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@@ -77,239 +77,202 @@ static void cifs_set_ops(struct inode *inode, const bool is_dfs_referral)
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}
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}
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-static void cifs_unix_info_to_inode(struct inode *inode,
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- FILE_UNIX_BASIC_INFO *info, int force_uid_gid)
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+/* populate an inode with info from a cifs_fattr struct */
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+void
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+cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr)
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{
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+ struct cifsInodeInfo *cifs_i = CIFS_I(inode);
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struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
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- struct cifsInodeInfo *cifsInfo = CIFS_I(inode);
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- __u64 num_of_bytes = le64_to_cpu(info->NumOfBytes);
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- __u64 end_of_file = le64_to_cpu(info->EndOfFile);
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+ unsigned long oldtime = cifs_i->time;
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+
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+ inode->i_atime = fattr->cf_atime;
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+ inode->i_mtime = fattr->cf_mtime;
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+ inode->i_ctime = fattr->cf_ctime;
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+ inode->i_rdev = fattr->cf_rdev;
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+ inode->i_nlink = fattr->cf_nlink;
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+ inode->i_uid = fattr->cf_uid;
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+ inode->i_gid = fattr->cf_gid;
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+
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+ /* if dynperm is set, don't clobber existing mode */
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+ if (inode->i_state & I_NEW ||
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+ !(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM))
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+ inode->i_mode = fattr->cf_mode;
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+
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+ cifs_i->cifsAttrs = fattr->cf_cifsattrs;
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+ cifs_i->uniqueid = fattr->cf_uniqueid;
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+
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+ if (fattr->cf_flags & CIFS_FATTR_NEED_REVAL)
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+ cifs_i->time = 0;
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+ else
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+ cifs_i->time = jiffies;
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+
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+ cFYI(1, ("inode 0x%p old_time=%ld new_time=%ld", inode,
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+ oldtime, cifs_i->time));
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- inode->i_atime = cifs_NTtimeToUnix(info->LastAccessTime);
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- inode->i_mtime =
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- cifs_NTtimeToUnix(info->LastModificationTime);
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- inode->i_ctime = cifs_NTtimeToUnix(info->LastStatusChange);
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- inode->i_mode = le64_to_cpu(info->Permissions);
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+ cifs_i->delete_pending = fattr->cf_flags & CIFS_FATTR_DELETE_PENDING;
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+
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+ /*
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+ * Can't safely change the file size here if the client is writing to
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+ * it due to potential races.
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+ */
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+ spin_lock(&inode->i_lock);
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+ if (is_size_safe_to_change(cifs_i, fattr->cf_eof)) {
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+ i_size_write(inode, fattr->cf_eof);
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+
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+ /*
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+ * i_blocks is not related to (i_size / i_blksize),
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+ * but instead 512 byte (2**9) size is required for
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+ * calculating num blocks.
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+ */
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+ inode->i_blocks = (512 - 1 + fattr->cf_bytes) >> 9;
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+ }
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+ spin_unlock(&inode->i_lock);
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+
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+ cifs_set_ops(inode, fattr->cf_flags & CIFS_FATTR_DFS_REFERRAL);
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+}
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+
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+/* Fill a cifs_fattr struct with info from FILE_UNIX_BASIC_INFO. */
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+void
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+cifs_unix_basic_to_fattr(struct cifs_fattr *fattr, FILE_UNIX_BASIC_INFO *info,
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+ struct cifs_sb_info *cifs_sb)
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+{
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+ memset(fattr, 0, sizeof(*fattr));
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+ fattr->cf_uniqueid = le64_to_cpu(info->UniqueId);
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+ fattr->cf_bytes = le64_to_cpu(info->NumOfBytes);
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+ fattr->cf_eof = le64_to_cpu(info->EndOfFile);
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+
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+ fattr->cf_atime = cifs_NTtimeToUnix(info->LastAccessTime);
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+ fattr->cf_mtime = cifs_NTtimeToUnix(info->LastModificationTime);
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+ fattr->cf_ctime = cifs_NTtimeToUnix(info->LastStatusChange);
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+ fattr->cf_mode = le64_to_cpu(info->Permissions);
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/*
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* Since we set the inode type below we need to mask off
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* to avoid strange results if bits set above.
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*/
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- inode->i_mode &= ~S_IFMT;
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+ fattr->cf_mode &= ~S_IFMT;
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switch (le32_to_cpu(info->Type)) {
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case UNIX_FILE:
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- inode->i_mode |= S_IFREG;
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+ fattr->cf_mode |= S_IFREG;
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+ fattr->cf_dtype = DT_REG;
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break;
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case UNIX_SYMLINK:
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- inode->i_mode |= S_IFLNK;
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+ fattr->cf_mode |= S_IFLNK;
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+ fattr->cf_dtype = DT_LNK;
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break;
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case UNIX_DIR:
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- inode->i_mode |= S_IFDIR;
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+ fattr->cf_mode |= S_IFDIR;
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+ fattr->cf_dtype = DT_DIR;
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break;
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case UNIX_CHARDEV:
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- inode->i_mode |= S_IFCHR;
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- inode->i_rdev = MKDEV(le64_to_cpu(info->DevMajor),
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- le64_to_cpu(info->DevMinor) & MINORMASK);
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+ fattr->cf_mode |= S_IFCHR;
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+ fattr->cf_dtype = DT_CHR;
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+ fattr->cf_rdev = MKDEV(le64_to_cpu(info->DevMajor),
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+ le64_to_cpu(info->DevMinor) & MINORMASK);
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break;
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case UNIX_BLOCKDEV:
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- inode->i_mode |= S_IFBLK;
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- inode->i_rdev = MKDEV(le64_to_cpu(info->DevMajor),
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- le64_to_cpu(info->DevMinor) & MINORMASK);
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+ fattr->cf_mode |= S_IFBLK;
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+ fattr->cf_dtype = DT_BLK;
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+ fattr->cf_rdev = MKDEV(le64_to_cpu(info->DevMajor),
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+ le64_to_cpu(info->DevMinor) & MINORMASK);
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break;
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case UNIX_FIFO:
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- inode->i_mode |= S_IFIFO;
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+ fattr->cf_mode |= S_IFIFO;
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+ fattr->cf_dtype = DT_FIFO;
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break;
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case UNIX_SOCKET:
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- inode->i_mode |= S_IFSOCK;
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+ fattr->cf_mode |= S_IFSOCK;
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+ fattr->cf_dtype = DT_SOCK;
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break;
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default:
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/* safest to call it a file if we do not know */
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- inode->i_mode |= S_IFREG;
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+ fattr->cf_mode |= S_IFREG;
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+ fattr->cf_dtype = DT_REG;
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cFYI(1, ("unknown type %d", le32_to_cpu(info->Type)));
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break;
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}
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- if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_UID) &&
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- !force_uid_gid)
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- inode->i_uid = cifs_sb->mnt_uid;
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+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_UID)
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+ fattr->cf_uid = cifs_sb->mnt_uid;
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else
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- inode->i_uid = le64_to_cpu(info->Uid);
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+ fattr->cf_uid = le64_to_cpu(info->Uid);
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- if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_GID) &&
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- !force_uid_gid)
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- inode->i_gid = cifs_sb->mnt_gid;
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+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_GID)
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+ fattr->cf_gid = cifs_sb->mnt_gid;
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else
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- inode->i_gid = le64_to_cpu(info->Gid);
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-
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- inode->i_nlink = le64_to_cpu(info->Nlinks);
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-
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- cifsInfo->server_eof = end_of_file;
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- spin_lock(&inode->i_lock);
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- if (is_size_safe_to_change(cifsInfo, end_of_file)) {
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- /*
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- * We can not safely change the file size here if the client
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- * is writing to it due to potential races.
