diff options
| author | NeilBrown <neilb@suse.de> | 2008-02-06 01:39:55 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-06 10:41:19 -0800 |
| commit | a17184a911195c274104df98a79bec10f57e735d (patch) | |
| tree | 786eca010cb2c4495702f983420258c4ef8efbe5 /drivers/md/md.c | |
| parent | ca38805945edf5d1f5444b283eed95bb954772e8 (diff) | |
md: allow an md array to appear with 0 drives if it has external metadata
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 39757566f39..08e0f8d672c 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -4647,9 +4647,10 @@ static int md_ioctl(struct inode *inode, struct file *file, */ /* if we are not initialised yet, only ADD_NEW_DISK, STOP_ARRAY, * RUN_ARRAY, and GET_ and SET_BITMAP_FILE are allowed */ - if (!mddev->raid_disks && cmd != ADD_NEW_DISK && cmd != STOP_ARRAY - && cmd != RUN_ARRAY && cmd != SET_BITMAP_FILE - && cmd != GET_BITMAP_FILE) { + if ((!mddev->raid_disks && !mddev->external) + && cmd != ADD_NEW_DISK && cmd != STOP_ARRAY + && cmd != RUN_ARRAY && cmd != SET_BITMAP_FILE + && cmd != GET_BITMAP_FILE) { err = -ENODEV; goto abort_unlock; } |