diff mbox series

[STABLE,5.15,2/5] block: add bdev_max_segments() helper

Message ID 20220822060704.1278361-3-naohiro.aota@wdc.com (mailing list archive)
State New, archived
Headers show
Series btrfs: zoned: backport max_extent_size fix | expand

Commit Message

Naohiro Aota Aug. 22, 2022, 6:07 a.m. UTC 
commit 65ea1b66482f415d51cd46515b02477257330339 upstream

Add bdev_max_segments() like other queue parameters.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
 include/linux/blkdev.h | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 2f4ba6e345d5..67344dfe07a7 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1393,6 +1393,11 @@  bdev_max_zone_append_sectors(struct block_device *bdev)
 	return queue_max_zone_append_sectors(bdev_get_queue(bdev));
 }
 
+static inline unsigned int bdev_max_segments(struct block_device *bdev)
+{
+	return queue_max_segments(bdev_get_queue(bdev));
+}
+
 static inline unsigned queue_logical_block_size(const struct request_queue *q)
 {
 	int retval = 512;