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authorMike Snitzer <snitzer@redhat.com>2018-05-23 00:26:20 +0200
committerMike Snitzer <snitzer@redhat.com>2018-06-08 17:53:14 +0200
commit72d711c8768805b5f8cf2d23c575dfd188993e12 (patch)
tree1a442b3c9c5d7eb4fb61c2bdd10c19386ae19d28 /drivers/md/dm-thin.c
parentdm: report which conflicting type caused error during table_load() (diff)
downloadlinux-72d711c8768805b5f8cf2d23c575dfd188993e12.tar.xz
linux-72d711c8768805b5f8cf2d23c575dfd188993e12.zip
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 <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm-thin.c')
-rw-r--r--drivers/md/dm-thin.c5
1 files changed, 3 insertions, 2 deletions
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);