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-rw-r--r--drivers/md/dm.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 2cdae4a810e2..c2089c38f855 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1790,8 +1790,7 @@ static void init_clone_info(struct clone_info *ci, struct dm_io *io,
}
#ifdef CONFIG_BLK_DEV_ZONED
-static inline bool dm_zone_bio_needs_split(struct mapped_device *md,
- struct bio *bio)
+static inline bool dm_zone_bio_needs_split(struct bio *bio)
{
/*
* Special case the zone operations that cannot or should not be split.
@@ -1807,13 +1806,11 @@ static inline bool dm_zone_bio_needs_split(struct mapped_device *md,
}
/*
- * Mapped devices that require zone append emulation will use the block
- * layer zone write plugging. In such case, we must split any large BIO
- * to the mapped device limits to avoid potential deadlocks with queue
- * freeze operations.
+ * When mapped devices use the block layer zone write plugging, we must
+ * split any large BIO to the mapped device limits to not submit BIOs
+ * that span zone boundaries and to avoid potential deadlocks with
+ * queue freeze operations.
*/
- if (!dm_emulate_zone_append(md))
- return false;
return bio_needs_zone_write_plugging(bio) || bio_straddles_zones(bio);
}
@@ -1937,8 +1934,7 @@ static blk_status_t __send_zone_reset_all(struct clone_info *ci)
}
#else
-static inline bool dm_zone_bio_needs_split(struct mapped_device *md,
- struct bio *bio)
+static inline bool dm_zone_bio_needs_split(struct bio *bio)
{
return false;
}
@@ -1965,7 +1961,7 @@ static void dm_split_and_process_bio(struct mapped_device *md,
is_abnormal = is_abnormal_io(bio);
if (static_branch_unlikely(&zoned_enabled)) {
- need_split = is_abnormal || dm_zone_bio_needs_split(md, bio);
+ need_split = is_abnormal || dm_zone_bio_needs_split(bio);
} else {
need_split = is_abnormal;
}