diff options
| author |   Trela Maciej <Maciej.Trela@intel.com> | 2010-03-08 16:02:42 +1100 |
|---|---|---|
| committer |   NeilBrown <neilb@suse.de> | 2010-05-18 15:27:47 +1000 |
| commit | 54071b3808ee3dc8624d9d6f1b06c4fd5308fa3b (patch) | |
| tree | b254ce6625ce3dd472faac0d59edeb9589b30f2b /drivers/md/md.c | |
| parent | md: don't use mddev->raid_disks in raid0 or raid10 while array is active. (diff) | |
| download | linux-dev-54071b3808ee3dc8624d9d6f1b06c4fd5308fa3b.tar.xz linux-dev-54071b3808ee3dc8624d9d6f1b06c4fd5308fa3b.zip | |
md:Add support for Raid0->Raid5 takeover
Signed-off-by: Maciej Trela <maciej.trela@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 2a64cba9ea72..22c630b7ba6c 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -3017,6 +3017,20 @@ level_store(mddev_t *mddev, const char *buf, size_t len) mddev->to_remove = &md_redundancy_group; } + if (mddev->pers->sync_request == NULL && + mddev->external) { + /* We are converting from a no-redundancy array + * to a redundancy array and metadata is managed + * externally so we need to be sure that writes + * won't block due to a need to transition + * clean->dirty + * until external management is started. + */ + mddev->in_sync = 0; + mddev->safemode_delay = 0; + mddev->safemode = 0; + } + module_put(mddev->pers->owner); /* Invalidate devices that are now superfluous */ list_for_each_entry(rdev, &mddev->disks, same_set) |