Subject: + ocfs2-submit-disk-heartbeat-bio-using-write_sync.patch added to -mm tree To: n_iwamatsu@xxxxxxxxxxxxxx,gurudas.pai@xxxxxxxxxx,jeff.liu@xxxxxxxxxx,jlbec@xxxxxxxxxxxx,mfasheh@xxxxxxxx,srinivas.eeda@xxxxxxxxxx,sunil.mushran@xxxxxxxxx,tm@xxxxxx From: akpm@xxxxxxxxxxxxxxxxxxxx Date: Mon, 01 Jul 2013 16:18:53 -0700 The patch titled Subject: ocfs2: submit disk heartbeat bio using WRITE_SYNC has been added to the -mm tree. Its filename is ocfs2-submit-disk-heartbeat-bio-using-write_sync.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/ocfs2-submit-disk-heartbeat-bio-using-write_sync.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/ocfs2-submit-disk-heartbeat-bio-using-write_sync.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ 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 @@ -492,7 +492,7 @@ 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 ocfs2-submit-disk-heartbeat-bio-using-write_sync.patch ocfs2-consolidate-o2hb_global_hearbeat_mode_set-naming-convention.patch ocfs2-fix-a-comments-typo-at-o2quo_hb_still_up.patch ocfs2-adjust-switch_case-syntax-at-o2net_state_change.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html