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 o8EAuKrU121245 for ; Tue, 14 Sep 2010 05:56:20 -0500 Received: from mail.internode.on.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 600141E6531A for ; Tue, 14 Sep 2010 03:57:07 -0700 (PDT) Received: from mail.internode.on.net (bld-mail12.adl6.internode.on.net [150.101.137.97]) by cuda.sgi.com with ESMTP id f5mhB2h2bKHGwB0q for ; Tue, 14 Sep 2010 03:57:07 -0700 (PDT) Received: from dastard (unverified [121.44.127.68]) by mail.internode.on.net (SurgeMail 3.8f2) with ESMTP id 38985544-1927428 for ; Tue, 14 Sep 2010 20:27:06 +0930 (CST) Received: from disturbed ([192.168.1.9]) by dastard with esmtp (Exim 4.71) (envelope-from ) id 1OvTCC-0004PD-PM for xfs@oss.sgi.com; Tue, 14 Sep 2010 20:57:04 +1000 Received: from dave by disturbed with local (Exim 4.72) (envelope-from ) id 1OvTBv-0000QV-BH for xfs@oss.sgi.com; Tue, 14 Sep 2010 20:56:47 +1000 From: Dave Chinner Subject: [PATCH 13/18] xfs: remove buftarg hash for external devices Date: Tue, 14 Sep 2010 20:56:12 +1000 Message-Id: <1284461777-1496-14-git-send-email-david@fromorbit.com> In-Reply-To: <1284461777-1496-1-git-send-email-david@fromorbit.com> References: <1284461777-1496-1-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 --- 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 304515b..1c6206e 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -1456,7 +1456,11 @@ 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