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authorNoboru Iwamatsu <n_iwamatsu@jp.fujitsu.com>2013-07-03 15:01:04 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-03 16:07:24 -0700
commite873fdb5259ac62cf099621590645470c12a1d21 (patch)
treee723f10745a9ae1a95a141a7b25ff6b033a8d360 /fs/ocfs2
parentef962df057aaafd714f5c22ba3de1be459571fdf (diff)
ocfs2: submit disk heartbeat bio using WRITE_SYNC
Under heavy I/O load, writing the disk heartbeat can be forced to wait for minutes, and this causes the node to be fenced. This patch tries to use WRITE_SYNC in submitting the heartbeat bio, so that writing the heartbeat will have a priority over other requests. Signed-off-by: Noboru Iwamatsu <n_iwamatsu@jp.fujitsu.com> Acked-by: Tao Ma <tm@tao.ma> Acked-by: Sunil Mushran <sunil.mushran@gmail.com> Cc: Srinivas Eeeda <srinivas.eeda@oracle.com> Reviewed-by: Jie Liu <jeff.liu@oracle.com> Tested-by: Gurudas Pai <gurudas.pai@oracle.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Mark Fasheh <mfasheh@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/cluster/heartbeat.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index 42252bf64b51..f89b46b66235 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -500,7 +500,7 @@ static int o2hb_issue_node_write(struct o2hb_region *reg,
}
atomic_inc(&write_wc->wc_num_reqs);
- submit_bio(WRITE, bio);
+ submit_bio(WRITE_SYNC, bio);
status = 0;
bail: