Re: [PATCH v9] fs: clear file privilege bits when mmap writing

[Al Viro]

On Wed, May 25, 2016 at 02:36:57PM -0700, Kees Cook wrote:

> Hm, this didn't end up getting picked up. (This jumped out at me again
> because i_mutex just vanished...)
> 
> Al, what's the right way to update the locking in this patch?

->i_mutex is dealt with just by using lock_inode(inode)/unlock_inode(inode);
I hadn't looked at the rest of the locking in there.