From 72d711c8768805b5f8cf2d23c575dfd188993e12 Mon Sep 17 00:00:00 2001 From: Mike Snitzer Date: Tue, 22 May 2018 18:26:20 -0400 Subject: dm: adjust structure members to improve alignment Eliminate most holes in DM data structures that were modified by commit 6f1c819c21 ("dm: convert to bioset_init()/mempool_init()"). Also prevent structure members from unnecessarily spanning cache lines. Signed-off-by: Mike Snitzer --- drivers/md/dm-thin.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers/md/dm-thin.c') diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 5772756c63c1..6cf9c9364103 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -240,9 +240,9 @@ struct pool { struct dm_bio_prison *prison; struct dm_kcopyd_client *copier; + struct work_struct worker; struct workqueue_struct *wq; struct throttle throttle; - struct work_struct worker; struct delayed_work waker; struct delayed_work no_space_timeout; @@ -260,7 +260,6 @@ struct pool { struct dm_deferred_set *all_io_ds; struct dm_thin_new_mapping *next_mapping; - mempool_t mapping_pool; process_bio_fn process_bio; process_bio_fn process_discard; @@ -273,6 +272,8 @@ struct pool { process_mapping_fn process_prepared_discard_pt2; struct dm_bio_prison_cell **cell_sort_array; + + mempool_t mapping_pool; }; static enum pool_mode get_pool_mode(struct pool *pool); -- cgit v1.2.3