fi->next_offset);
 	loff_t retval;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	retval = -EINVAL;
 	switch (whence) {
 	case SEEK_CUR:
@@ -542,7 +542,7 @@ static loff_t ceph_dir_llseek(struct file *file, loff_t offset, int whence)
 		}
 	}
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return retval;
 }
 

fs/ceph/export.c

@@ -215,7 +215,7 @@ static int ceph_get_name(struct dentry *parent, char *name,
 	if (IS_ERR(req))
 		return PTR_ERR(req);
 
-	mutex_lock(&d_inode(parent)->i_mutex);
+	inode_lock(d_inode(parent));
 
 	req->r_inode = d_inode(child);
 	ihold(d_inode(child));
@@ -224,7 +224,7 @@ static int ceph_get_name(struct dentry *parent, char *name,
 	req->r_num_caps = 2;
 	err = ceph_mdsc_do_request(mdsc, NULL, req);
 
-	mutex_unlock(&d_inode(parent)->i_mutex);
+	inode_unlock(d_inode(parent));
 
 	if (!err) {
 		struct ceph_mds_reply_info_parsed *rinfo = &req->r_reply_info;

fs/ceph/file.c

@@ -1014,7 +1014,7 @@ static ssize_t ceph_write_iter(struct kiocb *iocb, struct iov_iter *from)
 	if (!prealloc_cf)
 		return -ENOMEM;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	/* We can write back this queue in page reclaim */
 	current->backing_dev_info = inode_to_bdi(inode);
@@ -1070,7 +1070,7 @@ retry_snap:
 	    (iocb->ki_flags & IOCB_DIRECT) || (fi->flags & CEPH_F_SYNC)) {
 		struct ceph_snap_context *snapc;
 		struct iov_iter data;
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 
 		spin_lock(&ci->i_ceph_lock);
 		if (__ceph_have_pending_cap_snap(ci)) {
@@ -1097,7 +1097,7 @@ retry_snap:
 				"got EOLDSNAPC, retrying\n",
 				inode, ceph_vinop(inode),
 				pos, (unsigned)count);
-			mutex_lock(&inode->i_mutex);
+			inode_lock(inode);
 			goto retry_snap;
 		}
 		if (written > 0)
@@ -1117,7 +1117,7 @@ retry_snap:
 			iocb->ki_pos = pos + written;
 		if (inode->i_size > old_size)
 			ceph_fscache_update_objectsize(inode);
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 	}
 
 	if (written >= 0) {
@@ -1147,7 +1147,7 @@ retry_snap:
 	goto out_unlocked;
 
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 out_unlocked:
 	ceph_free_cap_flush(prealloc_cf);
 	current->backing_dev_info = NULL;
@@ -1162,7 +1162,7 @@ static loff_t ceph_llseek(struct file *file, loff_t offset, int whence)
 	struct inode *inode = file->f_mapping->host;
 	int ret;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	if (whence == SEEK_END || whence == SEEK_DATA || whence == SEEK_HOLE) {
 		ret = ceph_do_getattr(inode, CEPH_STAT_CAP_SIZE, false);
@@ -1207,7 +1207,7 @@ static loff_t ceph_llseek(struct file *file, loff_t offset, int whence)
 	offset = vfs_setpos(file, offset, inode->i_sb->s_maxbytes);
 
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return offset;
 }
 
@@ -1363,7 +1363,7 @@ static long ceph_fallocate(struct file *file, int mode,
 	if (!prealloc_cf)
 		return -ENOMEM;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	if (ceph_snap(inode) != CEPH_NOSNAP) {
 		ret = -EROFS;
@@ -1418,7 +1418,7 @@ static long ceph_fallocate(struct file *file, int mode,
 
 	ceph_put_cap_refs(ci, got);
 unlock:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	ceph_free_cap_flush(prealloc_cf);
 	return ret;
 }

fs/cifs/cifsfs.c

@@ -640,9 +640,9 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb)
 		while (*s && *s != sep)
 			s++;
 
-		mutex_lock(&dir->i_mutex);
+		inode_lock(dir);
 		child = lookup_one_len(p, dentry, s - p);
-		mutex_unlock(&dir->i_mutex);
+		inode_unlock(dir);
 		dput(dentry);
 		dentry = child;
 	} while (!IS_ERR(dentry));

fs/cifs/file.c

@@ -2267,7 +2267,7 @@ int cifs_strict_fsync(struct file *file, loff_t start, loff_t end,
 	rc = filemap_write_and_wait_range(inode->i_mapping, start, end);
 	if (rc)
 		return rc;
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	xid = get_xid();
 
@@ -2292,7 +2292,7 @@ int cifs_strict_fsync(struct file *file, loff_t start, loff_t end,
 	}
 
 	free_xid(xid);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return rc;
 }
 
@@ -2309,7 +2309,7 @@ int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 	rc = filemap_write_and_wait_range(inode->i_mapping, start, end);
 	if (rc)
 		return rc;
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	xid = get_xid();
 
@@ -2326,7 +2326,7 @@ int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 	}
 
 	free_xid(xid);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return rc;
 }
 
@@ -2672,7 +2672,7 @@ cifs_writev(struct kiocb *iocb, struct iov_iter *from)
 	 * with a brlock that prevents writing.
 	 */
 	down_read(&cinode->lock_sem);
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	rc = generic_write_checks(iocb, from);
 	if (rc <= 0)
@@ -2685,7 +2685,7 @@ cifs_writev(struct kiocb *iocb, struct iov_iter *from)
 	else
 		rc = -EACCES;
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	if (rc > 0) {
 		ssize_t err = generic_write_sync(file, iocb->ki_pos - rc, rc);

fs/coda/dir.c

@@ -427,13 +427,13 @@ static int coda_readdir(struct file *coda_file, struct dir_context *ctx)
 	if (host_file->f_op->iterate) {
 		struct inode *host_inode = file_inode(host_file);
 
-		mutex_lock(&host_inode->i_mutex);
+		inode_lock(host_inode);
 		ret = -ENOENT;
 		if (!IS_DEADDIR(host_inode)) {
 			ret = host_file->f_op->iterate(host_file, ctx);
 			file_accessed(host_file);
 		}
-		mutex_unlock(&host_inode->i_mutex);
+		inode_unlock(host_inode);
 		return ret;
 	}
 	/* Venus: we must read Venus dirents from a file */

fs/coda/file.c

@@ -71,12 +71,12 @@ coda_file_write_iter(struct kiocb *iocb, struct iov_iter *to)
 
 	host_file = cfi->cfi_container;
 	file_start_write(host_file);
-	mutex_lock(&coda_inode->i_mutex);
+	inode_lock(coda_inode);
 	ret = vfs_iter_write(cfi->cfi_container, to, &iocb->ki_pos);
 	coda_inode->i_size = file_inode(host_file)->i_size;
 	coda_inode->i_blocks = (coda_inode->i_size + 511) >> 9;
 	coda_inode->i_mtime = coda_inode->i_ctime = CURRENT_TIME_SEC;
-	mutex_unlock(&coda_inode->i_mutex);
+	inode_unlock(coda_inode);
 	file_end_write(host_file);
 	return ret;
 }
@@ -203,7 +203,7 @@ int coda_fsync(struct file *coda_file, loff_t start, loff_t end, int datasync)
 	err = filemap_write_and_wait_range(coda_inode->i_mapping, start, end);
 	if (err)
 		return err;
-	mutex_lock(&coda_inode->i_mutex);
+	inode_lock(coda_inode);
 
 	cfi = CODA_FTOC(coda_file);
 	BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC);
@@ -212,7 +212,7 @@ int coda_fsync(struct file *coda_file, loff_t start, loff_t end, int datasync)
 	err = vfs_fsync(host_file, datasync);
 	if (!err && !datasync)
 		err = venus_fsync(coda_inode->i_sb, coda_i2f(coda_inode));
-	mutex_unlock(&coda_inode->i_mutex);
+	inode_unlock(coda_inode);
 
 	return err;
 }

fs/configfs/dir.c

@@ -640,13 +640,13 @@ static void detach_groups(struct config_group *group)
 
 		child = sd->s_dentry;
 
-		mutex_lock(&d_inode(child)->i_mutex);
+		inode_lock(d_inode(child));
 
 		configfs_detach_group(sd->s_element);
 		d_inode(child)->i_flags |= S_DEAD;
 		dont_mount(child);
 
-		mutex_unlock(&d_inode(child)->i_mutex);
+		inode_unlock(d_inode(child));
 
 		d_delete(child);
 		dput(child);
@@ -834,11 +834,11 @@ static int configfs_attach_item(struct config_item *parent_item,
 			 * the VFS may already have hit and used them. Thus,
 			 * we must lock them as rmdir() would.
 			 */
-			mutex_lock(&d_inode(dentry)->i_mutex);
+			inode_lock(d_inode(dentry));
 			configfs_remove_dir(item);
 			d_inode(dentry)->i_flags |= S_DEAD;
 			dont_mount(dentry);
-			mutex_unlock(&d_inode(dentry)->i_mutex);
+			inode_unlock(d_inode(dentry));
 			d_delete(dentry);
 		}
 	}
@@ -874,7 +874,7 @@ static int configfs_attach_group(struct config_item *parent_item,
 		 * We must also lock the inode to remove it safely in case of
 		 * error, as rmdir() would.
 		 */
-		mutex_lock_nested(&d_inode(dentry)->i_mutex, I_MUTEX_CHILD);
+		inode_lock_nested(d_inode(dentry), I_MUTEX_CHILD);
 		configfs_adjust_dir_dirent_depth_before_populate(sd);
 		ret = populate_groups(to_config_group(item));
 		if (ret) {
@@ -883,7 +883,7 @@ static int configfs_attach_group(struct config_item *parent_item,
 			dont_mount(dentry);
 		}
 		configfs_adjust_dir_dirent_depth_after_populate(sd);
-		mutex_unlock(&d_inode(dentry)->i_mutex);
+		inode_unlock(d_inode(dentry));
 		if (ret)
 			d_delete(dentry);
 	}
@@ -1135,7 +1135,7 @@ int configfs_depend_item(struct configfs_subsystem *subsys,
 	 * subsystem is really registered, and so we need to lock out
 	 * configfs_[un]register_subsystem().
 	 */
-	mutex_lock(&d_inode(root)->i_mutex);
+	inode_lock(d_inode(root));
 
 	subsys_sd = configfs_find_subsys_dentry(root->d_fsdata, s_item);
 	if (!subsys_sd) {
@@ -1147,7 +1147,7 @@ int configfs_depend_item(struct configfs_subsystem *subsys,
 	ret = configfs_do_depend_item(subsys_sd->s_dentry, target);
 
 out_unlock_fs:
-	mutex_unlock(&d_inode(root)->i_mutex);
+	inode_unlock(d_inode(root));
 
