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auplink

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auplink -V (return code: 22)

usage: auplink aufs_mount_point list|cpup|flush
'list' shows the pseudo-linked inode numbers and filenames.
'cpup' copies-up all pseudo-link to the writeble branch.
'flush' calls 'cpup', and then 'mount -o remount,clean_plink=inum'
and remove the whiteouted plink.
aufs-util for aufs3.2 and later

auplink --help (return code: 22)

usage: auplink aufs_mount_point list|cpup|flush
'list' shows the pseudo-linked inode numbers and filenames.
'cpup' copies-up all pseudo-link to the writeble branch.
'flush' calls 'cpup', and then 'mount -o remount,clean_plink=inum'
and remove the whiteouted plink.

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