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49 lines
2.0 KiB
49 lines
2.0 KiB
From 70bcdeaee2d12ad65ad61ad984f1a6bfdf3845d8 Mon Sep 17 00:00:00 2001
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From: Mike Fleetwood <mike.fleetwood@googlemail.com>
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Date: Wed, 16 Sep 2015 20:25:58 +0100
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Subject: [PATCH] Recognise NVME devices (#755022)
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Add a pattern to recognise Non-Volatile Memory Express devices as valid
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devices to work with. Devices are named by the Linux kernel device
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driver like /dev/nvme0n1 [1] with partitions named like /dev/nvme0n1p1
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[2].
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[1] linux 3.3 drivers/block/nvme.c nvme_alloc_ns()
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https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/drivers/block/nvme.c?id=v3.3#n1351
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[2] Contents of /proc/partitions for a partitioned NVME device
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$ grep nvme /proc/partitions
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259 0 390711384 nvme0n1
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259 1 977 nvme0n1p1
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259 2 31250000 nvme0n1p2
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259 3 328209496 nvme0n1p3
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259 4 31249408 nvme0n1p4
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Bug 755022 - gparted doesn't recognize nvme devices
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---
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src/Proc_Partitions_Info.cc | 8 ++++++++
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1 files changed, 8 insertions(+), 0 deletions(-)
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diff --git a/src/Proc_Partitions_Info.cc b/src/Proc_Partitions_Info.cc
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index 595cdb2..f17f689 100644
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--- src/Proc_Partitions_Info.cc
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+++ src/Proc_Partitions_Info.cc
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@@ -99,6 +99,14 @@ void Proc_Partitions_Info::load_proc_partitions_info_cache()
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//E.g., device = /dev/mmcblk0, partition = /dev/mmcblk0p1
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if ( device == "" )
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device = Utils::regexp_label(line, "^[\t ]+[0-9]+[\t ]+[0-9]+[\t ]+[0-9]+[\t ]+(mmcblk[0-9]+)$") ;
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+
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+ // Recognise /dev/nvme*n* devices
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+ // (Non-Volatile Memory Express devices. SSD type devices which
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+ // plug directly into PCIe sockets).
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+ // E.g., device = /dev/nvme0n1, partition = /dev/nvme0n1p1
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+ if ( device == "" )
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+ device = Utils::regexp_label(line, "^[\t ]+[0-9]+[\t ]+[0-9]+[\t ]+[0-9]+[\t ]+(nvme[0-9]+n[0-9]+)$");
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+
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//Device names that end with a #[^p]# are HP Smart Array Devices (disks)
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// E.g., device = /dev/cciss/c0d0, partition = /dev/cciss/c0d0p1
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// (linux-x.y.z/Documentation/blockdev/cciss.txt)
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--
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1.7.1
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