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SUSE:SLE-12-SP5:GA
parted
libparted-use-dm_udev_wait.patch
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File libparted-use-dm_udev_wait.patch of Package parted
From: "Brian C. Lane" <bcl@redhat.com> Date: Wed, 11 Sep 2013 12:24:53 -0700 Subject: libparted: use dm_udev_wait (#698121) References: bsc#501773, bsc#1092327 Patch-mainline: v3.2 Git-commit: 60fe959e1446337c3455656daad2c2b7114a1dcd This is based on Peter Rajnoha's patch to use dm_udev_wait to synchronize with udev. This requires libdevmapper v1.02.39 and higher. mailing list thread: https://lists.gnu.org/archive/html/bug-parted/2010-09/msg00007.html * libparted/arch/linux.c (_dm_task_run_wait): New function (_is_dm_major): Add cookie and change call to _dm_task_run_wait (_is_dmraid_device): Same (_dm_is_part): Same (dm_canonical_path): Same (_dm_remove_partition): Same (_dm_get_partition_start_and_length): Same (_dm_add_partition): Same (linux_new): Enable udev sync support Acked-by: Sebastian Parschauer <sparschauer@suse.de> --- libparted/arch/linux.c | 42 +++++++++++++++++++++++++++++------------- 1 file changed, 29 insertions(+), 13 deletions(-) --- a/libparted/arch/linux.c +++ b/libparted/arch/linux.c @@ -438,6 +438,17 @@ _is_virtblk_major (int major) #ifdef ENABLE_DEVICE_MAPPER static int +_dm_task_run_wait (struct dm_task *task, uint32_t cookie) +{ + int rc = 0; + + rc = dm_task_run (task); + dm_udev_wait (cookie); + + return rc; +} + +static int _is_dm_major (int major) { return _major_type_in_devices (major, "device-mapper"); @@ -1385,6 +1396,10 @@ 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; @@ -2618,31 +2633,29 @@ _device_get_partition_range(PedDevice co static int _dm_remove_partition(PedDisk* disk, int partno) { - int rc; + int rc = 0; + uint32_t cookie = 0; char *part_name = _device_get_part_path (disk->dev, partno); int fd = open (part_name, O_RDONLY | O_EXCL); if (fd == -1) { if (errno == ENOENT) errno = ENXIO; /* nothing to remove, device already doesn't exist */ - free (part_name); - return 0; + goto err; } close (fd); struct dm_task *task = dm_task_create(DM_DEVICE_REMOVE); - if (!task) { - free (part_name); - return 0; - } + if (!task) + goto err; dm_task_set_name (task, part_name); - rc = dm_task_run(task); + if (!dm_task_set_cookie (task, &cookie, 0)) + goto err; + rc = _dm_task_run_wait (task, cookie); dm_task_update_nodes(); dm_task_destroy(task); +err: free (part_name); - if (!rc) - return 0; - - return 1; + return rc; } static bool @@ -2686,6 +2699,7 @@ _dm_add_partition (PedDisk* disk, const LinuxSpecific* arch_specific = LINUX_SPECIFIC (disk->dev); char *params = NULL; char *vol_name = NULL; + uint32_t cookie = 0; /* Get map name from devicemapper */ struct dm_task *task = dm_task_create (DM_DEVICE_INFO); @@ -2722,7 +2736,9 @@ _dm_add_partition (PedDisk* disk, const dm_task_set_name (task, vol_name); dm_task_add_target (task, 0, part->geom.length, "linear", params); - if (dm_task_run (task)) { + if (!dm_task_set_cookie (task, &cookie, 0)) + goto err; + if (_dm_task_run_wait (task, cookie)) { dm_task_update_nodes (); dm_task_destroy (task); free (params);
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