Re: GIT PULL] ext4 updates for 3.4

From: Andi Kleen
Date: Fri Mar 30 2012 - 16:55:12 EST

Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> writes:

> On Mon, Mar 26, 2012 at 11:07 AM, Theodore Ts'o <tytso@xxxxxxx> wrote:
>> Ext4 commits for 3.3 merge window; mostly cleanups and bug fixes
> Ted, is there any chance that the dirty handling (or something else)
> has some serious latency bug?

There's at least a serious scalability bug. That new extent cache
statistic count in the super block is showing up badly on IO profiles
on larger systems.


ak@xxxxxxxxxxxxxxx -- Speaking for myself only
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