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Diffstat (limited to 'drivers/scsi/sd.c')
-rw-r--r--drivers/scsi/sd.c35
1 files changed, 15 insertions, 20 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 7c4d2e68df1c..43f34c73df12 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -609,17 +609,15 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq)
609 * In the latter case @inode and @filp carry an abridged amount 609 * In the latter case @inode and @filp carry an abridged amount
610 * of information as noted above. 610 * of information as noted above.
611 **/ 611 **/
612static int sd_open(struct inode *inode, struct file *filp) 612static int sd_open(struct block_device *bdev, fmode_t mode)
613{ 613{
614 struct gendisk *disk = inode->i_bdev->bd_disk; 614 struct scsi_disk *sdkp = scsi_disk_get(bdev->bd_disk);
615 struct scsi_disk *sdkp;
616 struct scsi_device *sdev; 615 struct scsi_device *sdev;
617 int retval; 616 int retval;
618 617
619 if (!(sdkp = scsi_disk_get(disk))) 618 if (!sdkp)
620 return -ENXIO; 619 return -ENXIO;
621 620
622
623 SCSI_LOG_HLQUEUE(3, sd_printk(KERN_INFO, sdkp, "sd_open\n")); 621 SCSI_LOG_HLQUEUE(3, sd_printk(KERN_INFO, sdkp, "sd_open\n"));
624 622
625 sdev = sdkp->device; 623 sdev = sdkp->device;
@@ -633,14 +631,13 @@ static int sd_open(struct inode *inode, struct file *filp)
633 goto error_out; 631 goto error_out;
634 632
635 if (sdev->removable || sdkp->write_prot) 633 if (sdev->removable || sdkp->write_prot)
636 check_disk_change(inode->i_bdev); 634 check_disk_change(bdev);
637 635
638 /* 636 /*
639 * If the drive is empty, just let the open fail. 637 * If the drive is empty, just let the open fail.
640 */ 638 */
641 retval = -ENOMEDIUM; 639 retval = -ENOMEDIUM;
642 if (sdev->removable && !sdkp->media_present && 640 if (sdev->removable && !sdkp->media_present && !(mode & FMODE_NDELAY))
643 !(filp->f_flags & O_NDELAY))
644 goto error_out; 641 goto error_out;
645 642
646 /* 643 /*
@@ -648,7 +645,7 @@ static int sd_open(struct inode *inode, struct file *filp)
648 * if the user expects to be able to write to the thing. 645 * if the user expects to be able to write to the thing.
649 */ 646 */
650 retval = -EROFS; 647 retval = -EROFS;
651 if (sdkp->write_prot && (filp->f_mode & FMODE_WRITE)) 648 if (sdkp->write_prot && (mode & FMODE_WRITE))
652 goto error_out; 649 goto error_out;
653 650
654 /* 651 /*
@@ -684,9 +681,8 @@ error_out:
684 * Note: may block (uninterruptible) if error recovery is underway 681 * Note: may block (uninterruptible) if error recovery is underway
685 * on this disk. 682 * on this disk.
686 **/ 683 **/
687static int sd_release(struct inode *inode, struct file *filp) 684static int sd_release(struct gendisk *disk, fmode_t mode)
688{ 685{
689 struct gendisk *disk = inode->i_bdev->bd_disk;
690 struct scsi_disk *sdkp = scsi_disk(disk); 686 struct scsi_disk *sdkp = scsi_disk(disk);
691 struct scsi_device *sdev = sdkp->device; 687 struct scsi_device *sdev = sdkp->device;
692 688
@@ -743,10 +739,9 @@ static int sd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
743 * Note: most ioctls are forward onto the block subsystem or further 739 * Note: most ioctls are forward onto the block subsystem or further
744 * down in the scsi subsystem. 740 * down in the scsi subsystem.
745 **/ 741 **/
746static int sd_ioctl(struct inode * inode, struct file * filp, 742static int sd_ioctl(struct block_device *bdev, fmode_t mode,
747 unsigned int cmd, unsigned long arg) 743 unsigned int cmd, unsigned long arg)
748{ 744{
749 struct block_device *bdev = inode->i_bdev;
750 struct gendisk *disk = bdev->bd_disk; 745 struct gendisk *disk = bdev->bd_disk;
751 struct scsi_device *sdp = scsi_disk(disk)->device; 746 struct scsi_device *sdp = scsi_disk(disk)->device;
752 void __user *p = (void __user *)arg; 747 void __user *p = (void __user *)arg;
@@ -761,7 +756,8 @@ static int sd_ioctl(struct inode * inode, struct file * filp,
761 * may try and take the device offline, in which case all further 756 * may try and take the device offline, in which case all further
762 * access to the device is prohibited. 757 * access to the device is prohibited.
763 */ 758 */
764 error = scsi_nonblockable_ioctl(sdp, cmd, p, filp); 759 error = scsi_nonblockable_ioctl(sdp, cmd, p,
760 (mode & FMODE_NDELAY_NOW) != 0);
765 if (!scsi_block_when_processing_errors(sdp) || !error) 761 if (!scsi_block_when_processing_errors(sdp) || !error)
766 return error; 762 return error;
767 763
@@ -775,7 +771,7 @@ static int sd_ioctl(struct inode * inode, struct file * filp,
775 case SCSI_IOCTL_GET_BUS_NUMBER: 771 case SCSI_IOCTL_GET_BUS_NUMBER:
776 return scsi_ioctl(sdp, cmd, p); 772 return scsi_ioctl(sdp, cmd, p);
777 default: 773 default:
778 error = scsi_cmd_ioctl(filp, disk->queue, disk, cmd, p); 774 error = scsi_cmd_ioctl(disk->queue, disk, mode, cmd, p);
779 if (error != -ENOTTY) 775 if (error != -ENOTTY)
780 return error; 776 return error;
781 } 777 }
@@ -928,11 +924,10 @@ static void sd_rescan(struct device *dev)
928 * This gets directly called from VFS. When the ioctl 924 * This gets directly called from VFS. When the ioctl
929 * is not recognized we go back to the other translation paths. 925 * is not recognized we go back to the other translation paths.
930 */ 926 */
931static long sd_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 927static int sd_compat_ioctl(struct block_device *bdev, fmode_t mode,
928 unsigned int cmd, unsigned long arg)
932{ 929{
933 struct block_device *bdev = file->f_path.dentry->d_inode->i_bdev; 930 struct scsi_device *sdev = scsi_disk(bdev->bd_disk)->device;
934 struct gendisk *disk = bdev->bd_disk;
935 struct scsi_device *sdev = scsi_disk(disk)->device;
936 931
937 /* 932 /*
938 * If we are in the middle of error recovery, don't let anyone 933 * If we are in the middle of error recovery, don't let anyone
@@ -962,7 +957,7 @@ static struct block_device_operations sd_fops = {
962 .owner = THIS_MODULE, 957 .owner = THIS_MODULE,
963 .open = sd_open, 958 .open = sd_open,
964 .release = sd_release, 959 .release = sd_release,
965 .ioctl = sd_ioctl, 960 .locked_ioctl = sd_ioctl,
966 .getgeo = sd_getgeo, 961 .getgeo = sd_getgeo,
967#ifdef CONFIG_COMPAT 962#ifdef CONFIG_COMPAT
968 .compat_ioctl = sd_compat_ioctl, 963 .compat_ioctl = sd_compat_ioctl,