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authorChen, Kenneth W <kenneth.w.chen@intel.com>2006-12-06 20:40:43 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-07 08:39:46 -0800
commitb62e8ec2ac580b47c11eb76e8852ac1ec7d617cd (patch)
tree4fe334645cc47277ddac8be16b16e03b6d9dae66
parent85916f8166b59eeac63d2b4f7f1df8de849334b4 (diff)
downloadop-kernel-dev-b62e8ec2ac580b47c11eb76e8852ac1ec7d617cd.zip
op-kernel-dev-b62e8ec2ac580b47c11eb76e8852ac1ec7d617cd.tar.gz
[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 <kenneth.w.chen@intel.com> Acked-by: Zach Brown <zach.brown@oracle.com> Cc: Benjamin LaHaise <bcrl@kvack.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--fs/aio.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/aio.c b/fs/aio.c
index 13aa929..f02ad26 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;
}
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