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authorAndreas Gruenbacher <agruenba@redhat.com>2017-06-30 07:55:08 -0500
committerBob Peterson <rpeterso@redhat.com>2017-07-05 07:20:52 -0500
commit6f6597baae206c544c49ad7f1129d5adc1e9019d (patch)
tree3bcfcb1ebf6713cdd95f4146012c236e3d6f5fbf /fs/gfs2/dir.c
parent4fd1a5795214bc6405f14691c1344ae8c3f17215 (diff)
downloadlinux-6f6597baae206c544c49ad7f1129d5adc1e9019d.tar.bz2
gfs2: Protect gl->gl_object by spin lock
Put all remaining accesses to gl->gl_object under the gl->gl_lockref.lock spinlock to prevent races. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Diffstat (limited to 'fs/gfs2/dir.c')
-rw-r--r--fs/gfs2/dir.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index 96a7487b09b6..db427658ccd9 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -2032,8 +2032,8 @@ static int leaf_dealloc(struct gfs2_inode *dip, u32 index, u32 len,
gfs2_rlist_alloc(&rlist, LM_ST_EXCLUSIVE);
for (x = 0; x < rlist.rl_rgrps; x++) {
- struct gfs2_rgrpd *rgd;
- rgd = rlist.rl_ghs[x].gh_gl->gl_object;
+ struct gfs2_rgrpd *rgd = gfs2_glock2rgrp(rlist.rl_ghs[x].gh_gl);
+
rg_blocks += rgd->rd_length;
}