Commit af1db72d authored by NeilBrown's avatar NeilBrown
Browse files

md/dm - remove remains of plug_fn callback. 



Now that unplugging is done differently, the unplug_fn callback is
never called, so it can be completely discarded.

Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent e1dfa0a2

drivers/md/dm-raid.c

+0 −8
Original line number Diff line number Diff line
@@ -390,13 +390,6 @@ static int raid_is_congested(struct dm_target_callbacks *cb, int bits) 
	return md_raid5_congested(&rs->md, bits);

}



static void raid_unplug(struct dm_target_callbacks *cb)

{

	struct raid_set *rs = container_of(cb, struct raid_set, callbacks);



	md_raid5_kick_device(rs->md.private);

}



/*

 * Construct a RAID4/5/6 mapping:

 * Args:
@@ -487,7 +480,6 @@ static int raid_ctr(struct dm_target *ti, unsigned argc, char **argv) 
	}



	rs->callbacks.congested_fn = raid_is_congested;

	rs->callbacks.unplug_fn = raid_unplug;

	dm_table_add_target_callbacks(ti->table, &rs->callbacks);



	return 0;

include/linux/device-mapper.h

+0 −1
Original line number Diff line number Diff line
@@ -197,7 +197,6 @@ struct dm_target { 
struct dm_target_callbacks {

	struct list_head list;

	int (*congested_fn) (struct dm_target_callbacks *, int);

	void (*unplug_fn)(struct dm_target_callbacks *);

};



int dm_register_target(struct target_type *t);