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[GFS2] Use mutices rather than semaphores

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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>
This commit is contained in:
Steven Whitehouse
2006-02-21 12:51:39 +00:00
parent 5c4e9e0366
commit f55ab26a8f
17 changed files with 118 additions and 118 deletions
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12
fs/gfs2/inode.c
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@@ -782,11 +782,11 @@ static int pick_formal_ino_1(struct gfs2_sbd *sdp, uint64_t *formal_ino)
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 @@ static int pick_formal_ino_1(struct gfs2_sbd *sdp, uint64_t *formal_ino)
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 @@ static int pick_formal_ino_2(struct gfs2_sbd *sdp, uint64_t *formal_ino)
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 @@ static int pick_formal_ino_2(struct gfs2_sbd *sdp, uint64_t *formal_ino)
brelse(bh);
out_end_trans:
up(&sdp->sd_inum_mutex);
mutex_unlock(&sdp->sd_inum_mutex);
gfs2_trans_end(sdp);
out: