Bias the location of pages freed for min_free_kbytes in the same MAX_ORDER_NR_PAGES...

[sfrench/cifs-2.6.git] / block / ioctl.c

diff --git a/block/ioctl.c b/block/ioctl.c
index e3f5eb9882cf4dfb403f6ca64f7262180b9db0fa..52d6385216ad43d1c76c88adae613b7513efa6b5 100644 (file)
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -80,9 +80,9 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user
                        }
                        /* all seems OK */
                        fsync_bdev(bdevp);
-                       invalidate_bdev(bdevp, 0);
+                       invalidate_bdev(bdevp);
 
-                       mutex_lock(&bdev->bd_mutex);
+                       mutex_lock_nested(&bdev->bd_mutex, 1);
                        delete_partition(disk, part);
                        mutex_unlock(&bdev->bd_mutex);
                        mutex_unlock(&bdevp->bd_mutex);
@@ -217,6 +217,10 @@ int blkdev_driver_ioctl(struct inode *inode, struct file *file,
 }
 EXPORT_SYMBOL_GPL(blkdev_driver_ioctl);
 
+/*
+ * always keep this in sync with compat_blkdev_ioctl() and
+ * compat_blkdev_locked_ioctl()
+ */
 int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
                        unsigned long arg)
 {
@@ -236,7 +240,7 @@ int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
 
                lock_kernel();
                fsync_bdev(bdev);
-               invalidate_bdev(bdev, 0);
+               invalidate_bdev(bdev);
                unlock_kernel();
                return 0;
 
@@ -284,21 +288,4 @@ int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
 
        return blkdev_driver_ioctl(inode, file, disk, cmd, arg);
 }
-
-/* Most of the generic ioctls are handled in the normal fallback path.
-   This assumes the blkdev's low level compat_ioctl always returns
-   ENOIOCTLCMD for unknown ioctls. */
-long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
-{
-       struct block_device *bdev = file->f_path.dentry->d_inode->i_bdev;
-       struct gendisk *disk = bdev->bd_disk;
-       int ret = -ENOIOCTLCMD;
-       if (disk->fops->compat_ioctl) {
-               lock_kernel();
-               ret = disk->fops->compat_ioctl(file, cmd, arg);
-               unlock_kernel();
-       }
-       return ret;
-}
-
 EXPORT_SYMBOL_GPL(blkdev_ioctl);