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| author | Ronnie Sahlberg <lsahlber@redhat.com> | 2022-05-10 09:42:07 +1000 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2022-05-24 14:33:11 -0500 |
| commit | d87c48ce4d8951f46d21f17ea86bba8853049862 (patch) | |
| tree | 9d5b70fa32e36691fecab1cf6e45657c78eb92e4 /fs/cifs/smb2ops.c | |
| parent | 5752bf645f9dd7db600651f726eb04a97c9f597f (diff) | |
| download | linux-stable-d87c48ce4d8951f46d21f17ea86bba8853049862.tar.gz linux-stable-d87c48ce4d8951f46d21f17ea86bba8853049862.tar.bz2 linux-stable-d87c48ce4d8951f46d21f17ea86bba8853049862.zip | |
cifs: cache the dirents for entries in a cached directory
This adds caching of the directory entries for a cached directory while we keep
a lease on the directory.
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Reviewed-by: Enzo Matsumiya <ematsumiya@suse.de>
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/smb2ops.c')
| -rw-r--r-- | fs/cifs/smb2ops.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index ed2f8a69658d..7e2c86e0cede 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -699,6 +699,7 @@ smb2_close_cached_fid(struct kref *ref) { struct cached_fid *cfid = container_of(ref, struct cached_fid, refcount); + struct cached_dirent *dirent, *q; if (cfid->is_valid) { cifs_dbg(FYI, "clear cached root file handle\n"); @@ -718,6 +719,21 @@ smb2_close_cached_fid(struct kref *ref) dput(cfid->dentry); cfid->dentry = NULL; } + /* + * Delete all cached dirent names + */ + mutex_lock(&cfid->dirents.de_mutex); + list_for_each_entry_safe(dirent, q, &cfid->dirents.entries, entry) { + list_del(&dirent->entry); + kfree(dirent->name); + kfree(dirent); + } + cfid->dirents.is_valid = 0; + cfid->dirents.is_failed = 0; + cfid->dirents.ctx = NULL; + cfid->dirents.pos = 0; + mutex_unlock(&cfid->dirents.de_mutex); + } void close_cached_dir(struct cached_fid *cfid) |