From: Jens Axboe <axboe@kernel.dk>
To: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
Christoph Hellwig <hch@lst.de>, Ming Lei <ming.lei@redhat.com>
Subject: Re: [PATCH] block: Fix page_is_mergeable() for compound pages
Date: Mon, 17 Aug 2020 19:36:15 -0700 [thread overview]
Message-ID: <79eec1be-c01f-e4d0-20c8-b4c31da97e5b@kernel.dk> (raw)
In-Reply-To: <20200817195206.15172-1-willy@infradead.org>
On 8/17/20 12:52 PM, Matthew Wilcox (Oracle) wrote:
> If we pass in an offset which is larger than PAGE_SIZE, then
> page_is_mergeable() thinks it's not mergeable with the previous bio_vec,
> leading to a large number of bio_vecs being used. Use a slightly more
> obvious test that the two pages are compatible with each other.
Applied, thanks.
--
Jens Axboe
prev parent reply other threads:[~2020-08-18 2:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-17 19:52 [PATCH] block: Fix page_is_mergeable() for compound pages Matthew Wilcox (Oracle)
2020-08-18 2:15 ` Ming Lei
2020-08-18 2:36 ` Jens Axboe [this message]
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