Otherwise it can create unaligned writes on zoned devices.
Fixes: a805a4fa4fa3 ("block: introduce zone_write_granularity limit")
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
block/blk-merge.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/block/blk-merge.c b/block/blk-merge.c
index d813d799cee7..d6895859a2fb 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -358,7 +358,8 @@ int bio_split_rw_at(struct bio *bio, const struct queue_limits *lim,
* split size so that each bio is properly block size aligned, even if
* we do not use the full hardware limits.
*/
- bytes = ALIGN_DOWN(bytes, lim->logical_block_size);
+ bytes = ALIGN_DOWN(bytes, lim->zone_write_granularity ?
+ lim->zone_write_granularity : lim->logical_block_size);
/*
* Bio splitting may cause subtle trouble such as hang when doing sync
--
2.45.2
