fat: change timestamp updates to use fat_truncate_time

Convert the inode timestamp updates to use fat_truncate_time.

Link: http://lkml.kernel.org/r/2663d3083c4dd62f00b64612c8eaf5542bb05a4c.1538363961.git.sorenson@redhat.com
Signed-off-by: Frank Sorenson <sorenson@redhat.com>
Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/fat/dir.c

@@ -1073,7 +1073,7 @@ int fat_remove_entries(struct inode *dir, struct fat_slot_info *sinfo)
 		}
 	}
 
-	dir->i_mtime = dir->i_atime = current_time(dir);
+	fat_truncate_time(dir, NULL, S_ATIME|S_MTIME);
 	if (IS_DIRSYNC(dir))
 		(void)fat_sync_inode(dir);
 	else

fs/fat/file.c

@@ -227,7 +227,7 @@ static int fat_cont_expand(struct inode *inode, loff_t size)
 	if (err)
 		goto out;
 
-	inode->i_ctime = inode->i_mtime = current_time(inode);
+	fat_truncate_time(inode, NULL, S_CTIME|S_MTIME);
 	mark_inode_dirty(inode);
 	if (IS_SYNC(inode)) {
 		int err2;
@@ -330,7 +330,7 @@ static int fat_free(struct inode *inode, int skip)
 		MSDOS_I(inode)->i_logstart = 0;
 	}
 	MSDOS_I(inode)->i_attrs |= ATTR_ARCH;
-	inode->i_ctime = inode->i_mtime = current_time(inode);
+	fat_truncate_time(inode, NULL, S_CTIME|S_MTIME);
 	if (wait) {
 		err = fat_sync_inode(inode);
 		if (err) {

fs/fat/inode.c

@@ -244,7 +244,7 @@ static int fat_write_end(struct file *file, struct address_space *mapping,
 	if (err < len)
 		fat_write_failed(mapping, pos + len);
 	if (!(err < 0) && !(MSDOS_I(inode)->i_attrs & ATTR_ARCH)) {
-		inode->i_mtime = inode->i_ctime = current_time(inode);
+		fat_truncate_time(inode, NULL, S_CTIME|S_MTIME);
 		MSDOS_I(inode)->i_attrs |= ATTR_ARCH;
 		mark_inode_dirty(inode);
 	}
@@ -564,7 +564,7 @@ int fat_fill_inode(struct inode *inode, struct msdos_dir_entry *de)
 				  de->cdate, de->ctime_cs);
 		fat_time_fat2unix(sbi, &inode->i_atime, 0, de->adate, 0);
 	} else
-		inode->i_ctime = inode->i_atime = inode->i_mtime;
+		fat_truncate_time(inode, &inode->i_mtime, S_ATIME|S_CTIME);
 
 	return 0;
 }

fs/fat/namei_msdos.c

@@ -250,7 +250,7 @@ static int msdos_add_entry(struct inode *dir, const unsigned char *name,
 	if (err)
 		return err;
 
-	dir->i_ctime = dir->i_mtime = *ts;
+	fat_truncate_time(dir, ts, S_CTIME|S_MTIME);
 	if (IS_DIRSYNC(dir))
 		(void)fat_sync_inode(dir);
 	else
@@ -294,7 +294,7 @@ static int msdos_create(struct inode *dir, struct dentry *dentry, umode_t mode,
 		err = PTR_ERR(inode);
 		goto out;
 	}
-	inode->i_mtime = inode->i_atime = inode->i_ctime = ts;
+	fat_truncate_time(inode, &ts, S_ATIME|S_CTIME|S_MTIME);
 	/* timestamp is already written, so mark_inode_dirty() is unneeded. */
 
 	d_instantiate(dentry, inode);
@@ -327,7 +327,7 @@ static int msdos_rmdir(struct inode *dir, struct dentry *dentry)
 	drop_nlink(dir);
 
 	clear_nlink(inode);
-	inode->i_ctime = current_time(inode);
+	fat_truncate_time(inode, NULL, S_CTIME);
 	fat_detach(inode);
 out:
 	mutex_unlock(&MSDOS_SB(sb)->s_lock);
@@ -380,7 +380,7 @@ static int msdos_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
 		goto out;
 	}
 	set_nlink(inode, 2);
-	inode->i_mtime = inode->i_atime = inode->i_ctime = ts;
+	fat_truncate_time(inode, &ts, S_ATIME|S_CTIME|S_MTIME);
 	/* timestamp is already written, so mark_inode_dirty() is unneeded. */
 
