}
EXPORT_SYMBOL(blk_queue_io_opt);
+static int queue_limit_alignment_offset(struct queue_limits *lim,
+ sector_t sector)
+{
+ unsigned int granularity = max(lim->physical_block_size, lim->io_min);
+ unsigned int alignment = sector_div(sector, granularity >> SECTOR_SHIFT)
+ << SECTOR_SHIFT;
+
+ return (granularity + lim->alignment_offset - alignment) % granularity;
+}
+
static unsigned int blk_round_down_sectors(unsigned int sectors, unsigned int lbs)
{
sectors = round_down(sectors, lbs >> SECTOR_SHIFT);
}
}
EXPORT_SYMBOL_GPL(blk_queue_set_zoned);
+
+int bdev_alignment_offset(struct block_device *bdev)
+{
+ struct request_queue *q = bdev_get_queue(bdev);
+
+ if (q->limits.misaligned)
+ return -1;
+ if (bdev_is_partition(bdev))
+ return queue_limit_alignment_offset(&q->limits,
+ bdev->bd_start_sect);
+ return q->limits.alignment_offset;
+}
+EXPORT_SYMBOL_GPL(bdev_alignment_offset);
return queue_zone_write_granularity(bdev_get_queue(bdev));
}
-static inline int queue_limit_alignment_offset(struct queue_limits *lim, sector_t sector)
-{
- unsigned int granularity = max(lim->physical_block_size, lim->io_min);
- unsigned int alignment = sector_div(sector, granularity >> SECTOR_SHIFT)
- << SECTOR_SHIFT;
-
- return (granularity + lim->alignment_offset - alignment) % granularity;
-}
-
-static inline int bdev_alignment_offset(struct block_device *bdev)
-{
- struct request_queue *q = bdev_get_queue(bdev);
-
- if (q->limits.misaligned)
- return -1;
- if (bdev_is_partition(bdev))
- return queue_limit_alignment_offset(&q->limits,
- bdev->bd_start_sect);
- return q->limits.alignment_offset;
-}
+int bdev_alignment_offset(struct block_device *bdev);
static inline int queue_discard_alignment(const struct request_queue *q)
{