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From e3f74af78b774b235123b9d5fa40fead3b003bb2 Mon Sep 17 00:00:00 2001
From: "Brian C. Lane" <bcl@redhat.com>
Date: Fri, 20 Jan 2012 15:31:43 -0800
Subject: [PATCH] libparted: use dm_udev_wait (#698121)
This applies Peter Rajnoha's patch to use dm_udev_wait to
synchronize with udev.
This requires libdevmapper v1.02.39 and higher.
Patch is from:
https://lists.gnu.org/archive/html/bug-parted/2010-09/msg00007.html
Resolves: rhbz#698121
---
libparted/arch/linux.c | 16 +++++++++++++++-
1 files changed, 15 insertions(+), 1 deletions(-)
diff --git a/libparted/arch/linux.c b/libparted/arch/linux.c
index e2c4139..1fcbcad 100644
--- a/libparted/arch/linux.c
+++ b/libparted/arch/linux.c
@@ -1319,6 +1319,10 @@ linux_new (const char* path)
dev->dirty = 0;
dev->boot_dirty = 0;
+#ifdef ENABLE_DEVICE_MAPPER
+ dm_udev_set_sync_support(1);
+#endif
+
if (!_device_probe_type (dev))
goto error_free_arch_specific;
@@ -2676,16 +2680,21 @@ static int
_dm_remove_map_name(char *name)
{
struct dm_task *task = NULL;
- int rc;
+ int rc = 0;
+ uint32_t cookie = 0;
task = dm_task_create(DM_DEVICE_REMOVE);
if (!task)
return 1;
dm_task_set_name (task, name);
+ if (!dm_task_set_cookie(task, &cookie, 0))
+ goto err;
rc = dm_task_run(task);
+ dm_udev_wait(cookie);
dm_task_update_nodes();
+err:
dm_task_destroy(task);
if (!rc)
return 1;
@@ -2796,6 +2805,7 @@ _dm_add_partition (PedDisk* disk, PedPartition* part)
const char* dev_name = NULL;
char* params = NULL;
LinuxSpecific* arch_specific = LINUX_SPECIFIC (disk->dev);
+ uint32_t cookie = 0;
/* Get map name from devicemapper */
struct dm_task *task = dm_task_create (DM_DEVICE_INFO);
@@ -2832,14 +2842,18 @@ _dm_add_partition (PedDisk* disk, PedPartition* part)
dm_task_set_name (task, vol_name);
dm_task_add_target (task, 0, part->geom.length,
"linear", params);
+ if (!dm_task_set_cookie(task, &cookie, 0))
+ goto err;
if (dm_task_run (task)) {
//printf("0 %ld linear %s\n", part->geom.length, params);
+ dm_udev_wait(cookie);
dm_task_update_nodes();
dm_task_destroy(task);
free(params);
free(vol_name);
return 1;
} else {
+ dm_udev_wait(cookie);
_dm_remove_map_name(vol_name);
}
err:
--
1.7.7.6