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authorBenjamin Marzinski <bmarzins@redhat.com>2010-11-24 08:52:55 +0300
committerSteven Whitehouse <swhiteho@redhat.com>2010-11-30 18:41:54 +0300
commit086d8334cf73b3bb695b82dd864a7a8b00d96b7e (patch)
treeacadf5458a2ccfde44049bcb7ba63e136844f875 /fs/gfs2/bmap.c
parent0489b3f5eba735413ccedd425651cf41d6b1f7c5 (diff)
downloadlinux-086d8334cf73b3bb695b82dd864a7a8b00d96b7e.tar.xz
GFS2: fix recursive locking during rindex truncates
When you truncate the rindex file, you need to avoid calling gfs2_rindex_hold, since you already hold it. However, if you haven't already read in the resource groups, you need to do that. Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/bmap.c')
-rw-r--r--fs/gfs2/bmap.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 5476c066d4ee..ae7d205de0d1 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -780,7 +780,11 @@ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh,
if (metadata)
revokes = (height) ? sdp->sd_inptrs : sdp->sd_diptrs;
- error = gfs2_rindex_hold(sdp, &ip->i_alloc->al_ri_gh);
+ if (ip != GFS2_I(sdp->sd_rindex))
+ error = gfs2_rindex_hold(sdp, &ip->i_alloc->al_ri_gh);
+ else if (!sdp->sd_rgrps)
+ error = gfs2_ri_update(ip);
+
if (error)
return error;
@@ -879,7 +883,8 @@ out_rg_gunlock:
out_rlist:
gfs2_rlist_free(&rlist);
out:
- gfs2_glock_dq_uninit(&ip->i_alloc->al_ri_gh);
+ if (ip != GFS2_I(sdp->sd_rindex))
+ gfs2_glock_dq_uninit(&ip->i_alloc->al_ri_gh);
return error;
}