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- */
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- i_size_write(inode, end_of_file);
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+ fattr->cf_gid = le64_to_cpu(info->Gid);
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- /*
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- * i_blocks is not related to (i_size / i_blksize),
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- * but instead 512 byte (2**9) size is required for
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- * calculating num blocks.
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- */
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- inode->i_blocks = (512 - 1 + num_of_bytes) >> 9;
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- }
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- spin_unlock(&inode->i_lock);
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+ fattr->cf_nlink = le64_to_cpu(info->Nlinks);
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}
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-
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/*
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- * Needed to setup inode data for the directory which is the
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- * junction to the new submount (ie to setup the fake directory
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- * which represents a DFS referral)
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- */
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-static void fill_fake_finddataunix(FILE_UNIX_BASIC_INFO *pfnd_dat,
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- struct super_block *sb)
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-{
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- struct inode *pinode = NULL;
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-
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- memset(pfnd_dat, 0, sizeof(FILE_UNIX_BASIC_INFO));
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-
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-/* __le64 pfnd_dat->EndOfFile = cpu_to_le64(0);
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- __le64 pfnd_dat->NumOfBytes = cpu_to_le64(0);
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- __u64 UniqueId = 0; */
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- pfnd_dat->LastStatusChange =
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- cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
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- pfnd_dat->LastAccessTime =
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- cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
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- pfnd_dat->LastModificationTime =
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- cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
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- pfnd_dat->Type = cpu_to_le32(UNIX_DIR);
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- pfnd_dat->Permissions = cpu_to_le64(S_IXUGO | S_IRWXU);
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- pfnd_dat->Nlinks = cpu_to_le64(2);
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- if (sb->s_root)
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- pinode = sb->s_root->d_inode;
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- if (pinode == NULL)
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- return;
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-
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- /* fill in default values for the remaining based on root
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- inode since we can not query the server for this inode info */
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- pfnd_dat->DevMajor = cpu_to_le64(MAJOR(pinode->i_rdev));
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- pfnd_dat->DevMinor = cpu_to_le64(MINOR(pinode->i_rdev));
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- pfnd_dat->Uid = cpu_to_le64(pinode->i_uid);
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- pfnd_dat->Gid = cpu_to_le64(pinode->i_gid);
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-}
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-
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-/**
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- * cifs_new inode - create new inode, initialize, and hash it
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- * @sb - pointer to superblock
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- * @inum - if valid pointer and serverino is enabled, replace i_ino with val
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- *
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- * Create a new inode, initialize it for CIFS and hash it. Returns the new
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- * inode or NULL if one couldn't be allocated.
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+ * Fill a cifs_fattr struct with fake inode info.
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*
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- * If the share isn't mounted with "serverino" or inum is a NULL pointer then
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- * we'll just use the inode number assigned by new_inode(). Note that this can
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- * mean i_ino collisions since the i_ino assigned by new_inode is not
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- * guaranteed to be unique.
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+ * Needed to setup cifs_fattr data for the directory which is the
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+ * junction to the new submount (ie to setup the fake directory
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+ * which represents a DFS referral).
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*/
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-struct inode *
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-cifs_new_inode(struct super_block *sb, __u64 *inum)
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+void
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+cifs_create_dfs_fattr(struct cifs_fattr *fattr, struct super_block *sb)
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{
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- struct inode *inode;
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-
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- inode = new_inode(sb);
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- if (inode == NULL)
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- return NULL;
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-
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- /*
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- * BB: Is i_ino == 0 legal? Here, we assume that it is. If it isn't we
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- * stop passing inum as ptr. Are there sanity checks we can use to
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- * ensure that the server is really filling in that field? Also,
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- * if serverino is disabled, perhaps we should be using iunique()?
