diff options
| author | Bob Peterson <rpeterso@redhat.com> | 2008-01-31 10:31:39 -0600 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2008-03-31 10:40:29 +0100 |
| commit | cf45b752c9f23939e40d823b0600bf876e97b0e0 (patch) | |
| tree | e37042a2e1437a81a32bd2bf069b4e714deb3411 /fs/gfs2/rgrp.c | |
| parent | da755fdb414470d6dce3df12ad188de9131cf96c (diff) | |
| download | linux-cf45b752c9f23939e40d823b0600bf876e97b0e0.tar.gz | |
[GFS2] Remove rgrp and glock version numbers
This patch further reduces GFS2's memory requirements by eliminating the 64-bit version number fields in lieu of a couple bits. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/rgrp.c')
| -rw-r--r-- | fs/gfs2/rgrp.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index 5fd87104e595..3f10b1fafd66 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -540,7 +540,7 @@ static int read_rindex_entry(struct gfs2_inode *ip, return error; rgd->rd_gl->gl_object = rgd; - rgd->rd_rg_vn = rgd->rd_gl->gl_vn - 1; + rgd->rd_flags &= ~GFS2_RDF_UPTODATE; rgd->rd_flags |= GFS2_RDF_CHECK; return error; } @@ -576,7 +576,7 @@ static int gfs2_ri_update(struct gfs2_inode *ip) } } - sdp->sd_rindex_vn = ip->i_gl->gl_vn; + sdp->sd_rindex_uptodate = 1; return 0; } @@ -610,7 +610,7 @@ static int gfs2_ri_update_special(struct gfs2_inode *ip) } } - sdp->sd_rindex_vn = ip->i_gl->gl_vn; + sdp->sd_rindex_uptodate = 1; return 0; } @@ -643,9 +643,9 @@ int gfs2_rindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ri_gh) return error; /* Read new copy from disk if we don't have the latest */ - if (sdp->sd_rindex_vn != gl->gl_vn) { + if (!sdp->sd_rindex_uptodate) { mutex_lock(&sdp->sd_rindex_mutex); - if (sdp->sd_rindex_vn != gl->gl_vn) { + if (!sdp->sd_rindex_uptodate) { error = gfs2_ri_update(ip); if (error) gfs2_glock_dq_uninit(ri_gh); @@ -737,9 +737,9 @@ int gfs2_rgrp_bh_get(struct gfs2_rgrpd *rgd) } } - if (rgd->rd_rg_vn != gl->gl_vn) { + if (!(rgd->rd_flags & GFS2_RDF_UPTODATE)) { gfs2_rgrp_in(rgd, (rgd->rd_bits[0].bi_bh)->b_data); - rgd->rd_rg_vn = gl->gl_vn; + rgd->rd_flags |= GFS2_RDF_UPTODATE; } spin_lock(&sdp->sd_rindex_spin); |