Changeset 36633 in vbox for trunk/include/VBox

Timestamp:

Apr 8, 2011 9:43:41 PM (14 years ago)

Author:

vboxsync

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

71097

Message:

Storage: Small cleanup. Drops VDImageIsAsyncIOSupported, it is completely unused and the best behavior is to fail in VDOpen like we do for all the other flags

Location:

trunk/include/VBox

Files:

• vd-plugin.h (modified) (1 diff)
• vd.h (modified) (2 diffs)

trunk/include/VBox/vd-plugin.h

@@ -455 +455 @@
 
     /**
-     * Return whether asynchronous I/O operations are supported for this image.
-     *
-     * @returns true if asynchronous I/O is supported
-     *          false otherwise.
-     * @param   pBackendData     Opaque state data for this image.
-     */
-    DECLR3CALLBACKMEMBER(bool, pfnIsAsyncIOSupported, (void *pBackendData));
-
-    /**
      * Start an asynchronous read request.
      *

trunk/include/VBox/vd.h

@@ -167 +167 @@
 #define VD_OPEN_FLAGS_INFO          RT_BIT(3)
 /** Open image for asynchronous access. Only available if VD_CAP_ASYNC_IO is
- * set. Check with VDIsAsynchonousIoSupported whether asynchronous I/O is
- * really supported for this file.  */
+ * set. VDOpen fails with VERR_NOT_SUPPORTED if this operation is not supported for
+ * this kind of image. */
 #define VD_OPEN_FLAGS_ASYNC_IO      RT_BIT(4)
 /** Allow sharing of the image for writable images. May be ignored if the
@@ -2610 +2610 @@
 
 /**
- * Query if asynchronous operations are supported for this disk.
- *
- * @return  VBox status code.
- * @return  VERR_VD_IMAGE_NOT_FOUND if image with specified number was not opened.
- * @param   pDisk           Pointer to the HDD container.
- * @param   nImage          Image number, counts from 0. 0 is always base image of container.
- * @param   pfAIOSupported  Where to store if async IO is supported.
- */
-VBOXDDU_DECL(int) VDImageIsAsyncIOSupported(PVBOXHDD pDisk, unsigned nImage, bool *pfAIOSupported);
-
-
-/**
  * Start an asynchronous read request.
  *