diff options
| -rw-r--r-- | drivers/md/dm-bio-prison.c | 4 | ||||
| -rw-r--r-- | drivers/md/dm-bio-prison.h | 2 | ||||
| -rw-r--r-- | drivers/md/dm-thin.c | 38 |
3 files changed, 27 insertions, 17 deletions
diff --git a/drivers/md/dm-bio-prison.c b/drivers/md/dm-bio-prison.c index 85f0b7074257..71434382cb64 100644 --- a/drivers/md/dm-bio-prison.c +++ b/drivers/md/dm-bio-prison.c @@ -238,7 +238,7 @@ void dm_cell_release_no_holder(struct dm_bio_prison *prison, EXPORT_SYMBOL_GPL(dm_cell_release_no_holder); void dm_cell_error(struct dm_bio_prison *prison, - struct dm_bio_prison_cell *cell) + struct dm_bio_prison_cell *cell, int error) { struct bio_list bios; struct bio *bio; @@ -251,7 +251,7 @@ void dm_cell_error(struct dm_bio_prison *prison, spin_unlock_irqrestore(&prison->lock, flags); while ((bio = bio_list_pop(&bios))) - bio_io_error(bio); + bio_endio(bio, error); } EXPORT_SYMBOL_GPL(dm_cell_error); diff --git a/drivers/md/dm-bio-prison.h b/drivers/md/dm-bio-prison.h index 3f833190eadf..6805a142b750 100644 --- a/drivers/md/dm-bio-prison.h +++ b/drivers/md/dm-bio-prison.h @@ -85,7 +85,7 @@ void dm_cell_release_no_holder(struct dm_bio_prison *prison, struct dm_bio_prison_cell *cell, struct bio_list *inmates); void dm_cell_error(struct dm_bio_prison *prison, - struct dm_bio_prison_cell *cell); + struct dm_bio_prison_cell *cell, int error); /*----------------------------------------------------------------*/ diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 7694988fb806..a0bdd562e026 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -310,13 +310,18 @@ static void cell_defer_no_holder_no_free(struct thin_c *tc, wake_worker(pool); } -static void cell_error(struct pool *pool, - struct dm_bio_prison_cell *cell) +static void cell_error_with_code(struct pool *pool, + struct dm_bio_prison_cell *cell, int error_code) { - dm_cell_error(pool->prison, cell); + dm_cell_error(pool->prison, cell, error_code); dm_bio_prison_free_cell(pool->prison, cell); } +static void cell_error(struct pool *pool, struct dm_bio_prison_cell *cell) +{ + cell_error_with_code(pool, cell, -EIO); +} + /*----------------------------------------------------------------*/ /* @@ -1027,7 +1032,7 @@ static void retry_on_resume(struct bio *bio) spin_unlock_irqrestore(&tc->lock, flags); } -static bool should_error_unserviceable_bio(struct pool *pool) +static int should_error_unserviceable_bio(struct pool *pool) { enum pool_mode m = get_pool_mode(pool); @@ -1035,25 +1040,27 @@ static bool should_error_unserviceable_bio(struct pool *pool) case PM_WRITE: /* Shouldn't get here */ DMERR_LIMIT("bio unserviceable, yet pool is in PM_WRITE mode"); - return true; + return -EIO; case PM_OUT_OF_DATA_SPACE: - return pool->pf.error_if_no_space; + return pool->pf.error_if_no_space ? -ENOSPC : 0; case PM_READ_ONLY: case PM_FAIL: - return true; + return -EIO; default: /* Shouldn't get here */ DMERR_LIMIT("bio unserviceable, yet pool has an unknown mode"); - return true; + return -EIO; } } static void handle_unserviceable_bio(struct pool *pool, struct bio *bio) { - if (should_error_unserviceable_bio(pool)) - bio_io_error(bio); + int error = should_error_unserviceable_bio(pool); + + if (error) + bio_endio(bio, error); else retry_on_resume(bio); } @@ -1062,18 +1069,21 @@ static void retry_bios_on_resume(struct pool *pool, struct dm_bio_prison_cell *c { struct bio *bio; struct bio_list bios; + int error; - if (should_error_unserviceable_bio(pool)) { - cell_error(pool, cell); + error = should_error_unserviceable_bio(pool); + if (error) { + cell_error_with_code(pool, cell, error); return; } bio_list_init(&bios); cell_release(pool, cell, &bios); - if (should_error_unserviceable_bio(pool)) + error = should_error_unserviceable_bio(pool); + if (error) while ((bio = bio_list_pop(&bios))) - bio_io_error(bio); + bio_endio(bio, error); else while ((bio = bio_list_pop(&bios))) retry_on_resume(bio); |