From: Bart Van Assche Date: Wed, 17 May 2023 17:42:22 +0000 (-0700) Subject: block: Introduce op_needs_zoned_write_locking() X-Git-Tag: v6.6.7~2487^2~210 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a370798201b537f78288e4ef5e0f7fc70889e7ee;p=platform%2Fkernel%2Flinux-starfive.git block: Introduce op_needs_zoned_write_locking() Introduce a helper function for checking whether write serialization is required if the operation will be sent to a zoned device. A second caller for op_needs_zoned_write_locking() will be introduced in the next patch in this series. Suggested-by: Christoph Hellwig Reviewed-by: Christoph Hellwig Cc: Damien Le Moal Cc: Ming Lei Signed-off-by: Bart Van Assche Reviewed-by: Damien Le Moal Link: https://lore.kernel.org/r/20230517174230.897144-5-bvanassche@acm.org Signed-off-by: Jens Axboe --- diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index db24cf9..3952c52 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1281,13 +1281,16 @@ static inline unsigned int bdev_zone_no(struct block_device *bdev, sector_t sec) return disk_zone_no(bdev->bd_disk, sec); } +/* Whether write serialization is required for @op on zoned devices. */ +static inline bool op_needs_zoned_write_locking(enum req_op op) +{ + return op == REQ_OP_WRITE || op == REQ_OP_WRITE_ZEROES; +} + static inline bool bdev_op_is_zoned_write(struct block_device *bdev, enum req_op op) { - if (!bdev_is_zoned(bdev)) - return false; - - return op == REQ_OP_WRITE || op == REQ_OP_WRITE_ZEROES; + return bdev_is_zoned(bdev) && op_needs_zoned_write_locking(op); } static inline sector_t bdev_zone_sectors(struct block_device *bdev)