-stable review patch. If anyone has any objections, please let us know.
------------------
From: Neil Brown <[email protected]>
If a drive is added with HOT_ADD_DISK rather than ADD_NEW_DISK,
saved_raid_disk isn't initialised properly, and the drive can be
included in the array without a resync.
From: Neil Brown <[email protected]>
Cc: <[email protected]>
Cc: Richard Bollinger <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/md/md.c | 1 +
1 file changed, 1 insertion(+)
--- linux-2.6.18.orig/drivers/md/md.c
+++ linux-2.6.18/drivers/md/md.c
@@ -3867,6 +3867,7 @@ static int hot_add_disk(mddev_t * mddev,
}
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;
--
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