Commit 300432f5 authored by Mike Snitzer's avatar Mike Snitzer
Browse files

dm: reduce dm_io and dm_target_io struct sizes 



Remove one 4 byte hole in dm_io struct.
Remove two 4 byte holes in dm_target_io struct.

Reviewed-by: default avatarMikulas Patocka <mpatocka@redhat.com>
Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
parent 018b05eb

drivers/md/dm-core.h

+3 −3
Original line number Diff line number Diff line
@@ -211,9 +211,9 @@ struct dm_table { 
#define DM_TIO_MAGIC 7282014

struct dm_target_io {

	unsigned int magic;

	unsigned int target_bio_nr;

	struct dm_io *io;

	struct dm_target *ti;

	unsigned int target_bio_nr;

	unsigned int *len_ptr;

	bool inside_dm_io;

	sector_t old_sector;
@@ -227,10 +227,10 @@ struct dm_target_io { 
#define DM_IO_MAGIC 5191977

struct dm_io {

	unsigned int magic;

	struct mapped_device *md;

	blk_status_t status;

	atomic_t io_count;

	struct mapped_device *md;

	struct bio *orig_bio;

	blk_status_t status;

	unsigned long start_time;

	spinlock_t endio_lock;

	struct dm_stats_aux stats_aux;