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If multipath feature is enabled, nvme block devices may belong to the "nvme-subsystem" subsystem, instead of "nvme" subsystem. (What a confusing name...) Then, the syspath is something like the following, /sys/devices/virtual/nvme-subsystem/nvme-subsys0/nvme0n1 Hence, we need to find the 'real parent' device, such as /sys/devices/pci0000:00/0000:00:1c.4/0000:3c:00.0/nvme/nvme0 Fixes https://bugzilla.redhat.com/show_bug.cgi?id=2031810. Fixes https://bugzilla.redhat.com/show_bug.cgi?id=2124964. Replaces #24748.
Files in this directory contain configuration for systemd-udevd.service, a daemon that manages symlinks to device nodes, permissions of devices nodes, emits device events for userspace, and renames network interfaces. See man:udev(7) for an overview of the configuration file format, and man:systemd-udevd.service(8) for a description of service itself. Use 'systemd-analyze cat-config udev/rules.d' to display the effective config.