diff options
Diffstat (limited to 'drivers/block/xd.c')
| -rw-r--r-- | drivers/block/xd.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/drivers/block/xd.c b/drivers/block/xd.c index 4ef88018bcde..d4c4352354b5 100644 --- a/drivers/block/xd.c +++ b/drivers/block/xd.c @@ -305,26 +305,31 @@ static void do_xd_request (struct request_queue * q) if (xdc_busy) return; - while ((req = elv_next_request(q)) != NULL) { + req = elv_next_request(q); + if (req) + blkdev_dequeue_request(req); + + while (req) { unsigned block = blk_rq_pos(req); - unsigned count = blk_rq_sectors(req); + unsigned count = blk_rq_cur_sectors(req); XD_INFO *disk = req->rq_disk->private_data; - int res = 0; + int res = -EIO; int retry; - if (!blk_fs_request(req)) { - __blk_end_request_cur(req, -EIO); - continue; - } - if (block + count > get_capacity(req->rq_disk)) { - __blk_end_request_cur(req, -EIO); - continue; - } + if (!blk_fs_request(req)) + goto done; + if (block + count > get_capacity(req->rq_disk)) + goto done; for (retry = 0; (retry < XD_RETRIES) && !res; retry++) res = xd_readwrite(rq_data_dir(req), disk, req->buffer, block, count); + done: /* wrap up, 0 = success, -errno = fail */ - __blk_end_request_cur(req, res); + if (!__blk_end_request_cur(req, res)) { + req = elv_next_request(q); + if (req) + blkdev_dequeue_request(req); + } } } |