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SubjectRe: writeback: bad unlock balance detected in 3.5-rc1
On Sat, Jun 09, 2012 at 08:37:28AM +0900, Fengguang Wu wrote:
>
> Here is the updated changelog:
>
> writeback: Fix lock imbalance in writeback_sb_inodes()
>
> Fix bug introduced by 169ebd90. We have to have wb_list_lock locked when
> restarting writeback loop after having waited for inode writeback.
>
> Bug description by Ted Tso:
>
> I can reproduce this fairly easily by using ext4 w/o a journal, running
> under KVM with 1024megs memory, with fsstress (xfstests #13):

Not that it matters that much, but I typo'ed the description; sorry
about that. The KVM only had 1024k of memory....

- Ted


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