From: NeilBrown <neilb@suse.de>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 012 of 13] md: Make 'reshape' a possible sync_action action.
Date: Fri, 17 Mar 2006 15:48:25 +1100 [thread overview]
Message-ID: <1060317044825.16232@suse.de> (raw)
In-Reply-To: 20060317154017.15880.patches@notabene
This allows reshape to be triggerred via sysfs (which is the
only way to start it happening).
Signed-off-by: Neil Brown <neilb@suse.de>
### Diffstat output
./drivers/md/md.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff ./drivers/md/md.c~current~ ./drivers/md/md.c
--- ./drivers/md/md.c~current~ 2006-03-17 11:48:59.000000000 +1100
+++ ./drivers/md/md.c 2006-03-17 11:48:59.000000000 +1100
@@ -2242,7 +2242,14 @@ action_store(mddev_t *mddev, const char
return -EBUSY;
else if (cmd_match(page, "resync") || cmd_match(page, "recover"))
set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
- else {
+ else if (cmd_match(page, "reshape")) {
+ int err;
+ if (mddev->pers->start_reshape == NULL)
+ return -EINVAL;
+ err = mddev->pers->start_reshape(mddev);
+ if (err)
+ return err;
+ } else {
if (cmd_match(page, "check"))
set_bit(MD_RECOVERY_CHECK, &mddev->recovery);
else if (cmd_match(page, "repair"))
next prev parent reply other threads:[~2006-03-17 4:48 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-17 4:47 [PATCH 000 of 13] md: Introduction NeilBrown
2006-03-17 4:47 ` [PATCH 001 of 13] md: Add '4' to the list of levels for which bitmaps are supported NeilBrown
2006-03-17 4:47 ` [PATCH 002 of 13] md: Fix the 'failed' count for version-0 superblocks NeilBrown
2006-03-17 4:47 ` [PATCH 003 of 13] md: Update status_resync to handle LARGE devices NeilBrown
2006-03-17 4:47 ` [PATCH 004 of 13] md: Split disks array out of raid5 conf structure so it is easier to grow NeilBrown
2006-03-17 4:47 ` [PATCH 005 of 13] md: Allow stripes to be expanded in preparation for expanding an array NeilBrown
2006-03-17 5:50 ` Andrew Morton
2006-03-17 6:04 ` Neil Brown
2006-03-17 5:53 ` Andrew Morton
2006-03-17 5:57 ` Andrew Morton
2006-03-17 6:24 ` Neil Brown
2006-03-17 4:47 ` [PATCH 006 of 13] md: Infrastructure to allow normal IO to continue while array is expanding NeilBrown
2006-03-17 6:01 ` Andrew Morton
2006-03-17 6:17 ` Neil Brown
2006-03-17 4:47 ` [PATCH 007 of 13] md: Core of raid5 resize process NeilBrown
2006-03-17 6:03 ` Andrew Morton
2006-03-17 7:10 ` Neil Brown
2006-03-17 4:48 ` [PATCH 008 of 13] md: Final stages of raid5 expand code NeilBrown
2006-03-17 4:48 ` [PATCH 009 of 13] md: Checkpoint and allow restart of raid5 reshape NeilBrown
2006-03-17 4:48 ` [PATCH 010 of 13] md: Only checkpoint expansion progress occasionally NeilBrown
2006-03-17 6:17 ` Andrew Morton
2006-03-17 4:48 ` [PATCH 011 of 13] md: Split reshape handler in check_reshape and start_reshape NeilBrown
2006-03-17 4:48 ` NeilBrown [this message]
2006-03-17 4:48 ` [PATCH 013 of 13] md: Support suspending of IO to regions of an md array NeilBrown
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