Changeset 38563 in vbox

Timestamp:

Aug 29, 2011 7:33:42 PM (14 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

73729

Message:

Storage: Add an almost working QCOW backend, can handle version 1 images. Support for QCOW2 is incomplete

Location:

trunk/src/VBox/Storage

Files:

• Makefile.kmk (modified) (1 diff)
• QCOW.cpp (added)
• VD.cpp (modified) (2 diffs)
• testcase/Makefile.kmk (modified) (1 diff)
• testcase/tstVDIo.vd (modified) (1 diff)

trunk/src/VBox/Storage/Makefile.kmk

@@ -45 +45 @@
         RAW.cpp \
         QED.cpp \
+        QCOW.cpp \
         VCICache.cpp
 

trunk/src/VBox/Storage/VD.cpp

@@ -436 +436 @@
 extern VBOXHDDBACKEND g_ISCSIBackend;
 extern VBOXHDDBACKEND g_QedBackend;
+extern VBOXHDDBACKEND g_QCowBackend;
 
 static unsigned g_cBackends = 0;
@@ -447 +448 @@
     &g_DmgBackend,
     &g_QedBackend,
+    &g_QCowBackend,
     &g_RawBackend,
     &g_ISCSIBackend

trunk/src/VBox/Storage/testcase/Makefile.kmk

@@ -82 +82 @@
         $(VBOX_PATH_STORAGE_SRC)/RAW.cpp \
         $(VBOX_PATH_STORAGE_SRC)/QED.cpp \
+        $(VBOX_PATH_STORAGE_SRC)/QCOW.cpp \
         $(VBOX_PATH_STORAGE_SRC)/VCICache.cpp
  vbox-img_LIBS = \

trunk/src/VBox/Storage/testcase/tstVDIo.vd

@@ -92 +92 @@
 destroydisk name=test
 
+# QCOW disk
+print msg=Testing_QCOW
+createdisk name=test verify=yes
+create disk=test mode=base name=tstShared.qed type=dynamic backend=QCOW size=200M
+io disk=test async=yes max-reqs=32 mode=seq blocksize=64k off=0-200M size=200M writes=100
+io disk=test async=yes max-reqs=32 mode=seq blocksize=64k off=0-200M size=200M writes=0
+io disk=test async=yes max-reqs=32 mode=rnd blocksize=64k off=0-200M size=200M writes=50
+io disk=test async=yes max-reqs=32 mode=rnd blocksize=64k off=0-200M size=200M writes=0
+close disk=test mode=single delete=no
+open disk=test name=tstShared.qed backend=QCOW async=yes
+io disk=test async=yes max-reqs=32 mode=rnd blocksize=64k off=0-200M size=200M writes=0
+destroydisk name=test
+
 iorngdestroy