From cf45b752c9f23939e40d823b0600bf876e97b0e0 Mon Sep 17 00:00:00 2001 From: Bob Peterson Date: Thu, 31 Jan 2008 10:31:39 -0600 Subject: [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 Signed-off-by: Steven Whitehouse --- fs/gfs2/rgrp.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'fs/gfs2/rgrp.c') diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index 5fd8710..3f10b1f 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); -- cgit v1.1