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, serue@us.ibm.com, neilb@suse.de
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 -V9 9/9] ext3: Copy fs UUID to superblock.
Date: Tue, 18 May 2010 17:30:15 +0530 [thread overview]
Message-ID: <1274184015-19207-10-git-send-email-aneesh.kumar@linux.vnet.ibm.com> (raw)
In-Reply-To: <1274184015-19207-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com>
This enable user space application to get the file system UUID
using sys_name_to_handle_at syscall
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
fs/ext3/super.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 1bee604..7c304e7 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -1928,6 +1928,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
sb->s_qcop = &ext3_qctl_operations;
sb->dq_op = &ext3_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);
--
1.7.1.78.g212f0
prev parent reply other threads:[~2010-05-18 12:00 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-18 12:00 [PATCH -V9 0/9] Generic name to handle and open by handle syscalls Aneesh Kumar K.V
2010-05-18 12:00 ` [PATCH -V9 1/9] exportfs: Return the minimum required handle size Aneesh Kumar K.V
2010-05-18 12:00 ` [PATCH -V9 2/9] vfs: Add name to file handle conversion support Aneesh Kumar K.V
2010-05-18 13:11 ` Aneesh Kumar K. V
2010-05-18 12:00 ` [PATCH -V9 3/9] vfs: Add open by file handle support Aneesh Kumar K.V
2010-05-18 12:00 ` [PATCH -V9 4/9] vfs: Allow handle based open on symlinks Aneesh Kumar K.V
2010-05-18 12:00 ` [PATCH -V9 5/9] vfs: Support null pathname in readlink Aneesh Kumar K.V
2010-05-18 12:00 ` [PATCH -V9 6/9] ext4: Copy fs UUID to superblock Aneesh Kumar K.V
2010-05-18 12:00 ` [PATCH -V9 7/9] x86: Add new syscalls for x86_32 Aneesh Kumar K.V
2010-05-18 12:00 ` [PATCH -V9 8/9] x86: Add new syscalls for x86_64 Aneesh Kumar K.V
2010-05-18 12:00 ` Aneesh Kumar K.V [this message]
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