[PATCH 1/7] block: add queue_logical_block_mask() and bdev_logical_block_mask()

[Yangtao Li]

Introduce queue_logical_block_mask() and bdev_logical_block_mask()
to simplify code, which replace (queue_logical_block_size(q) - 1)
and (bdev_logical_block_size(bdev) - 1).

Signed-off-by: Yangtao Li <frank.li at vivo.com>
---
 include/linux/blkdev.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index ed44a997f629..0cc0d1694ef6 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1150,11 +1150,21 @@ static inline unsigned queue_logical_block_size(const struct request_queue *q)
 	return retval;
 }
 
+static inline unsigned int queue_logical_block_mask(const struct request_queue *q)
+{
+	return queue_logical_block_size(q) - 1;
+}
+
 static inline unsigned int bdev_logical_block_size(struct block_device *bdev)
 {
 	return queue_logical_block_size(bdev_get_queue(bdev));
 }
 
+static inline unsigned int bdev_logical_block_mask(struct block_device *bdev)
+{
+	return bdev_logical_block_size(bdev) - 1;
+}
+
 static inline unsigned int queue_physical_block_size(const struct request_queue *q)
 {
 	return q->limits.physical_block_size;
-- 
2.39.0