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2021-10-30overlayfs: add debug informationVyacheslav Yurkov
Signed-off-by: Vyacheslav Yurkov <uvv.mail@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-10-30overlayfs: all overlays unitVyacheslav Yurkov
Application can depend on several overlayfs mount points. Provide a systemd unit application can depend on to make sure all overlays are mounted before it is started to avoid any race conditions Signed-off-by: Bruno Knittel <Bruno.Knittel@bruker.com> Signed-off-by: Vyacheslav Yurkov <uvv.mail@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-08-12overlayfs.bbclass: generate overlayfs mount unitsVyacheslav Yurkov
It's often desired in Embedded System design to have a read-only rootfs. But a lot of different applications might want to have a read-write access to some parts of a filesystem. It can be especially useful when your update mechanism overwrites the whole rootfs, but you want your application data to be preserved between updates. This class provides a way to achieve that by means of overlayfs and at the same time keeping the base rootfs read-only. Signed-off-by: Vyacheslav Yurkov <uvv.mail@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>