[parted/f14/master] Add patch to handle syncing partition using blkext majors (#634980)

[Brian C. Lane]

commit 3bda381ae59abf7eaf3b98790e451a6063f5302a
Author: Brian C. Lane <bcl at redhat.com>
Date:   Fri Sep 17 09:05:38 2010 -0700

    Add patch to handle syncing partition using blkext majors (#634980)
    
    Removed unused _device_get_partition_range function
    
    Resolves: rhbz#634980
    Related: rhbz#629719

 parted-2.3-lpn.patch |   68 ++++++++++++++++++++++++++++++++++++++++++++++++++
 parted.spec          |   10 ++++++-
 2 files changed, 77 insertions(+), 1 deletions(-)
---
diff --git a/parted-2.3-lpn.patch b/parted-2.3-lpn.patch
new file mode 100644
index 0000000..da9c3c2
--- /dev/null
+++ b/parted-2.3-lpn.patch
@@ -0,0 +1,68 @@
+From 763d9aca0fd5c79c46243774c17b562013a93418 Mon Sep 17 00:00:00 2001
+From: Brian C. Lane <bcl at redhat.com>
+Date: Fri, 17 Sep 2010 09:21:24 -0700
+Subject: [PATCH] Handle syncing partition changes when using blkext majors (#634980)
+
+Also remove unused _device_get_partition_range function
+---
+ libparted/arch/linux.c |   37 ++++---------------------------------
+ 1 files changed, 4 insertions(+), 33 deletions(-)
+
+diff --git a/libparted/arch/linux.c b/libparted/arch/linux.c
+index 38f4e31..225d06b 100644
+--- a/libparted/arch/linux.c
++++ b/libparted/arch/linux.c
+@@ -2391,35 +2391,6 @@ _blkpg_remove_partition (PedDisk* disk, int n)
+ }
+ 
+ /*
+- * The number of partitions that a device can have depends on the kernel.
+- * If we don't find this value in /sys/block/DEV/range, we will use our own
+- * value.
+- */
+-static unsigned int
+-_device_get_partition_range(PedDevice* dev)
+-{
+-        int         range, r;
+-        char        path[128];
+-        FILE*       fp;
+-        bool        ok;
+-
+-        r = snprintf(path, sizeof(path), "/sys/block/%s/range",
+-                     last_component(dev->path));
+-        if (r < 0 || r >= sizeof(path))
+-                return MAX_NUM_PARTS;
+-
+-        fp = fopen(path, "r");
+-        if (!fp)
+-                return MAX_NUM_PARTS;
+-
+-        ok = fscanf(fp, "%d", &range) == 1;
+-        fclose(fp);
+-
+-        /* (range <= 0) is none sense.*/
+-        return ok && range > 0 ? range : MAX_NUM_PARTS;
+-}
+-
+-/*
+  * Sync the partition table in two step process:
+  * 1. Remove all of the partitions from the kernel's tables, but do not attempt
+  *    removal of any partition for which the corresponding ioctl call fails.
+@@ -2441,10 +2412,10 @@ _disk_sync_part_table (PedDisk* disk)
+         int lpn;
+ 
+         /* lpn = largest partition number. */
+-        if (ped_disk_get_max_supported_partition_count(disk, &lpn))
+-                lpn = PED_MIN(lpn, _device_get_partition_range(disk->dev));
+-        else
+-                lpn = _device_get_partition_range(disk->dev);
++        if (!ped_disk_get_max_supported_partition_count(disk, &lpn))
++                lpn = 256; /* HDG: not pretty but there is no other way
++                              as we must make sure any removed partitions
++                              actually get removed from the kernels view */
+ 
+         /* Its not possible to support largest_partnum < 0.
+          * largest_partnum == 0 would mean does not support partitions.
+-- 
+1.7.2.2
+
diff --git a/parted.spec b/parted.spec
index 5ef5a84..e25e9bf 100644
--- a/parted.spec
+++ b/parted.spec
@@ -4,7 +4,7 @@
 Summary: The GNU disk partition manipulation program
 Name:    parted
 Version: 2.3
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: GPLv3+
 Group:   Applications/System
 URL:     http://www.gnu.org/software/parted
@@ -16,6 +16,8 @@ Source2: pubkey.jim.meyering
 
 # Recognize scsi disks with a high major as such
 Patch0: parted-2.2-hi-major-sd-rh611691.patch
+# Report partitions changes when using blkext major numbers
+Patch1: parted-2.3-lpn.patch
 
 Buildroot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildRequires: e2fsprogs-devel
@@ -59,6 +61,7 @@ Parted library, you need to install this package.
 gpg --import %{SOURCE2}
 gpg --verify %{SOURCE1} %{SOURCE0}
 %patch0 -p1
+%patch1 -p1
 iconv -f ISO-8859-1 -t UTF8 AUTHORS > tmp; touch -r AUTHORS tmp; mv tmp AUTHORS
 
 
@@ -134,6 +137,11 @@ fi
 
 
 %changelog
+* Fri Sep 17 2010 Brian C. Lane <bcl at redhat.com> 2.3-2
+- Add patch to handle syncing partition changes when using blkext majors
+- Resolves rhbz#634980
+- Related rhbz#629719
+
 * Tue Jul 20 2010 Hans de Goede <hdegoede at redhat.com> 2.3-1
 - Rebase to new upstream 2.3 release
 - Drop all patches (all upstreamed)