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- */
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- if (inum && (CIFS_SB(sb)->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM))
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- inode->i_ino = (unsigned long) *inum;
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-
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- /*
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- * must set this here instead of cifs_alloc_inode since VFS will
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- * clobber i_flags
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- */
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- if (sb->s_flags & MS_NOATIME)
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- inode->i_flags |= S_NOATIME | S_NOCMTIME;
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-
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- insert_inode_hash(inode);
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+ struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
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- return inode;
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+ cFYI(1, ("creating fake fattr for DFS referral"));
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+
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+ memset(fattr, 0, sizeof(*fattr));
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+ fattr->cf_mode = S_IFDIR | S_IXUGO | S_IRWXU;
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+ fattr->cf_uid = cifs_sb->mnt_uid;
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+ fattr->cf_gid = cifs_sb->mnt_gid;
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+ fattr->cf_atime = CURRENT_TIME;
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+ fattr->cf_ctime = CURRENT_TIME;
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+ fattr->cf_mtime = CURRENT_TIME;
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+ fattr->cf_nlink = 2;
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+ fattr->cf_flags |= CIFS_FATTR_DFS_REFERRAL;
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}
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int cifs_get_inode_info_unix(struct inode **pinode,
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- const unsigned char *full_path, struct super_block *sb, int xid)
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+ const unsigned char *full_path,
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+ struct super_block *sb, int xid)
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{
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- int rc = 0;
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+ int rc;
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FILE_UNIX_BASIC_INFO find_data;
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- struct cifsTconInfo *pTcon;
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- struct inode *inode;
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+ struct cifs_fattr fattr;
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+ struct cifsTconInfo *tcon;
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struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
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- bool is_dfs_referral = false;
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- struct cifsInodeInfo *cifsInfo;
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- __u64 num_of_bytes;
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- __u64 end_of_file;
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- pTcon = cifs_sb->tcon;
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+ tcon = cifs_sb->tcon;
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cFYI(1, ("Getting info on %s", full_path));
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/* could have done a find first instead but this returns more info */
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- rc = CIFSSMBUnixQPathInfo(xid, pTcon, full_path, &find_data,
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+ rc = CIFSSMBUnixQPathInfo(xid, tcon, full_path, &find_data,
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cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
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CIFS_MOUNT_MAP_SPECIAL_CHR);
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- if (rc == -EREMOTE && !is_dfs_referral) {
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- is_dfs_referral = true;
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- cFYI(DBG2, ("DFS ref"));
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- /* for DFS, server does not give us real inode data */
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- fill_fake_finddataunix(&find_data, sb);
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- rc = 0;
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- } else if (rc)
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- goto cgiiu_exit;
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- num_of_bytes = le64_to_cpu(find_data.NumOfBytes);
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- end_of_file = le64_to_cpu(find_data.EndOfFile);
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+ if (!rc) {
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+ cifs_unix_basic_to_fattr(&fattr, &find_data, cifs_sb);
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+ } else if (rc == -EREMOTE) {
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+ cifs_create_dfs_fattr(&fattr, sb);
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+ rc = 0;
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+ } else {
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+ return rc;
