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md/raid5: Properly remove excess drives after shrinking a raid5/6

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We were removing the drives, from the array, but not
removing symlinks from /sys/.... and not marking the device
as having been removed.

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2009-08-13 10:41:49 +10:00
parent a639755cf8
commit 1a67dde0ab
1 changed files with 9 additions and 2 deletions
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11
drivers/md/raid5.c
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@ -5097,8 +5097,15 @@ static void raid5_finish_reshape(mddev_t *mddev)
mddev->degraded--;
for (d = conf->raid_disks ;
d < conf->raid_disks - mddev->delta_disks;
d++)
raid5_remove_disk(mddev, d);
d++) {
mdk_rdev_t *rdev = conf->disks[d].rdev;
if (rdev && raid5_remove_disk(mddev, d) == 0) {
char nm[20];
sprintf(nm, "rd%d", rdev->raid_disk);
sysfs_remove_link(&mddev->kobj, nm);
rdev->raid_disk = -1;
}
}
}
mddev->layout = conf->algorithm;
mddev->chunk_sectors = conf->chunk_sectors;