GFS2: Extend umount wait coverage to full glock lifetime

[net-next-2.6.git] / fs / gfs2 / ops_fstype.c

diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 9390fc7d8d408ca6c768e5bcdb085b484693a837..8a102f7310034110b6438d932c12094d0cd7b5eb 100644 (file)
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -985,9 +985,17 @@ static const match_table_t nolock_tokens = {
        { Opt_err, NULL },
 };
 
+static void nolock_put_lock(struct kmem_cache *cachep, struct gfs2_glock *gl)
+{
+       struct gfs2_sbd *sdp = gl->gl_sbd;
+       kmem_cache_free(cachep, gl);
+       if (atomic_dec_and_test(&sdp->sd_glock_disposal))
+               wake_up(&sdp->sd_glock_wait);
+}
+
 static const struct lm_lockops nolock_ops = {
        .lm_proto_name = "lock_nolock",
-       .lm_put_lock = kmem_cache_free,
+       .lm_put_lock = nolock_put_lock,
        .lm_tokens = &nolock_tokens,
 };