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+ }
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- /* get new inode */
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if (*pinode == NULL) {
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- __u64 unique_id = le64_to_cpu(find_data.UniqueId);
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- *pinode = cifs_new_inode(sb, &unique_id);
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- if (*pinode == NULL) {
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+ /* get new inode */
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+ *pinode = cifs_iget(sb, &fattr);
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+ if (!*pinode)
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rc = -ENOMEM;
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- goto cgiiu_exit;
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- }
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+ } else {
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+ /* we already have inode, update it */
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+ cifs_fattr_to_inode(*pinode, &fattr);
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}
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- inode = *pinode;
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- cifsInfo = CIFS_I(inode);
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-
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- cFYI(1, ("Old time %ld", cifsInfo->time));
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- cifsInfo->time = jiffies;
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- cFYI(1, ("New time %ld", cifsInfo->time));
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- /* this is ok to set on every inode revalidate */
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- atomic_set(&cifsInfo->inUse, 1);
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-
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- cifs_unix_info_to_inode(inode, &find_data, 0);
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-
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- if (num_of_bytes < end_of_file)
|
|
|
- cFYI(1, ("allocation size less than end of file"));
|
|
|
- cFYI(1, ("Size %ld and blocks %llu",
|
|
|
- (unsigned long) inode->i_size,
|
|
|
- (unsigned long long)inode->i_blocks));
|
|
|
-
|
|
|
- cifs_set_ops(inode, is_dfs_referral);
|
|
|
-cgiiu_exit:
|
|
|
return rc;
|
|
|
}
|
|
|
|
|
|
-static int decode_sfu_inode(struct inode *inode, __u64 size,
|
|
|
- const unsigned char *path,
|
|
|
- struct cifs_sb_info *cifs_sb, int xid)
|
|
|
+static int
|
|
|
+cifs_sfu_type(struct cifs_fattr *fattr, const unsigned char *path,
|
|
|
+ struct cifs_sb_info *cifs_sb, int xid)
|
|
|
{
|
|
|
int rc;
|
|
|
int oplock = 0;
|
|
@@ -321,10 +284,15 @@ static int decode_sfu_inode(struct inode *inode, __u64 size,
|
|
|
|
|
|
pbuf = buf;
|
|
|
|
|
|
- if (size == 0) {
|
|
|
- inode->i_mode |= S_IFIFO;
|
|
|
+ fattr->cf_mode &= ~S_IFMT;
|
|
|
+
|
|
|
+ if (fattr->cf_eof == 0) {
|
|
|
+ fattr->cf_mode |= S_IFIFO;
|
|
|
+ fattr->cf_dtype = DT_FIFO;
|
|
|
return 0;
|
|
|
- } else if (size < 8) {
|
|
|
+ } else if (fattr->cf_eof < 8) {
|
|
|
+ fattr->cf_mode |= S_IFREG;
|
|
|
+ fattr->cf_dtype = DT_REG;
|
|
|
return -EINVAL; /* EOPNOTSUPP? */
|
|
|
}
|
|
|
|
|
@@ -336,42 +304,46 @@ static int decode_sfu_inode(struct inode *inode, __u64 size,
|
|
|
if (rc == 0) {
|
|
|
int buf_type = CIFS_NO_BUFFER;
|
|
|
/* Read header */
|
|
|
- rc = CIFSSMBRead(xid, pTcon,
|
|
|
- netfid,
|
|
|
+ rc = CIFSSMBRead(xid, pTcon, netfid,
|
|
|
24 /* length */, 0 /* offset */,
|
|
|
&bytes_read, &pbuf, &buf_type);
|
|
|
if ((rc == 0) && (bytes_read >= 8)) {
|
|
|
if (memcmp("IntxBLK", pbuf, 8) == 0) {
|
|
|
cFYI(1, ("Block device"));
|
|
|
- inode->i_mode |= S_IFBLK;
|
|
|
+ fattr->cf_mode |= S_IFBLK;
|
|
|
+ fattr->cf_dtype = DT_BLK;
|
|
|
if (bytes_read == 24) {
|
|
|
/* we have enough to decode dev num */
|
|
|
__u64 mjr; /* major */
|
|
|
__u64 mnr; /* minor */
|
|
|
mjr = le64_to_cpu(*(__le64 *)(pbuf+8));
|
|
|
mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
|
|
|
- inode->i_rdev = MKDEV(mjr, mnr);
|
|
|
+ fattr->cf_rdev = MKDEV(mjr, mnr);
|
|
|
}
|
|
|
} else if (memcmp("IntxCHR", pbuf, 8) == 0) {
|
|
|
cFYI(1, ("Char device"));
|
|
|
- inode->i_mode |= S_IFCHR;
|
|
|
+ fattr->cf_mode |= S_IFCHR;
|
|
|
+ fattr->cf_dtype = DT_CHR;
|
|
|
if (bytes_read == 24) {
|
|
|
/* we have enough to decode dev num */
|
|
|
__u64 mjr; /* major */
|
|
|
__u64 mnr; /* minor */
|
|
|
mjr = le64_to_cpu(*(__le64 *)(pbuf+8));
|
|
|
mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
|
|
|
- inode->i_rdev = MKDEV(mjr, mnr);
|
|
|
+ fattr->cf_rdev = MKDEV(mjr, mnr);
|
|
|
}
|
|
|
} else if (memcmp("IntxLNK", pbuf, 7) == 0) {
|
|
|
cFYI(1, ("Symlink"));
|
|
|
- inode->i_mode |= S_IFLNK;
|
|
|
+ fattr->cf_mode |= S_IFLNK;
|
|
|
+ fattr->cf_dtype = DT_LNK;
|
|
|
} else {
|
|
|
- inode->i_mode |= S_IFREG; /* file? */
|
|
|
+ fattr->cf_mode |= S_IFREG; /* file? */
|
|
|
+ fattr->cf_dtype = DT_REG;
|
|
|
rc = -EOPNOTSUPP;
|
|
|
}
|
|
|
} else {
|
|
|
- inode->i_mode |= S_IFREG; /* then it is a file */
|
|
|
+ fattr->cf_mode |= S_IFREG; /* then it is a file */
|
|
|
+ fattr->cf_dtype = DT_REG;
|
|
|
rc = -EOPNOTSUPP; /* or some unknown SFU type */
|
|
|
}
|
|
|
CIFSSMBClose(xid, pTcon, netfid);
|
|
@@ -381,9 +353,13 @@ static int decode_sfu_inode(struct inode *inode, __u64 size,
|
|
|
|
|
|
#define SFBITS_MASK (S_ISVTX | S_ISGID | S_ISUID) /* SETFILEBITS valid bits */
|
|
|
|
|
|
-static int get_sfu_mode(struct inode *inode,
|
|
|
- const unsigned char *path,
|
|
|
- struct cifs_sb_info *cifs_sb, int xid)
|
|
|
+/*
|
|
|
+ * Fetch mode bits as provided by SFU.
