diff options
| author | NeilBrown <neilb@suse.de> | 2006-06-26 11:27:41 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-26 20:58:37 +0400 |
| commit | 7c7546ccf6463edbeee8d9aac6de7be1cd80d08a (patch) | |
| tree | 56c1f734db9f8a66a7c8c5ef11fb35e07dbb2f91 /drivers/md/md.c | |
| parent | 5fd6c1dce06ec24ef3de20fe0c7ecf2ba9fe5ef9 (diff) | |
| download | linux-7c7546ccf6463edbeee8d9aac6de7be1cd80d08a.tar.xz | |
[PATCH] md: allow a linear array to have drives added while active
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index a296edd7e1c3..2ce750d4be02 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -817,8 +817,8 @@ static int super_90_validate(mddev_t *mddev, mdk_rdev_t *rdev) if (desc->state & (1<<MD_DISK_FAULTY)) set_bit(Faulty, &rdev->flags); - else if (desc->state & (1<<MD_DISK_SYNC) && - desc->raid_disk < mddev->raid_disks) { + else if (desc->state & (1<<MD_DISK_SYNC) /* && + desc->raid_disk < mddev->raid_disks */) { set_bit(In_sync, &rdev->flags); rdev->raid_disk = desc->raid_disk; } @@ -3359,6 +3359,17 @@ static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info) rdev->raid_disk = -1; err = bind_rdev_to_array(rdev, mddev); + if (!err && !mddev->pers->hot_remove_disk) { + /* If there is hot_add_disk but no hot_remove_disk + * then added disks for geometry changes, + * and should be added immediately. + */ + super_types[mddev->major_version]. + validate_super(mddev, rdev); + err = mddev->pers->hot_add_disk(mddev, rdev); + if (err) + unbind_rdev_from_array(rdev); + } if (err) export_rdev(rdev); |