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Commit b119cbab authored by Lai Jiangshan's avatar Lai Jiangshan Committed by Paul E. McKenney
Browse files

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



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

Signed-off-by: default avatarLai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: default avatarNeilBrown <neilb@suse.de>
Reviewed-by: default avatarJosh Triplett <josh@joshtriplett.org>
parent a841796f

drivers/md/linear.c

+1 −7
Original line number Diff line number Diff line
@@ -213,12 +213,6 @@ static int linear_run (mddev_t *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)

{

	/* 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));

	set_capacity(mddev->gendisk, mddev->array_sectors);

	revalidate_disk(mddev->gendisk);

	call_rcu(&oldconf->rcu, free_conf);

	kfree_rcu(oldconf, rcu);

	return 0;

}