Looks suspicious. Please check.
julia
---------- Forwarded message ----------
Date: Sun, 29 Nov 2015 09:17:12 +0800
From: kbuild test robot <fengguang.wu@xxxxxxxxx>
To: kbuild@xxxxxx
Cc: Julia Lawall <julia.lawall@xxxxxxx>
Subject: Re: [PATCH Resend V2 2/2] md-cluster: Protect communication with
mutexes
CC: kbuild-all@xxxxxx
In-Reply-To: <1448787432-4138-2-git-send-email-gqjiang@xxxxxxxx>
TO: Guoqing Jiang <gqjiang@xxxxxxxx>
CC: neilb@xxxxxxxx
CC: linux-raid@xxxxxxxxxxxxxxx, rgoldwyn@xxxxxxxx
Hi Guoqing,
[auto build test WARNING on: md/for-next]
[also build test WARNING on: next-20151127]
[cannot apply to: v4.4-rc2]
url: https://github.com/0day-ci/linux/commits/Guoqing-Jiang/md-cluster-Defer-MD-reloading-to-mddev-thread/20151129-085944
base: git://neil.brown.name/md for-next
:::::: branch date: 17 minutes ago
:::::: commit date: 17 minutes ago
>> drivers/md/md-cluster.c:530:2-8: preceding lock on line 526
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout 7cd1e0cb4a84f8dd6ab7bfdb4a2e1d4eda66ad6d
vim +530 drivers/md/md-cluster.c
4664680c Goldwyn Rodrigues 2014-06-07 520 struct md_cluster_info *cinfo = thread->mddev->cluster_info;
4664680c Goldwyn Rodrigues 2014-06-07 521 struct dlm_lock_resource *ack_lockres = cinfo->ack_lockres;
4664680c Goldwyn Rodrigues 2014-06-07 522 struct dlm_lock_resource *message_lockres = cinfo->message_lockres;
4664680c Goldwyn Rodrigues 2014-06-07 523 struct cluster_msg msg;
b5ef5678 Guoqing Jiang 2015-07-10 524 int ret;
4664680c Goldwyn Rodrigues 2014-06-07 525
7cd1e0cb Guoqing Jiang 2015-11-29 @526 mutex_lock(&cinfo->recv_mutex);
4664680c Goldwyn Rodrigues 2014-06-07 527 /*get CR on Message*/
4664680c Goldwyn Rodrigues 2014-06-07 528 if (dlm_lock_sync(message_lockres, DLM_LOCK_CR)) {
4664680c Goldwyn Rodrigues 2014-06-07 529 pr_err("md/raid1:failed to get CR on MESSAGE\n");
4664680c Goldwyn Rodrigues 2014-06-07 @530 return;
4664680c Goldwyn Rodrigues 2014-06-07 531 }
4664680c Goldwyn Rodrigues 2014-06-07 532
4664680c Goldwyn Rodrigues 2014-06-07 533 /* read lvb and wake up thread to process this message_lockres */
:::::: The code at line 530 was first introduced by commit
:::::: 4664680c389828928efc61ce3d2cf2c65ad35c97 Communication Framework: Receiving
:::::: TO: Goldwyn Rodrigues <rgoldwyn@xxxxxxxx>
:::::: CC: Goldwyn Rodrigues <rgoldwyn@xxxxxxxx>
---
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