[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>
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 2a00b96..30ca82a 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -782,11 +782,11 @@
error = gfs2_trans_begin(sdp, RES_DINODE, 0);
if (error)
return error;
- down(&sdp->sd_inum_mutex);
+ mutex_lock(&sdp->sd_inum_mutex);
error = gfs2_meta_inode_buffer(ip, &bh);
if (error) {
- up(&sdp->sd_inum_mutex);
+ mutex_unlock(&sdp->sd_inum_mutex);
gfs2_trans_end(sdp);
return error;
}
@@ -800,14 +800,14 @@
gfs2_inum_range_out(&ir,
bh->b_data + sizeof(struct gfs2_dinode));
brelse(bh);
- up(&sdp->sd_inum_mutex);
+ mutex_unlock(&sdp->sd_inum_mutex);
gfs2_trans_end(sdp);
return 0;
}
brelse(bh);
- up(&sdp->sd_inum_mutex);
+ mutex_unlock(&sdp->sd_inum_mutex);
gfs2_trans_end(sdp);
return 1;
@@ -829,7 +829,7 @@
error = gfs2_trans_begin(sdp, 2 * RES_DINODE, 0);
if (error)
goto out;
- down(&sdp->sd_inum_mutex);
+ mutex_lock(&sdp->sd_inum_mutex);
error = gfs2_meta_inode_buffer(ip, &bh);
if (error)
@@ -869,7 +869,7 @@
brelse(bh);
out_end_trans:
- up(&sdp->sd_inum_mutex);
+ mutex_unlock(&sdp->sd_inum_mutex);
gfs2_trans_end(sdp);
out: