diff options
author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-09-04 09:22:54 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-09-04 09:22:54 -0700 |
commit | a6cbfa1e6d38c4b3ab0ce7e3aea4bb4e744f24b8 (patch) | |
tree | 8960e571a398b5d32e72bdb9c89ce965daa870ab /drivers/md/dm-thin.c | |
parent | f5308d1b83eba20e69df5e0926ba7257c8dd9074 (diff) | |
parent | 08d6ac9ee5fedd82040bc878705981b67a116a3f (diff) |
Merge branch 'next' into for-linus
Prepare input updates for 4.14 merge window.
Diffstat (limited to 'drivers/md/dm-thin.c')
-rw-r--r-- | drivers/md/dm-thin.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 17ad50daed08..28808e5ec0fd 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -1094,6 +1094,19 @@ static void process_prepared_discard_passdown_pt1(struct dm_thin_new_mapping *m) return; } + /* + * Increment the unmapped blocks. This prevents a race between the + * passdown io and reallocation of freed blocks. + */ + r = dm_pool_inc_data_range(pool->pmd, m->data_block, data_end); + if (r) { + metadata_operation_failed(pool, "dm_pool_inc_data_range", r); + bio_io_error(m->bio); + cell_defer_no_holder(tc, m->cell); + mempool_free(m, pool->mapping_pool); + return; + } + discard_parent = bio_alloc(GFP_NOIO, 1); if (!discard_parent) { DMWARN("%s: unable to allocate top level discard bio for passdown. Skipping passdown.", @@ -1114,19 +1127,6 @@ static void process_prepared_discard_passdown_pt1(struct dm_thin_new_mapping *m) end_discard(&op, r); } } - - /* - * Increment the unmapped blocks. This prevents a race between the - * passdown io and reallocation of freed blocks. - */ - r = dm_pool_inc_data_range(pool->pmd, m->data_block, data_end); - if (r) { - metadata_operation_failed(pool, "dm_pool_inc_data_range", r); - bio_io_error(m->bio); - cell_defer_no_holder(tc, m->cell); - mempool_free(m, pool->mapping_pool); - return; - } } static void process_prepared_discard_passdown_pt2(struct dm_thin_new_mapping *m) |