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ext3: Copy fs UUID to superblock.
author
Aneesh Kumar K.V
<aneesh.kumar@linux.vnet.ibm.com>
Sat, 29 Jan 2011 13:13:39 +0000
(18:43 +0530)
committer
Al Viro
<viro@zeniv.linux.org.uk>
Tue, 15 Mar 2011 06:21:45 +0000
(
02:21
-0400)
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>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/ext3/super.c
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diff --git
a/fs/ext3/super.c
b/fs/ext3/super.c
index
85c8cc8
..
9cc19a1
100644
(file)
--- a/
fs/ext3/super.c
+++ b/
fs/ext3/super.c
@@
-1936,6
+1936,7
@@
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);