From: Andrew Morton <akpm@linux-foundation.org>
To: Akinobu Mita <akinobu.mita@gmail.com>
Cc: linux-kernel@vger.kernel.org, Jens Axboe <axboe@kernel.dk>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Jeff Moyer <jmoyer@redhat.com>,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 0/3] implement readpages() for block device to optimize sequential read
Date: Thu, 14 Aug 2014 15:04:25 -0700 [thread overview]
Message-ID: <20140814150425.dfbb6c7eb7ab250e985dac28@linux-foundation.org> (raw)
In-Reply-To: <1407249514-20465-1-git-send-email-akinobu.mita@gmail.com>
On Tue, 5 Aug 2014 23:38:31 +0900 Akinobu Mita <akinobu.mita@gmail.com> wrote:
> This patchset implements readpages() operation for block device by
> using mpage_readpages() which can create multipage BIOs instead of
> BIOs for each page and reduce system CPU time consumption.
Patchset is simple and straightforward enough. But who the
heck cares about the performance of buffered reads from /dev/XXX?
next prev parent reply other threads:[~2014-08-14 22:04 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-05 14:38 Akinobu Mita
2014-08-05 14:38 ` [PATCH 1/3] vfs: make guard_bh_eod() more generic Akinobu Mita
2014-08-05 14:38 ` [PATCH 2/3] vfs: guard end of device for mpage interface Akinobu Mita
2014-08-05 14:38 ` [PATCH 3/3] block_dev: implement readpages() to optimize sequential read Akinobu Mita
2014-08-14 22:04 ` Andrew Morton [this message]
2014-08-15 17:09 ` [PATCH 0/3] implement readpages() for block device " Akinobu Mita
2014-08-21 21:44 ` Andrew Morton
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