 	/*
 	 * If we succeeded, the fs is pinned via other methods.  If not,
@@ -1230,7 +1230,7 @@ int configfs_depend_item_unlocked(struct configfs_subsystem *caller_subsys,
 		 * additional locking to prevent other subsystem from being
 		 * unregistered
 		 */
-		mutex_lock(&d_inode(root->cg_item.ci_dentry)->i_mutex);
+		inode_lock(d_inode(root->cg_item.ci_dentry));
 
 		/*
 		 * As we are trying to depend item from other subsystem
@@ -1254,7 +1254,7 @@ out_root_unlock:
 		 * We were called from subsystem other than our target so we
 		 * took some locks so now it's time to release them
 		 */
-		mutex_unlock(&d_inode(root->cg_item.ci_dentry)->i_mutex);
+		inode_unlock(d_inode(root->cg_item.ci_dentry));
 
 	return ret;
 }
@@ -1561,7 +1561,7 @@ int configfs_rename_dir(struct config_item * item, const char *new_name)
 	down_write(&configfs_rename_sem);
 	parent = item->parent->dentry;
 
-	mutex_lock(&d_inode(parent)->i_mutex);
+	inode_lock(d_inode(parent));
 
 	new_dentry = lookup_one_len(new_name, parent, strlen(new_name));
 	if (!IS_ERR(new_dentry)) {
@@ -1577,7 +1577,7 @@ int configfs_rename_dir(struct config_item * item, const char *new_name)
 			error = -EEXIST;
 		dput(new_dentry);
 	}
-	mutex_unlock(&d_inode(parent)->i_mutex);
+	inode_unlock(d_inode(parent));
 	up_write(&configfs_rename_sem);
 
 	return error;
@@ -1590,7 +1590,7 @@ static int configfs_dir_open(struct inode *inode, struct file *file)
 	struct configfs_dirent * parent_sd = dentry->d_fsdata;
 	int err;
 
-	mutex_lock(&d_inode(dentry)->i_mutex);
+	inode_lock(d_inode(dentry));
 	/*
 	 * Fake invisibility if dir belongs to a group/default groups hierarchy
 	 * being attached
@@ -1603,7 +1603,7 @@ static int configfs_dir_open(struct inode *inode, struct file *file)
 		else
 			err = 0;
 	}
-	mutex_unlock(&d_inode(dentry)->i_mutex);
+	inode_unlock(d_inode(dentry));
 
 	return err;
 }
@@ -1613,11 +1613,11 @@ static int configfs_dir_close(struct inode *inode, struct file *file)
 	struct dentry * dentry = file->f_path.dentry;
 	struct configfs_dirent * cursor = file->private_data;
 
-	mutex_lock(&d_inode(dentry)->i_mutex);
+	inode_lock(d_inode(dentry));
 	spin_lock(&configfs_dirent_lock);
 	list_del_init(&cursor->s_sibling);
 	spin_unlock(&configfs_dirent_lock);
-	mutex_unlock(&d_inode(dentry)->i_mutex);
+	inode_unlock(d_inode(dentry));
 
 	release_configfs_dirent(cursor);
 
@@ -1698,7 +1698,7 @@ static loff_t configfs_dir_lseek(struct file *file, loff_t offset, int whence)
 {
 	struct dentry * dentry = file->f_path.dentry;
 
-	mutex_lock(&d_inode(dentry)->i_mutex);
+	inode_lock(d_inode(dentry));
 	switch (whence) {
 		case 1:
 			offset += file->f_pos;
@@ -1706,7 +1706,7 @@ static loff_t configfs_dir_lseek(struct file *file, loff_t offset, int whence)
 			if (offset >= 0)
 				break;
 		default:
-			mutex_unlock(&d_inode(dentry)->i_mutex);
+			inode_unlock(d_inode(dentry));
 			return -EINVAL;
 	}
 	if (offset != file->f_pos) {
@@ -1732,7 +1732,7 @@ static loff_t configfs_dir_lseek(struct file *file, loff_t offset, int whence)
 			spin_unlock(&configfs_dirent_lock);
 		}
 	}
-	mutex_unlock(&d_inode(dentry)->i_mutex);
+	inode_unlock(d_inode(dentry));
 	return offset;
 }
 
@@ -1767,14 +1767,14 @@ int configfs_register_group(struct config_group *parent_group,
 
 	parent = parent_group->cg_item.ci_dentry;
 
-	mutex_lock_nested(&d_inode(parent)->i_mutex, I_MUTEX_PARENT);
+	inode_lock_nested(d_inode(parent), I_MUTEX_PARENT);
 	ret = create_default_group(parent_group, group);
 	if (!ret) {
 		spin_lock(&configfs_dirent_lock);
 		configfs_dir_set_ready(group->cg_item.ci_dentry->d_fsdata);
 		spin_unlock(&configfs_dirent_lock);
 	}
-	mutex_unlock(&d_inode(parent)->i_mutex);
+	inode_unlock(d_inode(parent));
 	return ret;
 }
 EXPORT_SYMBOL(configfs_register_group);
@@ -1791,7 +1791,7 @@ void configfs_unregister_group(struct config_group *group)
 	struct dentry *dentry = group->cg_item.ci_dentry;
 	struct dentry *parent = group->cg_item.ci_parent->ci_dentry;
 
-	mutex_lock_nested(&d_inode(parent)->i_mutex, I_MUTEX_PARENT);
+	inode_lock_nested(d_inode(parent), I_MUTEX_PARENT);
 	spin_lock(&configfs_dirent_lock);
 	configfs_detach_prep(dentry, NULL);
 	spin_unlock(&configfs_dirent_lock);
@@ -1800,7 +1800,7 @@ void configfs_unregister_group(struct config_group *group)
 	d_inode(dentry)->i_flags |= S_DEAD;
 	dont_mount(dentry);
 	d_delete(dentry);
-	mutex_unlock(&d_inode(parent)->i_mutex);
+	inode_unlock(d_inode(parent));
 
 	dput(dentry);
 
@@ -1872,7 +1872,7 @@ int configfs_register_subsystem(struct configfs_subsystem *subsys)
 	sd = root->d_fsdata;
 	link_group(to_config_group(sd->s_element), group);
 
-	mutex_lock_nested(&d_inode(root)->i_mutex, I_MUTEX_PARENT);
+	inode_lock_nested(d_inode(root), I_MUTEX_PARENT);
 
 	err = -ENOMEM;
 	dentry = d_alloc_name(root, group->cg_item.ci_name);
@@ -1892,7 +1892,7 @@ int configfs_register_subsystem(struct configfs_subsystem *subsys)
 		}
 	}
 
-	mutex_unlock(&d_inode(root)->i_mutex);
+	inode_unlock(d_inode(root));
 
 	if (err) {
 		unlink_group(group);
@@ -1913,9 +1913,9 @@ void configfs_unregister_subsystem(struct configfs_subsystem *subsys)
 		return;
 	}
 
-	mutex_lock_nested(&d_inode(root)->i_mutex,
+	inode_lock_nested(d_inode(root),
 			  I_MUTEX_PARENT);
-	mutex_lock_nested(&d_inode(dentry)->i_mutex, I_MUTEX_CHILD);
+	inode_lock_nested(d_inode(dentry), I_MUTEX_CHILD);
 	mutex_lock(&configfs_symlink_mutex);
 	spin_lock(&configfs_dirent_lock);
 	if (configfs_detach_prep(dentry, NULL)) {
@@ -1926,11 +1926,11 @@ void configfs_unregister_subsystem(struct configfs_subsystem *subsys)
 	configfs_detach_group(&group->cg_item);
 	d_inode(dentry)->i_flags |= S_DEAD;
 	dont_mount(dentry);
-	mutex_unlock(&d_inode(dentry)->i_mutex);
+	inode_unlock(d_inode(dentry));
 
 	d_delete(dentry);
 
-	mutex_unlock(&d_inode(root)->i_mutex);
+	inode_unlock(d_inode(root));
 
 	dput(dentry);
 

fs/configfs/file.c

@@ -540,10 +540,10 @@ int configfs_create_file(struct config_item * item, const struct configfs_attrib
 	umode_t mode = (attr->ca_mode & S_IALLUGO) | S_IFREG;
 	int error = 0;
 
-	mutex_lock_nested(&d_inode(dir)->i_mutex, I_MUTEX_NORMAL);
+	inode_lock_nested(d_inode(dir), I_MUTEX_NORMAL);
 	error = configfs_make_dirent(parent_sd, NULL, (void *) attr, mode,
 				     CONFIGFS_ITEM_ATTR);
-	mutex_unlock(&d_inode(dir)->i_mutex);
+	inode_unlock(d_inode(dir));
 
 	return error;
 }
@@ -562,10 +562,10 @@ int configfs_create_bin_file(struct config_item *item,
 	umode_t mode = (bin_attr->cb_attr.ca_mode & S_IALLUGO) | S_IFREG;
 	int error = 0;
 