|
|
|
+ *
|
|
|
+ * FIXME: Doesn't this clobber the type bit we got from cifs_sfu_type ?
|
|
|
+ */
|
|
|
+static int cifs_sfu_mode(struct cifs_fattr *fattr, const unsigned char *path,
|
|
|
+ struct cifs_sb_info *cifs_sb, int xid)
|
|
|
{
|
|
|
#ifdef CONFIG_CIFS_XATTR
|
|
|
ssize_t rc;
|
|
@@ -391,68 +367,80 @@ static int get_sfu_mode(struct inode *inode,
|
|
|
__u32 mode;
|
|
|
|
|
|
rc = CIFSSMBQueryEA(xid, cifs_sb->tcon, path, "SETFILEBITS",
|
|
|
- ea_value, 4 /* size of buf */, cifs_sb->local_nls,
|
|
|
- cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
|
|
|
+ ea_value, 4 /* size of buf */, cifs_sb->local_nls,
|
|
|
+ cifs_sb->mnt_cifs_flags &
|
|
|
+ CIFS_MOUNT_MAP_SPECIAL_CHR);
|
|
|
if (rc < 0)
|
|
|
return (int)rc;
|
|
|
else if (rc > 3) {
|
|
|
mode = le32_to_cpu(*((__le32 *)ea_value));
|
|
|
- inode->i_mode &= ~SFBITS_MASK;
|
|
|
- cFYI(1, ("special bits 0%o org mode 0%o", mode, inode->i_mode));
|
|
|
- inode->i_mode = (mode & SFBITS_MASK) | inode->i_mode;
|
|
|
+ fattr->cf_mode &= ~SFBITS_MASK;
|
|
|
+ cFYI(1, ("special bits 0%o org mode 0%o", mode,
|
|
|
+ fattr->cf_mode));
|
|
|
+ fattr->cf_mode = (mode & SFBITS_MASK) | fattr->cf_mode;
|
|
|
cFYI(1, ("special mode bits 0%o", mode));
|
|
|
- return 0;
|
|
|
- } else {
|
|
|
- return 0;
|
|
|
}
|
|
|
+
|
|
|
+ return 0;
|
|
|
#else
|
|
|
return -EOPNOTSUPP;
|
|
|
#endif
|
|
|
}
|
|
|
|
|
|
-/*
|
|
|
- * Needed to setup inode data for the directory which is the
|
|
|
- * junction to the new submount (ie to setup the fake directory
|
|
|
- * which represents a DFS referral)
|
|
|
- */
|
|
|
-static void fill_fake_finddata(FILE_ALL_INFO *pfnd_dat,
|
|
|
- struct super_block *sb)
|
|
|
+/* Fill a cifs_fattr struct with info from FILE_ALL_INFO */
|
|
|
+void
|
|
|
+cifs_all_info_to_fattr(struct cifs_fattr *fattr, FILE_ALL_INFO *info,
|
|
|
+ struct cifs_sb_info *cifs_sb, bool adjust_tz)
|
|
|
{
|
|
|
- memset(pfnd_dat, 0, sizeof(FILE_ALL_INFO));
|
|
|
-
|
|
|
-/* __le64 pfnd_dat->AllocationSize = cpu_to_le64(0);
|
|
|
- __le64 pfnd_dat->EndOfFile = cpu_to_le64(0);
|
|
|
- __u8 pfnd_dat->DeletePending = 0;
|
|
|
- __u8 pfnd_data->Directory = 0;
|
|
|
- __le32 pfnd_dat->EASize = 0;
|
|
|
- __u64 pfnd_dat->IndexNumber = 0;
|
|
|
- __u64 pfnd_dat->IndexNumber1 = 0; */
|
|
|
- pfnd_dat->CreationTime =
|
|
|
- cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
|
|
|
- pfnd_dat->LastAccessTime =
|
|
|
- cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
|
|
|
- pfnd_dat->LastWriteTime =
|
|
|
- cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
|
|
|
- pfnd_dat->ChangeTime =
|
|
|
- cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
|
|
|
- pfnd_dat->Attributes = cpu_to_le32(ATTR_DIRECTORY);
|
|
|
- pfnd_dat->NumberOfLinks = cpu_to_le32(2);
|
|
|
+ memset(fattr, 0, sizeof(*fattr));
|
|
|
+ fattr->cf_cifsattrs = le32_to_cpu(info->Attributes);
|
|
|
+ if (info->DeletePending)
|
|
|
+ fattr->cf_flags |= CIFS_FATTR_DELETE_PENDING;
|
|
|
+
|
|
|
+ if (info->LastAccessTime)
|
|
|
+ fattr->cf_atime = cifs_NTtimeToUnix(info->LastAccessTime);
|
|
|
+ else
|
|
|
+ fattr->cf_atime = CURRENT_TIME;
|
|
|
+
|
|
|
+ fattr->cf_ctime = cifs_NTtimeToUnix(info->ChangeTime);
|
|
|
+ fattr->cf_mtime = cifs_NTtimeToUnix(info->LastWriteTime);
|
|
|
+
|
|
|
+ if (adjust_tz) {
|
|
|
+ fattr->cf_ctime.tv_sec += cifs_sb->tcon->ses->server->timeAdj;
|
|
|
+ fattr->cf_mtime.tv_sec += cifs_sb->tcon->ses->server->timeAdj;
|
|
|
+ }
|
|
|
+
|
|
|
+ fattr->cf_eof = le64_to_cpu(info->EndOfFile);
|
|
|
+ fattr->cf_bytes = le64_to_cpu(info->AllocationSize);
|
|
|
+
|
|
|
+ if (fattr->cf_cifsattrs & ATTR_DIRECTORY) {
|
|
|
+ fattr->cf_mode = S_IFDIR | cifs_sb->mnt_dir_mode;
|
|
|
+ fattr->cf_dtype = DT_DIR;
|
|
|
+ } else {
|
|
|
+ fattr->cf_mode = S_IFREG | cifs_sb->mnt_file_mode;
|
|
|
+ fattr->cf_dtype = DT_REG;
|
|
|
+
|
|
|
+ /* clear write bits if ATTR_READONLY is set */
|
|
|
+ if (fattr->cf_cifsattrs & ATTR_READONLY)
|
|
|
+ fattr->cf_mode &= ~(S_IWUGO);
|
|
|
+ }
|
|
|
+
|
|
|
+ fattr->cf_nlink = le32_to_cpu(info->NumberOfLinks);
|
|
|
+
|
|
|
+ fattr->cf_uid = cifs_sb->mnt_uid;
|
|
|
+ fattr->cf_gid = cifs_sb->mnt_gid;
|
|
|
}
|
|
|
|
|
|
int cifs_get_inode_info(struct inode **pinode,
|
|
|
const unsigned char *full_path, FILE_ALL_INFO *pfindData,
|
|
|
struct super_block *sb, int xid, const __u16 *pfid)
|
|
|
{
|
|
|
- int rc = 0;
|
|
|
- __u32 attr;
|
|
|
- struct cifsInodeInfo *cifsInfo;
|
|
|
+ int rc = 0, tmprc;
|
|
|
struct cifsTconInfo *pTcon;
|
|
|
- struct inode *inode;
|
|
|
struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
|
|
|
char *buf = NULL;
|
|
|
bool adjustTZ = false;
|
|
|
- bool is_dfs_referral = false;
|
|
|
- umode_t default_mode;
|
|
|
+ struct cifs_fattr fattr;
|
|
|
|
|
|
pTcon = cifs_sb->tcon;
|
|
|
cFYI(1, ("Getting info on %s", full_path));
|
|
@@ -487,163 +475,82 @@ int cifs_get_inode_info(struct inode **pinode,
|
|
|
adjustTZ = true;
|
|
|
}
|
|
|
}
|
|
|
- /* dump_mem("\nQPathInfo return data",&findData, sizeof(findData)); */
|
|
|
- if (rc == -EREMOTE) {
|
|
|
- is_dfs_referral = true;
|
|
|
- fill_fake_finddata(pfindData, sb);
|
|
|
+
|
|
|
+ if (!rc) {
|
|
|
+ cifs_all_info_to_fattr(&fattr, (FILE_ALL_INFO *) pfindData,
|
|
|
+ cifs_sb, adjustTZ);
|
|
|
+ } else if (rc == -EREMOTE) {
|
|
|
+ cifs_create_dfs_fattr(&fattr, sb);
|
|
|
rc = 0;
|
|
|
- } else if (rc)
|
|
|
+ } else {
|
|
|
goto cgii_exit;
|
|
|
+ }
|
|
|
|
|
|
- attr = le32_to_cpu(pfindData->Attributes);
|
|
|
-
|
|
|
- /* get new inode */
|
|
|
+ /*
|
|
|
+ * If an inode wasn't passed in, then get the inode number
|
|
|
+ *
|
|
|
+ * Is an i_ino of zero legal? Can we use that to check if the server
|
|
|
+ * supports returning inode numbers? Are there other sanity checks we
|
|
|
+ * can use to ensure that the server is really filling in that field?
|
|
|
+ *
|
|
|
+ * We can not use the IndexNumber field by default from Windows or
|
|
|
+ * Samba (in ALL_INFO buf) but we can request it explicitly. The SNIA
|
|
|
+ * CIFS spec claims that this value is unique within the scope of a
|
|
|
+ * share, and the windows docs hint that it's actually unique
|
|
|
+ * per-machine.
|
|
|
+ *
|
|
|
+ * There may be higher info levels that work but are there Windows
|
|
|
+ * server or network appliances for which IndexNumber field is not
|
|
|
+ * guaranteed unique?
