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md/raid0: improve error message when converting RAID4-with-spares to RAID0 

Mentioning "bad disk number -1" exposes irrelevant internal detail.
Just say they are inactive and must be removed.

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2013-02-21 15:50:07 +11:00
parent 58ebb34c49
commit f96c9f305c
1 changed files with 7 additions and 1 deletions
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8
drivers/md/raid0.c
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@ -175,7 +175,13 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf)
rdev1->new_raid_disk = j;
}
if (j < 0 || j >= mddev->raid_disks) {
if (j < 0) {
printk(KERN_ERR
"md/raid0:%s: remove inactive devices before converting to RAID0\n",
mdname(mddev));
goto abort;
}
if (j >= mddev->raid_disks) {
printk(KERN_ERR "md/raid0:%s: bad disk number %d - "
"aborting!\n", mdname(mddev), j);
goto abort;