-	mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_NORMAL);
+	inode_lock_nested(dir->d_inode, I_MUTEX_NORMAL);
 	error = configfs_make_dirent(parent_sd, NULL, (void *) bin_attr, mode,
 				     CONFIGFS_ITEM_BIN_ATTR);
-	mutex_unlock(&dir->d_inode->i_mutex);
+	inode_unlock(dir->d_inode);
 
 	return error;
 }

fs/configfs/inode.c

@@ -255,7 +255,7 @@ void configfs_hash_and_remove(struct dentry * dir, const char * name)
 		/* no inode means this hasn't been made visible yet */
 		return;
 
-	mutex_lock(&d_inode(dir)->i_mutex);
+	inode_lock(d_inode(dir));
 	list_for_each_entry(sd, &parent_sd->s_children, s_sibling) {
 		if (!sd->s_element)
 			continue;
@@ -268,5 +268,5 @@ void configfs_hash_and_remove(struct dentry * dir, const char * name)
 			break;
 		}
 	}
-	mutex_unlock(&d_inode(dir)->i_mutex);
+	inode_unlock(d_inode(dir));
 }

fs/dax.c

@@ -248,10 +248,10 @@ ssize_t dax_do_io(struct kiocb *iocb, struct inode *inode,
 
 	if ((flags & DIO_LOCKING) && iov_iter_rw(iter) == READ) {
 		struct address_space *mapping = inode->i_mapping;
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		retval = filemap_write_and_wait_range(mapping, pos, end - 1);
 		if (retval) {
-			mutex_unlock(&inode->i_mutex);
+			inode_unlock(inode);
 			goto out;
 		}
 	}
@@ -263,7 +263,7 @@ ssize_t dax_do_io(struct kiocb *iocb, struct inode *inode,
 	retval = dax_io(inode, iter, pos, end, get_block, &bh);
 
 	if ((flags & DIO_LOCKING) && iov_iter_rw(iter) == READ)
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 
 	if ((retval > 0) && end_io)
 		end_io(iocb, pos, retval, bh.b_private);

fs/dcache.c

@@ -2462,7 +2462,7 @@ EXPORT_SYMBOL(d_rehash);
  */
 void dentry_update_name_case(struct dentry *dentry, struct qstr *name)
 {
-	BUG_ON(!mutex_is_locked(&dentry->d_parent->d_inode->i_mutex));
+	BUG_ON(!inode_is_locked(dentry->d_parent->d_inode));
 	BUG_ON(dentry->d_name.len != name->len); /* d_lookup gives this */
 
 	spin_lock(&dentry->d_lock);
@@ -2738,7 +2738,7 @@ static int __d_unalias(struct inode *inode,
 	if (!mutex_trylock(&dentry->d_sb->s_vfs_rename_mutex))
 		goto out_err;
 	m1 = &dentry->d_sb->s_vfs_rename_mutex;
-	if (!mutex_trylock(&alias->d_parent->d_inode->i_mutex))
+	if (!inode_trylock(alias->d_parent->d_inode))
 		goto out_err;
 	m2 = &alias->d_parent->d_inode->i_mutex;
 out_unalias:

fs/debugfs/inode.c

@@ -265,7 +265,7 @@ static struct dentry *start_creating(const char *name, struct dentry *parent)
 	if (!parent)
 		parent = debugfs_mount->mnt_root;
 
-	mutex_lock(&d_inode(parent)->i_mutex);
+	inode_lock(d_inode(parent));
 	dentry = lookup_one_len(name, parent, strlen(name));
 	if (!IS_ERR(dentry) && d_really_is_positive(dentry)) {
 		dput(dentry);
@@ -273,7 +273,7 @@ static struct dentry *start_creating(const char *name, struct dentry *parent)
 	}
 
 	if (IS_ERR(dentry)) {
-		mutex_unlock(&d_inode(parent)->i_mutex);
+		inode_unlock(d_inode(parent));
 		simple_release_fs(&debugfs_mount, &debugfs_mount_count);
 	}
 
@@ -282,7 +282,7 @@ static struct dentry *start_creating(const char *name, struct dentry *parent)
 
 static struct dentry *failed_creating(struct dentry *dentry)
 {
-	mutex_unlock(&d_inode(dentry->d_parent)->i_mutex);
+	inode_unlock(d_inode(dentry->d_parent));
 	dput(dentry);
 	simple_release_fs(&debugfs_mount, &debugfs_mount_count);
 	return NULL;
@@ -290,7 +290,7 @@ static struct dentry *failed_creating(struct dentry *dentry)
 
 static struct dentry *end_creating(struct dentry *dentry)
 {
-	mutex_unlock(&d_inode(dentry->d_parent)->i_mutex);
+	inode_unlock(d_inode(dentry->d_parent));
 	return dentry;
 }
 
@@ -560,9 +560,9 @@ void debugfs_remove(struct dentry *dentry)
 	if (!parent || d_really_is_negative(parent))
 		return;
 
-	mutex_lock(&d_inode(parent)->i_mutex);
+	inode_lock(d_inode(parent));
 	ret = __debugfs_remove(dentry, parent);
-	mutex_unlock(&d_inode(parent)->i_mutex);
+	inode_unlock(d_inode(parent));
 	if (!ret)
 		simple_release_fs(&debugfs_mount, &debugfs_mount_count);
 }
@@ -594,7 +594,7 @@ void debugfs_remove_recursive(struct dentry *dentry)
 
 	parent = dentry;
  down:
-	mutex_lock(&d_inode(parent)->i_mutex);
+	inode_lock(d_inode(parent));
  loop:
 	/*
 	 * The parent->d_subdirs is protected by the d_lock. Outside that
@@ -609,7 +609,7 @@ void debugfs_remove_recursive(struct dentry *dentry)
 		/* perhaps simple_empty(child) makes more sense */
 		if (!list_empty(&child->d_subdirs)) {
 			spin_unlock(&parent->d_lock);
-			mutex_unlock(&d_inode(parent)->i_mutex);
+			inode_unlock(d_inode(parent));
 			parent = child;
 			goto down;
 		}
@@ -630,10 +630,10 @@ void debugfs_remove_recursive(struct dentry *dentry)
 	}
 	spin_unlock(&parent->d_lock);
 
-	mutex_unlock(&d_inode(parent)->i_mutex);
+	inode_unlock(d_inode(parent));
 	child = parent;
 	parent = parent->d_parent;
-	mutex_lock(&d_inode(parent)->i_mutex);
+	inode_lock(d_inode(parent));
 
 	if (child != dentry)
 		/* go up */
@@ -641,7 +641,7 @@ void debugfs_remove_recursive(struct dentry *dentry)
 
 	if (!__debugfs_remove(child, parent))
 		simple_release_fs(&debugfs_mount, &debugfs_mount_count);
-	mutex_unlock(&d_inode(parent)->i_mutex);
+	inode_unlock(d_inode(parent));
 }
 EXPORT_SYMBOL_GPL(debugfs_remove_recursive);
 

fs/devpts/inode.c

@@ -255,7 +255,7 @@ static int mknod_ptmx(struct super_block *sb)
 	if (!uid_valid(root_uid) || !gid_valid(root_gid))
 		return -EINVAL;
 
-	mutex_lock(&d_inode(root)->i_mutex);
+	inode_lock(d_inode(root));
 
 	/* If we have already created ptmx node, return */
 	if (fsi->ptmx_dentry) {
@@ -292,7 +292,7 @@ static int mknod_ptmx(struct super_block *sb)
 	fsi->ptmx_dentry = dentry;
 	rc = 0;
 out:
-	mutex_unlock(&d_inode(root)->i_mutex);
+	inode_unlock(d_inode(root));
 	return rc;
 }
 
@@ -615,7 +615,7 @@ struct inode *devpts_pty_new(struct inode *ptmx_inode, dev_t device, int index,
 
 	sprintf(s, "%d", index);
 
-	mutex_lock(&d_inode(root)->i_mutex);
+	inode_lock(d_inode(root));
 
 	dentry = d_alloc_name(root, s);
 	if (dentry) {
@@ -626,7 +626,7 @@ struct inode *devpts_pty_new(struct inode *ptmx_inode, dev_t device, int index,
 		inode = ERR_PTR(-ENOMEM);
 	}
 
-	mutex_unlock(&d_inode(root)->i_mutex);
+	inode_unlock(d_inode(root));
 
 	return inode;
 }
@@ -671,7 +671,7 @@ void devpts_pty_kill(struct inode *inode)
 
 	BUG_ON(inode->i_rdev == MKDEV(TTYAUX_MAJOR, PTMX_MINOR));
 
-	mutex_lock(&d_inode(root)->i_mutex);
+	inode_lock(d_inode(root));
 
 	dentry = d_find_alias(inode);
 
@@ -680,7 +680,7 @@ void devpts_pty_kill(struct inode *inode)
 	dput(dentry);	/* d_alloc_name() in devpts_pty_new() */
 	dput(dentry);		/* d_find_alias above */
 
-	mutex_unlock(&d_inode(root)->i_mutex);
+	inode_unlock(d_inode(root));
 }
 
 static int __init init_devpts_fs(void)

fs/direct-io.c

@@ -1157,12 +1157,12 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode,
 					iocb->ki_filp->f_mapping;
 
 			/* will be released by direct_io_worker */
-			mutex_lock(&inode->i_mutex);
+			inode_lock(inode);
 
 			retval = filemap_write_and_wait_range(mapping, offset,
 							      end - 1);
 			if (retval) {
-				mutex_unlock(&inode->i_mutex);
+				inode_unlock(inode);
 				kmem_cache_free(dio_cache, dio);
 				goto out;
 			}
@@ -1173,7 +1173,7 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode,
 	dio->i_size = i_size_read(inode);
 	if (iov_iter_rw(iter) == READ && offset >= dio->i_size) {
 		if (dio->flags & DIO_LOCKING)
-			mutex_unlock(&inode->i_mutex);
+			inode_unlock(inode);
 		kmem_cache_free(dio_cache, dio);
 		retval = 0;
 		goto out;
@@ -1295,7 +1295,7 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode,
 	 * of protecting us from looking up uninitialized blocks.
 	 */
 	if (iov_iter_rw(iter) == READ && (dio->flags & DIO_LOCKING))
-		mutex_unlock(&dio->inode->i_mutex);
+		inode_unlock(dio->inode);
 
