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OpenCloudOS-Kernel
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dm thin: cleanup overwrite's endio restore to be centralized 

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Mike Snitzer 2015-05-13 17:53:13 -04:00
parent 0f20972f7b
commit 8b908f8e94
1 changed files with 3 additions and 8 deletions
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11
drivers/md/dm-thin.c
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@ -705,6 +705,8 @@ 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);
}
@ -793,9 +795,6 @@ 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);
@ -805,13 +804,9 @@ 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;