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Where ltx_uid/ltx_gid/ltx_projid are the original UID/GID/PROJID of the deleted file, mainly used for the restore operation. ltx_timestamp is the time that the file was moved into the Trash Can. It is used to determine whether the file is expired for the specified retention period and thus should be purged from the Trash Can. It may be to use the inode ctime for this purpose instead of storing a separate timestamp to reduce the size of the xattr.
Delete a directory into the Trash Can
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