diff options
| author | Kevin Wolf <kwolf@redhat.com> | 2023-09-29 16:51:37 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2023-10-12 16:31:33 +0200 |
| commit | e84c07bc73f63cd0251d9fd2c582ad051e27fb39 (patch) | |
| tree | df70b1813e5cf5b49790deb188e311a05ab596df /scripts | |
| parent | 903df115aaa5b9455ffde2894002f3f4820868bd (diff) | |
block-coroutine-wrapper: Add no_co_wrapper_bdrv_rdlock functions
Add a new wrapper type for GRAPH_RDLOCK functions that should be called
from coroutine context.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230929145157.45443-3-kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/block-coroutine-wrapper.py | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/scripts/block-coroutine-wrapper.py b/scripts/block-coroutine-wrapper.py index 685d0b4ed4..a601c3c672 100644 --- a/scripts/block-coroutine-wrapper.py +++ b/scripts/block-coroutine-wrapper.py @@ -87,8 +87,9 @@ class FuncDecl: raise ValueError(f"Invalid no_co function name: {self.name}") if not self.create_only_co: raise ValueError(f"no_co function can't be mixed: {self.name}") - if self.graph_rdlock: - raise ValueError(f"no_co function can't be rdlock: {self.name}") + if self.graph_rdlock and self.graph_wrlock: + raise ValueError("function can't be both rdlock and wrlock: " + f"{self.name}") self.target_name = f'{subsystem}_{subname}' self.ctx = self.gen_ctx() @@ -256,7 +257,10 @@ def gen_no_co_wrapper(func: FuncDecl) -> str: graph_lock='' graph_unlock='' - if func.graph_wrlock: + if func.graph_rdlock: + graph_lock=' bdrv_graph_rdlock_main_loop();' + graph_unlock=' bdrv_graph_rdunlock_main_loop();' + elif func.graph_wrlock: graph_lock=' bdrv_graph_wrlock(NULL);' graph_unlock=' bdrv_graph_wrunlock();' |