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>
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index e958d94..4cd68c7 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -937,7 +937,7 @@
struct cifsInodeInfo *cifsi = inode;
inode_init_once(&cifsi->vfs_inode);
- mutex_init(&cifsi->lock_mutex);
+ init_rwsem(&cifsi->lock_sem);
}
static int