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md: Improve name of threads created by md_register_thread

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The management thread for raid4,5,6 arrays are all called
mdX_raid5, independent of the actual raid level, which is wrong and
can be confusion.

So change md_register_thread to use the name from the personality
unless no alternate name (like 'resync' or 'reshape') is given.

This is simpler and more correct.

Cc: Jinzc <zhenchengjin@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown
2009-09-23 18:09:45 +10:00
parent ee305acef5
commit 0da3c6194e
5 changed files with 12 additions and 9 deletions
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6
drivers/md/raid5.c
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@ -4448,7 +4448,7 @@ static raid5_conf_t *setup_conf(mddev_t *mddev)
printk(KERN_INFO "raid5: allocated %dkB for %s\n",
memory, mdname(mddev));
conf->thread = md_register_thread(raid5d, mddev, "%s_raid5");
conf->thread = md_register_thread(raid5d, mddev, NULL);
if (!conf->thread) {
printk(KERN_ERR
"raid5: couldn't allocate thread for %s\n",
@ -4614,7 +4614,7 @@ static int run(mddev_t *mddev)
set_bit(MD_RECOVERY_RESHAPE, &mddev->recovery);
set_bit(MD_RECOVERY_RUNNING, &mddev->recovery);
mddev->sync_thread = md_register_thread(md_do_sync, mddev,
"%s_reshape");
"reshape");
}
/* read-ahead size must cover two whole stripes, which is
@ -5032,7 +5032,7 @@ static int raid5_start_reshape(mddev_t *mddev)
set_bit(MD_RECOVERY_RESHAPE, &mddev->recovery);
set_bit(MD_RECOVERY_RUNNING, &mddev->recovery);
mddev->sync_thread = md_register_thread(md_do_sync, mddev,
"%s_reshape");
"reshape");
if (!mddev->sync_thread) {
mddev->recovery = 0;
spin_lock_irq(&conf->device_lock);