diff options
Diffstat (limited to 'drivers/block')
-rw-r--r-- | drivers/block/cciss.c | 5 | ||||
-rw-r--r-- | drivers/block/ll_rw_blk.c | 38 | ||||
-rw-r--r-- | drivers/block/paride/pf.c | 22 | ||||
-rw-r--r-- | drivers/block/pktcdvd.c | 4 | ||||
-rw-r--r-- | drivers/block/scsi_ioctl.c | 9 | ||||
-rw-r--r-- | drivers/block/ub.c | 55 |
6 files changed, 53 insertions, 80 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index c56f995aada..486b6e1c7df 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -483,9 +483,6 @@ static int cciss_open(struct inode *inode, struct file *filep) printk(KERN_DEBUG "cciss_open %s\n", inode->i_bdev->bd_disk->disk_name); #endif /* CCISS_DEBUG */ - if (host->busy_initializing) - return -EBUSY; - if (host->busy_initializing || drv->busy_configuring) return -EBUSY; /* @@ -2991,6 +2988,7 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, hba[i]->access.set_intr_mask(hba[i], CCISS_INTR_ON); cciss_procinit(i); + hba[i]->busy_initializing = 0; for(j=0; j < NWD; j++) { /* mfm */ drive_info_struct *drv = &(hba[i]->drv[j]); @@ -3033,7 +3031,6 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, add_disk(disk); } - hba[i]->busy_initializing = 0; return(1); clean4: diff --git a/drivers/block/ll_rw_blk.c b/drivers/block/ll_rw_blk.c index 483d71b10cf..baedac52294 100644 --- a/drivers/block/ll_rw_blk.c +++ b/drivers/block/ll_rw_blk.c @@ -2373,44 +2373,6 @@ int blkdev_issue_flush(struct block_device *bdev, sector_t *error_sector) EXPORT_SYMBOL(blkdev_issue_flush); -/** - * blkdev_scsi_issue_flush_fn - issue flush for SCSI devices - * @q: device queue - * @disk: gendisk - * @error_sector: error offset - * - * Description: - * Devices understanding the SCSI command set, can use this function as - * a helper for issuing a cache flush. Note: driver is required to store - * the error offset (in case of error flushing) in ->sector of struct - * request. - */ -int blkdev_scsi_issue_flush_fn(request_queue_t *q, struct gendisk *disk, - sector_t *error_sector) -{ - struct request *rq = blk_get_request(q, WRITE, __GFP_WAIT); - int ret; - - rq->flags |= REQ_BLOCK_PC | REQ_SOFTBARRIER; - rq->sector = 0; - memset(rq->cmd, 0, sizeof(rq->cmd)); - rq->cmd[0] = 0x35; - rq->cmd_len = 12; - rq->data = NULL; - rq->data_len = 0; - rq->timeout = 60 * HZ; - - ret = blk_execute_rq(q, disk, rq, 0); - - if (ret && error_sector) - *error_sector = rq->sector; - - blk_put_request(rq); - return ret; -} - -EXPORT_SYMBOL(blkdev_scsi_issue_flush_fn); - static void drive_stat_acct(struct request *rq, int nr_sectors, int new_io) { int rw = rq_data_dir(rq); diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c index 711d2f314ac..94af920465b 100644 --- a/drivers/block/paride/pf.c +++ b/drivers/block/paride/pf.c @@ -750,6 +750,14 @@ static int pf_ready(void) static struct request_queue *pf_queue; +static void pf_end_request(int uptodate) +{ + if (pf_req) { + end_request(pf_req, uptodate); + pf_req = NULL; + } +} + static void do_pf_request(request_queue_t * q) { if (pf_busy) @@ -765,7 +773,7 @@ repeat: pf_count = pf_req->current_nr_sectors; if (pf_block + pf_count > get_capacity(pf_req->rq_disk)) { - end_request(pf_req, 0); + pf_end_request(0); goto repeat; } @@ -780,7 +788,7 @@ repeat: pi_do_claimed(pf_current->pi, do_pf_write); else { pf_busy = 0; - end_request(pf_req, 0); + pf_end_request(0); goto repeat; } } @@ -798,9 +806,11 @@ static int pf_next_buf(void) if (!pf_count) return 1; spin_lock_irqsave(&pf_spin_lock, saved_flags); - end_request(pf_req, 1); - pf_count = pf_req->current_nr_sectors; - pf_buf = pf_req->buffer; + pf_end_request(1); + if (pf_req) { + pf_count = pf_req->current_nr_sectors; + pf_buf = pf_req->buffer; + } spin_unlock_irqrestore(&pf_spin_lock, saved_flags); return 1; } @@ -810,7 +820,7 @@ static inline void next_request(int success) unsigned long saved_flags; spin_lock_irqsave(&pf_spin_lock, saved_flags); - end_request(pf_req, success); + pf_end_request(success); pf_busy = 0; do_pf_request(pf_queue); spin_unlock_irqrestore(&pf_spin_lock, saved_flags); diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 7e22a58926b..a280e679b1c 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -229,7 +229,7 @@ static int pkt_grow_pktlist(struct pktcdvd_device *pd, int nr_packets) return 1; } -static void *pkt_rb_alloc(unsigned int __nocast gfp_mask, void *data) +static void *pkt_rb_alloc(gfp_t gfp_mask, void *data) { return kmalloc(sizeof(struct pkt_rb_node), gfp_mask); } @@ -2082,7 +2082,7 @@ static int pkt_close(struct inode *inode, struct file *file) } -static void *psd_pool_alloc(unsigned int __nocast gfp_mask, void *data) +static void *psd_pool_alloc(gfp_t gfp_mask, void *data) { return kmalloc(sizeof(struct packet_stacked_data), gfp_mask); } diff --git a/drivers/block/scsi_ioctl.c b/drivers/block/scsi_ioctl.c index 856c2278e9d..382dea7b224 100644 --- a/drivers/block/scsi_ioctl.c +++ b/drivers/block/scsi_ioctl.c @@ -168,6 +168,7 @@ static int verify_command(struct file *file, unsigned char *cmd) safe_for_write(WRITE_VERIFY_12), safe_for_write(WRITE_16), safe_for_write(WRITE_LONG), + safe_for_write(WRITE_LONG_2), safe_for_write(ERASE), safe_for_write(GPCMD_MODE_SELECT_10), safe_for_write(MODE_SELECT), @@ -200,15 +201,15 @@ static int verify_command(struct file *file, unsigned char *cmd) return 0; } + /* And root can do any command.. */ + if (capable(CAP_SYS_RAWIO)) + return 0; + if (!type) { cmd_type[cmd[0]] = CMD_WARNED; printk(KERN_WARNING "scsi: unknown opcode 0x%02x\n", cmd[0]); } - /* And root can do any command.. */ - if (capable(CAP_SYS_RAWIO)) - return 0; - /* Otherwise fail it with an "Operation not permitted" */ return -EPERM; } diff --git a/drivers/block/ub.c b/drivers/block/ub.c index aa0bf7ee008..ed4d5006fe6 100644 --- a/drivers/block/ub.c +++ b/drivers/block/ub.c @@ -172,7 +172,7 @@ struct bulk_cs_wrap { */ struct ub_dev; -#define UB_MAX_REQ_SG 4 +#define UB_MAX_REQ_SG 9 /* cdrecord requires 32KB and maybe a header */ #define UB_MAX_SECTORS 64 /* @@ -387,7 +387,7 @@ struct ub_dev { struct bulk_cs_wrap work_bcs; struct usb_ctrlrequest work_cr; - int sg_stat[UB_MAX_REQ_SG+1]; + int sg_stat[6]; struct ub_scsi_trace tr; }; @@ -525,12 +525,13 @@ static ssize_t ub_diag_show(struct device *dev, struct device_attribute *attr, "qlen %d qmax %d\n", sc->cmd_queue.qlen, sc->cmd_queue.qmax); cnt += sprintf(page + cnt, - "sg %d %d %d %d %d\n", + "sg %d %d %d %d %d .. %d\n", sc->sg_stat[0], sc->sg_stat[1], sc->sg_stat[2], sc->sg_stat[3], - sc->sg_stat[4]); + sc->sg_stat[4], + sc->sg_stat[5]); list_for_each (p, &sc->luns) { lun = list_entry(p, struct ub_lun, link); @@ -835,7 +836,7 @@ static int ub_cmd_build_block(struct ub_dev *sc, struct ub_lun *lun, return -1; } cmd->nsg = n_elem; - sc->sg_stat[n_elem]++; + sc->sg_stat[n_elem < 5 ? n_elem : 5]++; /* * build the command @@ -891,7 +892,7 @@ static int ub_cmd_build_packet(struct ub_dev *sc, struct ub_lun *lun, return -1; } cmd->nsg = n_elem; - sc->sg_stat[n_elem]++; + sc->sg_stat[n_elem < 5 ? n_elem : 5]++; memcpy(&cmd->cdb, rq->cmd, rq->cmd_len); cmd->cdb_len = rq->cmd_len; @@ -1010,7 +1011,6 @@ static int ub_scsi_cmd_start(struct ub_dev *sc, struct ub_scsi_cmd *cmd) sc->last_pipe = sc->send_bulk_pipe; usb_fill_bulk_urb(&sc->work_urb, sc->dev, sc->send_bulk_pipe, bcb, US_BULK_CB_WRAP_LEN, ub_urb_complete, sc); - sc->work_urb.transfer_flags = 0; /* Fill what we shouldn't be filling, because usb-storage did so. */ sc->work_urb.actual_length = 0; @@ -1019,7 +1019,6 @@ static int ub_scsi_cmd_start(struct ub_dev *sc, struct ub_scsi_cmd *cmd) if ((rc = usb_submit_urb(&sc->work_urb, GFP_ATOMIC)) != 0) { /* XXX Clear stalls */ - printk("ub: cmd #%d start failed (%d)\n", cmd->tag, rc); /* P3 */ ub_complete(&sc->work_done); return rc; } @@ -1190,11 +1189,9 @@ static void ub_scsi_urb_compl(struct ub_dev *sc, struct ub_scsi_cmd *cmd) return; } if (urb->status != 0) { - printk("ub: cmd #%d cmd status (%d)\n", cmd->tag, urb->status); /* P3 */ goto Bad_End; } if (urb->actual_length != US_BULK_CB_WRAP_LEN) { - printk("ub: cmd #%d xferred %d\n", cmd->tag, urb->actual_length); /* P3 */ /* XXX Must do reset here to unconfuse the device */ goto Bad_End; } @@ -1395,14 +1392,12 @@ static void ub_data_start(struct ub_dev *sc, struct ub_scsi_cmd *cmd) usb_fill_bulk_urb(&sc->work_urb, sc->dev, pipe, page_address(sg->page) + sg->offset, sg->length, ub_urb_complete, sc); - sc->work_urb.transfer_flags = 0; sc->work_urb.actual_length = 0; sc->work_urb.error_count = 0; sc->work_urb.status = 0; if ((rc = usb_submit_urb(&sc->work_urb, GFP_ATOMIC)) != 0) { /* XXX Clear stalls */ - printk("ub: data #%d submit failed (%d)\n", cmd->tag, rc); /* P3 */ ub_complete(&sc->work_done); ub_state_done(sc, cmd, rc); return; @@ -1442,7 +1437,6 @@ static int __ub_state_stat(struct ub_dev *sc, struct ub_scsi_cmd *cmd) sc->last_pipe = sc->recv_bulk_pipe; usb_fill_bulk_urb(&sc->work_urb, sc->dev, sc->recv_bulk_pipe, &sc->work_bcs, US_BULK_CS_WRAP_LEN, ub_urb_complete, sc); - sc->work_urb.transfer_flags = 0; sc->work_urb.actual_length = 0; sc->work_urb.error_count = 0; sc->work_urb.status = 0; @@ -1563,7 +1557,6 @@ static int ub_submit_clear_stall(struct ub_dev *sc, struct ub_scsi_cmd *cmd, usb_fill_control_urb(&sc->work_urb, sc->dev, sc->send_ctrl_pipe, (unsigned char*) cr, NULL, 0, ub_urb_complete, sc); - sc->work_urb.transfer_flags = 0; sc->work_urb.actual_length = 0; sc->work_urb.error_count = 0; sc->work_urb.status = 0; @@ -2000,17 +1993,16 @@ static int ub_sync_getmaxlun(struct ub_dev *sc) usb_fill_control_urb(&sc->work_urb, sc->dev, sc->recv_ctrl_pipe, (unsigned char*) cr, p, 1, ub_probe_urb_complete, &compl); - sc->work_urb.transfer_flags = 0; sc->work_urb.actual_length = 0; sc->work_urb.error_count = 0; sc->work_urb.status = 0; if ((rc = usb_submit_urb(&sc->work_urb, GFP_KERNEL)) != 0) { if (rc == -EPIPE) { - printk("%s: Stall at GetMaxLUN, using 1 LUN\n", + printk("%s: Stall submitting GetMaxLUN, using 1 LUN\n", sc->name); /* P3 */ } else { - printk(KERN_WARNING + printk(KERN_NOTICE "%s: Unable to submit GetMaxLUN (%d)\n", sc->name, rc); } @@ -2028,6 +2020,18 @@ static int ub_sync_getmaxlun(struct ub_dev *sc) del_timer_sync(&timer); usb_kill_urb(&sc->work_urb); + if ((rc = sc->work_urb.status) < 0) { + if (rc == -EPIPE) { + printk("%s: Stall at GetMaxLUN, using 1 LUN\n", + sc->name); /* P3 */ + } else { + printk(KERN_NOTICE + "%s: Error at GetMaxLUN (%d)\n", + sc->name, rc); + } + goto err_io; + } + if (sc->work_urb.actual_length != 1) { printk("%s: GetMaxLUN returned %d bytes\n", sc->name, sc->work_urb.actual_length); /* P3 */ @@ -2048,6 +2052,7 @@ static int ub_sync_getmaxlun(struct ub_dev *sc) kfree(p); return nluns; +err_io: err_submit: kfree(p); err_alloc: @@ -2080,7 +2085,6 @@ static int ub_probe_clear_stall(struct ub_dev *sc, int stalled_pipe) usb_fill_control_urb(&sc->work_urb, sc->dev, sc->send_ctrl_pipe, (unsigned char*) cr, NULL, 0, ub_probe_urb_complete, &compl); - sc->work_urb.transfer_flags = 0; sc->work_urb.actual_length = 0; sc->work_urb.error_count = 0; sc->work_urb.status = 0; @@ -2213,8 +2217,10 @@ static int ub_probe(struct usb_interface *intf, * This is needed to clear toggles. It is a problem only if we do * `rmmod ub && modprobe ub` without disconnects, but we like that. */ +#if 0 /* iPod Mini fails if we do this (big white iPod works) */ ub_probe_clear_stall(sc, sc->recv_bulk_pipe); ub_probe_clear_stall(sc, sc->send_bulk_pipe); +#endif /* * The way this is used by the startup code is a little specific. @@ -2241,10 +2247,10 @@ static int ub_probe(struct usb_interface *intf, for (i = 0; i < 3; i++) { if ((rc = ub_sync_getmaxlun(sc)) < 0) { /* - * Some devices (i.e. Iomega Zip100) need this -- - * apparently the bulk pipes get STALLed when the - * GetMaxLUN request is processed. - * XXX I have a ZIP-100, verify it does this. + * This segment is taken from usb-storage. They say + * that ZIP-100 needs this, but my own ZIP-100 works + * fine without this. + * Still, it does not seem to hurt anything. */ if (rc == -EPIPE) { ub_probe_clear_stall(sc, sc->recv_bulk_pipe); @@ -2313,7 +2319,7 @@ static int ub_probe_lun(struct ub_dev *sc, int lnum) disk->first_minor = lun->id * UB_MINORS_PER_MAJOR; disk->fops = &ub_bd_fops; disk->private_data = lun; - disk->driverfs_dev = &sc->intf->dev; /* XXX Many to one ok? */ + disk->driverfs_dev = &sc->intf->dev; rc = -ENOMEM; if ((q = blk_init_queue(ub_request_fn, &sc->lock)) == NULL) @@ -2466,9 +2472,6 @@ static int __init ub_init(void) { int rc; - /* P3 */ printk("ub: sizeof ub_scsi_cmd %zu ub_dev %zu ub_lun %zu\n", - sizeof(struct ub_scsi_cmd), sizeof(struct ub_dev), sizeof(struct ub_lun)); - if ((rc = register_blkdev(UB_MAJOR, DRV_NAME)) != 0) goto err_regblkdev; devfs_mk_dir(DEVFS_NAME); |