 	/*
 	 * The only time we want to leave bios in flight is when a successful

fs/ecryptfs/inode.c

@@ -41,13 +41,13 @@ static struct dentry *lock_parent(struct dentry *dentry)
 	struct dentry *dir;
 
 	dir = dget_parent(dentry);
-	mutex_lock_nested(&(d_inode(dir)->i_mutex), I_MUTEX_PARENT);
+	inode_lock_nested(d_inode(dir), I_MUTEX_PARENT);
 	return dir;
 }
 
 static void unlock_dir(struct dentry *dir)
 {
-	mutex_unlock(&d_inode(dir)->i_mutex);
+	inode_unlock(d_inode(dir));
 	dput(dir);
 }
 
@@ -397,11 +397,11 @@ static struct dentry *ecryptfs_lookup(struct inode *ecryptfs_dir_inode,
 	int rc = 0;
 
 	lower_dir_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry->d_parent);
-	mutex_lock(&d_inode(lower_dir_dentry)->i_mutex);
+	inode_lock(d_inode(lower_dir_dentry));
 	lower_dentry = lookup_one_len(ecryptfs_dentry->d_name.name,
 				      lower_dir_dentry,
 				      ecryptfs_dentry->d_name.len);
-	mutex_unlock(&d_inode(lower_dir_dentry)->i_mutex);
+	inode_unlock(d_inode(lower_dir_dentry));
 	if (IS_ERR(lower_dentry)) {
 		rc = PTR_ERR(lower_dentry);
 		ecryptfs_printk(KERN_DEBUG, "%s: lookup_one_len() returned "
@@ -426,11 +426,11 @@ static struct dentry *ecryptfs_lookup(struct inode *ecryptfs_dir_inode,
 		       "filename; rc = [%d]\n", __func__, rc);
 		goto out;
 	}
-	mutex_lock(&d_inode(lower_dir_dentry)->i_mutex);
+	inode_lock(d_inode(lower_dir_dentry));
 	lower_dentry = lookup_one_len(encrypted_and_encoded_name,
 				      lower_dir_dentry,
 				      encrypted_and_encoded_name_size);
-	mutex_unlock(&d_inode(lower_dir_dentry)->i_mutex);
+	inode_unlock(d_inode(lower_dir_dentry));
 	if (IS_ERR(lower_dentry)) {
 		rc = PTR_ERR(lower_dentry);
 		ecryptfs_printk(KERN_DEBUG, "%s: lookup_one_len() returned "
@@ -869,9 +869,9 @@ int ecryptfs_truncate(struct dentry *dentry, loff_t new_length)
 	if (!rc && lower_ia.ia_valid & ATTR_SIZE) {
 		struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
 
-		mutex_lock(&d_inode(lower_dentry)->i_mutex);
+		inode_lock(d_inode(lower_dentry));
 		rc = notify_change(lower_dentry, &lower_ia, NULL);
-		mutex_unlock(&d_inode(lower_dentry)->i_mutex);
+		inode_unlock(d_inode(lower_dentry));
 	}
 	return rc;
 }
@@ -970,9 +970,9 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia)
 	if (lower_ia.ia_valid & (ATTR_KILL_SUID | ATTR_KILL_SGID))
 		lower_ia.ia_valid &= ~ATTR_MODE;
 
-	mutex_lock(&d_inode(lower_dentry)->i_mutex);
+	inode_lock(d_inode(lower_dentry));
 	rc = notify_change(lower_dentry, &lower_ia, NULL);
-	mutex_unlock(&d_inode(lower_dentry)->i_mutex);
+	inode_unlock(d_inode(lower_dentry));
 out:
 	fsstack_copy_attr_all(inode, lower_inode);
 	return rc;
@@ -1048,10 +1048,10 @@ ecryptfs_getxattr_lower(struct dentry *lower_dentry, const char *name,
 		rc = -EOPNOTSUPP;
 		goto out;
 	}
-	mutex_lock(&d_inode(lower_dentry)->i_mutex);
+	inode_lock(d_inode(lower_dentry));
 	rc = d_inode(lower_dentry)->i_op->getxattr(lower_dentry, name, value,
 						   size);
-	mutex_unlock(&d_inode(lower_dentry)->i_mutex);
+	inode_unlock(d_inode(lower_dentry));
 out:
 	return rc;
 }
@@ -1075,9 +1075,9 @@ ecryptfs_listxattr(struct dentry *dentry, char *list, size_t size)
 		rc = -EOPNOTSUPP;
 		goto out;
 	}
-	mutex_lock(&d_inode(lower_dentry)->i_mutex);
+	inode_lock(d_inode(lower_dentry));
 	rc = d_inode(lower_dentry)->i_op->listxattr(lower_dentry, list, size);
-	mutex_unlock(&d_inode(lower_dentry)->i_mutex);
+	inode_unlock(d_inode(lower_dentry));
 out:
 	return rc;
 }
@@ -1092,9 +1092,9 @@ static int ecryptfs_removexattr(struct dentry *dentry, const char *name)
 		rc = -EOPNOTSUPP;
 		goto out;
 	}
-	mutex_lock(&d_inode(lower_dentry)->i_mutex);
+	inode_lock(d_inode(lower_dentry));
 	rc = d_inode(lower_dentry)->i_op->removexattr(lower_dentry, name);
-	mutex_unlock(&d_inode(lower_dentry)->i_mutex);
+	inode_unlock(d_inode(lower_dentry));
 out:
 	return rc;
 }

fs/ecryptfs/mmap.c

@@ -436,7 +436,7 @@ static int ecryptfs_write_inode_size_to_xattr(struct inode *ecryptfs_inode)
 		rc = -ENOMEM;
 		goto out;
 	}
-	mutex_lock(&lower_inode->i_mutex);
+	inode_lock(lower_inode);
 	size = lower_inode->i_op->getxattr(lower_dentry, ECRYPTFS_XATTR_NAME,
 					   xattr_virt, PAGE_CACHE_SIZE);
 	if (size < 0)
@@ -444,7 +444,7 @@ static int ecryptfs_write_inode_size_to_xattr(struct inode *ecryptfs_inode)
 	put_unaligned_be64(i_size_read(ecryptfs_inode), xattr_virt);
 	rc = lower_inode->i_op->setxattr(lower_dentry, ECRYPTFS_XATTR_NAME,
 					 xattr_virt, size, 0);
-	mutex_unlock(&lower_inode->i_mutex);
+	inode_unlock(lower_inode);
 	if (rc)
 		printk(KERN_ERR "Error whilst attempting to write inode size "
 		       "to lower file xattr; rc = [%d]\n", rc);

fs/efivarfs/file.c

@@ -50,9 +50,9 @@ static ssize_t efivarfs_file_write(struct file *file,
 		d_delete(file->f_path.dentry);
 		dput(file->f_path.dentry);
 	} else {
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		i_size_write(inode, datasize + sizeof(attributes));
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 	}
 
 	bytes = count;

fs/efivarfs/super.c

@@ -160,10 +160,10 @@ static int efivarfs_callback(efi_char16_t *name16, efi_guid_t vendor,
 	efivar_entry_size(entry, &size);
 	efivar_entry_add(entry, &efivarfs_list);
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	inode->i_private = entry;
 	i_size_write(inode, size + sizeof(entry->var.Attributes));
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	d_add(dentry, inode);
 
 	return 0;

fs/exec.c

@@ -1307,13 +1307,13 @@ static void bprm_fill_uid(struct linux_binprm *bprm)
 		return;
 
 	/* Be careful if suid/sgid is set */
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	/* reload atomically mode/uid/gid now that lock held */
 	mode = inode->i_mode;
 	uid = inode->i_uid;
 	gid = inode->i_gid;
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	/* We ignore suid/sgid if there are no mappings for them in the ns */
 	if (!kuid_has_mapping(bprm->cred->user_ns, uid) ||

fs/exofs/file.c

@@ -52,9 +52,9 @@ static int exofs_file_fsync(struct file *filp, loff_t start, loff_t end,
 	if (ret)
 		return ret;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	ret = sync_inode_metadata(filp->f_mapping->host, 1);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return ret;
 }
 

fs/exportfs/expfs.c

@@ -124,10 +124,10 @@ static struct dentry *reconnect_one(struct vfsmount *mnt,
 	int err;
 
 	parent = ERR_PTR(-EACCES);
-	mutex_lock(&dentry->d_inode->i_mutex);
+	inode_lock(dentry->d_inode);
 	if (mnt->mnt_sb->s_export_op->get_parent)
 		parent = mnt->mnt_sb->s_export_op->get_parent(dentry);
-	mutex_unlock(&dentry->d_inode->i_mutex);
+	inode_unlock(dentry->d_inode);
 
 	if (IS_ERR(parent)) {
 		dprintk("%s: get_parent of %ld failed, err %d\n",
@@ -143,9 +143,9 @@ static struct dentry *reconnect_one(struct vfsmount *mnt,
 	if (err)
 		goto out_err;
 	dprintk("%s: found name: %s\n", __func__, nbuf);
-	mutex_lock(&parent->d_inode->i_mutex);
+	inode_lock(parent->d_inode);
 	tmp = lookup_one_len(nbuf, parent, strlen(nbuf));
-	mutex_unlock(&parent->d_inode->i_mutex);
+	inode_unlock(parent->d_inode);
 	if (IS_ERR(tmp)) {
 		dprintk("%s: lookup failed: %d\n", __func__, PTR_ERR(tmp));
 		goto out_err;
@@ -503,10 +503,10 @@ struct dentry *exportfs_decode_fh(struct vfsmount *mnt, struct fid *fid,
 		 */
 		err = exportfs_get_name(mnt, target_dir, nbuf, result);
 		if (!err) {
-			mutex_lock(&target_dir->d_inode->i_mutex);
+			inode_lock(target_dir->d_inode);
 			nresult = lookup_one_len(nbuf, target_dir,
 						 strlen(nbuf));
-			mutex_unlock(&target_dir->d_inode->i_mutex);
+			inode_unlock(target_dir->d_inode);
 			if (!IS_ERR(nresult)) {
 				if (nresult->d_inode) {
 					dput(result);

fs/ext2/ioctl.c

@@ -51,10 +51,10 @@ long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 
 		flags = ext2_mask_flags(inode->i_mode, flags);
 
