X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=block%2Fioctl.c;h=c832d639b6e254eb375d9c69504172182ab14c4d;hb=a70dcb969f64e2fa98c24f47854f20bf02ff0092;hp=bd214cb37f2b892bff799207d269a33a5762fb27;hpb=45048d0961cdbf7ddfba906797ad8cb42489e070;p=linux-2.6-omap-h63xx.git

diff --git a/block/ioctl.c b/block/ioctl.c
index bd214cb37f2..c832d639b6e 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -230,20 +230,13 @@ 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,
+int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
 			unsigned long arg)
 {
-	struct block_device *bdev = inode->i_bdev;
 	struct gendisk *disk = bdev->bd_disk;
 	struct backing_dev_info *bdi;
 	loff_t size;
 	int ret, n;
-	fmode_t mode = 0;
-	if (file) {
-		mode = file->f_mode;
-		if (file->f_flags & O_NDELAY)
-			mode |= FMODE_NDELAY_NOW;
-	}
 
 	switch(cmd) {
 	case BLKFLSBUF:
@@ -343,10 +336,11 @@ int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
 			return -EINVAL;
 		if (get_user(n, (int __user *) arg))
 			return -EFAULT;
-		if (bd_claim(bdev, file) < 0)
+		if (!(mode & FMODE_EXCL) && bd_claim(bdev, &bdev) < 0)
 			return -EBUSY;
 		ret = set_blocksize(bdev, n);
-		bd_release(bdev);
+		if (!(mode & FMODE_EXCL))
+			bd_release(bdev);
 		return ret;
 	case BLKPG:
 		lock_kernel();