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From ee5aadde983315e72a82241dee95c0e041af15f4 Mon Sep 17 00:00:00 2001
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From: Michal Sekletar <msekleta@redhat.com>
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Date: Fri, 6 Jan 2017 17:30:53 +0100
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Subject: [PATCH] udev/path_id: introduce support for NVMe devices (#4169)
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This appends the nvme name and namespace identifier attribute the the
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PCI path for by-path links. Symlinks like the following are now present:
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lrwxrwxrwx. 1 root root 13 Sep 16 12:12 pci-0000:01:00.0-nvme-1 -> ../../nvme0n1
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lrwxrwxrwx. 1 root root 15 Sep 16 12:12 pci-0000:01:00.0-nvme-1-part1 -> ../../nvme0n1p1
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Cc: Michal Sekletar <sekletar.m@gmail.com>
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Signed-off-by: Keith Busch <keith.busch@intel.com>
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Cherry-picked from: b4c6f71b827d41a4af8007b735edf21ef7609f99
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Resolves: #1373150
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---
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src/udev/udev-builtin-path_id.c | 9 +++++++++
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1 file changed, 9 insertions(+)
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diff --git a/src/udev/udev-builtin-path_id.c b/src/udev/udev-builtin-path_id.c
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index a3b019b..88a812f 100644
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--- a/src/udev/udev-builtin-path_id.c
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+++ b/src/udev/udev-builtin-path_id.c
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@@ -709,6 +709,15 @@ restart:
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parent = skip_subsystem(parent, "scm");
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supported_transport = true;
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supported_parent = true;
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+ } else if (streq(subsys, "nvme")) {
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+ const char *nsid = udev_device_get_sysattr_value(dev, "nsid");
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+
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+ if (nsid) {
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+ path_prepend(&path, "nvme-%s", nsid);
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+ parent = skip_subsystem(parent, "nvme");
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+ supported_parent = true;
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+ supported_transport = true;
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+ }
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}
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parent = udev_device_get_parent(parent);
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