[libvirt] [PATCH 2/3] storage: Refactor storage file initialization to use virStorageSourcePtr

[Peter Krempa]

Now that storage source metadata is stored in a single struct we don't
need two initialization functions for different structs.
---
 src/qemu/qemu_driver.c        |  6 +++---
 src/storage/storage_backend.c |  1 +
 src/storage/storage_driver.c  | 41 +++++++----------------------------------
 src/storage/storage_driver.h  |  8 +++-----
 4 files changed, 14 insertions(+), 42 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 5b0e484..d824e24 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -12489,7 +12489,7 @@ qemuDomainSnapshotPrepareDiskExternal(virConnectPtr conn,
             return -1;
     }

-    if (!(snapfile = virStorageFileInitFromSnapshotDef(snapdisk)))
+    if (!(snapfile = virStorageFileInit(&snapdisk->src)))
         return -1;

     if (virStorageFileStat(snapfile, &st) < 0) {
@@ -12757,7 +12757,7 @@ qemuDomainSnapshotCreateSingleDiskActive(virQEMUDriverPtr driver,
     virStorageFileFreeMetadata(disk->backingChain);
     disk->backingChain = NULL;

-    if (!(snapfile = virStorageFileInitFromSnapshotDef(snap)))
+    if (!(snapfile = virStorageFileInit(&snap->src)))
         goto cleanup;

     if (qemuDomainSnapshotDiskGetSourceString(snap, &source) < 0)
@@ -12914,7 +12914,7 @@ qemuDomainSnapshotUndoSingleDiskActive(virQEMUDriverPtr driver,
     virStorageFilePtr diskfile = NULL;
     struct stat st;

-    diskfile = virStorageFileInitFromDiskDef(disk);
+    diskfile = virStorageFileInit(&disk->src);

     if (VIR_STRDUP(source, origdisk->src.path) < 0 ||
         (persistDisk && VIR_STRDUP(persistSource, source) < 0))
diff --git a/src/storage/storage_backend.c b/src/storage/storage_backend.c
index b56fefe..8f9df78 100644
--- a/src/storage/storage_backend.c
+++ b/src/storage/storage_backend.c
@@ -55,6 +55,7 @@
 #include "virfile.h"
 #include "stat-time.h"
 #include "virstring.h"
+#include "virxml.h"

 #if WITH_STORAGE_LVM
 # include "storage_backend_logical.h"
diff --git a/src/storage/storage_driver.c b/src/storage/storage_driver.c
index 629525a..b26d791 100644
--- a/src/storage/storage_driver.c
+++ b/src/storage/storage_driver.c
@@ -2747,26 +2747,22 @@ virStorageFileFree(virStorageFilePtr file)
 }


-static virStorageFilePtr
-virStorageFileInitInternal(int type,
-                           const char *path,
-                           int protocol,
-                           size_t nhosts,
-                           virStorageNetHostDefPtr hosts)
+virStorageFilePtr
+virStorageFileInit(virStorageSourcePtr src)
 {
     virStorageFilePtr file = NULL;

     if (VIR_ALLOC(file) < 0)
         return NULL;

-    file->type = type;
-    file->protocol = protocol;
-    file->nhosts = nhosts;
+    file->type = virStorageSourceGetActualType(src);
+    file->protocol = src->protocol;
+    file->nhosts = src->nhosts;

-    if (VIR_STRDUP(file->path, path) < 0)
+    if (VIR_STRDUP(file->path, src->path) < 0)
         goto error;

-    if (!(file->hosts = virStorageNetHostDefCopy(nhosts, hosts)))
+    if (!(file->hosts = virStorageNetHostDefCopy(src->nhosts, src->hosts)))
         goto error;

     if (!(file->backend = virStorageFileBackendForType(file->type,
@@ -2787,29 +2783,6 @@ virStorageFileInitInternal(int type,
 }


-virStorageFilePtr
-virStorageFileInitFromDiskDef(virDomainDiskDefPtr disk)
-{
-    return virStorageFileInitInternal(virStorageSourceGetActualType(&disk->src),
-                                      disk->src.path,
-                                      disk->src.protocol,
-                                      disk->src.nhosts,
-                                      disk->src.hosts);
-}
-
-
-virStorageFilePtr
-virStorageFileInitFromSnapshotDef(virDomainSnapshotDiskDefPtr disk)
-{
-    return virStorageFileInitInternal(virStorageSourceGetActualType(&disk->src),
-                                      disk->src.path,
-                                      disk->src.protocol,
-                                      disk->src.nhosts,
-                                      disk->src.hosts);
-}
-
-
-
 /**
  * virStorageFileCreate: Creates an empty storage file via storage driver
  *
diff --git a/src/storage/storage_driver.h b/src/storage/storage_driver.h
index 886a4d5..d5dda00 100644
--- a/src/storage/storage_driver.h
+++ b/src/storage/storage_driver.h
@@ -25,8 +25,8 @@
 # define __VIR_STORAGE_DRIVER_H__

 # include "storage_conf.h"
-# include "conf/domain_conf.h"
-# include "conf/snapshot_conf.h"
+# include "virstoragefile.h"
+# include <sys/stat.h>

 typedef struct _virStorageFileBackend virStorageFileBackend;
 typedef virStorageFileBackend *virStorageFileBackendPtr;
@@ -46,9 +46,7 @@ struct _virStorageFile {
 };

 virStorageFilePtr
-virStorageFileInitFromDiskDef(virDomainDiskDefPtr disk);
-virStorageFilePtr
-virStorageFileInitFromSnapshotDef(virDomainSnapshotDiskDefPtr disk);
+virStorageFileInit(virStorageSourcePtr src);
 void virStorageFileFree(virStorageFilePtr file);

 int virStorageFileCreate(virStorageFilePtr file);
-- 
1.9.1