diff options
Diffstat (limited to 'fs/cifs/readdir.c')
| -rw-r--r-- | fs/cifs/readdir.c | 45 |
1 files changed, 12 insertions, 33 deletions
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index 42ef03be089..b15862e0f68 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -134,22 +134,6 @@ out: dput(dentry); } -/* - * Is it possible that this directory might turn out to be a DFS referral - * once we go to try and use it? - */ -static bool -cifs_dfs_is_possible(struct cifs_sb_info *cifs_sb) -{ -#ifdef CONFIG_CIFS_DFS_UPCALL - struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb); - - if (tcon->Flags & SMB_SHARE_IS_IN_DFS) - return true; -#endif - return false; -} - static void cifs_fill_common_info(struct cifs_fattr *fattr, struct cifs_sb_info *cifs_sb) { @@ -159,27 +143,22 @@ cifs_fill_common_info(struct cifs_fattr *fattr, struct cifs_sb_info *cifs_sb) if (fattr->cf_cifsattrs & ATTR_DIRECTORY) { fattr->cf_mode = S_IFDIR | cifs_sb->mnt_dir_mode; fattr->cf_dtype = DT_DIR; - /* - * Windows CIFS servers generally make DFS referrals look - * like directories in FIND_* responses with the reparse - * attribute flag also set (since DFS junctions are - * reparse points). We must revalidate at least these - * directory inodes before trying to use them (if - * they are DFS we will get PATH_NOT_COVERED back - * when queried directly and can then try to connect - * to the DFS target) - */ - if (cifs_dfs_is_possible(cifs_sb) && - (fattr->cf_cifsattrs & ATTR_REPARSE)) - fattr->cf_flags |= CIFS_FATTR_NEED_REVAL; - } else if (fattr->cf_cifsattrs & ATTR_REPARSE) { - fattr->cf_mode = S_IFLNK; - fattr->cf_dtype = DT_LNK; } else { fattr->cf_mode = S_IFREG | cifs_sb->mnt_file_mode; fattr->cf_dtype = DT_REG; } + /* + * We need to revalidate it further to make a decision about whether it + * is a symbolic link, DFS referral or a reparse point with a direct + * access like junctions, deduplicated files, NFS symlinks. + */ + if (fattr->cf_cifsattrs & ATTR_REPARSE) + fattr->cf_flags |= CIFS_FATTR_NEED_REVAL; + + /* non-unix readdir doesn't provide nlink */ + fattr->cf_flags |= CIFS_FATTR_UNKNOWN_NLINK; + if (fattr->cf_cifsattrs & ATTR_READONLY) fattr->cf_mode &= ~S_IWUGO; @@ -770,7 +749,7 @@ static int cifs_filldir(char *find_entry, struct file *file, } if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MF_SYMLINKS) && - CIFSCouldBeMFSymlink(&fattr)) + couldbe_mf_symlink(&fattr)) /* * trying to get the type and mode can be slow, * so just call those regular files for now, and mark |