[Qemu-devel] [PATCH v20 07/26] cow.c: replace QEMUOptionParameter with QemuOpts

[Chunyan Liu <cyliu@suse.com>]

cow.c: replace QEMUOptionParameter with QemuOpts

Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Chunyan Liu <cyliu@suse.com>
---
 block/cow.c |   46 ++++++++++++++++++++++------------------------
 1 files changed, 22 insertions(+), 24 deletions(-)

diff --git a/block/cow.c b/block/cow.c
index 85c2971..0d06781 100644
--- a/block/cow.c
+++ b/block/cow.c
@@ -323,7 +323,7 @@ static void cow_close(BlockDriverState *bs)
 {
 }
 
-static int cow_create(const char *filename, QEMUOptionParameter *options,
+static int cow_create(const char *filename, QemuOpts *opts,
                       Error **errp)
 {
     struct cow_header_v2 cow_header;
@@ -335,16 +335,10 @@ static int cow_create(const char *filename, QEMUOptionParameter *options,
     BlockDriverState *cow_bs;
 
     /* Read out options */
-    while (options && options->name) {
-        if (!strcmp(options->name, BLOCK_OPT_SIZE)) {
-            image_sectors = options->value.n / 512;
-        } else if (!strcmp(options->name, BLOCK_OPT_BACKING_FILE)) {
-            image_filename = options->value.s;
-        }
-        options++;
-    }
+    image_sectors = qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0) / 512;
+    image_filename = qemu_opt_get_del(opts, BLOCK_OPT_BACKING_FILE);
 
-    ret = bdrv_create_file(filename, options, NULL, &local_err);
+    ret = bdrv_create_file(filename, NULL, opts, &local_err);
     if (ret < 0) {
         qerror_report_err(local_err);
         error_free(local_err);
@@ -393,18 +387,22 @@ exit:
     return ret;
 }
 
-static QEMUOptionParameter cow_create_options[] = {
-    {
-        .name = BLOCK_OPT_SIZE,
-        .type = OPT_SIZE,
-        .help = "Virtual disk size"
-    },
-    {
-        .name = BLOCK_OPT_BACKING_FILE,
-        .type = OPT_STRING,
-        .help = "File name of a base image"
-    },
-    { NULL }
+static QemuOptsList cow_create_opts = {
+    .name = "cow-create-opts",
+    .head = QTAILQ_HEAD_INITIALIZER(cow_create_opts.head),
+    .desc = {
+        {
+            .name = BLOCK_OPT_SIZE,
+            .type = QEMU_OPT_SIZE,
+            .help = "Virtual disk size"
+        },
+        {
+            .name = BLOCK_OPT_BACKING_FILE,
+            .type = QEMU_OPT_STRING,
+            .help = "File name of a base image"
+        },
+        { /* end of list */ }
+    }
 };
 
 static BlockDriver bdrv_cow = {
@@ -414,14 +412,14 @@ static BlockDriver bdrv_cow = {
     .bdrv_probe     = cow_probe,
     .bdrv_open      = cow_open,
     .bdrv_close     = cow_close,
-    .bdrv_create    = cow_create,
+    .bdrv_create2    = cow_create,
     .bdrv_has_zero_init     = bdrv_has_zero_init_1,
 
     .bdrv_read              = cow_co_read,
     .bdrv_write             = cow_co_write,
     .bdrv_co_get_block_status   = cow_co_get_block_status,
 
-    .create_options = cow_create_options,
+    .create_opts       = &cow_create_opts,
 };
 
 static void bdrv_cow_init(void)
-- 
1.6.0.2