diff options
| author | Ming Lei <ming.lei@redhat.com> | 2023-03-30 14:36:20 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-04-03 04:22:54 +0300 |
| commit | 903f8aeea9fd1b97fba4ab805ddd639f57f117f8 (patch) | |
| tree | 5130c5ecf02f441e6b93363b42274488b9564be4 /drivers/block/ublk_drv.c | |
| parent | 0d11f3cf279c5ad20a41f29242f170ba3c02f2da (diff) | |
| download | linux-903f8aeea9fd1b97fba4ab805ddd639f57f117f8.tar.xz | |
block: ublk_drv: add common exit handling
Simplify exit handling a bit, and prepare for supporting fused command.
Reviewed-by: Ziyang Zhang <ZiyangZhang@linux.alibaba.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/ublk_drv.c')
| -rw-r--r-- | drivers/block/ublk_drv.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c index d1d1c8d606c8..7b3d551938f4 100644 --- a/drivers/block/ublk_drv.c +++ b/drivers/block/ublk_drv.c @@ -655,14 +655,15 @@ static void ublk_complete_rq(struct request *req) struct ublk_queue *ubq = req->mq_hctx->driver_data; struct ublk_io *io = &ubq->ios[req->tag]; unsigned int unmapped_bytes; + blk_status_t res = BLK_STS_OK; /* failed read IO if nothing is read */ if (!io->res && req_op(req) == REQ_OP_READ) io->res = -EIO; if (io->res < 0) { - blk_mq_end_request(req, errno_to_blk_status(io->res)); - return; + res = errno_to_blk_status(io->res); + goto exit; } /* @@ -671,10 +672,8 @@ static void ublk_complete_rq(struct request *req) * * Both the two needn't unmap. */ - if (req_op(req) != REQ_OP_READ && req_op(req) != REQ_OP_WRITE) { - blk_mq_end_request(req, BLK_STS_OK); - return; - } + if (req_op(req) != REQ_OP_READ && req_op(req) != REQ_OP_WRITE) + goto exit; /* for READ request, writing data in iod->addr to rq buffers */ unmapped_bytes = ublk_unmap_io(ubq, req, io); @@ -691,6 +690,10 @@ static void ublk_complete_rq(struct request *req) blk_mq_requeue_request(req, true); else __blk_mq_end_request(req, BLK_STS_OK); + + return; +exit: + blk_mq_end_request(req, res); } /* |