Subject: [merged] ocfs2-submit-disk-heartbeat-bio-using-write_sync.patch removed from -mm tree
To: n_iwamatsu@xxxxxxxxxxxxxx,gurudas.pai@xxxxxxxxxx,jeff.liu@xxxxxxxxxx,jlbec@xxxxxxxxxxxx,mfasheh@xxxxxxxx,srinivas.eeda@xxxxxxxxxx,sunil.mushran@xxxxxxxxx,tm@xxxxxx,mm-commits@xxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 08 Jul 2013 12:23:29 -0700
The patch titled
Subject: ocfs2: submit disk heartbeat bio using WRITE_SYNC
has been removed from the -mm tree. Its filename was
ocfs2-submit-disk-heartbeat-bio-using-write_sync.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Noboru Iwamatsu <n_iwamatsu@xxxxxxxxxxxxxx>
Subject: 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@xxxxxxxxxxxxxx>
Acked-by: Tao Ma <tm@xxxxxx>
Acked-by: Sunil Mushran <sunil.mushran@xxxxxxxxx>
Cc: Srinivas Eeeda <srinivas.eeda@xxxxxxxxxx>
Reviewed-by: Jie Liu <jeff.liu@xxxxxxxxxx>
Tested-by: Gurudas Pai <gurudas.pai@xxxxxxxxxx>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Cc: Mark Fasheh <mfasheh@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ocfs2/cluster/heartbeat.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN fs/ocfs2/cluster/heartbeat.c~ocfs2-submit-disk-heartbeat-bio-using-write_sync fs/ocfs2/cluster/heartbeat.c
--- a/fs/ocfs2/cluster/heartbeat.c~ocfs2-submit-disk-heartbeat-bio-using-write_sync
+++ a/fs/ocfs2/cluster/heartbeat.c
@@ -500,7 +500,7 @@ static int o2hb_issue_node_write(struct
}
atomic_inc(&write_wc->wc_num_reqs);
- submit_bio(WRITE, bio);
+ submit_bio(WRITE_SYNC, bio);
status = 0;
bail:
_
Patches currently in -mm which might be from n_iwamatsu@xxxxxxxxxxxxxx are
origin.patch
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