From: Chen, Kenneth W Date: Thu, 7 Dec 2006 04:40:43 +0000 (-0800) Subject: [PATCH] aio: kill pointless ki_nbytes assignment in aio_setup_single_vector X-Git-Tag: v2.6.20-rc1~145^2^2~39 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=b62e8ec2ac580b47c11eb76e8852ac1ec7d617cd;p=linux-2.6-omap-h63xx.git [PATCH] aio: kill pointless ki_nbytes assignment in aio_setup_single_vector io_submit_one assigns ki_left = ki_nbytes = iocb->aio_nbytes, then calls down to aio_setup_iocb, then to aio_setup_single_vector. In there, ki_nbytes is reassigned to the same value it got two call stack above it. There is no need to do so. Signed-off-by: Ken Chen Acked-by: Zach Brown Cc: Benjamin LaHaise Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/fs/aio.c b/fs/aio.c index 13aa9298abf..f02ad2677fc 100644 --- a/fs/aio.c +++ b/fs/aio.c @@ -1413,7 +1413,6 @@ static ssize_t aio_setup_single_vector(struct kiocb *kiocb) kiocb->ki_iovec->iov_len = kiocb->ki_left; kiocb->ki_nr_segs = 1; kiocb->ki_cur_seg = 0; - kiocb->ki_nbytes = kiocb->ki_left; return 0; }