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| author |   Steven Whitehouse <swhiteho@redhat.com> | 2006-02-21 12:51:39 +0000 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-02-21 12:51:39 +0000 |
| commit | f55ab26a8f92a23988c3e6da28dae4741933a4e2 (patch) | |
| tree | b6f9e89ce1b2ccde8d81314aeea06f6a02f882f7 /fs/gfs2/rgrp.c | |
| parent | [GFS2] Fix a case where we didn't get unstuffing right (diff) | |
| download | linux-dev-f55ab26a8f92a23988c3e6da28dae4741933a4e2.tar.xz linux-dev-f55ab26a8f92a23988c3e6da28dae4741933a4e2.zip | |
[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>
Diffstat (limited to 'fs/gfs2/rgrp.c')
| -rw-r--r-- | fs/gfs2/rgrp.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index 758cc565813a..2e69e5cda967 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -182,9 +182,9 @@ static void clear_rgrpdi(struct gfs2_sbd *sdp) void gfs2_clear_rgrpd(struct gfs2_sbd *sdp) { - down(&sdp->sd_rindex_mutex); + mutex_lock(&sdp->sd_rindex_mutex); clear_rgrpdi(sdp); - up(&sdp->sd_rindex_mutex); + mutex_unlock(&sdp->sd_rindex_mutex); } /** @@ -301,7 +301,7 @@ static int gfs2_ri_update(struct gfs2_inode *ip) if (!rgd) goto fail; - init_MUTEX(&rgd->rd_mutex); + mutex_init(&rgd->rd_mutex); lops_init_le(&rgd->rd_le, &gfs2_rg_lops); rgd->rd_sbd = sdp; @@ -363,13 +363,13 @@ int gfs2_rindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ri_gh) /* Read new copy from disk if we don't have the latest */ if (sdp->sd_rindex_vn != gl->gl_vn) { - down(&sdp->sd_rindex_mutex); + mutex_lock(&sdp->sd_rindex_mutex); if (sdp->sd_rindex_vn != gl->gl_vn) { error = gfs2_ri_update(ip); if (error) gfs2_glock_dq_uninit(ri_gh); } - up(&sdp->sd_rindex_mutex); + mutex_unlock(&sdp->sd_rindex_mutex); } return error; @@ -394,13 +394,13 @@ int gfs2_rgrp_bh_get(struct gfs2_rgrpd *rgd) unsigned int x, y; int error; - down(&rgd->rd_mutex); + mutex_lock(&rgd->rd_mutex); spin_lock(&sdp->sd_rindex_spin); if (rgd->rd_bh_count) { rgd->rd_bh_count++; spin_unlock(&sdp->sd_rindex_spin); - up(&rgd->rd_mutex); + mutex_unlock(&rgd->rd_mutex); return 0; } spin_unlock(&sdp->sd_rindex_spin); @@ -436,7 +436,7 @@ int gfs2_rgrp_bh_get(struct gfs2_rgrpd *rgd) rgd->rd_bh_count++; spin_unlock(&sdp->sd_rindex_spin); - up(&rgd->rd_mutex); + mutex_unlock(&rgd->rd_mutex); return 0; @@ -447,7 +447,7 @@ int gfs2_rgrp_bh_get(struct gfs2_rgrpd *rgd) bi->bi_bh = NULL; gfs2_assert_warn(sdp, !bi->bi_clone); } - up(&rgd->rd_mutex); + mutex_unlock(&rgd->rd_mutex); return error; } |