Re: [patch] block: remove BKL dependency from drivers/block/loop.c

[Ingo Molnar <mingo@elte.hu>]

* Ingo Molnar <mingo@elte.hu> wrote:

> Subject: [patch] block: remove BKL dependency from drivers/block/loop.c
> From: Ingo Molnar <mingo@elte.hu>
> 
> the block loopback device is protected by lo->lo_ctl_mutex and it does 
> not need to hold the BKL anywhere. Convert its ioctl to unlocked_ioctl 
> and remove the BKL acquire/release from its compat_ioctl.

hm, i must have messed up this bit:

> +static long lo_ioctl(struct file * file, unsigned int cmd, unsigned long arg)
>  {
> +	struct inode *inode = file->f_path.dentry->d_inode;
>  	struct loop_device *lo = inode->i_bdev->bd_disk->private_data;

because it now crashes there ... so forget this patch for now.

	Ingo