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		/* Is it quota file? Do not allow user to mess with it */
 		if (IS_NOQUOTA(inode)) {
-			mutex_unlock(&inode->i_mutex);
+			inode_unlock(inode);
 			ret = -EPERM;
 			goto setflags_out;
 		}
@@ -68,7 +68,7 @@ long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		 */
 		if ((flags ^ oldflags) & (EXT2_APPEND_FL | EXT2_IMMUTABLE_FL)) {
 			if (!capable(CAP_LINUX_IMMUTABLE)) {
-				mutex_unlock(&inode->i_mutex);
+				inode_unlock(inode);
 				ret = -EPERM;
 				goto setflags_out;
 			}
@@ -80,7 +80,7 @@ long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 
 		ext2_set_inode_flags(inode);
 		inode->i_ctime = CURRENT_TIME_SEC;
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 
 		mark_inode_dirty(inode);
 setflags_out:
@@ -102,10 +102,10 @@ setflags_out:
 			goto setversion_out;
 		}
 
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		inode->i_ctime = CURRENT_TIME_SEC;
 		inode->i_generation = generation;
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 
 		mark_inode_dirty(inode);
 setversion_out:

fs/ext4/ext4.h

@@ -2896,7 +2896,7 @@ do {								\
 static inline void ext4_update_i_disksize(struct inode *inode, loff_t newsize)
 {
 	WARN_ON_ONCE(S_ISREG(inode->i_mode) &&
-		     !mutex_is_locked(&inode->i_mutex));
+		     !inode_is_locked(inode));
 	down_write(&EXT4_I(inode)->i_data_sem);
 	if (newsize > EXT4_I(inode)->i_disksize)
 		EXT4_I(inode)->i_disksize = newsize;

fs/ext4/extents.c

@@ -4799,7 +4799,7 @@ static long ext4_zero_range(struct file *file, loff_t offset,
 	else
 		max_blocks -= lblk;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	/*
 	 * Indirect files do not support unwritten extnets
@@ -4902,7 +4902,7 @@ static long ext4_zero_range(struct file *file, loff_t offset,
 out_dio:
 	ext4_inode_resume_unlocked_dio(inode);
 out_mutex:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return ret;
 }
 
@@ -4973,7 +4973,7 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
 	if (mode & FALLOC_FL_KEEP_SIZE)
 		flags |= EXT4_GET_BLOCKS_KEEP_SIZE;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	/*
 	 * We only support preallocation for extent-based files only
@@ -5006,7 +5006,7 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
 						EXT4_I(inode)->i_sync_tid);
 	}
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	trace_ext4_fallocate_exit(inode, offset, max_blocks, ret);
 	return ret;
 }
@@ -5492,7 +5492,7 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
 			return ret;
 	}
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	/*
 	 * There is no need to overlap collapse range with EOF, in which case
 	 * it is effectively a truncate operation
@@ -5587,7 +5587,7 @@ out_mmap:
 	up_write(&EXT4_I(inode)->i_mmap_sem);
 	ext4_inode_resume_unlocked_dio(inode);
 out_mutex:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return ret;
 }
 
@@ -5638,7 +5638,7 @@ int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len)
 			return ret;
 	}
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	/* Currently just for extent based files */
 	if (!ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) {
 		ret = -EOPNOTSUPP;
@@ -5757,7 +5757,7 @@ out_mmap:
 	up_write(&EXT4_I(inode)->i_mmap_sem);
 	ext4_inode_resume_unlocked_dio(inode);
 out_mutex:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return ret;
 }
 
@@ -5792,8 +5792,8 @@ ext4_swap_extents(handle_t *handle, struct inode *inode1,
 
 	BUG_ON(!rwsem_is_locked(&EXT4_I(inode1)->i_data_sem));
 	BUG_ON(!rwsem_is_locked(&EXT4_I(inode2)->i_data_sem));
-	BUG_ON(!mutex_is_locked(&inode1->i_mutex));
-	BUG_ON(!mutex_is_locked(&inode2->i_mutex));
+	BUG_ON(!inode_is_locked(inode1));
+	BUG_ON(!inode_is_locked(inode2));
 
 	*erp = ext4_es_remove_extent(inode1, lblk1, count);
 	if (unlikely(*erp))

fs/ext4/file.c

@@ -113,7 +113,7 @@ ext4_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
 		ext4_unwritten_wait(inode);
 	}
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	ret = generic_write_checks(iocb, from);
 	if (ret <= 0)
 		goto out;
@@ -169,7 +169,7 @@ ext4_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
 	}
 
 	ret = __generic_file_write_iter(iocb, from);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	if (ret > 0) {
 		ssize_t err;
@@ -186,7 +186,7 @@ ext4_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
 	return ret;
 
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	if (aio_mutex)
 		mutex_unlock(aio_mutex);
 	return ret;
@@ -561,11 +561,11 @@ static loff_t ext4_seek_data(struct file *file, loff_t offset, loff_t maxsize)
 	int blkbits;
 	int ret = 0;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	isize = i_size_read(inode);
 	if (offset >= isize) {
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 		return -ENXIO;
 	}
 
@@ -613,7 +613,7 @@ static loff_t ext4_seek_data(struct file *file, loff_t offset, loff_t maxsize)
 		dataoff = (loff_t)last << blkbits;
 	} while (last <= end);
 
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	if (dataoff > isize)
 		return -ENXIO;
@@ -634,11 +634,11 @@ static loff_t ext4_seek_hole(struct file *file, loff_t offset, loff_t maxsize)
 	int blkbits;
 	int ret = 0;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	isize = i_size_read(inode);
 	if (offset >= isize) {
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 		return -ENXIO;
 	}
 
@@ -689,7 +689,7 @@ static loff_t ext4_seek_hole(struct file *file, loff_t offset, loff_t maxsize)
 		break;
 	} while (last <= end);
 
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	if (holeoff > isize)
 		holeoff = isize;

fs/ext4/inode.c

@@ -3231,7 +3231,7 @@ static ssize_t ext4_ext_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
 	overwrite = *((int *)iocb->private);
 
 	if (overwrite)
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 
 	/*
 	 * We could direct write to holes and fallocate.
@@ -3331,7 +3331,7 @@ retake_lock:
 		inode_dio_end(inode);
 	/* take i_mutex locking again if we do a ovewrite dio */
 	if (overwrite)
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 
 	return ret;
 }
@@ -3653,7 +3653,7 @@ int ext4_update_disksize_before_punch(struct inode *inode, loff_t offset,
 	handle_t *handle;
 	loff_t size = i_size_read(inode);
 
-	WARN_ON(!mutex_is_locked(&inode->i_mutex));
+	WARN_ON(!inode_is_locked(inode));
 	if (offset > size || offset + len < size)
 		return 0;
 
@@ -3707,7 +3707,7 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
 			return ret;
 	}
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	/* No need to punch hole beyond i_size */
 	if (offset >= inode->i_size)
@@ -3809,7 +3809,7 @@ out_dio:
 	up_write(&EXT4_I(inode)->i_mmap_sem);
 	ext4_inode_resume_unlocked_dio(inode);
 out_mutex:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return ret;
 }
 
@@ -3879,7 +3879,7 @@ void ext4_truncate(struct inode *inode)
 	 * have i_mutex locked because it's not necessary.
 	 */
 	if (!(inode->i_state & (I_NEW|I_FREEING)))
-		WARN_ON(!mutex_is_locked(&inode->i_mutex));
+		WARN_ON(!inode_is_locked(inode));
 	trace_ext4_truncate_enter(inode);
 
 	if (!ext4_can_truncate(inode))

fs/ext4/ioctl.c

@@ -330,7 +330,7 @@ static int ext4_ioctl_setproject(struct file *filp, __u32 projid)
 		return err;
 
 	err = -EPERM;
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	/* Is it quota file? Do not allow user to mess with it */
 	if (IS_NOQUOTA(inode))
 		goto out_unlock;
@@ -381,7 +381,7 @@ out_dirty:
 out_stop:
 	ext4_journal_stop(handle);
 out_unlock:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	mnt_drop_write_file(filp);
 	return err;
 }
@@ -464,9 +464,9 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 
 		flags = ext4_mask_flags(inode->i_mode, flags);
 
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		err = ext4_ioctl_setflags(inode, flags);
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 		mnt_drop_write_file(filp);
 		return err;
 	}
@@ -497,7 +497,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 			goto setversion_out;
 		}
 
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		handle = ext4_journal_start(inode, EXT4_HT_INODE, 1);
 		if (IS_ERR(handle)) {
 			err = PTR_ERR(handle);
@@ -512,7 +512,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		ext4_journal_stop(handle);
 
 unlock_out:
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 setversion_out:
 		mnt_drop_write_file(filp);
 		return err;
@@ -658,9 +658,9 @@ group_add_out:
 		 * ext4_ext_swap_inode_data before we switch the
 		 * inode format to prevent read.
 		 */
-		mutex_lock(&(inode->i_mutex));
+		inode_lock((inode));
 		err = ext4_ext_migrate(inode);
-		mutex_unlock(&(inode->i_mutex));
+		inode_unlock((inode));
 		mnt_drop_write_file(filp);
 		return err;
 	}
@@ -876,11 +876,11 @@ encryption_policy_out:
 		flags = ext4_xflags_to_iflags(fa.fsx_xflags);
 		flags = ext4_mask_flags(inode->i_mode, flags);
 
