[GFS2] Use mutices rather than semaphores

As well as a number of minor bug fixes, this patch changes GFS
to use mutices rather than semaphores. This results in better
information in case there are any locking problems.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

1 files changed, 0 insertions, 3 deletions

diff --git a/fs/gfs2/log.h b/fs/gfs2/log.h
index 4413cda81154..e7a6a65c530f 100644
--- a/fs/gfs2/log.h
+++ b/fs/gfs2/log.h
@@ -42,9 +42,6 @@ static inline void gfs2_log_pointers_init(struct gfs2_sbd *sdp,
         sdp->sd_log_head = sdp->sd_log_tail = value;
 }
 
-void gfs2_lock_for_flush(struct gfs2_sbd *sdp);
-void gfs2_unlock_from_flush(struct gfs2_sbd *sdp);
-
 unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct,
                             unsigned int ssize);