parted/0002-Add-extra-judgment-for-a-partition-created-success.patch

From c6c56f6510257a04013f24d63ba6755cadb176bd Mon Sep 17 00:00:00 2001
From: linyan <linyanly.lin@huawei.com>
Date: Fri, 25 Jan 2019 16:13:20 +0000
Subject: [PATCH] Add extra judgment for a partition created success and solve
 the problem that parted races with systemd-udevd.

---
 libparted/arch/linux.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/libparted/arch/linux.c b/libparted/arch/linux.c
index ec61b11..8fda092 100644
--- a/libparted/arch/linux.c
+++ b/libparted/arch/linux.c
@@ -2530,6 +2530,25 @@ _blkpg_part_command (PedDevice* dev, struct blkpg_partition* part, int op)
         return ioctl (arch_specific->fd, BLKPG, &ioctl_arg) == 0;
 }
 
+static int _add_partition_succ(char *devname)
+{
+        int part_fd = -1;
+        int succ = 0;
+        unsigned size;
+        uint64_t bytes=0;
+
+        part_fd = open(devname, RD_MODE);
+
+        if (part_fd != -1) {
+                if(ioctl(part_fd, BLKGETSIZE64, &bytes) == 0 || ioctl (part_fd, BLKGETSIZE, &size) == 0) {
+                        succ = 1;
+                }
+                close(part_fd);
+        }
+
+        return succ;
+}
+
 static int
 _blkpg_add_partition (PedDisk* disk, const PedPartition *part)
 {
@@ -2580,6 +2599,8 @@ _blkpg_add_partition (PedDisk* disk, const PedPartition *part)
 
         if (!_blkpg_part_command (disk->dev, &linux_part,
                                   BLKPG_ADD_PARTITION)) {
+            if (_add_partition_succ(linux_part.devname))
+                return 1;
                 return 0;
         }
 
-- 
1.8.3.1