File parted-mkpart-set-a-swap-flag-if-available.patch of Package parted.14698

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File parted-mkpart-set-a-swap-flag-if-available.patch of Package parted.14698

From: Sebastian Parschauer <sparschauer@suse.de>
Date: Thu, 15 Jun 2017 18:50:32 +0200
Subject: parted: mkpart: set a swap flag if available
References: fate#314888, bsc#1044536
Patch-mainline: no, upstream wants to drop the swap flag

libparted can't differentiate if ped_partition_set_system() is
called from mkpart context or when reading from disk. This makes
it hard to handle the linux-swap partition type properly.

So check in do_mkpart() if a swap flag is available and only set it
there if the selected FS type name starts with "linux-swap".

Signed-off-by: Sebastian Parschauer <sparschauer@suse.de>
---
 parted/parted.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

--- a/parted/parted.c
+++ b/parted/parted.c
@@ -655,6 +655,13 @@ _adjust_end_if_iec (PedSector* start, Pe
 }
 
 
+static inline int
+is_linux_swap (char const *fs_type_name)
+{
+  char const *prefix = "linux-swap";
+  return strncmp (fs_type_name, prefix, strlen (prefix)) == 0;
+}
+
 static int
 do_mkpart (PedDevice** dev, PedDisk** diskp)
 {
@@ -844,6 +851,9 @@ do_mkpart (PedDevice** dev, PedDisk** di
                 goto error;
         if (ped_partition_is_flag_available (part, PED_PARTITION_LBA))
                 ped_partition_set_flag (part, PED_PARTITION_LBA, 1);
+        if (ped_partition_is_flag_available (part, PED_PARTITION_SWAP) &&
+            fs_type && is_linux_swap(fs_type->name))
+                ped_partition_set_flag (part, PED_PARTITION_SWAP, 1);
 
         if (wipesignatures) {
                 if (!ped_device_wipe_signatures(*dev, part->geom.start, part->geom.length))

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File parted-mkpart-set-a-swap-flag-if-available.patch of Package parted.14698

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