[PATCH 1/3] block/loop: don't hijack error number
From: Shaohua Li <hidden>
Date: 2017-08-30 19:17:16
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
If the bio returns -EOPNOTSUPP, we shouldn't hijack it and return -EIO Signed-off-by: Shaohua Li <redacted> --- drivers/block/loop.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index ef83349..054dccc 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c@@ -464,7 +464,7 @@ static void lo_complete_rq(struct request *rq) zero_fill_bio(bio); } - blk_mq_end_request(rq, cmd->ret < 0 ? BLK_STS_IOERR : BLK_STS_OK); + blk_mq_end_request(rq, errno_to_blk_status(cmd->ret)); } static void lo_rw_aio_complete(struct kiocb *iocb, long ret, long ret2)
@@ -1725,7 +1725,7 @@ static void loop_handle_cmd(struct loop_cmd *cmd) failed: /* complete non-aio request */ if (!cmd->use_aio || ret) { - cmd->ret = ret ? -EIO : 0; + cmd->ret = ret; blk_mq_complete_request(cmd->rq); } }
--
2.9.5