--- block-raw-win32.co Wed Mar 4 22:54:44 2009
+++ block-raw-win32.c Sat Mar 21 05:51:34 2009
@@ -32,6 +32,7 @@
#define FTYPE_FILE 0
#define FTYPE_CD 1
#define FTYPE_HARDDISK 2
+#define FTYPE_DISK 3
typedef struct BDRVRawState {
HANDLE hfile;
@@ -305,6 +306,7 @@
if (l.LowPart == 0xffffffffUL && GetLastError() != NO_ERROR)
return -EIO;
break;
+ case FTYPE_DISK:
case FTYPE_CD:
if (!GetDiskFreeSpaceEx(s->drive_path, &available, &total,
&total_free))
return -EIO;
@@ -402,7 +404,7 @@
if (type == DRIVE_CDROM)
return FTYPE_CD;
else
- return FTYPE_FILE;
+ return FTYPE_DISK;
} else {
return FTYPE_FILE;
}
@@ -411,7 +413,7 @@
static int hdev_open(BlockDriverState *bs, const char *filename, int flags)
{
BDRVRawState *s = bs->opaque;
- int access_flags, create_flags;
+ int access_flags, create_flags, share_flags;
DWORD overlapped;
char device_name[64];
@@ -429,6 +431,10 @@
}
}
s->type = find_device_type(bs, filename);
+ if (s->type == FTYPE_DISK)
+ share_flags = FILE_SHARE_READ | FILE_SHARE_WRITE;
+ else
+ share_flags = FILE_SHARE_READ;
if ((flags & BDRV_O_ACCESS) == O_RDWR) {
access_flags = GENERIC_READ | GENERIC_WRITE;
@@ -447,7 +453,7 @@
else if (!(flags & BDRV_O_CACHE_WB))
overlapped |= FILE_FLAG_WRITE_THROUGH;
s->hfile = CreateFile(filename, access_flags,
- FILE_SHARE_READ, NULL,
+ share_flags, NULL,
create_flags, overlapped, NULL);
if (s->hfile == INVALID_HANDLE_VALUE) {
int err = GetLastError();
Robert Riebisch