X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fblock%2Fub.c;h=2e889838e819016c8c693cba1d0498595a027565;hb=9e8808a99c6decdb4ab78081a26d3752339f424c;hp=8c2cc71327e3f47f9d04ae16927fcd972110f44a;hpb=c3a4d78c580de4edc9ef0f7c59812fb02ceb037f;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/block/ub.c b/drivers/block/ub.c index 8c2cc71..2e88983 100644 --- a/drivers/block/ub.c +++ b/drivers/block/ub.c @@ -360,8 +360,7 @@ static void ub_cmd_build_block(struct ub_dev *sc, struct ub_lun *lun, static void ub_cmd_build_packet(struct ub_dev *sc, struct ub_lun *lun, struct ub_scsi_cmd *cmd, struct ub_request *urq); static void ub_rw_cmd_done(struct ub_dev *sc, struct ub_scsi_cmd *cmd); -static void ub_end_rq(struct request *rq, unsigned int status, - unsigned int cmd_len); +static void ub_end_rq(struct request *rq, unsigned int status); static int ub_rw_cmd_retry(struct ub_dev *sc, struct ub_lun *lun, struct ub_request *urq, struct ub_scsi_cmd *cmd); static int ub_submit_scsi(struct ub_dev *sc, struct ub_scsi_cmd *cmd); @@ -394,7 +393,7 @@ static int ub_probe_lun(struct ub_dev *sc, int lnum); #define ub_usb_ids usb_storage_usb_ids #else -static struct usb_device_id ub_usb_ids[] = { +static const struct usb_device_id ub_usb_ids[] = { { USB_INTERFACE_INFO(USB_CLASS_MASS_STORAGE, US_SC_SCSI, US_PR_BULK) }, { } }; @@ -627,7 +626,7 @@ static void ub_request_fn(struct request_queue *q) struct ub_lun *lun = q->queuedata; struct request *rq; - while ((rq = elv_next_request(q)) != NULL) { + while ((rq = blk_peek_request(q)) != NULL) { if (ub_request_fn_1(lun, rq) != 0) { blk_stop_queue(q); break; @@ -643,14 +642,14 @@ static int ub_request_fn_1(struct ub_lun *lun, struct request *rq) int n_elem; if (atomic_read(&sc->poison)) { - blkdev_dequeue_request(rq); - ub_end_rq(rq, DID_NO_CONNECT << 16, blk_rq_bytes(rq)); + blk_start_request(rq); + ub_end_rq(rq, DID_NO_CONNECT << 16); return 0; } if (lun->changed && !blk_pc_request(rq)) { - blkdev_dequeue_request(rq); - ub_end_rq(rq, SAM_STAT_CHECK_CONDITION, blk_rq_bytes(rq)); + blk_start_request(rq); + ub_end_rq(rq, SAM_STAT_CHECK_CONDITION); return 0; } @@ -660,7 +659,7 @@ static int ub_request_fn_1(struct ub_lun *lun, struct request *rq) return -1; memset(cmd, 0, sizeof(struct ub_scsi_cmd)); - blkdev_dequeue_request(rq); + blk_start_request(rq); urq = &lun->urq; memset(urq, 0, sizeof(struct ub_request)); @@ -702,7 +701,7 @@ static int ub_request_fn_1(struct ub_lun *lun, struct request *rq) drop: ub_put_cmd(lun, cmd); - ub_end_rq(rq, DID_ERROR << 16, blk_rq_bytes(rq)); + ub_end_rq(rq, DID_ERROR << 16); return 0; } @@ -723,11 +722,11 @@ static void ub_cmd_build_block(struct ub_dev *sc, struct ub_lun *lun, /* * build the command * - * The call to blk_queue_hardsect_size() guarantees that request + * The call to blk_queue_logical_block_size() guarantees that request * is aligned, but it is given in terms of 512 byte units, always. */ - block = rq->sector >> lun->capacity.bshift; - nblks = rq->nr_sectors >> lun->capacity.bshift; + block = blk_rq_pos(rq) >> lun->capacity.bshift; + nblks = blk_rq_sectors(rq) >> lun->capacity.bshift; cmd->cdb[0] = (cmd->dir == UB_DIR_READ)? READ_10: WRITE_10; /* 10-byte uses 4 bytes of LBA: 2147483648KB, 2097152MB, 2048GB */ @@ -739,7 +738,7 @@ static void ub_cmd_build_block(struct ub_dev *sc, struct ub_lun *lun, cmd->cdb[8] = nblks; cmd->cdb_len = 