REQ_OP_ZONE_APPEND bios cannot be split so return EIO if we can't fit it
into one IO.
Signed-off-by: Johannes Thumshirn <johannes.thumsh...@wdc.com>
---
drivers/md/dm.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 058c34abe9d1..c720a7e3269a 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1609,6 +1609,9 @@ static int __split_and_process_non_flush(struct
clone_info *ci)
len = min_t(sector_t, max_io_len(ci->sector, ti), ci->sector_count);
+ if (bio_op(ci->bio) == REQ_OP_ZONE_APPEND && len < ci->sector_count)
+ return -EIO;
+
r = __clone_and_map_data_bio(ci, ti, ci->sector, &len);
if (r < 0)
return r;
--
2.26.2
--
dm-devel mailing list
dm-devel@redhat.com
https://www.redhat.com/mailman/listinfo/dm-devel
