From: Christoph Hellwig <hch@infradead.org>
To: Bart Van Assche <bvanassche@acm.org>
Cc: Changheun Lee <nanich.lee@samsung.com>,
damien.lemoal@wdc.com, Avri.Altman@wdc.com,
Johannes.Thumshirn@wdc.com, alex_y_xu@yahoo.ca,
alim.akhtar@samsung.com, asml.silence@gmail.com, axboe@kernel.dk,
bgoncalv@redhat.com, cang@codeaurora.org,
gregkh@linuxfoundation.org, hch@infradead.org,
jaegeuk@kernel.org, jejb@linux.ibm.com, jisoo2146.oh@samsung.com,
junho89.kim@samsung.com, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
martin.petersen@oracle.com, ming.lei@redhat.com,
mj0123.lee@samsung.com, osandov@fb.com, patchwork-bot@kernel.org,
seunghwan.hyun@samsung.com, sookwan7.kim@samsung.com,
tj@kernel.org, tom.leiming@gmail.com, woosung2.lee@samsung.com,
yi.zhang@redhat.com, yt0928.kim@samsung.com
Subject: Re: [PATCH v12 1/3] bio: control bio max size
Date: Mon, 7 Jun 2021 07:35:09 +0100 [thread overview]
Message-ID: <YL2+HeyKVMHsLNe2@infradead.org> (raw)
In-Reply-To: <63afd2d3-9fa3-9f90-a2b3-37235739f5e2@acm.org>
On Fri, Jun 04, 2021 at 07:52:35AM -0700, Bart Van Assche wrote:
> Damien is right. bd_disk can be NULL. From
bd_disk is initialized in bdev_alloc, so it should never be NULL.
bi_bdev OTOH is only set afer bio_add_page in various places or not at
all in case of passthrough bios. Which is a bit of a mess and I have
plans to fix it.
next prev parent reply other threads:[~2021-06-07 6:36 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20210604052157epcas1p2e5eebb52d08b06174696290e11fdd5a4@epcas1p2.samsung.com>
2021-06-04 5:03 ` [PATCH v12 0/3] bio: control bio max size Changheun Lee
2021-06-04 5:03 ` [PATCH v12 1/3] " Changheun Lee
2021-06-04 7:24 ` Damien Le Moal
2021-06-04 7:34 ` Changheun Lee
2021-06-04 8:01 ` Damien Le Moal
2021-06-04 9:23 ` Changheun Lee
2021-06-04 14:52 ` Bart Van Assche
2021-06-07 6:35 ` Christoph Hellwig [this message]
2021-06-07 16:46 ` Bart Van Assche
2021-06-08 5:22 ` Christoph Hellwig
2021-06-07 6:32 ` Christoph Hellwig
2021-06-07 10:42 ` Changheun Lee
2021-06-04 5:03 ` [PATCH v12 2/3] blk-sysfs: add max_bio_bytes Changheun Lee
2021-06-04 5:03 ` [PATCH v12 3/3] ufs: set max_bio_bytes with queue max sectors Changheun Lee
2021-06-04 16:11 ` Bart Van Assche
2021-06-07 9:21 ` Changheun Lee
2021-06-04 6:41 ` [PATCH v12 0/3] bio: control bio max size Can Guo
2021-06-04 16:13 ` Bart Van Assche
2021-06-07 9:57 ` Changheun Lee
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