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    Subject[PATCH -V22 14/14] ext4: Copy fs UUID to superblock
    Date
    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>
    ---
    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 0348ce0..9cf2c32 100644
    --- a/fs/ext4/super.c
    +++ b/fs/ext4/super.c
    @@ -3365,6 +3365,8 @@ 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


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