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Message-Id: <20140814150425.dfbb6c7eb7ab250e985dac28@linux-foundation.org> Date: Thu, 14 Aug 2014 15:04:25 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: Akinobu Mita <akinobu.mita@...il.com> Cc: linux-kernel@...r.kernel.org, Jens Axboe <axboe@...nel.dk>, Alexander Viro <viro@...iv.linux.org.uk>, Jeff Moyer <jmoyer@...hat.com>, linux-fsdevel@...r.kernel.org Subject: Re: [PATCH 0/3] implement readpages() for block device to optimize sequential read On Tue, 5 Aug 2014 23:38:31 +0900 Akinobu Mita <akinobu.mita@...il.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? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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