Commit 6fcd6695 authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

block: optimize blk_queue_zoned_model for !CONFIG_BLK_DEV_ZONED 



Always return BLK_ZONED_NONE if zoned device support is not enabled.
This allows various compiler optimizations including the dead code
elimination that we so like for avoiding ifdefs.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarKeith Busch <kbusch@kernel.org>
Reviewed-by: default avatarSagi Grimberg <sagi@grimberg.me>
Reviewed-by: default avatarChaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: default avatarDamien Le Moal <damien.lemoal@wdc.com>
parent 1401fcc4

include/linux/blkdev.h

+3 −1
Original line number Diff line number Diff line
@@ -692,7 +692,9 @@ static inline bool queue_is_mq(struct request_queue *q) 
static inline enum blk_zoned_model

blk_queue_zoned_model(struct request_queue *q)

{

	if (IS_ENABLED(CONFIG_BLK_DEV_ZONED))

		return q->limits.zoned;

	return BLK_ZONED_NONE;

}



static inline bool blk_queue_is_zoned(struct request_queue *q)