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storage: Ensure the device path exists before refreshing disk pool

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Doing libvirt_parthelper on an not existed device path will get
an unfriendly error message. This patch is to prohibit it.
This commit is contained in:
Osier Yang 2011-09-19 15:35:15 +08:00
parent 232392b1c6
commit 891c6fd74f
1 changed files with 7 additions and 1 deletions
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8
src/storage/storage_backend_disk.c
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@ -262,7 +262,6 @@ static int
virStorageBackendDiskReadPartitions(virStoragePoolObjPtr pool,
virStorageVolDefPtr vol)
{
/*
* # libvirt_parthelper DEVICE
* /dev/sda1 normal data 32256 106928128 106896384
@ -320,6 +319,13 @@ virStorageBackendDiskRefreshPool(virConnectPtr conn ATTRIBUTE_UNUSED,
virFileWaitForDevices();
if (!virFileExists(pool->def->source.devices[0].path)) {
virStorageReportError(VIR_ERR_INVALID_ARG,
_("device path '%s' doesn't exist"),
pool->def->source.devices[0].path);
return -1;
}
if (virStorageBackendDiskReadGeometry(pool) != 0) {
return -1;
}