|
|
|
+ */
|
|
|
if (*pinode == NULL) {
|
|
|
- __u64 inode_num;
|
|
|
- __u64 *pinum = &inode_num;
|
|
|
-
|
|
|
- /* Is an i_ino of zero legal? Can we use that to check
|
|
|
- if the server supports returning inode numbers? Are
|
|
|
- there other sanity checks we can use to ensure that
|
|
|
- the server is really filling in that field? */
|
|
|
-
|
|
|
- /* We can not use the IndexNumber field by default from
|
|
|
- Windows or Samba (in ALL_INFO buf) but we can request
|
|
|
- it explicitly. It may not be unique presumably if
|
|
|
- the server has multiple devices mounted under one share */
|
|
|
-
|
|
|
- /* There may be higher info levels that work but are
|
|
|
- there Windows server or network appliances for which
|
|
|
- IndexNumber field is not guaranteed unique? */
|
|
|
-
|
|
|
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) {
|
|
|
int rc1 = 0;
|
|
|
|
|
|
rc1 = CIFSGetSrvInodeNumber(xid, pTcon,
|
|
|
- full_path, pinum,
|
|
|
+ full_path, &fattr.cf_uniqueid,
|
|
|
cifs_sb->local_nls,
|
|
|
cifs_sb->mnt_cifs_flags &
|
|
|
CIFS_MOUNT_MAP_SPECIAL_CHR);
|
|
|
if (rc1) {
|
|
|
- cFYI(1, ("GetSrvInodeNum rc %d", rc1));
|
|
|
- pinum = NULL;
|
|
|
/* BB EOPNOSUPP disable SERVER_INUM? */
|
|
|
+ cFYI(1, ("GetSrvInodeNum rc %d", rc1));
|
|
|
+ fattr.cf_uniqueid = iunique(sb, ROOT_I);
|
|
|
}
|
|
|
} else {
|
|
|
- pinum = NULL;
|
|
|
- }
|
|
|
-
|
|
|
- *pinode = cifs_new_inode(sb, pinum);
|
|
|
- if (*pinode == NULL) {
|
|
|
- rc = -ENOMEM;
|
|
|
- goto cgii_exit;
|
|
|
+ fattr.cf_uniqueid = iunique(sb, ROOT_I);
|
|
|
}
|
|
|
- }
|
|
|
- inode = *pinode;
|
|
|
- cifsInfo = CIFS_I(inode);
|
|
|
- cifsInfo->cifsAttrs = attr;
|
|
|
- cifsInfo->delete_pending = pfindData->DeletePending ? true : false;
|
|
|
- cFYI(1, ("Old time %ld", cifsInfo->time));
|
|
|
- cifsInfo->time = jiffies;
|
|
|
- cFYI(1, ("New time %ld", cifsInfo->time));
|
|
|
-
|
|
|
- /* blksize needs to be multiple of two. So safer to default to
|
|
|
- blksize and blkbits set in superblock so 2**blkbits and blksize
|
|
|
- will match rather than setting to:
|
|
|
- (pTcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE) & 0xFFFFFE00;*/
|
|
|
-
|
|
|
- /* Linux can not store file creation time so ignore it */
|
|
|
- if (pfindData->LastAccessTime)
|
|
|
- inode->i_atime = cifs_NTtimeToUnix(pfindData->LastAccessTime);
|
|
|
- else /* do not need to use current_fs_time - time not stored */
|
|
|
- inode->i_atime = CURRENT_TIME;
|
|
|
- inode->i_mtime = cifs_NTtimeToUnix(pfindData->LastWriteTime);
|
|
|
- inode->i_ctime = cifs_NTtimeToUnix(pfindData->ChangeTime);
|
|
|
- cFYI(DBG2, ("Attributes came in as 0x%x", attr));
|
|
|
- if (adjustTZ && (pTcon->ses) && (pTcon->ses->server)) {
|
|
|
- inode->i_ctime.tv_sec += pTcon->ses->server->timeAdj;
|
|
|
- inode->i_mtime.tv_sec += pTcon->ses->server->timeAdj;
|
|
|
- }
|
|
|
-
|
|
|
- /* get default inode mode */
|
|
|
- if (attr & ATTR_DIRECTORY)
|
|
|
- default_mode = cifs_sb->mnt_dir_mode;
|
|
|
- else
|
|
|
- default_mode = cifs_sb->mnt_file_mode;
|
|
|
-
|
|
|
- /* set permission bits */
|
|
|
- if (atomic_read(&cifsInfo->inUse) == 0 ||
|
|
|
- (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM) == 0)
|
|
|
- inode->i_mode = default_mode;
|
|
|
- else {
|
|
|
- /* just reenable write bits if !ATTR_READONLY */
|
|
|
- if ((inode->i_mode & S_IWUGO) == 0 &&
|
|
|
- (attr & ATTR_READONLY) == 0)
|
|
|
- inode->i_mode |= (S_IWUGO & default_mode);
|
|
|
-
|
|
|
- inode->i_mode &= ~S_IFMT;
|
|
|
- }
|
|
|
- /* clear write bits if ATTR_READONLY is set */
|
|
|
- if (attr & ATTR_READONLY)
|
|
|
- inode->i_mode &= ~S_IWUGO;
|
|
|
-
|
|
|
- /* set inode type */
|
|
|
- if ((attr & ATTR_SYSTEM) &&
|
|
|
- (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL)) {
|
|
|
- /* no need to fix endianness on 0 */
|
|
|
- if (pfindData->EndOfFile == 0)
|
|
|
- inode->i_mode |= S_IFIFO;
|
|
|
- else if (decode_sfu_inode(inode,
|
|
|
- le64_to_cpu(pfindData->EndOfFile),
|
|
|
- full_path, cifs_sb, xid))
|
|
|
- cFYI(1, ("unknown SFU file type\n"));
|
|
|
} else {
|
|
|
- if (attr & ATTR_DIRECTORY)
|
|
|
- inode->i_mode |= S_IFDIR;
|
|
|
- else
|
|
|
- inode->i_mode |= S_IFREG;
|
|
|
+ fattr.cf_uniqueid = CIFS_I(*pinode)->uniqueid;
|
|
|
}
|
|
|
|
|
|
- cifsInfo->server_eof = le64_to_cpu(pfindData->EndOfFile);
|
|
|
- spin_lock(&inode->i_lock);
|
|
|
- if (is_size_safe_to_change(cifsInfo, cifsInfo->server_eof)) {
|
|
|
- /* can not safely shrink the file size here if the
|
|
|
- client is writing to it due to potential races */
|
|
|
- i_size_write(inode, cifsInfo->server_eof);
|
|
|
-
|
|
|
- /* 512 bytes (2**9) is the fake blocksize that must be
|
|
|
- used for this calculation */
|
|
|
- inode->i_blocks = (512 - 1 + le64_to_cpu(
|
|
|
- pfindData->AllocationSize)) >> 9;
|
|
|
+ /* query for SFU type info if supported and needed */
|
|
|
+ if (fattr.cf_cifsattrs & ATTR_SYSTEM &&
|
|
|
+ cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) {
|
|
|
+ tmprc = cifs_sfu_type(&fattr, full_path, cifs_sb, xid);
|
|
|
+ if (tmprc)
|
|
|
+ cFYI(1, ("cifs_sfu_type failed: %d", tmprc));
|
|
|
}
|
|
|
- spin_unlock(&inode->i_lock);
|
|
|
|
|
|
- inode->i_nlink = le32_to_cpu(pfindData->NumberOfLinks);
|
|
|
-
|
|
|
- /* BB fill in uid and gid here? with help from winbind?
