diff options
| author | NeilBrown | 2009-03-31 05:57:09 +0200 |
|---|---|---|
| committer | NeilBrown | 2009-03-31 05:57:09 +0200 |
| commit | e9d4758f6e93488dc719a1445ce54659a570938f (patch) | |
| tree | 13fb97a1f47f806b25b957cbf9d1ec69df8d0de8 /drivers/md/raid5.c | |
| parent | md/raid5: allow layout/chunksize to be changed on an active 2-drive raid5. (diff) | |
| download | kernel-qcow2-linux-e9d4758f6e93488dc719a1445ce54659a570938f.tar.gz kernel-qcow2-linux-e9d4758f6e93488dc719a1445ce54659a570938f.tar.xz kernel-qcow2-linux-e9d4758f6e93488dc719a1445ce54659a570938f.zip | |
md: add takeover support for raid4 -> raid5 conversion.
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/raid5.c')
| -rw-r--r-- | drivers/md/raid5.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 8a5e14e4a851..95953273c4d9 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -4967,6 +4967,11 @@ static void *raid5_takeover(mddev_t *mddev) if (mddev->level == 1) return raid5_takeover_raid1(mddev); + if (mddev->level == 4) { + mddev->new_layout = ALGORITHM_PARITY_N; + mddev->new_level = 5; + return setup_conf(mddev); + } return ERR_PTR(-EINVAL); } |