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| author | Christoph Hellwig <hch@lst.de> | 2020-08-20 10:56:58 +0300 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-10-07 08:56:17 +0300 |
| commit | 6fcd669514794da08ce6bfa272b6ec9b33cb543d (patch) | |
| tree | 4c68fb026fc5743d7f22bc8bbc6471eec4b53b7a /include/linux/blkdev.h | |
| parent | 1401fcc4e3da97c44dcc7cbf538c07e24768d791 (diff) | |
| download | linux-6fcd669514794da08ce6bfa272b6ec9b33cb543d.tar.xz | |
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: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 8e77f12de522..1b81b2766858 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -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) { - return q->limits.zoned; + 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) |