|
|
|
- or retrieve from NTFS stream extended attribute */
|
|
|
#ifdef CONFIG_CIFS_EXPERIMENTAL
|
|
|
/* fill in 0777 bits from ACL */
|
|
|
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) {
|
|
|
cFYI(1, ("Getting mode bits from ACL"));
|
|
|
- acl_to_uid_mode(cifs_sb, inode, full_path, pfid);
|
|
|
+ cifs_acl_to_fattr(cifs_sb, &fattr, *pinode, full_path, pfid);
|
|
|
}
|
|
|
#endif
|
|
|
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) {
|
|
|
- /* fill in remaining high mode bits e.g. SUID, VTX */
|
|
|
- get_sfu_mode(inode, full_path, cifs_sb, xid);
|
|
|
- } else if (atomic_read(&cifsInfo->inUse) == 0) {
|
|
|
- inode->i_uid = cifs_sb->mnt_uid;
|
|
|
- inode->i_gid = cifs_sb->mnt_gid;
|
|
|
- /* set so we do not keep refreshing these fields with
|
|
|
- bad data after user has changed them in memory */
|
|
|
- atomic_set(&cifsInfo->inUse, 1);
|
|
|
- }
|
|
|
-
|
|
|
- cifs_set_ops(inode, is_dfs_referral);
|
|
|
-
|
|
|
|
|
|
+ /* fill in remaining high mode bits e.g. SUID, VTX */
|
|
|
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL)
|
|
|
+ cifs_sfu_mode(&fattr, full_path, cifs_sb, xid);
|
|
|
|
|
|
+ if (!*pinode) {
|
|
|
+ *pinode = cifs_iget(sb, &fattr);
|
|
|
+ if (!*pinode)
|
|
|
+ rc = -ENOMEM;
|
|
|
+ } else {
|
|
|
+ cifs_fattr_to_inode(*pinode, &fattr);
|
|
|
+ }
|
|
|
|
|
|
cgii_exit:
|
|
|
kfree(buf);
|
|
@@ -695,33 +602,78 @@ char *cifs_build_path_to_root(struct cifs_sb_info *cifs_sb)
|
|
|
return full_path;
|
|
|
}
|
|
|
|
|
|
+static int
|
|
|
+cifs_find_inode(struct inode *inode, void *opaque)
|
|
|
+{
|
|
|
+ struct cifs_fattr *fattr = (struct cifs_fattr *) opaque;
|
|
|
+
|
|
|
+ if (CIFS_I(inode)->uniqueid != fattr->cf_uniqueid)
|
|
|
+ return 0;
|
|
|
+
|
|
|
+ return 1;
|
|
|
+}
|
|
|
+
|
|
|
+static int
|
|
|
+cifs_init_inode(struct inode *inode, void *opaque)
|
|
|
+{
|
|
|
+ struct cifs_fattr *fattr = (struct cifs_fattr *) opaque;
|
|
|
+
|
|
|
+ CIFS_I(inode)->uniqueid = fattr->cf_uniqueid;
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+/* Given fattrs, get a corresponding inode */
|
|
|
+struct inode *
|
|
|
+cifs_iget(struct super_block *sb, struct cifs_fattr *fattr)
|
|
|
+{
|
|
|
+ unsigned long hash;
|
|
|
+ struct inode *inode;
|
|
|
+
|
|
|
+ cFYI(1, ("looking for uniqueid=%llu", fattr->cf_uniqueid));
|
|
|
+
|
|
|
+ /* hash down to 32-bits on 32-bit arch */
|
|
|
+ hash = cifs_uniqueid_to_ino_t(fattr->cf_uniqueid);
|
|
|
+
|
|
|
+ inode = iget5_locked(sb, hash, cifs_find_inode, cifs_init_inode, fattr);
|
|
|
+
|
|
|
+ /* we have fattrs in hand, update the inode */
|
|
|
+ if (inode) {
|
|
|
+ cifs_fattr_to_inode(inode, fattr);
|
|
|
+ if (sb->s_flags & MS_NOATIME)
|
|
|
+ inode->i_flags |= S_NOATIME | S_NOCMTIME;
|
|
|
+ if (inode->i_state & I_NEW) {
|
|
|
+ inode->i_ino = hash;
|
|
|
+ unlock_new_inode(inode);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return inode;
|
|
|
+}
|
|
|
+
|
|
|
/* gets root inode */
|
|
|
struct inode *cifs_root_iget(struct super_block *sb, unsigned long ino)
|
|
|
{
|
|
|
int xid;
|
|
|
struct cifs_sb_info *cifs_sb;
|
|
|
- struct inode *inode;
|
|
|
+ struct inode *inode = NULL;
|
|
|
long rc;
|
|
|
char *full_path;
|
|
|
|
|
|
- inode = iget_locked(sb, ino);
|
|
|
- if (!inode)
|
|
|
- return ERR_PTR(-ENOMEM);
|
|
|
- if (!(inode->i_state & I_NEW))
|
|
|
- return inode;
|
|
|
-
|
|
|
- cifs_sb = CIFS_SB(inode->i_sb);
|
|
|
+ cifs_sb = CIFS_SB(sb);
|
|
|
full_path = cifs_build_path_to_root(cifs_sb);
|
|
|
if (full_path == NULL)
|
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
|
|
xid = GetXid();
|
|
|
if (cifs_sb->tcon->unix_ext)
|
|
|
- rc = cifs_get_inode_info_unix(&inode, full_path, inode->i_sb,
|
|
|
- xid);
|
|
|
+ rc = cifs_get_inode_info_unix(&inode, full_path, sb, xid);
|
|
|
else
|
|
|
- rc = cifs_get_inode_info(&inode, full_path, NULL, inode->i_sb,
|
|
|
+ rc = cifs_get_inode_info(&inode, full_path, NULL, sb,
|
|
|
xid, NULL);
|
|
|
+
|
|
|
+ if (!inode)
|
|
|
+ return ERR_PTR(-ENOMEM);
|
|
|
+
|
|
|
if (rc && cifs_sb->tcon->ipc) {
|
|
|
cFYI(1, ("ipc connection - fake read inode"));
|
|
|
inode->i_mode |= S_IFDIR;
|
|
@@ -737,7 +689,6 @@ struct inode *cifs_root_iget(struct super_block *sb, unsigned long ino)
|
|
|
return ERR_PTR(rc);
|
|
|
}
|
|
|
|
|
|
- unlock_new_inode(inode);
|
|
|
|
|
|
kfree(full_path);
|
|
|
/* can not call macro FreeXid here since in a void func
|
|
@@ -1063,44 +1014,6 @@ out_reval:
|
|
|
return rc;
|
|
|
}
|
|
|
|
|
|
-void posix_fill_in_inode(struct inode *tmp_inode,
|
|
|
- FILE_UNIX_BASIC_INFO *pData, int isNewInode)
|
|
|
-{
|
|
|
- struct cifsInodeInfo *cifsInfo = CIFS_I(tmp_inode);
|
|
|
- loff_t local_size;
|
|
|
- struct timespec local_mtime;
|
|
|
-
|
|
|
- cifsInfo->time = jiffies;
|
|
|
- atomic_inc(&cifsInfo->inUse);
|
|
|
-
|
|
|
- /* save mtime and size */
|
|
|
- local_mtime = tmp_inode->i_mtime;
|
|
|
- local_size = tmp_inode->i_size;
|
|
|
-
|
|
|
- cifs_unix_info_to_inode(tmp_inode, pData, 1);
|
|
|
- cifs_set_ops(tmp_inode, false);
|
|
|
-
|
|
|
- if (!S_ISREG(tmp_inode->i_mode))
|
|
|
- return;
|
|
|
-
|
|
|
- /*
|
|
|
- * No sense invalidating pages for new inode
|
|
|
- * since we we have not started caching
|
|
|
- * readahead file data yet.
