linux-kernel - Re: [PATCH] block: fix "check bi

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Message-ID: <de2ee79e-be07-8129-9ba6-9ec3e2bc1ab3@kernel.dk>
Date:   Mon, 9 Dec 2019 22:04:48 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     Andreas Gruenbacher <agruenba@...hat.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Junichi Nomura <j-nomura@...jp.nec.com>,
        Christoph Hellwig <hch@....de>, Ming Lei <ming.lei@...hat.com>,
        Hannes Reinecke <hare@...e.de>, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] block: fix "check bi_size overflow before merge"

On 12/9/19 12:11 PM, Andreas Gruenbacher wrote:
> This partially reverts commit e3a5d8e386c3fb973fa75f2403622a8f3640ec06.
> 
> Commit e3a5d8e386c3 ("check bi_size overflow before merge") adds a bio_full
> check to __bio_try_merge_page.  This will cause __bio_try_merge_page to fail
> when the last bi_io_vec has been reached.  Instead, what we want here is only
> the bi_size overflow check.

Applied, thanks.

-- 
Jens Axboe