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Diffstat (limited to 'drivers/md/dm-thin.c')
-rw-r--r--drivers/md/dm-thin.c41
1 files changed, 23 insertions, 18 deletions
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index c33f61a4cc28..2ade2c46dca9 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -614,8 +614,10 @@ static void error_bio_list(struct bio_list *bios, int error)
{
struct bio *bio;
- while ((bio = bio_list_pop(bios)))
- bio_endio(bio, error);
+ while ((bio = bio_list_pop(bios))) {
+ bio->bi_error = error;
+ bio_endio(bio);
+ }
}
static void error_thin_bio_list(struct thin_c *tc, struct bio_list *master, int error)
@@ -864,14 +866,14 @@ static void copy_complete(int read_err, unsigned long write_err, void *context)
complete_mapping_preparation(m);
}
-static void overwrite_endio(struct bio *bio, int err)
+static void overwrite_endio(struct bio *bio)
{
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;
+ m->err = bio->bi_error;
complete_mapping_preparation(m);
}
@@ -996,7 +998,7 @@ static void process_prepared_mapping(struct dm_thin_new_mapping *m)
*/
if (bio) {
inc_remap_and_issue_cell(tc, m->cell, m->data_block);
- bio_endio(bio, 0);
+ bio_endio(bio);
} else {
inc_all_io_entry(tc->pool, m->cell->holder);
remap_and_issue(tc, m->cell->holder, m->data_block);
@@ -1026,7 +1028,7 @@ static void process_prepared_discard_fail(struct dm_thin_new_mapping *m)
static void process_prepared_discard_success(struct dm_thin_new_mapping *m)
{
- bio_endio(m->bio, 0);
+ bio_endio(m->bio);
free_discard_mapping(m);
}
@@ -1040,7 +1042,7 @@ static void process_prepared_discard_no_passdown(struct dm_thin_new_mapping *m)
metadata_operation_failed(tc->pool, "dm_thin_remove_range", r);
bio_io_error(m->bio);
} else
- bio_endio(m->bio, 0);
+ bio_endio(m->bio);
cell_defer_no_holder(tc, m->cell);
mempool_free(m, tc->pool->mapping_pool);
@@ -1111,7 +1113,8 @@ static void process_prepared_discard_passdown(struct dm_thin_new_mapping *m)
* Even if r is set, there could be sub discards in flight that we
* need to wait for.
*/
- bio_endio(m->bio, r);
+ m->bio->bi_error = r;
+ bio_endio(m->bio);
cell_defer_no_holder(tc, m->cell);
mempool_free(m, pool->mapping_pool);
}
@@ -1487,9 +1490,10 @@ static void handle_unserviceable_bio(struct pool *pool, struct bio *bio)
{
int error = should_error_unserviceable_bio(pool);
- if (error)
- bio_endio(bio, error);
- else
+ if (error) {
+ bio->bi_error = error;
+ bio_endio(bio);
+ } else
retry_on_resume(bio);
}
@@ -1625,7 +1629,7 @@ static void process_discard_cell_passdown(struct thin_c *tc, struct dm_bio_priso
* will prevent completion until the sub range discards have
* completed.
*/
- bio_endio(bio, 0);
+ bio_endio(bio);
}
static void process_discard_bio(struct thin_c *tc, struct bio *bio)
@@ -1639,7 +1643,7 @@ static void process_discard_bio(struct thin_c *tc, struct bio *bio)
/*
* The discard covers less than a block.
*/
- bio_endio(bio, 0);
+ bio_endio(bio);
return;
}
@@ -1784,7 +1788,7 @@ static void provision_block(struct thin_c *tc, struct bio *bio, dm_block_t block
if (bio_data_dir(bio) == READ) {
zero_fill_bio(bio);
cell_defer_no_holder(tc, cell);
- bio_endio(bio, 0);
+ bio_endio(bio);
return;
}
@@ -1849,7 +1853,7 @@ static void process_cell(struct thin_c *tc, struct dm_bio_prison_cell *cell)
} else {
zero_fill_bio(bio);
- bio_endio(bio, 0);
+ bio_endio(bio);
}
} else
provision_block(tc, bio, block, cell);
@@ -1920,7 +1924,7 @@ static void __process_bio_read_only(struct thin_c *tc, struct bio *bio,
}
zero_fill_bio(bio);
- bio_endio(bio, 0);
+ bio_endio(bio);
break;
default:
@@ -1945,7 +1949,7 @@ static void process_cell_read_only(struct thin_c *tc, struct dm_bio_prison_cell
static void process_bio_success(struct thin_c *tc, struct bio *bio)
{
- bio_endio(bio, 0);
+ bio_endio(bio);
}
static void process_bio_fail(struct thin_c *tc, struct bio *bio)
@@ -2581,7 +2585,8 @@ static int thin_bio_map(struct dm_target *ti, struct bio *bio)
thin_hook_bio(tc, bio);
if (tc->requeue_mode) {
- bio_endio(bio, DM_ENDIO_REQUEUE);
+ bio->bi_error = DM_ENDIO_REQUEUE;
+ bio_endio(bio);
return DM_MAPIO_SUBMITTED;
}