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Add support for nvme based devids

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Adds a devid for nvme devices. This is very similar to how the
other 'bus' (scsi|sata|usb) devids are generated. The devid
resides in a name/value pair in the leaf vdevs in a zpool config.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Don Brady <don.brady@delphix.com>
Closes #7356
This commit is contained in:
Don Brady 2018-03-29 18:43:25 -06:00 committed by Tony Hutter
parent ebe443c8ff
commit 3b118f0a34
1 changed files with 13 additions and 2 deletions
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15
lib/libzfs/libzfs_import.c
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@ -21,7 +21,7 @@
/* /*
* Copyright 2015 Nexenta Systems, Inc. All rights reserved. * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2016 by Delphix. All rights reserved. * Copyright (c) 2012, 2018 by Delphix. All rights reserved.
* Copyright 2015 RackTop Systems. * Copyright 2015 RackTop Systems.
* Copyright (c) 2016, Intel Corporation. * Copyright (c) 2016, Intel Corporation.
*/ */
@ -142,7 +142,18 @@ zfs_device_get_devid(struct udev_device *dev, char *bufptr, size_t buflen)
(void) snprintf(bufptr, buflen, "dm-uuid-%s", dm_uuid); (void) snprintf(bufptr, buflen, "dm-uuid-%s", dm_uuid);
return (0); return (0);
} }
return (ENODATA);
/*
* NVME 'by-id' symlinks are similar to bus case
*/
struct udev_device *parent;
parent = udev_device_get_parent_with_subsystem_devtype(dev,
"nvme", NULL);
if (parent != NULL)
bus = "nvme"; /* continue with bus symlink search */
else
return (ENODATA);
} }
/* /*