ETEXI
DEF("amend", img_amend,
- "amend [-q] [-f fmt] -o options filename")
+ "amend [-q] [-f fmt] [-t cache] -o options filename")
STEXI
-@item amend [-q] [-f @var{fmt}] -o @var{options} @var{filename}
+@item amend [-q] [-f @var{fmt}] [-t @var{cache}] -o @var{options} @var{filename}
@end table
ETEXI
char *options = NULL;
QemuOptsList *create_opts = NULL;
QemuOpts *opts = NULL;
- const char *fmt = NULL, *filename;
+ const char *fmt = NULL, *filename, *cache;
+ int flags;
bool quiet = false;
BlockDriverState *bs = NULL;
+ cache = BDRV_DEFAULT_CACHE;
for (;;) {
- c = getopt(argc, argv, "hqf:o:");
+ c = getopt(argc, argv, "ho:f:t:q");
if (c == -1) {
break;
}
case 'f':
fmt = optarg;
break;
+ case 't':
+ cache = optarg;
+ break;
case 'q':
quiet = true;
break;
error_exit("Expecting one image file name");
}
- bs = bdrv_new_open("image", filename, fmt,
- BDRV_O_FLAGS | BDRV_O_RDWR, true, quiet);
+ flags = BDRV_O_FLAGS | BDRV_O_RDWR;
+ ret = bdrv_parse_cache_flags(cache, &flags);
+ if (ret < 0) {
+ error_report("Invalid cache option: %s", cache);
+ goto out;
+ }
+
+ bs = bdrv_new_open("image", filename, fmt, flags, true, quiet);
if (!bs) {
error_report("Could not open image '%s'", filename);
ret = -1;
partitioning tools inside the VM to actually begin using the new space on the
device.
-@item amend [-f @var{fmt}] -o @var{options} @var{filename}
+@item amend [-f @var{fmt}] [-t @var{cache}] -o @var{options} @var{filename}
Amends the image format specific @var{options} for the image file
@var{filename}. Not all file formats support this operation.