Lennart Poettering
bd80fd7e56
Let's rework verify_fsroot_dir() around two statx() calls, which should usually give us all information we need. Let's then add a call to the btrfs ioctl only if the caller actually wants to know the backing block device (which it generally only wants if it then intends to verify partition type, and similar). This makes things more robust on new kernels, and bypasses the btrfs ioctls in environments where we cannot actually interpret the results properly (since they reference btrfs devices via /dev/ paths, which we likely cannot resolve in containers) Fixes: #24616
System and Service Manager
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