From: Jens Axboe <axboe@kernel.dk>
To: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] block: ensure bdi->io_pages is always initialized
Date: Mon, 31 Aug 2020 12:10:11 -0600 [thread overview]
Message-ID: <8eb3881a-8ebd-fecb-d88b-3e1d77bc952f@kernel.dk> (raw)
In-Reply-To: <878sdu66sa.fsf@mail.parknet.co.jp>
On 8/31/20 11:53 AM, OGAWA Hirofumi wrote:
> Jens Axboe <axboe@kernel.dk> writes:
>
>> If a driver leaves the limit settings as the defaults, then we don't
>> initialize bdi->io_pages. This means that file systems may need to
>> work around bdi->io_pages == 0, which is somewhat messy.
>>
>> Initialize the default value just like we do for ->ra_pages.
>>
>> Cc: stable@vger.kernel.org
>> Reported-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
>> Signed-off-by: Jens Axboe <axboe@kernel.dk>
>
> When queued to submit, please let us know to drop fatfs workaround
> "fat-avoid-oops-when-bdi-io_pages==0.patch" in akpm series.
Will do - planning on submitting it for 5.9, so probably end this
week.
--
Jens Axboe
next prev parent reply other threads:[~2020-08-31 18:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-31 17:23 [PATCH] block: ensure bdi->io_pages is always initialized Jens Axboe
2020-08-31 17:53 ` OGAWA Hirofumi
2020-08-31 18:10 ` Jens Axboe [this message]
2020-08-31 18:20 ` OGAWA Hirofumi
2020-09-01 5:43 ` Christoph Hellwig
2020-09-01 14:00 ` Jens Axboe
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