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When running on the systems having read-only rootfs backed by overlayfs, removing the whole directory lead to create a special char device file on the upperdir to reflect directory's removal. Once it is required to upgrade the whole read-only image that might contain new postinsts scripts, it will be impossible to run such scripts with a "deletion mark" file on the overlayfs -- the whole directory will be marked as deleted regardless new files in it. (From OE-Core rev: 1a27b62b225ffeecec47c249a0b86cc54d775add) Signed-off-by: Anton D. Kachalov <gmouse@google.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>