Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757466AbYCZJdb (ORCPT ); Wed, 26 Mar 2008 05:33:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753822AbYCZJdX (ORCPT ); Wed, 26 Mar 2008 05:33:23 -0400 Received: from styx.suse.cz ([82.119.242.94]:41330 "EHLO mail.suse.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753706AbYCZJdW (ORCPT ); Wed, 26 Mar 2008 05:33:22 -0400 Date: Wed, 26 Mar 2008 10:33:21 +0100 From: Jan Kara To: Andrew Morton Cc: Jan Kara , dgc@sgi.com, wfg@mail.ustc.edu.cn, linux-kernel@vger.kernel.org Subject: [PATCH] vfs: Skip inodes without pages to free in drop_pagecache_sb() Message-ID: <20080326093321.GB7835@duck.suse.cz> References: <20080325181227.GE5125@duck.suse.cz> <20080325125354.5f2da108.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080325125354.5f2da108.akpm@linux-foundation.org> User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 901 Lines: 29 Signed-off-by: Jan Kara CC: Fengguang Wu --- fs/drop_caches.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/fs/drop_caches.c b/fs/drop_caches.c index f5aae26..7327a42 100644 --- a/fs/drop_caches.c +++ b/fs/drop_caches.c @@ -20,6 +20,8 @@ static void drop_pagecache_sb(struct super_block *sb) list_for_each_entry(inode, &sb->s_inodes, i_sb_list) { if (inode->i_state & (I_FREEING|I_WILL_FREE)) continue; + if (inode->i_mapping->nrpages == 0) + continue; __iget(inode); spin_unlock(&inode_lock); __invalidate_mapping_pages(inode->i_mapping, 0, -1, true); -- 1.5.2.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/