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		flags = (ei->i_flags & ~EXT4_FL_XFLAG_VISIBLE) |
 			 (flags & EXT4_FL_XFLAG_VISIBLE);
 		err = ext4_ioctl_setflags(inode, flags);
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 		mnt_drop_write_file(filp);
 		if (err)
 			return err;

fs/ext4/namei.c

@@ -2753,7 +2753,7 @@ int ext4_orphan_add(handle_t *handle, struct inode *inode)
 		return 0;
 
 	WARN_ON_ONCE(!(inode->i_state & (I_NEW | I_FREEING)) &&
-		     !mutex_is_locked(&inode->i_mutex));
+		     !inode_is_locked(inode));
 	/*
 	 * Exit early if inode already is on orphan list. This is a big speedup
 	 * since we don't have to contend on the global s_orphan_lock.
@@ -2835,7 +2835,7 @@ int ext4_orphan_del(handle_t *handle, struct inode *inode)
 		return 0;
 
 	WARN_ON_ONCE(!(inode->i_state & (I_NEW | I_FREEING)) &&
-		     !mutex_is_locked(&inode->i_mutex));
+		     !inode_is_locked(inode));
 	/* Do this quick check before taking global s_orphan_lock. */
 	if (list_empty(&ei->i_orphan))
 		return 0;

fs/ext4/super.c

@@ -2286,10 +2286,10 @@ static void ext4_orphan_cleanup(struct super_block *sb,
 					__func__, inode->i_ino, inode->i_size);
 			jbd_debug(2, "truncating inode %lu to %lld bytes\n",
 				  inode->i_ino, inode->i_size);
-			mutex_lock(&inode->i_mutex);
+			inode_lock(inode);
 			truncate_inode_pages(inode->i_mapping, inode->i_size);
 			ext4_truncate(inode);
-			mutex_unlock(&inode->i_mutex);
+			inode_unlock(inode);
 			nr_truncates++;
 		} else {
 			if (test_opt(sb, DEBUG))

fs/f2fs/data.c

@@ -794,7 +794,7 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 			return ret;
 	}
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	isize = i_size_read(inode);
 	if (start >= isize)
@@ -860,7 +860,7 @@ out:
 	if (ret == 1)
 		ret = 0;
 
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return ret;
 }
 

fs/f2fs/file.c

@@ -333,7 +333,7 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence)
 	loff_t isize;
 	int err = 0;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	isize = i_size_read(inode);
 	if (offset >= isize)
@@ -388,10 +388,10 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence)
 found:
 	if (whence == SEEK_HOLE && data_ofs > isize)
 		data_ofs = isize;
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return vfs_setpos(file, data_ofs, maxbytes);
 fail:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return -ENXIO;
 }
 
@@ -1219,7 +1219,7 @@ static long f2fs_fallocate(struct file *file, int mode,
 			FALLOC_FL_INSERT_RANGE))
 		return -EOPNOTSUPP;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	if (mode & FALLOC_FL_PUNCH_HOLE) {
 		if (offset >= inode->i_size)
@@ -1243,7 +1243,7 @@ static long f2fs_fallocate(struct file *file, int mode,
 	}
 
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	trace_f2fs_fallocate(inode, mode, offset, len, ret);
 	return ret;
@@ -1307,13 +1307,13 @@ static int f2fs_ioc_setflags(struct file *filp, unsigned long arg)
 
 	flags = f2fs_mask_flags(inode->i_mode, flags);
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	oldflags = fi->i_flags;
 
 	if ((flags ^ oldflags) & (FS_APPEND_FL | FS_IMMUTABLE_FL)) {
 		if (!capable(CAP_LINUX_IMMUTABLE)) {
-			mutex_unlock(&inode->i_mutex);
+			inode_unlock(inode);
 			ret = -EPERM;
 			goto out;
 		}
@@ -1322,7 +1322,7 @@ static int f2fs_ioc_setflags(struct file *filp, unsigned long arg)
 	flags = flags & FS_FL_USER_MODIFIABLE;
 	flags |= oldflags & ~FS_FL_USER_MODIFIABLE;
 	fi->i_flags = flags;
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	f2fs_set_inode_flags(inode);
 	inode->i_ctime = CURRENT_TIME;
@@ -1667,7 +1667,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
 
 	f2fs_balance_fs(sbi, true);
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	/* writeback all dirty pages in the range */
 	err = filemap_write_and_wait_range(inode->i_mapping, range->start,
@@ -1778,7 +1778,7 @@ do_map:
 clear_out:
 	clear_inode_flag(F2FS_I(inode), FI_DO_DEFRAG);
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	if (!err)
 		range->len = (u64)total << PAGE_CACHE_SHIFT;
 	return err;

fs/fat/dir.c

@@ -769,7 +769,7 @@ static int fat_ioctl_readdir(struct inode *inode, struct file *file,
 
 	buf.dirent = dirent;
 	buf.result = 0;
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	buf.ctx.pos = file->f_pos;
 	ret = -ENOENT;
 	if (!IS_DEADDIR(inode)) {
@@ -777,7 +777,7 @@ static int fat_ioctl_readdir(struct inode *inode, struct file *file,
 				    short_only, both ? &buf : NULL);
 		file->f_pos = buf.ctx.pos;
 	}
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	if (ret >= 0)
 		ret = buf.result;
 	return ret;

fs/fat/file.c

@@ -24,9 +24,9 @@ static int fat_ioctl_get_attributes(struct inode *inode, u32 __user *user_attr)
 {
 	u32 attr;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	attr = fat_make_attrs(inode);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	return put_user(attr, user_attr);
 }
@@ -47,7 +47,7 @@ static int fat_ioctl_set_attributes(struct file *file, u32 __user *user_attr)
 	err = mnt_want_write_file(file);
 	if (err)
 		goto out;
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	/*
 	 * ATTR_VOLUME and ATTR_DIR cannot be changed; this also
@@ -109,7 +109,7 @@ static int fat_ioctl_set_attributes(struct file *file, u32 __user *user_attr)
 	fat_save_attrs(inode, attr);
 	mark_inode_dirty(inode);
 out_unlock_inode:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	mnt_drop_write_file(file);
 out:
 	return err;
@@ -246,7 +246,7 @@ static long fat_fallocate(struct file *file, int mode,
 	if (!S_ISREG(inode->i_mode))
 		return -EOPNOTSUPP;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	if (mode & FALLOC_FL_KEEP_SIZE) {
 		ondisksize = inode->i_blocks << 9;
 		if ((offset + len) <= ondisksize)
@@ -272,7 +272,7 @@ static long fat_fallocate(struct file *file, int mode,
 	}
 
 error:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return err;
 }
 

fs/fuse/dir.c

@@ -944,7 +944,7 @@ int fuse_reverse_inval_entry(struct super_block *sb, u64 parent_nodeid,
 	if (!parent)
 		return -ENOENT;
 
-	mutex_lock(&parent->i_mutex);
+	inode_lock(parent);
 	if (!S_ISDIR(parent->i_mode))
 		goto unlock;
 
@@ -962,7 +962,7 @@ int fuse_reverse_inval_entry(struct super_block *sb, u64 parent_nodeid,
 	fuse_invalidate_entry(entry);
 
 	if (child_nodeid != 0 && d_really_is_positive(entry)) {
-		mutex_lock(&d_inode(entry)->i_mutex);
+		inode_lock(d_inode(entry));
 		if (get_node_id(d_inode(entry)) != child_nodeid) {
 			err = -ENOENT;
 			goto badentry;
@@ -983,7 +983,7 @@ int fuse_reverse_inval_entry(struct super_block *sb, u64 parent_nodeid,
 		clear_nlink(d_inode(entry));
 		err = 0;
  badentry:
-		mutex_unlock(&d_inode(entry)->i_mutex);
+		inode_unlock(d_inode(entry));
 		if (!err)
 			d_delete(entry);
 	} else {
@@ -992,7 +992,7 @@ int fuse_reverse_inval_entry(struct super_block *sb, u64 parent_nodeid,
 	dput(entry);
 
  unlock:
-	mutex_unlock(&parent->i_mutex);
+	inode_unlock(parent);
 	iput(parent);
 	return err;
 }
@@ -1504,7 +1504,7 @@ void fuse_set_nowrite(struct inode *inode)
 	struct fuse_conn *fc = get_fuse_conn(inode);
 	struct fuse_inode *fi = get_fuse_inode(inode);
 
-	BUG_ON(!mutex_is_locked(&inode->i_mutex));
+	BUG_ON(!inode_is_locked(inode));
 
 	spin_lock(&fc->lock);
 	BUG_ON(fi->writectr < 0);

fs/fuse/file.c

@@ -207,7 +207,7 @@ int fuse_open_common(struct inode *inode, struct file *file, bool isdir)
 		return err;
 
 	if (lock_inode)
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 
 	err = fuse_do_open(fc, get_node_id(inode), file, isdir);
 
@@ -215,7 +215,7 @@ int fuse_open_common(struct inode *inode, struct file *file, bool isdir)
 		fuse_finish_open(inode, file);
 
 	if (lock_inode)
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 
 	return err;
 }
@@ -413,9 +413,9 @@ static int fuse_flush(struct file *file, fl_owner_t id)
 	if (err)
 		return err;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	fuse_sync_writes(inode);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	req = fuse_get_req_nofail_nopages(fc, file);
 	memset(&inarg, 0, sizeof(inarg));
@@ -450,7 +450,7 @@ int fuse_fsync_common(struct file *file, loff_t start, loff_t end,
 	if (is_bad_inode(inode))
 		return -EIO;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	/*
 	 * Start writeback against all dirty pages of the inode, then
@@ -486,7 +486,7 @@ int fuse_fsync_common(struct file *file, loff_t start, loff_t end,
 		err = 0;
 	}
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return err;
 }
 
