[dm-devel] [PATCH for-4.2 12/14] dm thin: cleanup overwrite's endio restore to be centralized
Mike Snitzer
snitzer at redhat.com
Thu May 14 21:05:10 UTC 2015
Signed-off-by: Mike Snitzer <snitzer at redhat.com>
---
drivers/md/dm-thin.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index aa71bdd..b316450 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -766,6 +766,8 @@ static void overwrite_endio(struct bio *bio, int err)
struct dm_thin_endio_hook *h = dm_per_bio_data(bio, sizeof(struct dm_thin_endio_hook));
struct dm_thin_new_mapping *m = h->overwrite_mapping;
+ bio->bi_end_io = m->saved_bi_end_io;
+
m->err = err;
complete_mapping_preparation(m);
}
@@ -854,9 +856,6 @@ static void inc_remap_and_issue_cell(struct thin_c *tc,
static void process_prepared_mapping_fail(struct dm_thin_new_mapping *m)
{
- if (m->bio)
- m->bio->bi_end_io = m->saved_bi_end_io;
-
cell_error(m->tc->pool, m->cell);
list_del(&m->list);
mempool_free(m, m->tc->pool->mapping_pool);
@@ -866,13 +865,9 @@ static void process_prepared_mapping(struct dm_thin_new_mapping *m)
{
struct thin_c *tc = m->tc;
struct pool *pool = tc->pool;
- struct bio *bio;
+ struct bio *bio = m->bio;
int r;
- bio = m->bio;
- if (bio)
- bio->bi_end_io = m->saved_bi_end_io;
-
if (m->err) {
cell_error(pool, m->cell);
goto out;
--
2.3.2 (Apple Git-55)
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