 	d_instantiate(dentry, inode);
@@ -413,7 +413,7 @@ static int msdos_unlink(struct inode *dir, struct dentry *dentry)
 	if (err)
 		goto out;
 	clear_nlink(inode);
-	inode->i_ctime = current_time(inode);
+	fat_truncate_time(inode, NULL, S_CTIME);
 	fat_detach(inode);
 out:
 	mutex_unlock(&MSDOS_SB(sb)->s_lock);
@@ -478,7 +478,7 @@ static int do_msdos_rename(struct inode *old_dir, unsigned char *old_name,
 				mark_inode_dirty(old_inode);
 
 			inode_inc_iversion(old_dir);
-			old_dir->i_ctime = old_dir->i_mtime = current_time(old_dir);
+			fat_truncate_time(old_dir, NULL, S_CTIME|S_MTIME);
 			if (IS_DIRSYNC(old_dir))
 				(void)fat_sync_inode(old_dir);
 			else
@@ -538,7 +538,7 @@ static int do_msdos_rename(struct inode *old_dir, unsigned char *old_name,
 	if (err)
 		goto error_dotdot;
 	inode_inc_iversion(old_dir);
-	old_dir->i_ctime = old_dir->i_mtime = ts;
+	fat_truncate_time(old_dir, &ts, S_CTIME|S_MTIME);
 	if (IS_DIRSYNC(old_dir))
 		(void)fat_sync_inode(old_dir);
 	else
@@ -548,7 +548,7 @@ static int do_msdos_rename(struct inode *old_dir, unsigned char *old_name,
 		drop_nlink(new_inode);
 		if (is_dir)
 			drop_nlink(new_inode);
-		new_inode->i_ctime = ts;
+		fat_truncate_time(new_inode, &ts, S_CTIME);
 	}
 out:
 	brelse(sinfo.bh);

fs/fat/namei_vfat.c

@@ -678,7 +678,7 @@ static int vfat_add_entry(struct inode *dir, const struct qstr *qname,
 		goto cleanup;
 
 	/* update timestamp */
-	dir->i_ctime = dir->i_mtime = dir->i_atime = *ts;
+	fat_truncate_time(dir, ts, S_CTIME|S_MTIME);
 	if (IS_DIRSYNC(dir))
 		(void)fat_sync_inode(dir);
 	else
@@ -779,7 +779,7 @@ static int vfat_create(struct inode *dir, struct dentry *dentry, umode_t mode,
 		goto out;
 	}
 	inode_inc_iversion(inode);
-	inode->i_mtime = inode->i_atime = inode->i_ctime = ts;
+	fat_truncate_time(inode, &ts, S_ATIME|S_CTIME|S_MTIME);
 	/* timestamp is already written, so mark_inode_dirty() is unneeded. */
 
 	d_instantiate(dentry, inode);
@@ -810,7 +810,7 @@ static int vfat_rmdir(struct inode *dir, struct dentry *dentry)
 	drop_nlink(dir);
 
 	clear_nlink(inode);
-	inode->i_mtime = inode->i_atime = current_time(inode);
+	fat_truncate_time(inode, NULL, S_ATIME|S_MTIME);
 	fat_detach(inode);
 	vfat_d_version_set(dentry, inode_query_iversion(dir));
 out:
@@ -836,7 +836,7 @@ static int vfat_unlink(struct inode *dir, struct dentry *dentry)
 	if (err)
 		goto out;
 	clear_nlink(inode);
-	inode->i_mtime = inode->i_atime = current_time(inode);
+	fat_truncate_time(inode, NULL, S_ATIME|S_MTIME);
 	fat_detach(inode);
 	vfat_d_version_set(dentry, inode_query_iversion(dir));
 out:
@@ -876,7 +876,7 @@ static int vfat_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
 	}
 	inode_inc_iversion(inode);
 	set_nlink(inode, 2);
-	inode->i_mtime = inode->i_atime = inode->i_ctime = ts;
+	fat_truncate_time(inode, &ts, S_ATIME|S_CTIME|S_MTIME);
 	/* timestamp is already written, so mark_inode_dirty() is unneeded. */
 
 	d_instantiate(dentry, inode);
@@ -969,7 +969,7 @@ static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry,
 	if (err)
 		goto error_dotdot;
 	inode_inc_iversion(old_dir);
-	old_dir->i_ctime = old_dir->i_mtime = ts;
+	fat_truncate_time(old_dir, &ts, S_CTIME|S_MTIME);
 	if (IS_DIRSYNC(old_dir))
 		(void)fat_sync_inode(old_dir);
 	else
@@ -979,7 +979,7 @@ static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry,
 		drop_nlink(new_inode);
 		if (is_dir)
 			drop_nlink(new_inode);
-		new_inode->i_ctime = ts;
+		fat_truncate_time(new_inode, &ts, S_CTIME);
 	}
 out:
 	brelse(sinfo.bh);