@@ -1160,7 +1160,7 @@ static ssize_t fuse_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
 		return generic_file_write_iter(iocb, from);
 	}
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	/* We can write back this queue in page reclaim */
 	current->backing_dev_info = inode_to_bdi(inode);
@@ -1210,7 +1210,7 @@ static ssize_t fuse_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
 	}
 out:
 	current->backing_dev_info = NULL;
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	return written ? written : err;
 }
@@ -1322,10 +1322,10 @@ ssize_t fuse_direct_io(struct fuse_io_priv *io, struct iov_iter *iter,
 
 	if (!cuse && fuse_range_is_writeback(inode, idx_from, idx_to)) {
 		if (!write)
-			mutex_lock(&inode->i_mutex);
+			inode_lock(inode);
 		fuse_sync_writes(inode);
 		if (!write)
-			mutex_unlock(&inode->i_mutex);
+			inode_unlock(inode);
 	}
 
 	while (count) {
@@ -1413,14 +1413,14 @@ static ssize_t fuse_direct_write_iter(struct kiocb *iocb, struct iov_iter *from)
 		return -EIO;
 
 	/* Don't allow parallel writes to the same file */
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	res = generic_write_checks(iocb, from);
 	if (res > 0)
 		res = fuse_direct_io(&io, from, &iocb->ki_pos, FUSE_DIO_WRITE);
 	fuse_invalidate_attr(inode);
 	if (res > 0)
 		fuse_write_update_size(inode, iocb->ki_pos);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	return res;
 }
@@ -2287,17 +2287,17 @@ static loff_t fuse_file_llseek(struct file *file, loff_t offset, int whence)
 		retval = generic_file_llseek(file, offset, whence);
 		break;
 	case SEEK_END:
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		retval = fuse_update_attributes(inode, NULL, file, NULL);
 		if (!retval)
 			retval = generic_file_llseek(file, offset, whence);
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 		break;
 	case SEEK_HOLE:
 	case SEEK_DATA:
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		retval = fuse_lseek(file, offset, whence);
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 		break;
 	default:
 		retval = -EINVAL;
@@ -2944,7 +2944,7 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
 		return -EOPNOTSUPP;
 
 	if (lock_inode) {
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		if (mode & FALLOC_FL_PUNCH_HOLE) {
 			loff_t endbyte = offset + length - 1;
 			err = filemap_write_and_wait_range(inode->i_mapping,
@@ -2990,7 +2990,7 @@ out:
 		clear_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);
 
 	if (lock_inode)
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 
 	return err;
 }

fs/gfs2/file.c

@@ -914,7 +914,7 @@ static long gfs2_fallocate(struct file *file, int mode, loff_t offset, loff_t le
 	if ((mode & ~FALLOC_FL_KEEP_SIZE) || gfs2_is_jdata(ip))
 		return -EOPNOTSUPP;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
 	ret = gfs2_glock_nq(&gh);
@@ -946,7 +946,7 @@ out_unlock:
 	gfs2_glock_dq(&gh);
 out_uninit:
 	gfs2_holder_uninit(&gh);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return ret;
 }
 

fs/gfs2/inode.c

@@ -2067,7 +2067,7 @@ static int gfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 	if (ret)
 		return ret;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
 	if (ret)
@@ -2094,7 +2094,7 @@ static int gfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 
 	gfs2_glock_dq_uninit(&gh);
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return ret;
 }
 

fs/gfs2/quota.c

@@ -888,7 +888,7 @@ static int do_sync(unsigned int num_qd, struct gfs2_quota_data **qda)
 		return -ENOMEM;
 
 	sort(qda, num_qd, sizeof(struct gfs2_quota_data *), sort_qd, NULL);
-	mutex_lock(&ip->i_inode.i_mutex);
+	inode_lock(&ip->i_inode);
 	for (qx = 0; qx < num_qd; qx++) {
 		error = gfs2_glock_nq_init(qda[qx]->qd_gl, LM_ST_EXCLUSIVE,
 					   GL_NOCACHE, &ghs[qx]);
@@ -953,7 +953,7 @@ out_alloc:
 out:
 	while (qx--)
 		gfs2_glock_dq_uninit(&ghs[qx]);
-	mutex_unlock(&ip->i_inode.i_mutex);
+	inode_unlock(&ip->i_inode);
 	kfree(ghs);
 	gfs2_log_flush(ip->i_gl->gl_name.ln_sbd, ip->i_gl, NORMAL_FLUSH);
 	return error;
@@ -1674,7 +1674,7 @@ static int gfs2_set_dqblk(struct super_block *sb, struct kqid qid,
 	if (error)
 		goto out_put;
 
-	mutex_lock(&ip->i_inode.i_mutex);
+	inode_lock(&ip->i_inode);
 	error = gfs2_glock_nq_init(qd->qd_gl, LM_ST_EXCLUSIVE, 0, &q_gh);
 	if (error)
 		goto out_unlockput;
@@ -1739,7 +1739,7 @@ out_i:
 out_q:
 	gfs2_glock_dq_uninit(&q_gh);
 out_unlockput:
-	mutex_unlock(&ip->i_inode.i_mutex);
+	inode_unlock(&ip->i_inode);
 out_put:
 	qd_put(qd);
 	return error;

fs/hfs/dir.c

@@ -173,9 +173,9 @@ static int hfs_dir_release(struct inode *inode, struct file *file)
 {
 	struct hfs_readdir_data *rd = file->private_data;
 	if (rd) {
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		list_del(&rd->list);
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 		kfree(rd);
 	}
 	return 0;

fs/hfs/inode.c

@@ -570,13 +570,13 @@ static int hfs_file_release(struct inode *inode, struct file *file)
 	if (HFS_IS_RSRC(inode))
 		inode = HFS_I(inode)->rsrc_inode;
 	if (atomic_dec_and_test(&HFS_I(inode)->opencnt)) {
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		hfs_file_truncate(inode);
 		//if (inode->i_flags & S_DEAD) {
 		//	hfs_delete_cat(inode->i_ino, HFSPLUS_SB(sb).hidden_dir, NULL);
 		//	hfs_delete_inode(inode);
 		//}
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 	}
 	return 0;
 }
@@ -656,7 +656,7 @@ static int hfs_file_fsync(struct file *filp, loff_t start, loff_t end,
 	ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
 	if (ret)
 		return ret;
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	/* sync the inode to buffers */
 	ret = write_inode_now(inode, 0);
@@ -668,7 +668,7 @@ static int hfs_file_fsync(struct file *filp, loff_t start, loff_t end,
 	err = sync_blockdev(sb->s_bdev);
 	if (!ret)
 		ret = err;
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return ret;
 }
 

fs/hfsplus/dir.c

@@ -284,9 +284,9 @@ static int hfsplus_dir_release(struct inode *inode, struct file *file)
 {
 	struct hfsplus_readdir_data *rd = file->private_data;
 	if (rd) {
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		list_del(&rd->list);
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 		kfree(rd);
 	}
 	return 0;

fs/hfsplus/inode.c

@@ -229,14 +229,14 @@ static int hfsplus_file_release(struct inode *inode, struct file *file)
 	if (HFSPLUS_IS_RSRC(inode))
 		inode = HFSPLUS_I(inode)->rsrc_inode;
 	if (atomic_dec_and_test(&HFSPLUS_I(inode)->opencnt)) {
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		hfsplus_file_truncate(inode);
 		if (inode->i_flags & S_DEAD) {
 			hfsplus_delete_cat(inode->i_ino,
 					   HFSPLUS_SB(sb)->hidden_dir, NULL);
 			hfsplus_delete_inode(inode);
 		}
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 	}
 	return 0;
 }
@@ -286,7 +286,7 @@ int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
 	error = filemap_write_and_wait_range(inode->i_mapping, start, end);
 	if (error)
 		return error;
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	/*
 	 * Sync inode metadata into the catalog and extent trees.
@@ -327,7 +327,7 @@ int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
 	if (!test_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags))
 		blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
 
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	return error;
 }

fs/hfsplus/ioctl.c

@@ -93,7 +93,7 @@ static int hfsplus_ioctl_setflags(struct file *file, int __user *user_flags)
 		goto out_drop_write;
 	}
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	if ((flags & (FS_IMMUTABLE_FL|FS_APPEND_FL)) ||
 	    inode->i_flags & (S_IMMUTABLE|S_APPEND)) {
@@ -126,7 +126,7 @@ static int hfsplus_ioctl_setflags(struct file *file, int __user *user_flags)
 	mark_inode_dirty(inode);
 
 out_unlock_inode:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 out_drop_write:
 	mnt_drop_write_file(file);
 out:

fs/hostfs/hostfs_kern.c

@@ -378,9 +378,9 @@ static int hostfs_fsync(struct file *file, loff_t start, loff_t end,
 	if (ret)
 		return ret;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	ret = fsync_file(HOSTFS_I(inode)->fd, datasync);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	return ret;
 }

fs/hpfs/dir.c

@@ -33,7 +33,7 @@ static loff_t hpfs_dir_lseek(struct file *filp, loff_t off, int whence)
 	if (whence == SEEK_DATA || whence == SEEK_HOLE)
 		return -EINVAL;
 
-	mutex_lock(&i->i_mutex);
+	inode_lock(i);
 	hpfs_lock(s);
 
