dm bio prison: use rb_entry() rather than container_of()

To make the code clearer, use rb_entry() instead of container_of() to
deal with rbtree.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Acked-by: Coly Li <colyli@suse.de>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Geliang Tang 2017-05-06 23:39:10 +08:00 committed by Mike Snitzer
parent 23d70c5e52
commit 6e333d0be3
2 changed files with 2 additions and 2 deletions

View File

@ -116,7 +116,7 @@ static int __bio_detain(struct dm_bio_prison *prison,
while (*new) { while (*new) {
struct dm_bio_prison_cell *cell = struct dm_bio_prison_cell *cell =
container_of(*new, struct dm_bio_prison_cell, node); rb_entry(*new, struct dm_bio_prison_cell, node);
r = cmp_keys(key, &cell->key); r = cmp_keys(key, &cell->key);

View File

@ -120,7 +120,7 @@ static bool __find_or_insert(struct dm_bio_prison_v2 *prison,
while (*new) { while (*new) {
struct dm_bio_prison_cell_v2 *cell = struct dm_bio_prison_cell_v2 *cell =
container_of(*new, struct dm_bio_prison_cell_v2, node); rb_entry(*new, struct dm_bio_prison_cell_v2, node);
r = cmp_keys(key, &cell->key); r = cmp_keys(key, &cell->key);