From: Paul Jimenez Date: Fri, 8 Feb 2008 02:09:59 +0000 (+0000) Subject: dm: table use list_for_each X-Git-Tag: v2.6.25-rc1~280^2~39 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=afb24528f9012e5c6361ca9a9128c7c089c1cc7c;p=linux-2.6 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: Paul Jimenez Signed-off-by: Alasdair G Kergon --- diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 47818d8249..d2eb3c5936 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);