diff options
| author | Neil Brown <neilb@notabene.brown> | 2008-06-28 08:31:31 +1000 |
|---|---|---|
| committer | Neil Brown <neilb@notabene.brown> | 2008-06-28 08:31:31 +1000 |
| commit | 6c2fce2ef6b4821c21b5c42c7207cb9cf8c87eda (patch) | |
| tree | 726b16f46c039df387f7cdfe0d195821d8955532 /drivers/md/raid1.c | |
| parent | 8ed0a5216a0238f53b482ec88ce4aeed4b9f0da1 (diff) | |
Support adding a spare to a live md array with external metadata.
i.e. extend the 'md/dev-XXX/slot' attribute so that you can
tell a device to fill an vacant slot in an and md array.
Signed-off-by: Neil Brown <neilb@suse.de>
Diffstat (limited to 'drivers/md/raid1.c')
| -rw-r--r-- | drivers/md/raid1.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index c610b947218a..d32fc559ff05 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1103,8 +1103,13 @@ static int raid1_add_disk(mddev_t *mddev, mdk_rdev_t *rdev) int found = 0; int mirror = 0; mirror_info_t *p; + int first = 0; + int last = mddev->raid_disks - 1; - for (mirror=0; mirror < mddev->raid_disks; mirror++) + if (rdev->raid_disk >= 0) + first = last = rdev->raid_disk; + + for (mirror = first; mirror <= last; mirror++) if ( !(p=conf->mirrors+mirror)->rdev) { blk_queue_stack_limits(mddev->queue, |