linux-kernel - Re: btrfs_destroy_inode warn (outstanding extents)

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Date:   Fri, 9 Dec 2016 16:12:06 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Dave Jones <davej@...emonkey.org.uk>, Chris Mason <clm@...com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Jens Axboe <axboe@...com>,
        Andy Lutomirski <luto@...capital.net>,
        Andy Lutomirski <luto@...nel.org>,
        Al Viro <viro@...iv.linux.org.uk>, Josef Bacik <jbacik@...com>,
        David Sterba <dsterba@...e.com>,
        linux-btrfs <linux-btrfs@...r.kernel.org>,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        Dave Chinner <david@...morbit.com>
Subject: Re: btrfs_destroy_inode warn (outstanding extents)

On Thu, Dec 01, 2016 at 10:32:09AM -0500, Dave Jones wrote:
> 
> (function-graph screws up the RIP for some reason, 'return_to_handler'
>  should actually be btrfs_destroy_inode)

That's because function_graph hijacks the return address and replaces it with
return_to_handler. The back trace has code to show what that handler is
suppose to be. But I should see why the WARNING shows it instead, and fix
that too.

Thanks,

-- Steve