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-rw-r--r--include/linux/blkdev.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index c3e8f7cf96be..ec7bd7091467 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -853,6 +853,13 @@ static inline unsigned int bio_zone_no(struct bio *bio)
return disk_zone_no(bio->bi_bdev->bd_disk, bio->bi_iter.bi_sector);
}
+static inline bool bio_straddles_zones(struct bio *bio)
+{
+ return bio_sectors(bio) &&
+ bio_zone_no(bio) !=
+ disk_zone_no(bio->bi_bdev->bd_disk, bio_end_sector(bio) - 1);
+}
+
static inline unsigned int bio_zone_is_seq(struct bio *bio)
{
return disk_zone_is_seq(bio->bi_bdev->bd_disk, bio->bi_iter.bi_sector);
@@ -1328,6 +1335,12 @@ static inline sector_t bdev_offset_from_zone_start(struct block_device *bdev,
return sector & (bdev_zone_sectors(bdev) - 1);
}
+static inline sector_t bio_offset_from_zone_start(struct bio *bio)
+{
+ return bdev_offset_from_zone_start(bio->bi_bdev,
+ bio->bi_iter.bi_sector);
+}
+
static inline bool bdev_is_zone_start(struct block_device *bdev,
sector_t sector)
{