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btrfs-progs: receive: restore capabilities after chown
Capabilities are cleared after chown, and the btrfs-stream encodes the CHOWN command after any SET_XATTR command. So the capabilites are not always preserved. This could be fixed in kernel to emit the instructions in the right order, but fix in userspace will make it work for older kernels. If we see the capabilities among xattrs, cache the value and apply it again in case it's followed by chown on that file. Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=68891 Reported-by: Juan Orti Alcaine <j.orti.alcaine@gmail.com> Signed-off-by: David Sterba <dsterba@suse.cz>
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