From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932988Ab0JEKXv (ORCPT ); Tue, 5 Oct 2010 06:23:51 -0400 Received: from e23smtp03.au.ibm.com ([202.81.31.145]:60319 "EHLO e23smtp03.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932969Ab0JEKXs (ORCPT ); Tue, 5 Oct 2010 06:23:48 -0400 From: "Aneesh Kumar K.V" To: hch@infradead.org, viro@zeniv.linux.org.uk, adilger@sun.com, corbet@lwn.net, neilb@suse.de, npiggin@kernel.dk, hooanon05@yahoo.co.jp, bfields@fieldses.org, miklos@szeredi.hu Cc: linux-fsdevel@vger.kernel.org, sfrench@us.ibm.com, philippe.deniel@CEA.FR, linux-kernel@vger.kernel.org, "Aneesh Kumar K.V" Subject: [PATCH -V21 12/12] ext4: Copy fs UUID to superblock Date: Tue, 5 Oct 2010 15:52:20 +0530 Message-Id: <1286274140-26533-13-git-send-email-aneesh.kumar@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1286274140-26533-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> References: <1286274140-26533-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org File system UUID is made available to application via /proc//mountinfo Signed-off-by: Aneesh Kumar K.V --- fs/ext4/super.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 2614774..b46a78c 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -2941,6 +2941,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) sb->s_qcop = &ext4_qctl_operations; sb->dq_op = &ext4_quota_operations; #endif + memcpy(sb->s_uuid, es->s_uuid, sizeof(es->s_uuid)); + INIT_LIST_HEAD(&sbi->s_orphan); /* unlinked but open files */ mutex_init(&sbi->s_orphan_lock); mutex_init(&sbi->s_resize_lock); -- 1.7.0.4