From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shaohua Li Subject: Re: [PATCH] md: fix super_offset endianness in super_1_rdev_size_change Date: Thu, 9 Mar 2017 20:47:27 -0800 Message-ID: <20170310044727.lfwu4qjmgl5bj622@kernel.org> References: <1489116443-16195-1-git-send-email-yanaijie@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1489116443-16195-1-git-send-email-yanaijie@huawei.com> Sender: linux-raid-owner@vger.kernel.org To: Jason Yan Cc: linux-raid@vger.kernel.org, miaoxie@huawei.com, zhaohongjiang@huawei.com List-Id: linux-raid.ids On Fri, Mar 10, 2017 at 11:27:23AM +0800, Jason Yan wrote: > The sb->super_offset should be big-endian, but the rdev->sb_start is in > host byte order, so fix this by adding cpu_to_le64. > > Signed-off-by: Jason Yan thanks, applied the two patches. > --- > drivers/md/md.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/md/md.c b/drivers/md/md.c > index 548d1b8..b6516f8 100644 > --- a/drivers/md/md.c > +++ b/drivers/md/md.c > @@ -1887,7 +1887,7 @@ super_1_rdev_size_change(struct md_rdev *rdev, sector_t num_sectors) > } > sb = page_address(rdev->sb_page); > sb->data_size = cpu_to_le64(num_sectors); > - sb->super_offset = rdev->sb_start; > + sb->super_offset = cpu_to_le64(rdev->sb_start); > sb->sb_csum = calc_sb_1_csum(sb); > do { > md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size, > -- > 2.5.0 >