From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id o8R1lUVi150725 for ; Sun, 26 Sep 2010 20:47:30 -0500 Received: from mail.internode.on.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 03EDFE7934D for ; Sun, 26 Sep 2010 19:01:19 -0700 (PDT) Received: from mail.internode.on.net (bld-mail18.adl2.internode.on.net [150.101.137.103]) by cuda.sgi.com with ESMTP id uZXwDpGYoDFhY3Ch for ; Sun, 26 Sep 2010 19:01:19 -0700 (PDT) Received: from dastard (unverified [121.44.66.70]) by mail.internode.on.net (SurgeMail 3.8f2) with ESMTP id 40246818-1927428 for ; Mon, 27 Sep 2010 11:18:25 +0930 (CST) Received: from disturbed ([192.168.1.9]) by dastard with esmtp (Exim 4.71) (envelope-from ) id 1P02pM-0002t8-Ae for xfs@oss.sgi.com; Mon, 27 Sep 2010 11:48:24 +1000 Received: from dave by disturbed with local (Exim 4.72) (envelope-from ) id 1P02p5-0003q6-Or for xfs@oss.sgi.com; Mon, 27 Sep 2010 11:48:07 +1000 From: Dave Chinner Subject: [PATCH 11/18] xfs: remove buftarg hash for external devices Date: Mon, 27 Sep 2010 11:47:46 +1000 Message-Id: <1285552073-14663-12-git-send-email-david@fromorbit.com> In-Reply-To: <1285552073-14663-1-git-send-email-david@fromorbit.com> References: <1285552073-14663-1-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: Dave Chinner For RT and external log devices, we never use hashed buffers on them now. Remove the buftarg hash tables that are set up for them. Signed-off-by: Dave Chinner Reviewed-by: Christoph Hellwig Reviewed-by: Alex Elder --- fs/xfs/linux-2.6/xfs_buf.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index 975d658..251bcdc 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -1458,7 +1458,11 @@ xfs_alloc_bufhash( { unsigned int i; - btp->bt_hashshift = external ? 3 : 12; /* 8 or 4096 buckets */ + if (external) { + btp->bt_hash = NULL; + return; + } + btp->bt_hashshift = 12; /* 4096 buckets */ btp->bt_hash = kmem_zalloc_large((1 << btp->bt_hashshift) * sizeof(xfs_bufhash_t)); for (i = 0; i < (1 << btp->bt_hashshift); i++) { -- 1.7.1 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs