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authorNeilBrown <neilb@suse.de>2012-07-03 15:56:52 +1000
committerNeilBrown <neilb@suse.de>2012-07-03 15:56:52 +1000
commit0232605d987d8230b254aa139805bbb56a7ca30c (patch)
tree18537d016ecc0f12b41b4589818b4c047cd58bcf /drivers/md/raid5.c
parent055d3747dbf00ce85c6872ecca4d466638e80c22 (diff)
downloadlinux-next-0232605d987d8230b254aa139805bbb56a7ca30c.tar.gz
md: make 'name' arg to md_register_thread non-optional.
Having the 'name' arg optional and defaulting to the current personality name is no necessary and leads to errors, as when changing the level of an array we can end up using the name of the old level instead of the new one. So make it non-optional and always explicitly pass the name of the level that the array will be. Reported-by: majianpeng <majianpeng@gmail.com> Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/raid5.c')
-rw-r--r--drivers/md/raid5.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 62b6b3a83abf..a5135e595866 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -4840,6 +4840,7 @@ static struct r5conf *setup_conf(struct mddev *mddev)
int raid_disk, memory, max_disks;
struct md_rdev *rdev;
struct disk_info *disk;
+ char pers_name[6];
if (mddev->new_level != 5
&& mddev->new_level != 4
@@ -4963,7 +4964,8 @@ static struct r5conf *setup_conf(struct mddev *mddev)
printk(KERN_INFO "md/raid:%s: allocated %dkB\n",
mdname(mddev), memory);
- conf->thread = md_register_thread(raid5d, mddev, NULL);
+ sprintf(pers_name, "raid%d", mddev->new_level);
+ conf->thread = md_register_thread(raid5d, mddev, pers_name);
if (!conf->thread) {
printk(KERN_ERR
"md/raid:%s: couldn't allocate thread.\n",