From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
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" <aneesh.kumar@linux.vnet.ibm.com>
Subject: [PATCH -V19 15/15] ext4: Copy fs UUID to superblock
Date: Fri, 27 Aug 2010 16:33:02 +0530 [thread overview]
Message-ID: <1282906982-26918-16-git-send-email-aneesh.kumar@linux.vnet.ibm.com> (raw)
In-Reply-To: <1282906982-26918-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com>
File system UUID is made available to application
via /proc/<pid>/mountinfo
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
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
next prev parent reply other threads:[~2010-08-27 11:04 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-27 11:02 [PATCH -V19 00/15] Generic name to handle and open by handle syscalls Aneesh Kumar K.V
2010-08-27 11:02 ` [PATCH -V19 01/15] exportfs: Return the minimum required handle size Aneesh Kumar K.V
2010-08-27 11:02 ` [PATCH -V19 02/15] vfs: Add name to file handle conversion support Aneesh Kumar K.V
2010-08-27 11:02 ` [PATCH -V19 03/15] vfs: Add open by file handle support Aneesh Kumar K.V
2010-08-27 11:02 ` [PATCH -V19 04/15] vfs: Add handle based readlink syscall Aneesh Kumar K.V
2010-08-27 11:02 ` [PATCH -V19 05/15] vfs: Add handle based stat syscall Aneesh Kumar K.V
2010-08-27 11:02 ` [PATCH -V19 06/15] vfs: Add handle based link syscall Aneesh Kumar K.V
2010-08-27 11:02 ` [PATCH -V19 07/15] vfs: Add handle based chown syscall Aneesh Kumar K.V
2010-08-27 11:02 ` [PATCH -V19 08/15] vfs: Add handle based xattr syscalls Aneesh Kumar K.V
2010-08-27 11:02 ` [PATCH -V19 09/15] vfs: Add file access and modification time update via handle syscall Aneesh Kumar K.V
2010-08-27 11:02 ` [PATCH -V19 10/15] x86: Add new syscalls for x86_32 Aneesh Kumar K.V
2010-08-27 11:02 ` [PATCH -V19 11/15] x86: Add new syscalls for x86_64 Aneesh Kumar K.V
2010-08-27 11:02 ` [PATCH -V19 12/15] unistd.h: Add new syscalls numbers to asm-generic Aneesh Kumar K.V
2010-08-27 11:03 ` [PATCH -V19 13/15] vfs: Export file system uuid via /proc/<pid>/mountinfo Aneesh Kumar K.V
2010-08-27 11:03 ` [PATCH -V19 14/15] ext3: Copy fs UUID to superblock Aneesh Kumar K.V
2010-08-27 11:03 ` Aneesh Kumar K.V [this message]
2010-09-07 10:21 ` [PATCH -V19 00/15] Generic name to handle and open by handle syscalls Aneesh Kumar K. V
2010-09-07 11:36 ` Miklos Szeredi
2010-09-07 12:59 ` Aneesh Kumar K. V
2010-09-07 13:24 ` Miklos Szeredi
2010-09-12 19:22 ` Aneesh Kumar K. V
2010-09-13 6:01 ` Miklos Szeredi
2010-09-13 6:59 ` Neil Brown
2010-09-13 7:59 ` Miklos Szeredi
2010-09-17 17:40 ` Aneesh Kumar K. V
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