10; - cmd->len = rq->nr_sectors * 512; + cmd->len = blk_rq_bytes(rq); } static void ub_cmd_build_packet(struct ub_dev *sc, struct ub_lun *lun, @@ -747,7 +746,7 @@ static void ub_cmd_build_packet(struct ub_dev *sc, struct ub_lun *lun, { struct request *rq = urq->rq; - if (rq->data_len == 0) { + if (blk_rq_bytes(rq) == 0) { cmd->dir = UB_DIR_NONE; } else { if (rq_data_dir(rq) == WRITE) @@ -762,7 +761,7 @@ static void ub_cmd_build_packet(struct ub_dev *sc, struct ub_lun *lun, memcpy(&cmd->cdb, rq->cmd, rq->cmd_len); cmd->cdb_len = rq->cmd_len; - cmd->len = rq->data_len; + cmd->len = blk_rq_bytes(rq); /* * To reapply this to every URB is not as incorrect as it looks. @@ -777,14 +776,15 @@ static void ub_rw_cmd_done(struct ub_dev *sc, struct ub_scsi_cmd *cmd) struct ub_request *urq = cmd->back; struct request *rq; unsigned int scsi_status; - unsigned int cmd_len; rq = urq->rq; if (cmd->error == 0) { if (blk_pc_request(rq)) { - if (cmd->act_len < rq->data_len) - rq->resid_len = rq->data_len - cmd->act_len; + if (cmd->act_len >= rq->resid_len) + rq->resid_len = 0; + else + rq->resid_len -= cmd->act_len; scsi_status = 0; } else { if (cmd->act_len != cmd->len) { @@ -816,17 +816,14 @@ static void ub_rw_cmd_done(struct ub_dev *sc, struct ub_scsi_cmd *cmd) urq->rq = NULL; - cmd_len = cmd->len; ub_put_cmd(lun, cmd); - ub_end_rq(rq, scsi_status, cmd_len); + ub_end_rq(rq, scsi_status); blk_start_queue(lun->disk->queue); } -static void ub_end_rq(struct request *rq, unsigned int scsi_status, - unsigned int cmd_len) +static void ub_end_rq(struct request *rq, unsigned int scsi_status) { int error; - long rqlen; if (scsi_status == 0) { error = 0; @@ -834,12 +831,7 @@ static void ub_end_rq(struct request *rq, unsigned int scsi_status, error = -EIO; rq->errors = scsi_status; } - rqlen = blk_rq_bytes(rq); /* Oddly enough, this is the residue. */ - if (__blk_end_request(rq, error, cmd_len)) { - printk(KERN_WARNING DRV_NAME - ": __blk_end_request blew, %s-cmd total %u rqlen %ld\n", - blk_pc_request(rq)? "pc": "fs", cmd_len, rqlen); - } + __blk_end_request_all(rq, error); } static int ub_rw_cmd_retry(struct ub_dev *sc, struct ub_lun *lun, @@ -1757,7 +1749,7 @@ static int ub_bd_revalidate(struct gendisk *disk) ub_revalidate(lun->udev, lun); /* XXX Support sector size switching like in sr.c */ - blk_queue_hardsect_size(disk->queue, lun->capacity.bsize); + blk_queue_logical_block_size(disk->queue, lun->capacity.bsize); set_capacity(disk, lun->capacity.nsec); // set_disk_ro(sdkp->disk, lun->readonly); @@ -1797,7 +1789,7 @@ static int ub_bd_media_changed(struct gendisk *disk) return lun->changed; } -static struct block_device_operations ub_bd_fops = { +static const struct block_device_operations ub_bd_fops = { .owner = THIS_MODULE, .open = ub_bd_open, .release = ub_bd_release, @@ -2328,11 +2320,10 @@ static int ub_probe_lun(struct ub_dev *sc, int lnum) disk->queue = q; blk_queue_bounce_limit(q, BLK_BOUNCE_HIGH); - blk_queue_max_hw_segments(q, UB_MAX_REQ_SG); - blk_queue_max_phys_segments(q, UB_MAX_REQ_SG); + blk_queue_max_segments(q, UB_MAX_REQ_SG); blk_queue_segment_boundary(q, 0xffffffff); /* Dubious. */ - blk_queue_max_sectors(q, UB_MAX_SECTORS); - blk_queue_hardsect_size(q, lun->capacity.bsize); + blk_queue_max_hw_sectors(q, UB_MAX_SECTORS); + blk_queue_logical_block_size(q, lun->capacity.bsize); lun->disk = disk; q->queuedata = lun;