Create a wrapper/helper that can be used to call the storage backend
wipe helper - storageBackendVolWipeLocalFile for future use by logical
and disk backends to clear out the partition table rather than having
each open code the same algorithm.
Signed-off-by: John Ferlan <jferlan@xxxxxxxxxx>
---
src/storage/storage_util.c | 18 ++++++++++++++++++
src/storage/storage_util.h | 4 ++++
2 files changed, 22 insertions(+)
diff --git a/src/storage/storage_util.c b/src/storage/storage_util.c
index 8e25984..784df7a 100644
--- a/src/storage/storage_util.c
+++ b/src/storage/storage_util.c
@@ -4087,3 +4087,21 @@ virStorageBackendSCSIFindLUs(virStoragePoolObjPtr pool,
return found;
}
+
+
+/*
+ * @path: Path to the device to initialize
+ * @size: Size to be cleared
+ *
+ * Clear out device header for the purpose of being able to write
+ * some sort of partition to the device.
+ *
+ * Returns 0 on success, -1 on failure with error message set
+ */
+int
+virStorageBackendZeroDeviceHeader(const char *path,
+ unsigned long long size)
+{
+ return storageBackendVolWipeLocalFile(path, VIR_STORAGE_VOL_WIPE_ALG_ZERO,
+ size);
+}
diff --git a/src/storage/storage_util.h b/src/storage/storage_util.h
index 602d3a0..756d140 100644
--- a/src/storage/storage_util.h
+++ b/src/storage/storage_util.h
@@ -167,4 +167,8 @@ virStorageBackendCreateQemuImgCmdFromVol(virConnectPtr conn,
int virStorageBackendSCSIFindLUs(virStoragePoolObjPtr pool,
uint32_t scanhost);
+int
+virStorageBackendZeroDeviceHeader(const char *path,
+ unsigned long long size);
+
#endif /* __VIR_STORAGE_UTIL_H__ */
--
2.9.3
--
libvir-list mailing list
libvir-list@xxxxxxxxxx
https://www.redhat.com/mailman/listinfo/libvir-list
