From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx4+JD4fGlL7VREi/CXoEz8kQY0TEONNBb1H2s+D18saJJ2YjMjppTbT49NKGFJlAdwab9+IV ARC-Seal: i=1; a=rsa-sha256; t=1523021504; cv=none; d=google.com; s=arc-20160816; b=MUoQxlvzp/3Xjhh1zbgWbFx9Nx16suT8E6pO5/5WHL7iuApgfHUo/CgCmNqtsY+QK6 42GxWtP7YUm/vi99AlLfwzD2wQL3xg07apA5v5sfR9/NEN5cuo+kRQAd7pdRPQ9f2EOx pmNvRra1eypR2vYglrAdYdky+2mQdlTXPaJ379/OY0/UNZ971qcFX9TPEKPxPNhiBXvG TyweRqBBx8zko+3X/5mLsb1FkIoXO4eU8cZUk5nhXaMWjuld8COcHdRS6+8kXmvXOwei R1dCJT2NbRoxsdPm+bYBmt45MeX68+bt/0vOSK5SNwrvmk06h2GdJ37xnLarahcm+ggY d9JQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=hGhmw2f4cq2k3WkLeSMWlWVQhnMjqTSIv02CThAUzFA=; b=haMo2XTyJsewlLX9lSADtOrYy8481ZShFGEWy7HDeSZ5VY8g2KDifpiXvyHaiVKmUV /parb4t6RlavwWYbv9ezQ0KMqz4gSG9YoddefhA/1e7NZpmkaDW7AXw5906kd96oe+3W kkvZJTVm486TKp4UOWvaE58CPxWFrdESocIZqnsnVNE0bsxHGqM4K/8crzWa5g1XFfmC OIaRC1ugLZnKf5TvAi4w81TLd1oxiVvZIEMpu4yCt4j49HoZ/lcsDZGnlcP53B0VApd5 hylZ/nMRjlJ1E9nsaboaHNbj5lY2M00STx6f9DFUxS2qaDcTkUKJWG1v2cFc/8ujbQ46 4+mQ== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, NeilBrown , Guoqing Jiang , Shaohua Li , Ben Hutchings Subject: [PATCH 4.4 61/72] md/raid10: reset the first at the end of loop Date: Fri, 6 Apr 2018 15:24:02 +0200 Message-Id: <20180406084310.517381733@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180406084305.210085169@linuxfoundation.org> References: <20180406084305.210085169@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1597003641922069555?= X-GMAIL-MSGID: =?utf-8?q?1597003796698401656?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Guoqing Jiang commit 6f287ca6046edd34ed83aafb7f9033c9c2e809e2 upstream. We need to set "first = 0' at the end of rdev_for_each loop, so we can get the array's min_offset_diff correctly otherwise min_offset_diff just means the last rdev's offset diff. [only the first chunk, due to b506335e5d2b ("md/raid10: skip spare disk as 'first' disk") being already applied - gregkh] Suggested-by: NeilBrown Signed-off-by: Guoqing Jiang Reviewed-by: NeilBrown Signed-off-by: Shaohua Li Cc: Ben Hutchings Signed-off-by: Greg Kroah-Hartman --- drivers/md/raid10.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -3638,6 +3638,7 @@ static int run(struct mddev *mddev) if (blk_queue_discard(bdev_get_queue(rdev->bdev))) discard_supported = true; + first = 0; } if (mddev->queue) {