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authorSteven Whitehouse <swhiteho@redhat.com>2009-05-21 15:18:19 +0100
committerSteven Whitehouse <swhiteho@redhat.com>2009-05-21 15:18:19 +0100
commit1ce97e564b628bee30b8dbb64e5e653a484308f6 (patch)
tree1c46105bb5bd29e0970afa2693e09654bef89164
parent60a0b8f93664621a07b93273fc8ebc29590c62f5 (diff)
GFS2: Be more aggressive in reclaiming unlinked inodes
This patch increases the frequency with which gfs2 looks for unlinked, but still allocated inodes. Its the equivalent operation to ext3's orphan list, but done with bitmaps in the resource groups. This also fixes a bug where a field in the rgrp was too small. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
-rw-r--r--fs/gfs2/incore.h2
-rw-r--r--fs/gfs2/rgrp.c5
2 files changed, 4 insertions, 3 deletions
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index dd87379b61e..225347fbff3 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -94,7 +94,7 @@ struct gfs2_rgrpd {
struct gfs2_sbd *rd_sbd;
unsigned int rd_bh_count;
u32 rd_last_alloc;
- unsigned char rd_flags;
+ u32 rd_flags;
#define GFS2_RDF_CHECK 0x10000000 /* check for unlinked inodes */
#define GFS2_RDF_UPTODATE 0x20000000 /* rg is up to date */
#define GFS2_RDF_ERROR 0x40000000 /* error in rg */
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 23637b9d1c7..ee3d5c1876a 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -581,7 +581,6 @@ static int read_rindex_entry(struct gfs2_inode *ip,
rgd->rd_gl->gl_object = rgd;
rgd->rd_flags &= ~GFS2_RDF_UPTODATE;
- rgd->rd_flags |= GFS2_RDF_CHECK;
return error;
}
@@ -703,6 +702,8 @@ static void gfs2_rgrp_in(struct gfs2_rgrpd *rgd, const void *buf)
rg_flags = be32_to_cpu(str->rg_flags);
rg_flags &= ~GFS2_RDF_MASK;
+ rgd->rd_flags &= GFS2_RDF_MASK;
+ rgd->rd_flags |= rg_flags;
rgd->rd_free = be32_to_cpu(str->rg_free);
rgd->rd_dinodes = be32_to_cpu(str->rg_dinodes);
rgd->rd_igeneration = be64_to_cpu(str->rg_igeneration);
@@ -773,7 +774,7 @@ int gfs2_rgrp_bh_get(struct gfs2_rgrpd *rgd)
for (x = 0; x < length; x++)
clear_bit(GBF_FULL, &rgd->rd_bits[x].bi_flags);
gfs2_rgrp_in(rgd, (rgd->rd_bits[0].bi_bh)->b_data);
- rgd->rd_flags |= GFS2_RDF_UPTODATE;
+ rgd->rd_flags |= (GFS2_RDF_UPTODATE | GFS2_RDF_CHECK);
}
spin_lock(&sdp->sd_rindex_spin);