|
|
|
- */
|
|
|
- if (isNewInode)
|
|
|
- return;
|
|
|
-
|
|
|
- if (timespec_equal(&tmp_inode->i_mtime, &local_mtime) &&
|
|
|
- (local_size == tmp_inode->i_size)) {
|
|
|
- cFYI(1, ("inode exists but unchanged"));
|
|
|
- } else {
|
|
|
- /* file may have changed on server */
|
|
|
- cFYI(1, ("invalidate inode, readdir detected change"));
|
|
|
- invalidate_remote_inode(tmp_inode);
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode)
|
|
|
{
|
|
|
int rc = 0, tmprc;
|
|
@@ -1109,6 +1022,7 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode)
|
|
|
struct cifsTconInfo *pTcon;
|
|
|
char *full_path = NULL;
|
|
|
struct inode *newinode = NULL;
|
|
|
+ struct cifs_fattr fattr;
|
|
|
|
|
|
cFYI(1, ("In cifs_mkdir, mode = 0x%x inode = 0x%p", mode, inode));
|
|
|
|
|
@@ -1148,7 +1062,6 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode)
|
|
|
cFYI(1, ("posix mkdir returned 0x%x", rc));
|
|
|
d_drop(direntry);
|
|
|
} else {
|
|
|
- __u64 unique_id;
|
|
|
if (pInfo->Type == cpu_to_le32(-1)) {
|
|
|
/* no return info, go query for it */
|
|
|
kfree(pInfo);
|
|
@@ -1162,20 +1075,15 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode)
|
|
|
else
|
|
|
direntry->d_op = &cifs_dentry_ops;
|
|
|
|
|
|
- unique_id = le64_to_cpu(pInfo->UniqueId);
|
|
|
- newinode = cifs_new_inode(inode->i_sb, &unique_id);
|
|
|
- if (newinode == NULL) {
|
|
|
+ cifs_unix_basic_to_fattr(&fattr, pInfo, cifs_sb);
|
|
|
+ newinode = cifs_iget(inode->i_sb, &fattr);
|
|
|
+ if (!newinode) {
|
|
|
kfree(pInfo);
|
|
|
goto mkdir_get_info;
|
|
|
}
|
|
|
|
|
|
- newinode->i_nlink = 2;
|
|
|
d_instantiate(direntry, newinode);
|
|
|
|
|
|
- /* we already checked in POSIXCreate whether
|
|
|
- frame was long enough */
|
|
|
- posix_fill_in_inode(direntry->d_inode,
|
|
|
- pInfo, 1 /* NewInode */);
|
|
|
#ifdef CONFIG_CIFS_DEBUG2
|
|
|
cFYI(1, ("instantiated dentry %p %s to inode %p",
|
|
|
direntry, direntry->d_name.name, newinode));
|
|
@@ -1238,10 +1146,10 @@ mkdir_get_info:
|
|
|
args.uid = NO_CHANGE_64;
|
|
|
args.gid = NO_CHANGE_64;
|
|
|
}
|
|
|
- CIFSSMBUnixSetInfo(xid, pTcon, full_path, &args,
|
|
|
- cifs_sb->local_nls,
|
|
|
- cifs_sb->mnt_cifs_flags &
|
|
|
- CIFS_MOUNT_MAP_SPECIAL_CHR);
|
|
|
+ CIFSSMBUnixSetPathInfo(xid, pTcon, full_path, &args,
|
|
|
+ cifs_sb->local_nls,
|
|
|
+ cifs_sb->mnt_cifs_flags &
|
|
|
+ CIFS_MOUNT_MAP_SPECIAL_CHR);
|
|
|
} else {
|
|
|
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) &&
|
|
|
(mode & S_IWUGO) == 0) {
|
|
@@ -1622,6 +1530,7 @@ int cifs_getattr(struct vfsmount *mnt, struct dentry *dentry,
|
|
|
if (!err) {
|
|
|
generic_fillattr(dentry->d_inode, stat);
|
|
|
stat->blksize = CIFS_MAX_MSGSIZE;
|
|
|
+ stat->ino = CIFS_I(dentry->d_inode)->uniqueid;
|
|
|
}
|
|
|
return err;
|
|
|
}
|
|
@@ -1786,6 +1695,7 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs)
|
|
|
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
|
|
|
struct cifsTconInfo *pTcon = cifs_sb->tcon;
|
|
|
struct cifs_unix_set_info_args *args = NULL;
|
|
|
+ struct cifsFileInfo *open_file;
|
|
|
|
|
|
cFYI(1, ("setattr_unix on file %s attrs->ia_valid=0x%x",
|
|
|
direntry->d_name.name, attrs->ia_valid));
|
|
@@ -1872,10 +1782,18 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs)
|
|
|
args->ctime = NO_CHANGE_64;
|
|
|
|
|
|
args->device = 0;
|
|
|
- rc = CIFSSMBUnixSetInfo(xid, pTcon, full_path, args,
|
|
|
- cifs_sb->local_nls,
|
|
|
- cifs_sb->mnt_cifs_flags &
|
|
|
- CIFS_MOUNT_MAP_SPECIAL_CHR);
|
|
|
+ open_file = find_writable_file(cifsInode);
|
|
|
+ if (open_file) {
|
|
|
+ u16 nfid = open_file->netfid;
|
|
|
+ u32 npid = open_file->pid;
|
|
|
+ rc = CIFSSMBUnixSetFileInfo(xid, pTcon, args, nfid, npid);
|
|
|
+ atomic_dec(&open_file->wrtPending);
|
|
|
+ } else {
|
|
|
+ rc = CIFSSMBUnixSetPathInfo(xid, pTcon, full_path, args,
|
|
|
+ cifs_sb->local_nls,
|
|
|
+ cifs_sb->mnt_cifs_flags &
|
|
|
+ CIFS_MOUNT_MAP_SPECIAL_CHR);
|
|
|
+ }
|
|
|
|
|
|
if (!rc)
|
|
|
rc = inode_setattr(inode, attrs);
|