raid1: copy write hint from master bio to behind bio

Signed-off-by: Mariusz Dabrowski <mariusz.dabrowski@intel.com> Reviewed-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com> Reviewed-by: Pawel Baldysiak <pawel.baldysiak@intel.com> Signed-off-by: Shaohua Li <shli@fb.com>
mariux64 · Apr 9, 2018 · dba40d4 · dba40d4
1 parent 8c24259
commit dba40d4
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
@@ -1102,6 +1102,8 @@ static void alloc_behind_master_bio(struct r1bio *r1_bio,
 		goto skip_copy;
 	}
 
+	behind_bio->bi_write_hint = bio->bi_write_hint;
+
 	while (i < vcnt && size) {
 		struct page *page;
 		int len = min_t(int, PAGE_SIZE, size);