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
......@@ -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);
......
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