@@ -805,12 +805,16 @@ struct BdrvChildClass {
*/
bool parent_is_bds;
+ /*
+ * Global state (GS) API. These functions run under the BQL lock.
+ *
+ * See include/block/block-global-state.h for more information about
+ * the GS API.
+ */
void (*inherit_options)(BdrvChildRole role, bool parent_is_format,
int *child_flags, QDict *child_options,
int parent_flags, QDict *parent_options);
-
void (*change_media)(BdrvChild *child, bool load);
- void (*resize)(BdrvChild *child);
/*
* Returns a name that is supposedly more useful for human users than the
@@ -827,6 +831,32 @@ struct BdrvChildClass {
*/
char *(*get_parent_desc)(BdrvChild *child);
+ void (*attach)(BdrvChild *child);
+ void (*detach)(BdrvChild *child);
+
+ /*
+ * Notifies the parent that the filename of its child has changed (e.g.
+ * because the direct child was removed from the backing chain), so that it
+ * can update its reference.
+ */
+ int (*update_filename)(BdrvChild *child, BlockDriverState *new_base,
+ const char *filename, Error **errp);
+
+ bool (*can_set_aio_ctx)(BdrvChild *child, AioContext *ctx,
+ GSList **ignore, Error **errp);
+ void (*set_aio_ctx)(BdrvChild *child, AioContext *ctx, GSList **ignore);
+
+ AioContext *(*get_parent_aio_context)(BdrvChild *child);
+
+ /*
+ * I/O API functions. These functions are thread-safe.
+ *
+ * See include/block/block-io.h for more information about
+ * the I/O API.
+ */
+
+ void (*resize)(BdrvChild *child);
+
/*
* If this pair of functions is implemented, the parent doesn't issue new
* requests after returning from .drained_begin() until .drained_end() is
@@ -859,23 +889,6 @@ struct BdrvChildClass {
*/
void (*activate)(BdrvChild *child, Error **errp);
int (*inactivate)(BdrvChild *child);
-
- void (*attach)(BdrvChild *child);
- void (*detach)(BdrvChild *child);
-
- /*
- * Notifies the parent that the filename of its child has changed (e.g.
- * because the direct child was removed from the backing chain), so that it
- * can update its reference.
- */
- int (*update_filename)(BdrvChild *child, BlockDriverState *new_base,
- const char *filename, Error **errp);
-
- bool (*can_set_aio_ctx)(BdrvChild *child, AioContext *ctx,
- GSList **ignore, Error **errp);
- void (*set_aio_ctx)(BdrvChild *child, AioContext *ctx, GSList **ignore);
-
- AioContext *(*get_parent_aio_context)(BdrvChild *child);
};
extern const BdrvChildClass child_of_bds;