From: NeilBrown <neilb@suse.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 006 of 7] md: Allow an md array to appear with 0 drives if it has external metadata.
Date: Fri, 14 Dec 2007 17:26:41 +1100 [thread overview]
Message-ID: <1071214062641.1908@suse.de> (raw)
In-Reply-To: 20071214171950.1308.patches@notabene
Signed-off-by: Neil Brown <neilb@suse.de>
### Diffstat output
./drivers/md/md.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff .prev/drivers/md/md.c ./drivers/md/md.c
--- .prev/drivers/md/md.c 2007-12-14 16:09:03.000000000 +1100
+++ ./drivers/md/md.c 2007-12-14 16:09:09.000000000 +1100
@@ -4650,9 +4650,10 @@ static int md_ioctl(struct inode *inode,
*/
/* 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;
}
next prev parent reply other threads:[~2007-12-14 6:26 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-14 6:26 [PATCH 000 of 7] md: Introduction EXPLAIN PATCH SET HERE NeilBrown
2007-12-14 6:26 ` [PATCH 001 of 7] md: Support 'external' metadata for md arrays NeilBrown
2007-12-25 22:03 ` Andrew Morton
2007-12-14 6:26 ` [PATCH 002 of 7] md: Give userspace control over removing failed devices when external metdata in use NeilBrown
2007-12-14 6:26 ` [PATCH 003 of 7] md: Allow a maximum extent to be set for resyncing NeilBrown
2007-12-14 6:26 ` [PATCH 004 of 7] md: Allow devices to be shared between md arrays NeilBrown
2007-12-25 22:04 ` Andrew Morton
2007-12-14 6:26 ` [PATCH 005 of 7] md: Lock address when changing attributes of component devices NeilBrown
2007-12-14 6:26 ` NeilBrown [this message]
2007-12-14 6:26 ` [PATCH 007 of 7] md: Get name for block device in sysfs NeilBrown
2007-12-15 16:58 ` Kay Sievers
2007-12-16 22:43 ` Neil Brown
2007-12-17 2:10 ` Kay Sievers
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