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Commit a639755c authored by NeilBrown's avatar NeilBrown
Browse files

md/raid5: make sure a reshape restarts at the correct address. 



This "if" don't allow for the possibility that the number of devices
doesn't change, and so sector_nr isn't set correctly in that case.
So change '>' to '>='.

Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent 67ac6011

drivers/md/raid5.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -3785,7 +3785,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped 
		    conf->reshape_progress < raid5_size(mddev, 0, 0)) {

		    conf->reshape_progress < raid5_size(mddev, 0, 0)) {

			sector_nr = raid5_size(mddev, 0, 0)

			sector_nr = raid5_size(mddev, 0, 0)

				- conf->reshape_progress;

				- conf->reshape_progress;

		} else if (mddev->delta_disks > 0 &&

		} else if (mddev->delta_disks >= 0 &&

			   conf->reshape_progress > 0)

			   conf->reshape_progress > 0)

			sector_nr = conf->reshape_progress;

			sector_nr = conf->reshape_progress;

		sector_div(sector_nr, new_data_disks);

		sector_div(sector_nr, new_data_disks);