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@xxxxxxxxxxxxxxxxxxxx> Cc: Jens Axboe <axboe@xxxxxxxxx> Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx> Cc: Jeff Moyer <jmoyer@xxxxxxxxxx> Cc: linux-fsdevel@xxxxxxxxxxxxxxx -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
