Re: [Bug #19062] Dirtiable inode bdi default != sb bdi btrfs
From: Ted Ts'o
Date: Sat Oct 02 2010 - 22:28:04 EST
On Sat, Oct 02, 2010 at 11:58:35PM +0200, Rafael J. Wysocki wrote:
> On Saturday, October 02, 2010, Ted Ts'o wrote:
> > On Sun, Sep 26, 2010 at 10:04:15PM +0200, Rafael J. Wysocki wrote:
> > > The following bug entry is on the current list of known regressions
> > > from 2.6.35. Please verify if it still should be listed and let the tracking team
> > > know (either way).
> > >
> > >
> > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=19062
> > > Subject : Dirtiable inode bdi default != sb bdi btrfs
> > > Submitter : Cesar Eduardo Barros <cesarb@xxxxxxxxxx>
> > > Date : 2010-09-23 0:54 (4 days old)
> > > Message-ID : <4C9AA546.6050201@xxxxxxxxxx>
> > > References : http://marc.info/?l=linux-kernel&m=128520328929595&w=2
> >
> > Note: I'm seeing this warning (Dirtiable inode bdi default != sb bdi)
> > when I moved from 2.6.36-rc3 to 2.6.36-rc6, using ext4 as a root
> > partition, and running mke2fs and e2fsck on ext2, ext3, and ext4 file
> > systems. So I'm seeing this as a known regression from rc3 to rc6.
> > Maybe it's different bug with ext4, but in any case, it's highly
> > annoying.
>
> Thanks for the info. I wonder who should see this report.
Oops, correction, the correct warning that I'm seeing is:
Dirtiable inode bdi block != sb bdi block
^^^^^ ^^^^^
------------[ cut here ]------------
WARNING: at /usr/projects/linux/ext4/fs/fs-writeback.c:87 inode_to_bdi+0x4e/0x5c()
Hardware name:
Dirtiable inode bdi block != sb bdi block
Modules linked in:
Pid: 21649, comm: mkfs.ext4 Tainted: G W 2.6.36-rc6-00016-gcc25699 #735
Call Trace:
[<c015a2e2>] warn_slowpath_common+0x6a/0x7f
[<c020a762>] ? inode_to_bdi+0x4e/0x5c
[<c015a36a>] warn_slowpath_fmt+0x2b/0x2f
[<c020a762>] inode_to_bdi+0x4e/0x5c
[<c020b6c3>] __mark_inode_dirty+0xaf/0x162
[<c0202305>] file_update_time+0xcc/0xe9
[<c01c68dd>] __generic_file_aio_write+0x136/0x28f
[<c02145a4>] blkdev_aio_write+0x33/0x72
[<c01f20da>] do_sync_write+0x8f/0xca
[<c0647678>] ? mutex_unlock+0xd/0xf
[<c030d528>] ? security_file_permission+0x27/0x2b
[<c01f227c>] ? rw_verify_area+0x9d/0xc0
[<c01f204b>] ? do_sync_write+0x0/0xca
[<c01f2629>] vfs_write+0x85/0xe3
[<c01f2725>] sys_write+0x40/0x62
[<c064915d>] syscall_call+0x7/0xb
---[ end trace 1f39401760ab3a42 ]---
- Ted
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