Messages in this thread Patch in this message | | | From | "Aneesh Kumar K.V" <> | Subject | [PATCH -V9 6/9] ext4: Copy fs UUID to superblock | Date | Tue, 18 May 2010 17:30:12 +0530 |
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This enables userspace application to find the file system UUID using sys_name_to_handle_at syscall
Acked-by: Serge Hallyn <serue@us.ibm.com> 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 e14d22c..02ba21b 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -2828,6 +2828,8 @@ 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); -- 1.7.1.78.g212f0
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