diff options
Diffstat (limited to 'include/block/block-common.h')
| -rw-r--r-- | include/block/block-common.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/block/block-common.h b/include/block/block-common.h index 469300fe8d..b5122ef8ab 100644 --- a/include/block/block-common.h +++ b/include/block/block-common.h @@ -54,6 +54,20 @@ #define co_wrapper_bdrv_rdlock no_coroutine_fn #define co_wrapper_mixed_bdrv_rdlock no_coroutine_fn coroutine_mixed_fn +/* + * no_co_wrapper: Function specifier used by block-coroutine-wrapper.py + * + * Function specifier which does nothing but mark functions to be generated by + * scripts/block-coroutine-wrapper.py. + * + * A no_co_wrapper function declaration creates a coroutine_fn wrapper around + * functions that must not be called in coroutine context. It achieves this by + * scheduling a BH in the bottom half that runs the respective non-coroutine + * function. The coroutine yields after scheduling the BH and is reentered when + * the wrapped function returns. + */ +#define no_co_wrapper + #include "block/blockjob.h" /* block.c */ |