This is a note to let you know that I've just added the patch titled
dm raid: fix flush support
to the 3.2-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
dm-raid-fix-flush-support.patch
and it can be found in the queue-3.2 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 0ca93de9b789e0eb05e103f0c04de72df13da73a Mon Sep 17 00:00:00 2001
From: Jonathan E Brassow <[email protected]>
Date: Wed, 7 Mar 2012 19:09:48 +0000
Subject: dm raid: fix flush support
From: Jonathan E Brassow <[email protected]>
commit 0ca93de9b789e0eb05e103f0c04de72df13da73a upstream.
Fix dm-raid flush support.
Both md and dm have support for flush, but the dm-raid target
forgot to set the flag to indicate that flushes should be
passed on. (Important for data integrity e.g. with writeback cache
enabled.)
Signed-off-by: Jonathan Brassow <[email protected]>
Acked-by: Mike Snitzer <[email protected]>
Signed-off-by: Alasdair G Kergon <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/md/dm-raid.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -974,6 +974,7 @@ static int raid_ctr(struct dm_target *ti
INIT_WORK(&rs->md.event_work, do_table_event);
ti->private = rs;
+ ti->num_flush_requests = 1;
mutex_lock(&rs->md.reconfig_mutex);
ret = md_run(&rs->md);
Patches currently in stable-queue which might be from [email protected] are
queue-3.2/dm-raid-set-md_change_devs-when-rebuilding.patch
queue-3.2/dm-raid-fix-flush-support.patch
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