From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id q7N54TGf135759 for ; Thu, 23 Aug 2012 00:04:29 -0500 Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id wsq7mygrIDHkXqni for ; Wed, 22 Aug 2012 22:05:15 -0700 (PDT) Received: from disappointment ([192.168.1.1]) by dastard with esmtp (Exim 4.76) (envelope-from ) id 1T4PbK-0003Iv-Jy for xfs@oss.sgi.com; Thu, 23 Aug 2012 15:05:02 +1000 Received: from dave by disappointment with local (Exim 4.80) (envelope-from ) id 1T4PbA-0003hT-8x for xfs@oss.sgi.com; Thu, 23 Aug 2012 15:04:52 +1000 From: Dave Chinner Subject: [PATCH 074/102] xfs: using GFP_NOFS for blkdev_issue_flush Date: Thu, 23 Aug 2012 15:02:32 +1000 Message-Id: <1345698180-13612-75-git-send-email-david@fromorbit.com> In-Reply-To: <1345698180-13612-1-git-send-email-david@fromorbit.com> References: <1345698180-13612-1-git-send-email-david@fromorbit.com> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com From: Shaohua Li Upstream commit: 7582df516c93046b8d2111a780c69de77f9882fb Issuing a block device flush request in transaction context using GFP_KERNEL directly can cause deadlocks due to memory reclaim recursion. Use GFP_NOFS to avoid recursion from reclaim context. Signed-off-by: Shaohua Li Reviewed-by: Mark Tinguely Signed-off-by: Ben Myers --- fs/xfs/linux-2.6/xfs_super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 9c7f4b9..2cf0967 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -631,7 +631,7 @@ void xfs_blkdev_issue_flush( xfs_buftarg_t *buftarg) { - blkdev_issue_flush(buftarg->bt_bdev, GFP_KERNEL, NULL); + blkdev_issue_flush(buftarg->bt_bdev, GFP_NOFS, NULL); } STATIC void -- 1.7.10 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs