[PATCH v2 3/7] block: Adjust check_block_size() signature

Markus Armbruster posted 7 patches 1 month, 2 weeks ago
[PATCH v2 3/7] block: Adjust check_block_size() signature
Posted by Markus Armbruster 1 month, 2 weeks ago
Parameter @id is no longer used, drop.  Return a bool to indicate
success / failure, as recommended by qapi/error.h.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
---
 util/block-helpers.h                 |  3 +--
 block/export/vduse-blk.c             |  7 ++-----
 block/export/vhost-user-blk-server.c |  6 +-----
 hw/core/qdev-properties-system.c     |  6 +-----
 util/block-helpers.c                 | 10 ++++++----
 5 files changed, 11 insertions(+), 21 deletions(-)

diff --git a/util/block-helpers.h b/util/block-helpers.h
index b53295a529..838b0825f6 100644
--- a/util/block-helpers.h
+++ b/util/block-helpers.h
@@ -13,7 +13,6 @@
 #define MAX_BLOCK_SIZE          (2 * MiB)
 #define MAX_BLOCK_SIZE_STR      "2 MiB"
 
-void check_block_size(const char *id, const char *name, int64_t value,
-                      Error **errp);
+bool check_block_size(const char *name, int64_t value, Error **errp);
 
 #endif /* BLOCK_HELPERS_H */
diff --git a/block/export/vduse-blk.c b/block/export/vduse-blk.c
index 172f73cef4..bd852e538d 100644
--- a/block/export/vduse-blk.c
+++ b/block/export/vduse-blk.c
@@ -273,7 +273,6 @@ static int vduse_blk_exp_create(BlockExport *exp, BlockExportOptions *opts,
     uint64_t logical_block_size = VIRTIO_BLK_SECTOR_SIZE;
     uint16_t num_queues = VDUSE_DEFAULT_NUM_QUEUE;
     uint16_t queue_size = VDUSE_DEFAULT_QUEUE_SIZE;
-    Error *local_err = NULL;
     struct virtio_blk_config config = { 0 };
     uint64_t features;
     int i, ret;
@@ -297,10 +296,8 @@ static int vduse_blk_exp_create(BlockExport *exp, BlockExportOptions *opts,
 
     if (vblk_opts->has_logical_block_size) {
         logical_block_size = vblk_opts->logical_block_size;
-        check_block_size(exp->id, "logical-block-size", logical_block_size,
-                         &local_err);
-        if (local_err) {
-            error_propagate(errp, local_err);
+        if (!check_block_size("logical-block-size", logical_block_size,
+                              errp)) {
             return -EINVAL;
         }
     }
diff --git a/block/export/vhost-user-blk-server.c b/block/export/vhost-user-blk-server.c
index 50c358e8cd..d9d2014d9b 100644
--- a/block/export/vhost-user-blk-server.c
+++ b/block/export/vhost-user-blk-server.c
@@ -319,7 +319,6 @@ static int vu_blk_exp_create(BlockExport *exp, BlockExportOptions *opts,
 {
     VuBlkExport *vexp = container_of(exp, VuBlkExport, export);
     BlockExportOptionsVhostUserBlk *vu_opts = &opts->u.vhost_user_blk;
-    Error *local_err = NULL;
     uint64_t logical_block_size;
     uint16_t num_queues = VHOST_USER_BLK_NUM_QUEUES_DEFAULT;
 
@@ -330,10 +329,7 @@ static int vu_blk_exp_create(BlockExport *exp, BlockExportOptions *opts,
     } else {
         logical_block_size = VIRTIO_BLK_SECTOR_SIZE;
     }
-    check_block_size(exp->id, "logical-block-size", logical_block_size,
-                     &local_err);
-    if (local_err) {
-        error_propagate(errp, local_err);
+    if (!check_block_size("logical-block-size", logical_block_size, errp)) {
         return -EINVAL;
     }
 
diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c
index 60bcd821de..35deef05f3 100644
--- a/hw/core/qdev-properties-system.c
+++ b/hw/core/qdev-properties-system.c
@@ -588,18 +588,14 @@ const PropertyInfo qdev_prop_losttickpolicy = {
 static void set_blocksize(Object *obj, Visitor *v, const char *name,
                           void *opaque, Error **errp)
 {
-    DeviceState *dev = DEVICE(obj);
     Property *prop = opaque;
     uint32_t *ptr = object_field_prop_ptr(obj, prop);
     uint64_t value;
-    Error *local_err = NULL;
 
     if (!visit_type_size(v, name, &value, errp)) {
         return;
     }
-    check_block_size(dev->id ? : "", name, value, &local_err);
-    if (local_err) {
-        error_propagate(errp, local_err);
+    if (!check_block_size(name, value, errp)) {
         return;
     }
     *ptr = value;
diff --git a/util/block-helpers.c b/util/block-helpers.c
index fb5de348e2..052b4e1476 100644
--- a/util/block-helpers.c
+++ b/util/block-helpers.c
@@ -14,7 +14,6 @@
 
 /**
  * check_block_size:
- * @id: The unique ID of the object
  * @name: The name of the property being validated
  * @value: The block size in bytes
  * @errp: A pointer to an area to store an error
@@ -23,13 +22,14 @@
  * 1. At least MIN_BLOCK_SIZE
  * 2. No larger than MAX_BLOCK_SIZE
  * 3. A power of 2
+ *
+ * Returns: true on success, false on failure
  */
-void check_block_size(const char *id, const char *name, int64_t value,
-                      Error **errp)
+bool check_block_size(const char *name, int64_t value, Error **errp)
 {
     if (!value) {
         /* unset */
-        return;
+        return true;
     }
 
     if (value < MIN_BLOCK_SIZE || value > MAX_BLOCK_SIZE
@@ -38,5 +38,7 @@ void check_block_size(const char *id, const char *name, int64_t value,
                    "parameter %s must be a power of 2 between %" PRId64
                    " and %" PRId64,
                    name, MIN_BLOCK_SIZE, MAX_BLOCK_SIZE);
+        return false;
     }
+    return true;
 }
-- 
2.46.0
Re: [PATCH v2 3/7] block: Adjust check_block_size() signature
Posted by Philippe Mathieu-Daudé 1 month, 2 weeks ago
On 10/10/24 12:01, Markus Armbruster wrote:
> Parameter @id is no longer used, drop.  Return a bool to indicate
> success / failure, as recommended by qapi/error.h.
> 
> Signed-off-by: Markus Armbruster <armbru@redhat.com>
> ---
>   util/block-helpers.h                 |  3 +--
>   block/export/vduse-blk.c             |  7 ++-----
>   block/export/vhost-user-blk-server.c |  6 +-----
>   hw/core/qdev-properties-system.c     |  6 +-----
>   util/block-helpers.c                 | 10 ++++++----
>   5 files changed, 11 insertions(+), 21 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>