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Commit fee68723 authored by Krzysztof Wojcik's avatar Krzysztof Wojcik Committed by NeilBrown
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md: Cleanup after raid45->raid0 takeover 



Problem:
After raid4->raid0 takeover operation, another takeover operation
(e.g raid0->raid10) results "kernel oops".
Root cause:
Variables 'degraded' in mddev structure is not cleared
on raid45->raid0 takeover.

This patch reset this variable.

Signed-off-by: default avatarKrzysztof Wojcik <krzysztof.wojcik@intel.com>
Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent 3b71bd93

drivers/md/md.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -3170,6 +3170,7 @@ level_store(mddev_t *mddev, const char *buf, size_t len) 
	mddev->layout = mddev->new_layout;

	mddev->layout = mddev->new_layout;

	mddev->chunk_sectors = mddev->new_chunk_sectors;

	mddev->chunk_sectors = mddev->new_chunk_sectors;

	mddev->delta_disks = 0;

	mddev->delta_disks = 0;

	mddev->degraded = 0;

	if (mddev->pers->sync_request == NULL) {

	if (mddev->pers->sync_request == NULL) {

		/* this is now an array without redundancy, so

		/* this is now an array without redundancy, so

		 * it must always be in_sync

		 * it must always be in_sync