diff options
| -rw-r--r-- | drivers/md/dm-thin.c | 26 |
1 files changed, 4 insertions, 22 deletions
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 075c39edea2..a55c5ebb403 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -165,7 +165,6 @@ struct pool { struct pool_features pf; bool low_water_triggered:1; /* A dm event has been sent */ - bool no_free_space:1; /* bios will be requeued if set */ struct dm_bio_prison *prison; struct dm_kcopyd_client *copier; @@ -991,10 +990,10 @@ static void handle_unserviceable_bio(struct pool *pool, struct bio *bio) */ WARN_ON_ONCE(get_pool_mode(pool) != PM_READ_ONLY); - if (pool->no_free_space) - retry_on_resume(bio); - else + if (pool->pf.error_if_no_space) bio_io_error(bio); + else + retry_on_resume(bio); } static void retry_bios_on_resume(struct pool *pool, struct dm_bio_prison_cell *cell) @@ -1437,18 +1436,6 @@ static void set_pool_mode(struct pool *pool, enum pool_mode mode) } } -static void set_no_free_space(struct pool *pool) -{ - unsigned long flags; - - if (pool->pf.error_if_no_space) - return; - - spin_lock_irqsave(&pool->lock, flags); - pool->no_free_space = true; - spin_unlock_irqrestore(&pool->lock, flags); -} - /* * Rather than calling set_pool_mode directly, use these which describe the * reason for mode degradation. @@ -1457,7 +1444,6 @@ static void out_of_data_space(struct pool *pool) { DMERR_LIMIT("%s: no free data space available.", dm_device_name(pool->pool_md)); - set_no_free_space(pool); set_pool_mode(pool, PM_READ_ONLY); } @@ -1470,11 +1456,9 @@ static void metadata_operation_failed(struct pool *pool, const char *op, int r) if (r == -ENOSPC && !dm_pool_get_free_metadata_block_count(pool->pmd, &free_blocks) && - !free_blocks) { + !free_blocks) DMERR_LIMIT("%s: no free metadata space available.", dm_device_name(pool->pool_md)); - set_no_free_space(pool); - } set_pool_mode(pool, PM_READ_ONLY); } @@ -1819,7 +1803,6 @@ static struct pool *pool_create(struct mapped_device *pool_md, INIT_LIST_HEAD(&pool->prepared_mappings); INIT_LIST_HEAD(&pool->prepared_discards); pool->low_water_triggered = false; - pool->no_free_space = false; bio_list_init(&pool->retry_on_resume_list); pool->shared_read_ds = dm_deferred_set_create(); @@ -2346,7 +2329,6 @@ static void pool_resume(struct dm_target *ti) spin_lock_irqsave(&pool->lock, flags); pool->low_water_triggered = false; - pool->no_free_space = false; __requeue_bios(pool); spin_unlock_irqrestore(&pool->lock, flags); |