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md,rcu: Convert call_rcu(free_conf) to kfree_rcu()

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The rcu callback free_conf() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(free_conf).

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: NeilBrown <neilb@suse.de>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This commit is contained in:
Lai Jiangshan 2011-03-18 11:59:14 +08:00 committed by Paul E. McKenney
parent a841796f11
commit b119cbab3a
1 changed files with 1 additions and 7 deletions
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8
drivers/md/linear.c
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@ -213,12 +213,6 @@ static int linear_run (mddev_t *mddev)
return md_integrity_register(mddev); return md_integrity_register(mddev);
} }
static void free_conf(struct rcu_head *head)
{
linear_conf_t *conf = container_of(head, linear_conf_t, rcu);
kfree(conf);
}
static int linear_add(mddev_t *mddev, mdk_rdev_t *rdev) static int linear_add(mddev_t *mddev, mdk_rdev_t *rdev)
{ {
/* Adding a drive to a linear array allows the array to grow. /* Adding a drive to a linear array allows the array to grow.
@ -247,7 +241,7 @@ static int linear_add(mddev_t *mddev, mdk_rdev_t *rdev)
md_set_array_sectors(mddev, linear_size(mddev, 0, 0)); md_set_array_sectors(mddev, linear_size(mddev, 0, 0));
set_capacity(mddev->gendisk, mddev->array_sectors); set_capacity(mddev->gendisk, mddev->array_sectors);
revalidate_disk(mddev->gendisk); revalidate_disk(mddev->gendisk);
call_rcu(&oldconf->rcu, free_conf); kfree_rcu(oldconf, rcu);
return 0; return 0;
} }