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| author | NeilBrown <neilb@suse.de> | 2011-01-14 09:14:34 +1100 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2011-01-14 09:14:34 +1100 |
| commit | 1a940fcee31ec6c18c2f24dbdad31d54e4c35048 (patch) | |
| tree | 73de19d505bb0483462eb1445a86a848e5506478 /drivers/md/raid5.c | |
| parent | 13ae864bc86ff65547ffe7e966b6433a0d0edb8a (diff) | |
| download | op-kernel-dev-1a940fcee31ec6c18c2f24dbdad31d54e4c35048.zip op-kernel-dev-1a940fcee31ec6c18c2f24dbdad31d54e4c35048.tar.gz | |
md/raid5: handle manually-added spares in start_reshape.
It is possible to manually add spares to specific slots before
starting a reshape.
raid5_start_reshape should recognised this possibility and include
it in the accounting.
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/raid5.c')
| -rw-r--r-- | drivers/md/raid5.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index d223a6c0..5044bab 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -5527,8 +5527,8 @@ static int raid5_start_reshape(mddev_t *mddev) return -ENOSPC; list_for_each_entry(rdev, &mddev->disks, same_set) - if (rdev->raid_disk < 0 && - !test_bit(Faulty, &rdev->flags)) + if ((rdev->raid_disk < 0 || rdev->raid_disk >= conf->raid_disks) + && !test_bit(Faulty, &rdev->flags)) spares++; if (spares - mddev->degraded < mddev->delta_disks - conf->max_degraded) @@ -5588,6 +5588,11 @@ static int raid5_start_reshape(mddev_t *mddev) /* Failure here is OK */; } else break; + } else if (rdev->raid_disk >= conf->previous_raid_disks + && !test_bit(Faulty, &rdev->flags)) { + /* This is a spare that was manually added */ + set_bit(In_sync, &rdev->flags); + added_devices++; } /* When a reshape changes the number of devices, ->degraded |
