From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 14739] BUG: scheduling while atomic: nfsd/3369/0x00000002
Date: Mon, 7 Dec 2009 17:09:43 GMT
Message-ID: <200912071709.nB7H9hp9031149@demeter.kernel.org>
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http://bugzilla.kernel.org/show_bug.cgi?id=14739
--- Comment #2 from Aneesh Kumar K.V 2009-12-07 17:09:41 ---
On Sat, Dec 05, 2009 at 05:28:13PM +0000, bugzilla-daemon@bugzilla.kernel.org
wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=14739
>
>
> Trond Myklebust changed:
>
> What |Removed |Added
> ----------------------------------------------------------------------------
> CC| |trond.myklebust@fys.uio.no
> Component|NFS |ext4
> AssignedTo|trond.myklebust@fys.uio.no |fs_ext4@kernel-bugs.osdl.or
> | |g
>
>
>
>
> --- Comment #1 from Trond Myklebust 2009-12-05 17:28:12 ---
> Hmm... This looks to me like it is rather an ext4 bug. Reassigning to
> the ext4 folks for the moment.
>
Hmm we are doing dquot_reserve_space with i_block_reservation_lock held.
ie
spin_lock(&EXT4_I(inode)->i_block_reservation_lock);
- vfs_dq_reserve_block
- down_read(&sb_dqopt(inode->i_sb)->dqptr_sem)
Adding Mingming to CC:
-aneesh
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