From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Aneesh Kumar K.V" Subject: [PATCH -V4 4/6] ext4: Add get_fsid callback Date: Fri, 23 Apr 2010 17:08:33 +0530 Message-ID: <1272022715-11716-5-git-send-email-aneesh.kumar@linux.vnet.ibm.com> References: <1272022715-11716-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Cc: linux-fsdevel@vger.kernel.org, sfrench@us.ibm.com, "Aneesh Kumar K.V" To: hch@infradead.org, viro@zeniv.linux.org.uk, adilger@sun.com, corbet@lwn.net, serue@us.ibm.com Return-path: Received: from e23smtp04.au.ibm.com ([202.81.31.146]:34081 "EHLO e23smtp04.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757171Ab0DWLi5 (ORCPT ); Fri, 23 Apr 2010 07:38:57 -0400 Received: from d23relay05.au.ibm.com (d23relay05.au.ibm.com [202.81.31.247]) by e23smtp04.au.ibm.com (8.14.3/8.13.1) with ESMTP id o3NBZ0Vu030047 for ; Fri, 23 Apr 2010 21:35:00 +1000 Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay05.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o3NBWDJZ725130 for ; Fri, 23 Apr 2010 21:32:13 +1000 Received: from d23av02.au.ibm.com (loopback [127.0.0.1]) by d23av02.au.ibm.com (8.14.3/8.13.1/NCO v10.0 AVout) with ESMTP id o3NBcth7017294 for ; Fri, 23 Apr 2010 21:38:56 +1000 In-Reply-To: <1272022715-11716-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Signed-off-by: Aneesh Kumar K.V --- fs/ext4/super.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index e14d22c..b485f0a 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1049,6 +1049,14 @@ static int bdev_try_to_free_page(struct super_block *sb, struct page *page, return try_to_free_buffers(page); } +static struct uuid *ext4_get_fsid(struct super_block *sb) +{ + struct ext4_sb_info *sbi = EXT4_SB(sb); + struct ext4_super_block *es = sbi->s_es; + + return (struct uuid *)es->s_uuid; +} + #ifdef CONFIG_QUOTA #define QTYPE2NAME(t) ((t) == USRQUOTA ? "user" : "group") #define QTYPE2MOPT(on, t) ((t) == USRQUOTA?((on)##USRJQUOTA):((on)##GRPJQUOTA)) @@ -1109,6 +1117,7 @@ static const struct super_operations ext4_sops = { .quota_write = ext4_quota_write, #endif .bdev_try_to_free_page = bdev_try_to_free_page, + .get_fsid = ext4_get_fsid, }; static const struct super_operations ext4_nojournal_sops = { @@ -1128,6 +1137,7 @@ static const struct super_operations ext4_nojournal_sops = { .quota_write = ext4_quota_write, #endif .bdev_try_to_free_page = bdev_try_to_free_page, + .get_fsid = ext4_get_fsid, }; static const struct export_operations ext4_export_ops = { -- 1.7.0.4.360.g11766c