[Qemu-devel] [v19 08/25] iscsi.c: replace QEMUOptionParamter with QemuOpts

[Chunyan Liu <cyliu@suse.com>]

iscsi.c: replace QEMUOptionParamter with QemuOpts

Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Chunyan Liu <cyliu@suse.com>
---
 block/iscsi.c |   61 ++++++++++++++++++++++++++++-----------------------------
 1 files changed, 30 insertions(+), 31 deletions(-)

diff --git a/block/iscsi.c b/block/iscsi.c
index c0ea0c4..d496aff 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -1346,7 +1346,22 @@ static int iscsi_truncate(BlockDriverState *bs, int64_t offset)
     return 0;
 }
 
-static int iscsi_create(const char *filename, QEMUOptionParameter *options,
+static int iscsi_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
+{
+    IscsiLun *iscsilun = bs->opaque;
+    bdi->unallocated_blocks_are_zero = !!iscsilun->lbprz;
+    bdi->can_write_zeroes_with_unmap = iscsilun->lbprz && iscsilun->lbp.lbpws;
+    /* Guess the internal cluster (page) size of the iscsi target by the means
+     * of opt_unmap_gran. Transfer the unmap granularity only if it has a
+     * reasonable size for bdi->cluster_size */
+    if (iscsilun->bl.opt_unmap_gran * iscsilun->block_size >= 64 * 1024 &&
+        iscsilun->bl.opt_unmap_gran * iscsilun->block_size <= 16 * 1024 * 1024) {
+        bdi->cluster_size = iscsilun->bl.opt_unmap_gran * iscsilun->block_size;
+    }
+    return 0;
+}
+
+static int iscsi_create(const char *filename, QemuOpts *opts,
                         Error **errp)
 {
     int ret = 0;
@@ -1358,13 +1373,8 @@ static int iscsi_create(const char *filename, QEMUOptionParameter *options,
     bs = bdrv_new("");
 
     /* Read out options */
-    while (options && options->name) {
-        if (!strcmp(options->name, "size")) {
-            total_size = options->value.n / BDRV_SECTOR_SIZE;
-        }
-        options++;
-    }
-
+    total_size =
+        qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0) / BDRV_SECTOR_SIZE;
     bs->opaque = g_malloc0(sizeof(struct IscsiLun));
     iscsilun = bs->opaque;
 
@@ -1400,28 +1410,17 @@ out:
     return ret;
 }
 
-static int iscsi_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
-{
-    IscsiLun *iscsilun = bs->opaque;
-    bdi->unallocated_blocks_are_zero = !!iscsilun->lbprz;
-    bdi->can_write_zeroes_with_unmap = iscsilun->lbprz && iscsilun->lbp.lbpws;
-    /* Guess the internal cluster (page) size of the iscsi target by the means
-     * of opt_unmap_gran. Transfer the unmap granularity only if it has a
-     * reasonable size for bdi->cluster_size */
-    if (iscsilun->bl.opt_unmap_gran * iscsilun->block_size >= 64 * 1024 &&
-        iscsilun->bl.opt_unmap_gran * iscsilun->block_size <= 16 * 1024 * 1024) {
-        bdi->cluster_size = iscsilun->bl.opt_unmap_gran * iscsilun->block_size;
+static QemuOptsList iscsi_create_opts = {
+    .name = "iscsi-create-opts",
+    .head = QTAILQ_HEAD_INITIALIZER(iscsi_create_opts.head),
+    .desc = {
+        {
+            .name = BLOCK_OPT_SIZE,
+            .type = QEMU_OPT_SIZE,
+            .help = "Virtual disk size"
+        },
+        { /* end of list */ }
     }
-    return 0;
-}
-
-static QEMUOptionParameter iscsi_create_options[] = {
-    {
-        .name = BLOCK_OPT_SIZE,
-        .type = OPT_SIZE,
-        .help = "Virtual disk size"
-    },
-    { NULL }
 };
 
 static BlockDriver bdrv_iscsi = {
@@ -1432,8 +1431,8 @@ static BlockDriver bdrv_iscsi = {
     .bdrv_needs_filename = true,
     .bdrv_file_open  = iscsi_open,
     .bdrv_close      = iscsi_close,
-    .bdrv_create     = iscsi_create,
-    .create_options  = iscsi_create_options,
+    .bdrv_create2    = iscsi_create,
+    .create_opts     = &iscsi_create_opts,
 
     .bdrv_getlength  = iscsi_getlength,
     .bdrv_get_info   = iscsi_get_info,
-- 
1.6.0.2