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Message-Id: <1407249514-20465-1-git-send-email-akinobu.mita@gmail.com> Date: Tue, 5 Aug 2014 23:38:31 +0900 From: Akinobu Mita <akinobu.mita@...il.com> To: linux-kernel@...r.kernel.org Cc: Akinobu Mita <akinobu.mita@...il.com>, Andrew Morton <akpm@...ux-foundation.org>, Jens Axboe <axboe@...nel.dk>, Alexander Viro <viro@...iv.linux.org.uk>, Jeff Moyer <jmoyer@...hat.com>, linux-fsdevel@...r.kernel.org Subject: [PATCH 0/3] implement readpages() for block device to optimize sequential read 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. Akinobu Mita (3): vfs: make guard_bh_eod() more generic vfs: guard end of device for mpage interface block_dev: implement readpages() to optimize sequential read fs/block_dev.c | 7 +++++++ fs/buffer.c | 26 ++++++++++++-------------- fs/internal.h | 5 +++++ fs/mpage.c | 2 ++ 4 files changed, 26 insertions(+), 14 deletions(-) Cc: Andrew Morton <akpm@...ux-foundation.org> Cc: Jens Axboe <axboe@...nel.dk> Cc: Alexander Viro <viro@...iv.linux.org.uk> Cc: Jeff Moyer <jmoyer@...hat.com> Cc: linux-fsdevel@...r.kernel.org -- 1.9.1 -- 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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