[PATCH] block: don't call should_fail_request() for !CONFIG_FAIL_MAKE_REQUEST

Jens Axboe
2021-10-05T15:32:29Z

Unnecessary function call, if we don't have that specific configuration
option enabled.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

---

diff --git a/block/blk-core.c b/block/blk-core.c
index 5454db2fa263..a267f11f55cb 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -697,8 +697,10 @@ static inline bool bio_check_ro(struct bio *bio)

static noinline int should_fail_bio(struct bio *bio)
{
+#ifdef CONFIG_FAIL_MAKE_REQUEST
if (should_fail_request(bdev_whole(bio->bi_bdev), bio->bi_iter.bi_size))
return -EIO;
+#endif
return 0;
}
ALLOW_ERROR_INJECTION(should_fail_bio, ERRNO);

--
Jens Axboe