Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756037Ab0BJUAP (ORCPT ); Wed, 10 Feb 2010 15:00:15 -0500 Received: from smtp.mujha-vel.cz ([81.30.225.246]:46283 "EHLO smtp.mujha-vel.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751452Ab0BJUAL (ORCPT ); Wed, 10 Feb 2010 15:00:11 -0500 From: Jiri Slaby To: chris.mason@oracle.com Cc: linux-kernel@vger.kernel.org, jirislaby@gmail.com, linux-btrfs@vger.kernel.org Subject: [PATCH 1/1] FS: btrfs, use helpers for rlimits Date: Wed, 10 Feb 2010 21:00:09 +0100 Message-Id: <1265832009-8070-1-git-send-email-jslaby@suse.cz> X-Mailer: git-send-email 1.6.6.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1248 Lines: 37 Make sure compiler won't do weird things with limits. E.g. fetching them twice may return 2 different values after writable limits are implemented. I.e. either use rlimit helpers added in 3e10e716abf3c71bdb5d86b8f507f9e72236c9cd or ACCESS_ONCE if not applicable. Signed-off-by: Jiri Slaby Cc: Chris Mason Cc: linux-btrfs@vger.kernel.org --- fs/btrfs/inode.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index c41db6d..5aa0cef 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -3256,8 +3256,7 @@ static int btrfs_setattr_size(struct inode *inode, struct iattr *attr) return 0; if (attr->ia_size > inode->i_size) { - unsigned long limit; - limit = current->signal->rlim[RLIMIT_FSIZE].rlim_cur; + unsigned long limit = rlimit(RLIMIT_FSIZE); if (attr->ia_size > inode->i_sb->s_maxbytes) return -EFBIG; if (limit != RLIM_INFINITY && attr->ia_size > limit) { -- 1.6.6.1 -- 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/