[Cluster-devel] [PATCH 12/19] gfs2: If the journal isn't live ignore log flushes

[Bob Peterson <rpeterso@redhat.com>]

This patch adds a check to function gfs2_log_flush: if the journal
is no longer live, the flush is ignored.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
---
 fs/gfs2/log.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 896165811063..cd2f54db7f8a 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -782,6 +782,9 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl, u32 flags)
 	struct gfs2_trans *tr;
 	enum gfs2_freeze_state state = atomic_read(&sdp->sd_freeze_state);
 
+	if (!test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags))
+		return;
+
 	down_write(&sdp->sd_log_flush_lock);
 
 	/* Log might have been flushed while we waited for the flush lock */
-- 
2.20.1