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block: remove BKL from partition ioctls 

The blkpg_ioctl and blkdev_reread_part access fields of
the bdev and gendisk structures, yet they always do so
under the protection of bdev->bd_mutex, which seems
sufficient.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
cked-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
Arnd Bergmann 2010-07-07 16:51:28 +02:00 committed by Jens Axboe
parent 6de4370310
commit 15392efb9d
1 changed files with 0 additions and 4 deletions
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4
block/ioctl.c
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@ -296,14 +296,10 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
bd_release(bdev); bd_release(bdev);
return ret; return ret;
case BLKPG: case BLKPG:
lock_kernel();
ret = blkpg_ioctl(bdev, (struct blkpg_ioctl_arg __user *) arg); ret = blkpg_ioctl(bdev, (struct blkpg_ioctl_arg __user *) arg);
unlock_kernel();
break; break;
case BLKRRPART: case BLKRRPART:
lock_kernel();
ret = blkdev_reread_part(bdev); ret = blkdev_reread_part(bdev);
unlock_kernel();
break; break;
case BLKGETSIZE: case BLKGETSIZE:
size = bdev->bd_inode->i_size; size = bdev->bd_inode->i_size;