Re: kernel BUG when fsync'ing file in a overlayfs merged dir, located on btrfs

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On Thu, Mar 24, 2016 at 03:20:43PM +0000, Al Viro wrote:

> > ocfs2_prepare_inode_for_write uses file->f_path.dentry for
> > should_remove_suid (due to needing to do it early since cluster locking
> > is unknown in setattr, according to the commit).  Having
> > should_remove_suid operate on an inode would solve that easily.
> 
> Can't do - there are filesystems that _need_ dentry for ->setattr().

Grr...  Sorry, misread what you'd written.  should_remove_suid()
ought to be switched to inode, indeed.
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