linux-kernel - Re: Dirtiable inode bdi default != sb bdi btrfs

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Message-ID: <4CA12F01.2@cesarb.net>
Date:	Mon, 27 Sep 2010 20:55:45 -0300
From:	Cesar Eduardo Barros <cesarb@...arb.net>
To:	Jan Kara <jack@...e.cz>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Jens Axboe <jaxboe@...ionio.com>,
	Chris Mason <chris.mason@...cle.com>,
	linux-btrfs@...r.kernel.org,
	Alexander Viro <viro@...iv.linux.org.uk>,
	linux-fsdevel@...r.kernel.org, stable@...nel.org,
	Jens Axboe <axboe@...nel.dk>,
	Michał Piotrowski <mkkp4x4@...il.com>,
	Chuck Ebbert <cebbert@...hat.com>,
	kernel@...ts.fedoraproject.org
Subject: Re: Dirtiable inode bdi default != sb bdi btrfs

Em 27-09-2010 19:25, Jan Kara escreveu:
> [Added CCs for similar ecryptfs warning]
> On Thu 23-09-10 12:38:49, Andrew Morton wrote:
>>> [...]
>>> device fsid 44d595920ddedfa-3ece6b56e80f689e devid 1 transid 22342
>>> /dev/mapper/vg_cesarbinspiro-lv_home
>>> SELinux: initialized (dev dm-3, type btrfs), uses xattr
>>> ------------[ cut here ]------------
>>> WARNING: at fs/fs-writeback.c:87 inode_to_bdi+0x62/0x6d()
>>> Hardware name: Inspiron N4010
>>> Dirtiable inode bdi default != sb bdi btrfs
>    That suggests that we should probably handle such cases in a more generic
> way by changing the code in inode_init_always(). The patch below makes at
> least btrfs happy for me... Could you maybe test it? Thanks.

Applied on top of v2.6.36-rc5-151-g32163f4, running it right now. The 
warning messages no longer happen, and everything seems to be working fine.

Tested-by: Cesar Eduardo Barros <cesarb@...arb.net>

-- 
Cesar Eduardo Barros
cesarb@...arb.net
cesar.barros@...il.com
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