qcow2: Use dashes instead of underscores in options

This is what QMP wants to use. The options haven't been enabled in any
release yet, so we're still free to change them.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>

block/qcow2.c

@@ -291,7 +291,7 @@ static QemuOptsList qcow2_runtime_opts = {
     .head = QTAILQ_HEAD_INITIALIZER(qcow2_runtime_opts.head),
     .desc = {
         {
-            .name = "lazy_refcounts",
+            .name = QCOW2_OPT_LAZY_REFCOUNTS,
             .type = QEMU_OPT_BOOL,
             .help = "Postpone refcount updates",
         },

block/qcow2.h

@@ -59,10 +59,10 @@
 #define DEFAULT_CLUSTER_SIZE 65536
 
 
-#define QCOW2_OPT_LAZY_REFCOUNTS "lazy_refcounts"
-#define QCOW2_OPT_DISCARD_REQUEST "pass_discard_request"
-#define QCOW2_OPT_DISCARD_SNAPSHOT "pass_discard_snapshot"
-#define QCOW2_OPT_DISCARD_OTHER "pass_discard_other"
+#define QCOW2_OPT_LAZY_REFCOUNTS "lazy-refcounts"
+#define QCOW2_OPT_DISCARD_REQUEST "pass-discard-request"
+#define QCOW2_OPT_DISCARD_SNAPSHOT "pass-discard-snapshot"
+#define QCOW2_OPT_DISCARD_OTHER "pass-discard-other"
 
 typedef struct QCowHeader {
     uint32_t magic;

tests/qemu-iotests/051

@@ -72,11 +72,11 @@ echo
 echo === Enable and disable lazy refcounting on the command line, plus some invalid values ===
 echo
 
-run_qemu -drive file=$TEST_IMG,format=qcow2,lazy_refcounts=on
-run_qemu -drive file=$TEST_IMG,format=qcow2,lazy_refcounts=off
-run_qemu -drive file=$TEST_IMG,format=qcow2,lazy_refcounts=
-run_qemu -drive file=$TEST_IMG,format=qcow2,lazy_refcounts=42
-run_qemu -drive file=$TEST_IMG,format=qcow2,lazy_refcounts=foo
+run_qemu -drive file=$TEST_IMG,format=qcow2,lazy-refcounts=on
+run_qemu -drive file=$TEST_IMG,format=qcow2,lazy-refcounts=off
+run_qemu -drive file=$TEST_IMG,format=qcow2,lazy-refcounts=
+run_qemu -drive file=$TEST_IMG,format=qcow2,lazy-refcounts=42
+run_qemu -drive file=$TEST_IMG,format=qcow2,lazy-refcounts=foo
 
 
 echo
@@ -85,8 +85,8 @@ echo
 
 _make_test_img -ocompat=0.10 $size
 
-run_qemu -drive file=$TEST_IMG,format=qcow2,lazy_refcounts=on
-run_qemu -drive file=$TEST_IMG,format=qcow2,lazy_refcounts=off
+run_qemu -drive file=$TEST_IMG,format=qcow2,lazy-refcounts=on
+run_qemu -drive file=$TEST_IMG,format=qcow2,lazy-refcounts=off
 
 echo
 echo === No medium ===

tests/qemu-iotests/051.out

@@ -22,35 +22,35 @@ QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=foo: could not
 
 === Enable and disable lazy refcounting on the command line, plus some invalid values ===
 
-Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy_refcounts=on
+Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=on
 QEMU 1.5.50 monitor - type 'help' for more information
 (qemu) qququiquit
 
-Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy_refcounts=off
+Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=off
 QEMU 1.5.50 monitor - type 'help' for more information
 (qemu) qququiquit
 
-Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy_refcounts=
-QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy_refcounts=: Parameter 'lazy_refcounts' expects 'on' or 'off'
-QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy_refcounts=: could not open disk image TEST_DIR/t.qcow2: Invalid argument
+Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=
+QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=: Parameter 'lazy-refcounts' expects 'on' or 'off'
+QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=: could not open disk image TEST_DIR/t.qcow2: Invalid argument
 
-Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy_refcounts=42
-QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy_refcounts=42: Parameter 'lazy_refcounts' expects 'on' or 'off'
-QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy_refcounts=42: could not open disk image TEST_DIR/t.qcow2: Invalid argument
+Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=42
+QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=42: Parameter 'lazy-refcounts' expects 'on' or 'off'
+QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=42: could not open disk image TEST_DIR/t.qcow2: Invalid argument
 
-Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy_refcounts=foo
-QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy_refcounts=foo: Parameter 'lazy_refcounts' expects 'on' or 'off'
-QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy_refcounts=foo: could not open disk image TEST_DIR/t.qcow2: Invalid argument
+Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=foo
+QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=foo: Parameter 'lazy-refcounts' expects 'on' or 'off'
+QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=foo: could not open disk image TEST_DIR/t.qcow2: Invalid argument
 
 
 === With version 2 images enabling lazy refcounts must fail ===
 
 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 
-Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy_refcounts=on
-QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy_refcounts=on: Lazy refcounts require a qcow2 image with at least qemu 1.1 compatibility level
-QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy_refcounts=on: could not open disk image TEST_DIR/t.qcow2: Invalid argument
+Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=on
+QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=on: Lazy refcounts require a qcow2 image with at least qemu 1.1 compatibility level
+QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=on: could not open disk image TEST_DIR/t.qcow2: Invalid argument
 
-Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy_refcounts=off
+Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,lazy-refcounts=off
 QEMU 1.5.50 monitor - type 'help' for more information
 (qemu) qququiquit