Commit 126925c0 authored Sep 07, 2010 by NeilBrown

md: call md_update_sb even for 'external' metadata arrays.



Now that we depend on md_update_sb to clear variable bits in
mddev->flags (rather than trying not to set them) it is important to
always call md_update_sb when appropriate.

md_check_recovery has this job but explicitly avoids it for ->external
metadata arrays.  This is not longer appropraite, or needed.

However we do want to avoid taking the mddev lock if only
MD_CHANGE_PENDING is set as that is not cleared by md_update_sb for
external-metadata arrays.

Reported-by: "Kwolek, Adam" <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>

parent 9c03f162

drivers/md/md.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -7069,7 +7069,7 @@ void md_check_recovery(mddev_t *mddev)
		if (mddev->ro && !test_bit(MD_RECOVERY_NEEDED, &mddev->recovery))
		return;
		if ( ! (
		(mddev->flags && !mddev->external) \|\|
		(mddev->flags & ~ (1<<MD_CHANGE_PENDING)) \|\|
		test_bit(MD_RECOVERY_NEEDED, &mddev->recovery) \|\|
		test_bit(MD_RECOVERY_DONE, &mddev->recovery) \|\|
		(mddev->external == 0 && mddev->safemode == 1) \|\|

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