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    Subject[PATCH -V12 06/11] ext4: Copy fs UUID to superblock
    Date
    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);
    --
    1.7.1.226.g770c5


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