diff options
Diffstat (limited to 'drivers/block/swim.c')
| -rw-r--r-- | drivers/block/swim.c | 48 |
1 files changed, 17 insertions, 31 deletions
diff --git a/drivers/block/swim.c b/drivers/block/swim.c index d22cc3856937..cf7877fb8a7d 100644 --- a/drivers/block/swim.c +++ b/drivers/block/swim.c @@ -514,7 +514,7 @@ static int floppy_read_sectors(struct floppy_state *fs, ret = swim_read_sector(fs, side, track, sector, buffer); if (try-- == 0) - return -1; + return -EIO; } while (ret != 512); buffer += ret; @@ -528,45 +528,31 @@ static void redo_fd_request(struct request_queue *q) struct request *req; struct floppy_state *fs; - while ((req = elv_next_request(q))) { + req = blk_fetch_request(q); + while (req) { + int err = -EIO; fs = req->rq_disk->private_data; - if (req->sector < 0 || req->sector >= fs->total_secs) { - end_request(req, 0); - continue; - } - if (req->current_nr_sectors == 0) { - end_request(req, 1); - continue; - } - if (!fs->disk_in) { - end_request(req, 0); - continue; - } - if (rq_data_dir(req) == WRITE) { - if (fs->write_protected) { - end_request(req, 0); - continue; - } - } + if (blk_rq_pos(req) >= fs->total_secs) + goto done; + if (!fs->disk_in) + goto done; + if (rq_data_dir(req) == WRITE && fs->write_protected) + goto done; + switch (rq_data_dir(req)) { case WRITE: /* NOT IMPLEMENTED */ - end_request(req, 0); break; case READ: - if (floppy_read_sectors(fs, req->sector, - req->current_nr_sectors, - req->buffer)) { - end_request(req, 0); - continue; - } - req->nr_sectors -= req->current_nr_sectors; - req->sector += req->current_nr_sectors; - req->buffer += req->current_nr_sectors * 512; - end_request(req, 1); + err = floppy_read_sectors(fs, blk_rq_pos(req), + blk_rq_cur_sectors(req), + req->buffer); break; } + done: + if (!__blk_end_request_cur(req, err)) + req = blk_fetch_request(q); } } |