 	/*pr_info("dir lseek\n");*/
@@ -48,12 +48,12 @@ static loff_t hpfs_dir_lseek(struct file *filp, loff_t off, int whence)
 ok:
 	filp->f_pos = new_off;
 	hpfs_unlock(s);
-	mutex_unlock(&i->i_mutex);
+	inode_unlock(i);
 	return new_off;
 fail:
 	/*pr_warn("illegal lseek: %016llx\n", new_off);*/
 	hpfs_unlock(s);
-	mutex_unlock(&i->i_mutex);
+	inode_unlock(i);
 	return -ESPIPE;
 }
 

fs/hugetlbfs/inode.c

@@ -141,7 +141,7 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
 
 	vma_len = (loff_t)(vma->vm_end - vma->vm_start);
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	file_accessed(file);
 
 	ret = -ENOMEM;
@@ -157,7 +157,7 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
 	if (vma->vm_flags & VM_WRITE && inode->i_size < len)
 		inode->i_size = len;
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	return ret;
 }
@@ -530,7 +530,7 @@ static long hugetlbfs_punch_hole(struct inode *inode, loff_t offset, loff_t len)
 	if (hole_end > hole_start) {
 		struct address_space *mapping = inode->i_mapping;
 
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		i_mmap_lock_write(mapping);
 		if (!RB_EMPTY_ROOT(&mapping->i_mmap))
 			hugetlb_vmdelete_list(&mapping->i_mmap,
@@ -538,7 +538,7 @@ static long hugetlbfs_punch_hole(struct inode *inode, loff_t offset, loff_t len)
 						hole_end  >> PAGE_SHIFT);
 		i_mmap_unlock_write(mapping);
 		remove_inode_hugepages(inode, hole_start, hole_end);
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 	}
 
 	return 0;
@@ -572,7 +572,7 @@ static long hugetlbfs_fallocate(struct file *file, int mode, loff_t offset,
 	start = offset >> hpage_shift;
 	end = (offset + len + hpage_size - 1) >> hpage_shift;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 
 	/* We need to check rlimit even when FALLOC_FL_KEEP_SIZE */
 	error = inode_newsize_ok(inode, offset + len);
@@ -659,7 +659,7 @@ static long hugetlbfs_fallocate(struct file *file, int mode, loff_t offset,
 		i_size_write(inode, offset + len);
 	inode->i_ctime = CURRENT_TIME;
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return error;
 }
 

fs/inode.c

@@ -966,9 +966,9 @@ void lock_two_nondirectories(struct inode *inode1, struct inode *inode2)
 		swap(inode1, inode2);
 
 	if (inode1 && !S_ISDIR(inode1->i_mode))
-		mutex_lock(&inode1->i_mutex);
+		inode_lock(inode1);
 	if (inode2 && !S_ISDIR(inode2->i_mode) && inode2 != inode1)
-		mutex_lock_nested(&inode2->i_mutex, I_MUTEX_NONDIR2);
+		inode_lock_nested(inode2, I_MUTEX_NONDIR2);
 }
 EXPORT_SYMBOL(lock_two_nondirectories);
 
@@ -980,9 +980,9 @@ EXPORT_SYMBOL(lock_two_nondirectories);
 void unlock_two_nondirectories(struct inode *inode1, struct inode *inode2)
 {
 	if (inode1 && !S_ISDIR(inode1->i_mode))
-		mutex_unlock(&inode1->i_mutex);
+		inode_unlock(inode1);
 	if (inode2 && !S_ISDIR(inode2->i_mode) && inode2 != inode1)
-		mutex_unlock(&inode2->i_mutex);
+		inode_unlock(inode2);
 }
 EXPORT_SYMBOL(unlock_two_nondirectories);
 

fs/ioctl.c

@@ -434,9 +434,9 @@ int generic_block_fiemap(struct inode *inode,
 			 u64 len, get_block_t *get_block)
 {
 	int ret;
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	ret = __generic_block_fiemap(inode, fieinfo, start, len, get_block);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return ret;
 }
 EXPORT_SYMBOL(generic_block_fiemap);

fs/jffs2/file.c

@@ -39,10 +39,10 @@ int jffs2_fsync(struct file *filp, loff_t start, loff_t end, int datasync)
 	if (ret)
 		return ret;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	/* Trigger GC to flush any pending writes for this inode */
 	jffs2_flush_wbuf_gc(c, inode->i_ino);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	return 0;
 }

fs/jfs/file.c

@@ -38,17 +38,17 @@ int jfs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 	if (rc)
 		return rc;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	if (!(inode->i_state & I_DIRTY_ALL) ||
 	    (datasync && !(inode->i_state & I_DIRTY_DATASYNC))) {
 		/* Make sure committed changes hit the disk */
 		jfs_flush_journal(JFS_SBI(inode->i_sb)->log, 1);
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 		return rc;
 	}
 
 	rc |= jfs_commit_inode(inode, 1);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	return rc ? -EIO : 0;
 }

fs/jfs/ioctl.c

@@ -96,7 +96,7 @@ long jfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		}
 
 		/* Lock against other parallel changes of flags */
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 
 		jfs_get_inode_flags(jfs_inode);
 		oldflags = jfs_inode->mode2;
@@ -109,7 +109,7 @@ long jfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 			((flags ^ oldflags) &
 			(JFS_APPEND_FL | JFS_IMMUTABLE_FL))) {
 			if (!capable(CAP_LINUX_IMMUTABLE)) {
-				mutex_unlock(&inode->i_mutex);
+				inode_unlock(inode);
 				err = -EPERM;
 				goto setflags_out;
 			}
@@ -120,7 +120,7 @@ long jfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		jfs_inode->mode2 = flags;
 
 		jfs_set_inode_flags(inode);
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 		inode->i_ctime = CURRENT_TIME_SEC;
 		mark_inode_dirty(inode);
 setflags_out:

fs/jfs/super.c

@@ -792,7 +792,7 @@ static ssize_t jfs_quota_write(struct super_block *sb, int type,
 	struct buffer_head tmp_bh;
 	struct buffer_head *bh;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	while (towrite > 0) {
 		tocopy = sb->s_blocksize - offset < towrite ?
 				sb->s_blocksize - offset : towrite;
@@ -824,7 +824,7 @@ static ssize_t jfs_quota_write(struct super_block *sb, int type,
 	}
 out:
 	if (len == towrite) {
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 		return err;
 	}
 	if (inode->i_size < off+len-towrite)
@@ -832,7 +832,7 @@ out:
 	inode->i_version++;
 	inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 	mark_inode_dirty(inode);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return len - towrite;
 }
 

fs/kernfs/dir.c

@@ -1511,9 +1511,9 @@ static loff_t kernfs_dir_fop_llseek(struct file *file, loff_t offset,
 	struct inode *inode = file_inode(file);
 	loff_t ret;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	ret = generic_file_llseek(file, offset, whence);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	return ret;
 }

fs/libfs.c

@@ -89,7 +89,7 @@ EXPORT_SYMBOL(dcache_dir_close);
 loff_t dcache_dir_lseek(struct file *file, loff_t offset, int whence)
 {
 	struct dentry *dentry = file->f_path.dentry;
-	mutex_lock(&d_inode(dentry)->i_mutex);
+	inode_lock(d_inode(dentry));
 	switch (whence) {
 		case 1:
 			offset += file->f_pos;
@@ -97,7 +97,7 @@ loff_t dcache_dir_lseek(struct file *file, loff_t offset, int whence)
 			if (offset >= 0)
 				break;
 		default:
-			mutex_unlock(&d_inode(dentry)->i_mutex);
+			inode_unlock(d_inode(dentry));
 			return -EINVAL;
 	}
 	if (offset != file->f_pos) {
@@ -124,7 +124,7 @@ loff_t dcache_dir_lseek(struct file *file, loff_t offset, int whence)
 			spin_unlock(&dentry->d_lock);
 		}
 	}
-	mutex_unlock(&d_inode(dentry)->i_mutex);
+	inode_unlock(d_inode(dentry));
 	return offset;
 }
 EXPORT_SYMBOL(dcache_dir_lseek);
@@ -941,7 +941,7 @@ int __generic_file_fsync(struct file *file, loff_t start, loff_t end,
 	if (err)
 		return err;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	ret = sync_mapping_buffers(inode->i_mapping);
 	if (!(inode->i_state & I_DIRTY_ALL))
 		goto out;
@@ -953,7 +953,7 @@ int __generic_file_fsync(struct file *file, loff_t start, loff_t end,
 		ret = err;
 
 out:
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return ret;
 }
 EXPORT_SYMBOL(__generic_file_fsync);

fs/locks.c

@@ -1650,12 +1650,12 @@ generic_add_lease(struct file *filp, long arg, struct file_lock **flp, void **pr
 	 * bother, maybe that's a sign this just isn't a good file to
 	 * hand out a delegation on.
 	 */
-	if (is_deleg && !mutex_trylock(&inode->i_mutex))
+	if (is_deleg && !inode_trylock(inode))
 		return -EAGAIN;
 
 	if (is_deleg && arg == F_WRLCK) {
 		/* Write delegations are not currently supported: */
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 		WARN_ON_ONCE(1);
 		return -EINVAL;
 	}
@@ -1732,7 +1732,7 @@ out:
 	spin_unlock(&ctx->flc_lock);
 	locks_dispose_list(&dispose);
 	if (is_deleg)
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 	if (!error && !my_fl)
 		*flp = NULL;
 	return error;

fs/logfs/file.c

@@ -204,12 +204,12 @@ long logfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 		if (err)
 			return err;
 
-		mutex_lock(&inode->i_mutex);
+		inode_lock(inode);
 		oldflags = li->li_flags;
 		flags &= LOGFS_FL_USER_MODIFIABLE;
 		flags |= oldflags & ~LOGFS_FL_USER_MODIFIABLE;
 		li->li_flags = flags;
-		mutex_unlock(&inode->i_mutex);
+		inode_unlock(inode);
 
 		inode->i_ctime = CURRENT_TIME;
 		mark_inode_dirty_sync(inode);
@@ -230,11 +230,11 @@ int logfs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 	if (ret)
 		return ret;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	logfs_get_wblocks(sb, NULL, WF_LOCK);
 	logfs_write_anchor(sb);
 	logfs_put_wblocks(sb, NULL, WF_LOCK);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 
 	return 0;
 }