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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2011-01-29 18:43:40 +0530 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-03-15 02:21:45 -0400 |
| commit | f2fa2ffc2046fdc35f96366d1ec8675f4d578522 (patch) | |
| tree | b1215682f5fbb99cf975cee3fb827909ee4a1c97 /fs/ext4 | |
| parent | 03cb5f03dcb26846fcad345d8c15aae91579a53d (diff) | |
| download | lwn-f2fa2ffc2046fdc35f96366d1ec8675f4d578522.tar.gz lwn-f2fa2ffc2046fdc35f96366d1ec8675f4d578522.zip | |
ext4: Copy fs UUID to superblock
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>
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | 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 f6a318f836b2..5977b356a435 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -3415,6 +3415,8 @@ 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); |