From: Jens Axboe <axboe@kernel.dk>
To: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Cc: linux-block@vger.kernel.org,
Damien Le Moal <Damien.LeMoal@wdc.com>,
Naohiro Aota <naohiro.aota@wdc.com>,
Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH v2] block: support zone append bvecs
Date: Wed, 24 Mar 2021 11:37:15 -0600 [thread overview]
Message-ID: <54d9e538-bd9c-6feb-a9b1-fea1e5d459a8@kernel.dk> (raw)
In-Reply-To: <10bd414d9326c90cd69029077db63b363854eee5.1616600835.git.johannes.thumshirn@wdc.com>
On 3/24/21 9:47 AM, Johannes Thumshirn wrote:
> Christoph reported that we'll likely trigger the WARN_ON_ONCE() checking
> that we're not submitting a bvec with REQ_OP_ZONE_APPEND in
> bio_iov_iter_get_pages() some time ago using zoned btrfs, but I couldn't
> reproduce it back then.
>
> Now Naohiro was able to trigger the bug as well with xfstests generic/095
> on a zoned btrfs.
>
> There is nothing that prevents bvec submissions via REQ_OP_ZONE_APPEND if
> the hardware's zone append limit is met.
Applied, thanks.
--
Jens Axboe
prev parent reply other threads:[~2021-03-24 17:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-24 15:47 [PATCH v2] block: support zone append bvecs Johannes Thumshirn
2021-03-24 17:33 ` Christoph Hellwig
2021-03-24 17:37 ` Jens Axboe [this message]
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