[PATCH V2 1/3] block/loop: don't hijack error number
From: Shaohua Li <shli@kernel.org>
Date: 2017-09-07 00:13:24
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
From: Shaohua Li <redacted> If the bio returns -EOPNOTSUPP, we shouldn't hijack it and return -EIO Signed-off-by: Shaohua Li <redacted> --- drivers/block/loop.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 85de673..715b762 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c@@ -460,7 +460,7 @@ 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_do_completion(struct loop_cmd *cmd)
@@ -476,7 +476,7 @@ static void lo_rw_aio_complete(struct kiocb *iocb, long ret, long ret2) { struct loop_cmd *cmd = container_of(iocb, struct loop_cmd, iocb); - cmd->ret = ret; + cmd->ret = ret > 0 ? 0 : ret; lo_rw_aio_do_completion(cmd); }
@@ -1706,7 +1706,7 @@ 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