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| author | Ronnie Sahlberg <lsahlber@redhat.com> | 2022-08-31 12:49:43 +1000 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2022-10-05 01:33:53 -0500 |
| commit | 47fc2491e108f253cf963c50acc59a74d34c7f2b (patch) | |
| tree | 7453c54b710229c2c2721093bad742b82fd7c054 /fs/cifs | |
| parent | aea6794e664a07324288f3d3484b950922baeebd (diff) | |
| download | linux-47fc2491e108f253cf963c50acc59a74d34c7f2b.tar.gz linux-47fc2491e108f253cf963c50acc59a74d34c7f2b.tar.bz2 linux-47fc2491e108f253cf963c50acc59a74d34c7f2b.zip | |
cifs: improve handlecaching
Only track the dentry for the root handle
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/cached_dir.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/cifs/cached_dir.c b/fs/cifs/cached_dir.c index 88d117ddb630..211f630cd876 100644 --- a/fs/cifs/cached_dir.c +++ b/fs/cifs/cached_dir.c @@ -47,11 +47,11 @@ int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon, if (cifs_sb->root == NULL) return -ENOENT; - if (strlen(path)) + if (!path[0]) + dentry = cifs_sb->root; + else return -ENOENT; - dentry = cifs_sb->root; - cfid = &tcon->cfids->cfid; mutex_lock(&cfid->fid_mutex); if (cfid->is_valid) { @@ -177,7 +177,8 @@ int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon, cfid->tcon = tcon; cfid->is_valid = true; cfid->dentry = dentry; - dget(dentry); + if (dentry) + dget(dentry); kref_init(&cfid->refcount); /* BB TBD check to see if oplock level check can be removed below */ |