diff options
| author | Paul Jimenez <pj@place.org> | 2008-02-08 02:09:59 +0000 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2008-02-08 02:09:59 +0000 |
| commit | afb24528f9012e5c6361ca9a9128c7c089c1cc7c (patch) | |
| tree | 1aa47aca62308becafc05464f5020b4ffbf3ce67 | |
| parent | 76c072b48e39e9291fbf02d6c912cf27d65e093d (diff) | |
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 <pj@place.org>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
| -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 47818d8249c..d2eb3c59368 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); |