Commit afb24528 authored by Paul Jimenez's avatar Paul Jimenez Committed by Alasdair G Kergon
Browse files

dm: table use list_for_each 



This patch is some minor janitorish cleanup, using some macros
from linux/list.h (already #included via dm.h) to improve
readability.

Signed-off-by: default avatarPaul Jimenez <pj@place.org>
Signed-off-by: default avatarAlasdair G Kergon <agk@redhat.com>
parent 76c072b4

drivers/md/dm-table.c

+7 −9
Original line number Diff line number Diff line
@@ -287,9 +287,8 @@ static void free_devices(struct list_head *devices) 
{

	struct list_head *tmp, *next;



	for (tmp = devices->next; tmp != devices; tmp = next) {

	list_for_each_safe(tmp, next, devices) {

		struct dm_dev *dd = list_entry(tmp, struct dm_dev, list);

		next = tmp->next;

		kfree(dd);

	}

}
@@ -993,12 +992,11 @@ int dm_table_resume_targets(struct dm_table *t) 


int dm_table_any_congested(struct dm_table *t, int bdi_bits)

{

	struct list_head *d, *devices;

	struct dm_dev *dd;

	struct list_head *devices = dm_table_get_devices(t);

	int r = 0;



	devices = dm_table_get_devices(t);

	for (d = devices->next; d != devices; d = d->next) {

		struct dm_dev *dd = list_entry(d, struct dm_dev, list);

	list_for_each_entry(dd, devices, list) {

		struct request_queue *q = bdev_get_queue(dd->bdev);

		r |= bdi_congested(&q->backing_dev_info, bdi_bits);

	}
@@ -1008,10 +1006,10 @@ int dm_table_any_congested(struct dm_table *t, int bdi_bits) 


void dm_table_unplug_all(struct dm_table *t)

{

	struct list_head *d, *devices = dm_table_get_devices(t);

	struct dm_dev *dd;

	struct list_head *devices = dm_table_get_devices(t);



	for (d = devices->next; d != devices; d = d->next) {

		struct dm_dev *dd = list_entry(d, struct dm_dev, list);

	list_for_each_entry(dd, devices, list) {

		struct request_queue *q = bdev_get_queue(dd->bdev);



		blk_unplug(q);