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Recognise NVME devices (#755022)

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Add a pattern to recognise Non-Volatile Memory Express devices as valid
devices to work with.  Devices are named by the Linux kernel device
driver like /dev/nvme0n1 [1] with partitions named like /dev/nvme0n1p1
[2].

[1] linux 3.3 drivers/block/nvme.c nvme_alloc_ns()
    https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/drivers/block/nvme.c?id=v3.3#n1351

[2] Contents of /proc/partitions for a partitioned NVME device
    $ grep nvme /proc/partitions
     259        0  390711384 nvme0n1
     259        1        977 nvme0n1p1
     259        2   31250000 nvme0n1p2
     259        3  328209496 nvme0n1p3
     259        4   31249408 nvme0n1p4

Bug 755022 - gparted doesn't recognize nvme devices
This commit is contained in:
Mike Fleetwood 2015-09-16 20:25:58 +01:00 committed by Curtis Gedak
parent b4fe2f608e
commit 66bb88abf7
1 changed files with 8 additions and 0 deletions
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8
src/Proc_Partitions_Info.cc
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@ -99,6 +99,14 @@ void Proc_Partitions_Info::load_proc_partitions_info_cache()
//E.g., device = /dev/mmcblk0, partition = /dev/mmcblk0p1
if ( device == "" )
device = Utils::regexp_label(line, "^[\t ]+[0-9]+[\t ]+[0-9]+[\t ]+[0-9]+[\t ]+(mmcblk[0-9]+)$") ;
// Recognise /dev/nvme*n* devices
// (Non-Volatile Memory Express devices. SSD type devices which
// plug directly into PCIe sockets).
// E.g., device = /dev/nvme0n1, partition = /dev/nvme0n1p1
if ( device == "" )
device = Utils::regexp_label(line, "^[\t ]+[0-9]+[\t ]+[0-9]+[\t ]+[0-9]+[\t ]+(nvme[0-9]+n[0-9]+)$");
//Device names that end with a #[^p]# are HP Smart Array Devices (disks)
// E.g., device = /dev/cciss/c0d0, partition = /dev/cciss/c0d0p1
// (linux-x.y.z/Documentation/blockdev/cciss.txt)