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SubjectRe: [GIT PULL] block bits for 3.1-rc
On Sat, Aug 20, 2011 at 1:41 PM, Christoph Hellwig <> wrote:
> On Fri, Aug 19, 2011 at 03:16:40PM +0200, Jens Axboe wrote:
>> - Revert of the CFQ meta data special treatment patch, it's been shown
>>   to regress a kernel build workload by about 10%. More investigation
>>   is needed, for 3.1 lets just back it out.
> Sorry, but you can't simply do that without any coordination.  We have
> added that marker to xfs now that the stupid special casing stopped,
> and turning it back on will cause us massive slowdows.  Next time
> please better coordinate this with its users.  In fact I have never
> seen this patch or a discussion on any mailinglist. archive doesn't have the full thread for some reason, but here it is:
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