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[PATCH] md: fix bug where new drives added to an md array sometimes don't sync properly

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This fixes a bug introduced in 2.6.18.

If a drive is added to a raid1 using older tools (mdadm-1.x or raidtools)
then it will be included in the array without any resync happening.

It has been submitted for 2.6.18.1.

Signed-off-by: Neil Brown <neilb@suse.de>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
NeilBrown 2006-10-06 00:44:04 -07:00 committed by Linus Torvalds
parent ec5a19dd93
commit 5842730de1
1 changed files with 1 additions and 0 deletions
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1
drivers/md/md.c
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@ -3849,6 +3849,7 @@ static int hot_add_disk(mddev_t * mddev, dev_t dev)
}
clear_bit(In_sync, &rdev->flags);
rdev->desc_nr = -1;
rdev->saved_raid_disk = -1;
err = bind_rdev_to_array(rdev, mddev);
if (err)
goto abort_export;