[PATCH] switch sd

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 17 insertions, 24 deletions

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index c8b95e8d2859..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)
  *      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_mode & FMODE_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;
@@ -762,7 +757,7 @@ static int sd_ioctl(struct inode * inode, struct file * filp,
          * access to the device is prohibited.
          */
         error = scsi_nonblockable_ioctl(sdp, cmd, p,
-                                        filp ? filp->f_flags & O_NDELAY : 0);
+                                        (mode & FMODE_NDELAY_NOW) != 0);
         if (!scsi_block_when_processing_errors(sdp) || !error)
                 return error;
 
@@ -776,8 +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(disk->queue, disk,
-                                        filp ? filp->f_mode : 0, cmd, p);
+                        error = scsi_cmd_ioctl(disk->queue, disk, mode, cmd, p);
                         if (error != -ENOTTY)
                                 return error;
         }
@@ -930,11 +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
@@ -962,12 +955,12 @@ static long sd_compat_ioctl(struct file *file, unsigned int cmd, unsigned long a
 
 static struct block_device_operations sd_fops = {
         .owner                  = THIS_MODULE,
-        .__open                 = sd_open,
-        .__release              = sd_release,
-        .__ioctl                        = sd_ioctl,
+        .open                   = sd_open,
+        .release                = sd_release,
+        .locked_ioctl           = sd_ioctl,
         .getgeo                 = sd_getgeo,
 #ifdef CONFIG_COMPAT
-        .__compat_ioctl         = sd_compat_ioctl,
+        .compat_ioctl           = sd_compat_ioctl,
 #endif
         .media_changed          = sd_media_changed,
         .revalidate_disk        = sd_revalidate_disk,