X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fscsi%2Fsd.c;h=c9e1242eaf2511067e122e89b331d438823a0a69;hb=1137fb670465b6b5d15b9db7d01707a5833ee3ae;hp=7c4d2e68df1c3e974998d12dbc83c66302ef0d59;hpb=45e4a24f7b6b23810142112b5850fe75696a1155;p=linux-2.6-omap-h63xx.git diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 7c4d2e68df1..c9e1242eaf2 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) * In the latter case @inode and @filp carry an abridged amount * of information as noted above. **/ -static int sd_open(struct inode *inode, struct file *filp) +static int sd_open(struct block_device *bdev, fmode_t mode) { - struct gendisk *disk = inode->i_bdev->bd_disk; - struct scsi_disk *sdkp; + struct scsi_disk *sdkp = scsi_disk_get(bdev->bd_disk); struct scsi_device *sdev; int retval; - if (!(sdkp = scsi_disk_get(disk))) + if (!sdkp) return -ENXIO; - SCSI_LOG_HLQUEUE(3, sd_printk(KERN_INFO, sdkp, "sd_open\n")); sdev = sdkp->device; @@ -633,14 +631,13 @@ static int sd_open(struct inode *inode, struct file *filp) goto error_out; if (sdev->removable || sdkp->write_prot) - check_disk_change(inode->i_bdev); + check_disk_change(bdev); /* * If the drive is empty, just let the open fail. */ retval = -ENOMEDIUM; - if (sdev->removable && !sdkp->media_present && - !(filp->f_flags & O_NDELAY)) + if (sdev->removable && !sdkp->media_present && !(mode & FMODE_NDELAY)) goto error_out; /* @@ -648,7 +645,7 @@ static int sd_open(struct inode *inode, struct file *filp) * if the user expects to be able to write to the thing. */ retval = -EROFS; - if (sdkp->write_prot && (filp->f_mode & FMODE_WRITE)) + if (sdkp->write_prot && (mode & FMODE_WRITE)) goto error_out; /* @@ -684,9 +681,8 @@ error_out: * Note: may block (uninterruptible) if error recovery is underway * on this disk. **/ -static int sd_release(struct inode *inode, struct file *filp) +static int sd_release(struct gendisk *disk, fmode_t mode) { - struct gendisk *disk = inode->i_bdev->bd_disk; struct scsi_disk *sdkp = scsi_disk(disk); struct scsi_device *sdev = sdkp->device; @@ -743,10 +739,9 @@ static int sd_getgeo(struct block_device *bdev, struct hd_geometry *geo) * Note: most ioctls are forward onto the block subsystem or further * down in the scsi subsystem. **/ -static int sd_ioctl(struct inode * inode, struct file * filp, +static int sd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg) { - struct block_device *bdev = inode->i_bdev; struct gendisk *disk = bdev->bd_disk; struct scsi_device *sdp = scsi_disk(disk)->device; void __user *p = (void __user *)arg; @@ -761,7 +756,8 @@ static int sd_ioctl(struct inode * inode, struct file * filp, * may try and take the device offline, in which case all further * access to the device is prohibited. */ - error = scsi_nonblockable_ioctl(sdp, cmd, p, filp); + error = scsi_nonblockable_ioctl(sdp, cmd, p, + (mode & FMODE_NDELAY_NOW) != 0); if (!scsi_block_when_processing_errors(sdp) || !error) return error; @@ -775,7 +771,7 @@ static int sd_ioctl(struct inode * inode, struct file * filp, case SCSI_IOCTL_GET_BUS_NUMBER: return scsi_ioctl(sdp, cmd, p); default: - error = scsi_cmd_ioctl(filp, disk->queue, disk, cmd, p); + error = scsi_cmd_ioctl(disk->queue, disk, mode, cmd, p); if (error != -ENOTTY) return error; } @@ -928,11 +924,10 @@ static void sd_rescan(struct device *dev) * This gets directly called from VFS. When the ioctl * is not recognized we go back to the other translation paths. */ -static long sd_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +static int sd_compat_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long arg) { - struct block_device *bdev = file->f_path.dentry->d_inode->i_bdev; - struct gendisk *disk = bdev->bd_disk; - struct scsi_device *sdev = scsi_disk(disk)->device; + struct scsi_device *sdev = scsi_disk(bdev->bd_disk)->device; /* * If we are in the middle of error recovery, don't let anyone @@ -962,7 +957,7 @@ static struct block_device_operations sd_fops = { .owner = THIS_MODULE, .open = sd_open, .release = sd_release, - .ioctl = sd_ioctl, + .locked_ioctl = sd_ioctl, .getgeo = sd_getgeo, #ifdef CONFIG_COMPAT .compat_ioctl = sd_compat_ioctl, @@ -1054,7 +1049,6 @@ static int sd_done(struct scsi_cmnd *SCpnt) good_bytes = sd_completed_bytes(SCpnt); break; case RECOVERED_ERROR: - case NO_SENSE: /* Inform the user, but make sure that it's not treated * as a hard error. */ @@ -1063,6 +1057,15 @@ static int sd_done(struct scsi_cmnd *SCpnt) memset(SCpnt->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); good_bytes = scsi_bufflen(SCpnt); break; + case NO_SENSE: + /* This indicates a false check condition, so ignore it. An + * unknown amount of data was transferred so treat it as an + * error. + */ + scsi_print_sense("sd", SCpnt); + SCpnt->result = 0; + memset(SCpnt->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); + break; case ABORTED_COMMAND: if (sshdr.asc == 0x10) { /* DIF: Disk detected corruption */ scsi_print_result(SCpnt); @@ -1076,15 +1079,6 @@ static int sd_done(struct scsi_cmnd *SCpnt) scsi_print_sense("sd", SCpnt); good_bytes = sd_completed_bytes(SCpnt); } - if (!scsi_device_protection(SCpnt->device) && - SCpnt->device->use_10_for_rw && - (SCpnt->cmnd[0] == READ_10 || - SCpnt->cmnd[0] == WRITE_10)) - SCpnt->device->use_10_for_rw = 0; - if (SCpnt->device->use_10_for_ms && - (SCpnt->cmnd[0] == MODE_SENSE_10 || - SCpnt->cmnd[0] == MODE_SELECT_10)) - SCpnt->device->use_10_for_ms = 0; break; default: break; @@ -1437,7 +1431,7 @@ got_data: { char cap_str_2[10], cap_str_10[10]; - u64 sz = sdkp->capacity << ffz(~sector_size); + u64 sz = (u64)sdkp->capacity << ilog2(sector_size); string_get_size(sz, STRING_UNITS_2, cap_str_2, sizeof(cap_str_2));