From: NeilBrown <neilb@suse.de>
Date: Mon, 27 Mar 2006 09:18:13 +0000 (-0800)
Subject: [PATCH] md: Make 'reshape' a possible sync_action action
X-Git-Tag: v2.6.17-rc1~285
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=16484bf59634e25d1299761e5ed8bacf22bc6368;p=linux-2.6

[PATCH] md: Make 'reshape' a possible sync_action action

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>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 1a637676a9..a79dd33d34 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2247,7 +2247,14 @@ action_store(mddev_t *mddev, const char *page, size_t len)
 		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"))