diff options
| author | Pavel Shilovsky <pshilovsky@etersoft.ru> | 2012-09-19 15:22:44 +0200 |
|---|---|---|
| committer | Steve French <smfrench@gmail.com> | 2012-09-25 04:46:33 +0200 |
| commit | 1b4b55a1d9404f51aacf1ff19887eb911484057d (patch) | |
| tree | e2909277cc8db445c1d839c4859449a32cbfc08a /fs/cifs/cifsglob.h | |
| parent | CIFS: Use brlock cache for SMB2 (diff) | |
| download | linux-1b4b55a1d9404f51aacf1ff19887eb911484057d.tar.xz linux-1b4b55a1d9404f51aacf1ff19887eb911484057d.zip | |
CIFS: Turn lock mutex into rw semaphore
and allow several processes to walk through the lock list and read
can_cache_brlcks value if they are not going to modify them.
Signed-off-by: Pavel Shilovsky <pshilovsky@etersoft.ru>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/cifsglob.h')
| -rw-r--r-- | fs/cifs/cifsglob.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index d3c72713fec4..e2492e1cdb85 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -1000,7 +1000,7 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file); struct cifsInodeInfo { bool can_cache_brlcks; struct list_head llist; /* locks helb by this inode */ - struct mutex lock_mutex; /* protect the fields above */ + struct rw_semaphore lock_sem; /* protect the fields above */ /* BB add in lists for dirty pages i.e. write caching info for oplock */ struct list_head openFileList; __u32 cifsAttrs; /* e.g. DOS archive bit, sparse, compressed, system */ |