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udev/path_id: introduce support for NVMe devices (#4169)

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This appends the nvme name and namespace identifier attribute the the
PCI path for by-path links. Symlinks like the following are now present:

lrwxrwxrwx. 1 root root 13 Sep 16 12:12 pci-0000:01:00.0-nvme-1 -> ../../nvme0n1
lrwxrwxrwx. 1 root root 15 Sep 16 12:12 pci-0000:01:00.0-nvme-1-part1 -> ../../nvme0n1p1

Cc: Michal Sekletar <sekletar.m@gmail.com>
Signed-off-by: Keith Busch <keith.busch@intel.com>
This commit is contained in:
Keith Busch
2016-09-26 21:01:07 +02:00
committed by Zbigniew Jędrzejewski-Szmek
parent 00bb64ecfa
commit b4c6f71b82
1 changed files with 9 additions and 0 deletions
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src/udev/udev-builtin-path_id.c
+9
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@@ -693,6 +693,15 @@ static int builtin_path_id(struct udev_device *dev, int argc, char *argv[], bool
parent = skip_subsystem(parent, "iucv");
supported_transport = true;
supported_parent = true;
} else if (streq(subsys, "nvme")) {
const char *nsid = udev_device_get_sysattr_value(dev, "nsid");
if (nsid) {
path_prepend(&path, "nvme-%s", nsid);
parent = skip_subsystem(parent, "nvme");
supported_parent = true;
supported_transport = true;
}
}
if (parent)