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From c3d9e64a61d17e57ef941a6a46e5a148c51c8519 Mon Sep 17 00:00:00 2001
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From: Vladimir Serbinenko <phcoder@gmail.com>
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Date: Thu, 3 Apr 2014 21:31:12 +0200
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Subject: [PATCH 072/152] * grub-core/osdep/linux/getroot.c
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 (grub_util_part_to_disk): Support NVMe device names.
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---
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 ChangeLog                       |  5 +++++
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 grub-core/osdep/linux/getroot.c | 17 +++++++++++++++++
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 2 files changed, 22 insertions(+)
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diff --git a/ChangeLog b/ChangeLog
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index accffad..4a48409 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,3 +1,8 @@
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+2014-04-03  Vladimir Serbinenko  <phcoder@gmail.com>
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+
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+	* grub-core/osdep/linux/getroot.c (grub_util_part_to_disk): Support NVMe
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+	device names.
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+
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 2014-03-31  Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
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 	btrfs: fix get_root key comparison failures due to endianness
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diff --git a/grub-core/osdep/linux/getroot.c b/grub-core/osdep/linux/getroot.c
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index 19581d3..7007193 100644
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--- a/grub-core/osdep/linux/getroot.c
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+++ b/grub-core/osdep/linux/getroot.c
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@@ -896,6 +896,23 @@ grub_util_part_to_disk (const char *os_dev, struct stat *st,
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 	  *pp = '\0';
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 	  return path;
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 	}
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+
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+      /* If this is a NVMe device */
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+      if ((strncmp ("nvme", p, 4) == 0) && p[4] >= '0' && p[4] <= '9')
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+	{
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+	  char *pp = p + 4;
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+	  while (*pp >= '0' && *pp <= '9')
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+	    pp++;
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+	  if (*pp == 'n')
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+	    pp++;
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+	  while (*pp >= '0' && *pp <= '9')
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+	    pp++;
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+	  if (*pp == 'p')
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+	    *is_part = 1;
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+	  /* /dev/nvme[0-9]+n[0-9]+p[0-9]* */
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+	  *pp = '\0';
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+	  return path;
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+	}
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     }
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   return path;
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-- 
37b39b7
1.9.3
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