Commit bd4a6dd2 authored by Mike Snitzer's avatar Mike Snitzer
Browse files

dm: reduce size of dm_io and dm_target_io structs 



Signed-off-by: default avatarMike Snitzer <snitzer@kernel.org>
parent 655f3aad

drivers/md/dm-core.h

+6 −6
Original line number Diff line number Diff line
@@ -208,14 +208,14 @@ struct dm_table { 
/*

 * One of these is allocated per clone bio.

 */

#define DM_TIO_MAGIC 7282014

#define DM_TIO_MAGIC 28714

struct dm_target_io {

	unsigned int magic;

	unsigned short magic;

	unsigned short flags;

	unsigned int target_bio_nr;

	struct dm_io *io;

	struct dm_target *ti;

	unsigned int *len_ptr;

	unsigned short flags;

	sector_t old_sector;

	struct bio clone;

};
@@ -242,14 +242,14 @@ static inline void dm_tio_set_flag(struct dm_target_io *tio, unsigned int bit) 
 * One of these is allocated per original bio.

 * It contains the first clone used for that original.

 */

#define DM_IO_MAGIC 5191977

#define DM_IO_MAGIC 19577

struct dm_io {

	unsigned int magic;

	unsigned short magic;

	unsigned short flags;

	atomic_t io_count;

	struct mapped_device *md;

	struct bio *orig_bio;

	blk_status_t status;

	unsigned short flags;

	unsigned long start_time;

	void *data;

	struct hlist_node node;