linux-kernel - Re: [PATCH v7] NVMe: conversion to blk-mq

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Date:	Tue, 10 Jun 2014 16:19:18 +0000
From:	Jens Axboe <axboe@...com>
To:	Keith Busch <keith.busch@...el.com>
CC:	Matias Bjørling <m@...rling.me>,
	"willy@...ux.intel.com" <willy@...ux.intel.com>,
	"sbradshaw@...ron.com" <sbradshaw@...ron.com>,
	"tom.leiming@...il.com" <tom.leiming@...il.com>,
	"hch@...radead.org" <hch@...radead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-nvme@...ts.infradead.org" <linux-nvme@...ts.infradead.org>
Subject: Re: [PATCH v7] NVMe: conversion to blk-mq


> On Jun 10, 2014, at 9:52 AM, Keith Busch <keith.busch@...el.com> wrote:
> 
>> On Tue, 10 Jun 2014, Matias Bjørling wrote:
>> This converts the current NVMe driver to utilize the blk-mq layer.
> 
> I'd like to run xfstests on this, but it is failing mkfs.xfs. I honestly
> don't know much about this area, but I think this may be from the recent
> chunk sectors patch causing a __bio_add_page to reject adding a new page.

Gah, yes that's a bug in the chunk patch. It must always allow a single page at any offset. I'll test and send out a fix. 


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