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Diffstat (limited to 'qemu-img.c')
-rw-r--r--qemu-img.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/qemu-img.c b/qemu-img.c
index df854059be..c8434206b8 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -2778,12 +2778,14 @@ static int img_amend(int argc, char **argv)
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;
}
@@ -2810,6 +2812,9 @@ static int img_amend(int argc, char **argv)
case 'f':
fmt = optarg;
break;
+ case 't':
+ cache = optarg;
+ break;
case 'q':
quiet = true;
break;
@@ -2832,8 +2837,14 @@ static int img_amend(int argc, char **argv)
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;