From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx48OGo6ftimbn3zmriYGseIM/SQl8RrBADI/3BcdeompSRwwe5Bor10YrQ8uI8Dvo7ukB2VU ARC-Seal: i=1; a=rsa-sha256; t=1523021807; cv=none; d=google.com; s=arc-20160816; b=P/rElAAdTG1d7H8KY5ZVykzCmRSqlWERfjAaSEvdRDNps2sc+FhObWn8jDQtVCbduA S5nkioK5dU9/ArROxVRjQkWWY5E0y1vxmMLJUs+Sn6MV4lMrUSOH9u6/5EsGz+kzlDGS o4Fs9BUZLPjRkH6/RR844VavYeoEKeXngsF7PZjkiFNGxqm6VHZqrCWaNHNBGF9H5Oua 4M+pyDLUAtwXBQwUKwzxYm7/urS1CDuawswfgIkpO0NBbD69yDpwp+UfhHvjLme+SAjs lYRTHe7vz4WpzT0nN1GlKVkk28kJTh1z2JYEgUlNvJrWj1XJScPPgGiog7Qkmr5z8Smq eEtA== 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=tAqK9NU8PBHPtf0ahUM6t8gpy/qw2u0ylIzwRyjVjg0=; b=RVJzdB3s3eJQklEw1qDMUHjN4f2rB/6rP3brsamXZH+VjokNPK/dKLEykUclM9IApb fhw7MBaOxbdr2xwYU3y2yxnn8EXaArBA5qtVfUg84QC3D9VUe3z18d76f5wcTCw1xpjc 5qMFEtjzghqCQfHpsMqEJFaO3juiLAjfFWKM9KgGEJAGgCUBu+h9pCLP+r25MW7UaMcP D23NhXgqyK9ND2nWUTA1xc0x4Q1GTJwzozJUAxtGTeB1t0PgST/i832g+pDS5zRIW19/ wW2xn6644ZxmbhIv6naaBCOjfIi5XJtwWiaLz732GrjCoyJT9aupchvAoZZmwnXmT6LS 7C4Q== 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 4.9 094/102] md/raid10: reset the first at the end of loop Date: Fri, 6 Apr 2018 15:24:15 +0200 Message-Id: <20180406084344.705659568@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180406084331.507038179@linuxfoundation.org> References: <20180406084331.507038179@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?1597004114015466329?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.9-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 @@ -3681,6 +3681,7 @@ static int raid10_run(struct mddev *mdde if (blk_queue_discard(bdev_get_queue(rdev->bdev))) discard_supported = true; + first = 0; } if (mddev->queue) {