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authorDamien Le Moal <dlemoal@kernel.org>2024-04-08 04:41:03 +0300
committerJens Axboe <axboe@kernel.dk>2024-04-17 17:44:02 +0300
commita0508c36efa838b16aa93a23e3583d68d3ef6c33 (patch)
tree6123e7c5de6527930317b235bfbeaf802f8c8c89
parentc0da26f950a355ef3540ca8d215351e1ed4cac47 (diff)
downloadlinux-a0508c36efa838b16aa93a23e3583d68d3ef6c33.tar.xz
block: Introduce blk_zone_update_request_bio()
On completion of a zone append request, the request sector indicates the location of the written data. This value must be returned to the user through the BIO iter sector. This is done in 2 places: in blk_complete_request() and in blk_update_request(). Introduce the inline helper function blk_zone_update_request_bio() to avoid duplicating this BIO update for zone append requests, and to compile out this helper call when CONFIG_BLK_DEV_ZONED is not enabled. Signed-off-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Tested-by: Hans Holmberg <hans.holmberg@wdc.com> Tested-by: Dennis Maisenbacher <dennis.maisenbacher@wdc.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Link: https://lore.kernel.org/r/20240408014128.205141-4-dlemoal@kernel.org Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--block/blk-mq.c11
-rw-r--r--block/blk.h19
2 files changed, 23 insertions, 7 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index fcbf0953a179..88b541e8873f 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -821,8 +821,7 @@ static void blk_complete_request(struct request *req)
/* Completion has already been traced */
bio_clear_flag(bio, BIO_TRACE_COMPLETION);
- if (req_op(req) == REQ_OP_ZONE_APPEND)
- bio->bi_iter.bi_sector = req->__sector;
+ blk_zone_update_request_bio(req, bio);
if (!is_flush)
bio_endio(bio);
@@ -923,10 +922,10 @@ bool blk_update_request(struct request *req, blk_status_t error,
bio_advance(bio, bio_bytes);
/* Don't actually finish bio if it's part of flush sequence */
- if (!bio->bi_iter.bi_size && !is_flush) {
- if (req_op(req) == REQ_OP_ZONE_APPEND)
- bio->bi_iter.bi_sector = req->__sector;
- bio_endio(bio);
+ if (!bio->bi_iter.bi_size) {
+ blk_zone_update_request_bio(req, bio);
+ if (!is_flush)
+ bio_endio(bio);
}
total_bytes += bio_bytes;
diff --git a/block/blk.h b/block/blk.h
index d9f584984bc4..17786052f32d 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -408,12 +408,29 @@ static inline struct bio *blk_queue_bounce(struct bio *bio,
#ifdef CONFIG_BLK_DEV_ZONED
void disk_free_zone_bitmaps(struct gendisk *disk);
+static inline void blk_zone_update_request_bio(struct request *rq,
+ struct bio *bio)
+{
+ /*
+ * For zone append requests, the request sector indicates the location
+ * at which the BIO data was written. Return this value to the BIO
+ * issuer through the BIO iter sector.
+ */
+ if (req_op(rq) == REQ_OP_ZONE_APPEND)
+ bio->bi_iter.bi_sector = rq->__sector;
+}
int blkdev_report_zones_ioctl(struct block_device *bdev, unsigned int cmd,
unsigned long arg);
int blkdev_zone_mgmt_ioctl(struct block_device *bdev, blk_mode_t mode,
unsigned int cmd, unsigned long arg);
#else /* CONFIG_BLK_DEV_ZONED */
-static inline void disk_free_zone_bitmaps(struct gendisk *disk) {}
+static inline void disk_free_zone_bitmaps(struct gendisk *disk)
+{
+}
+static inline void blk_zone_update_request_bio(struct request *rq,
+ struct bio *bio)
+{
+}
static inline int blkdev_report_zones_ioctl(struct block_device *bdev,
unsigned int cmd, unsigned long arg)
{