diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/md/dm-table.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 47818d8249cb..d2eb3c593682 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -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); |