diff options
| author | Kevin Wolf <kwolf@redhat.com> | 2023-01-26 18:24:21 +0100 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2023-02-17 11:22:19 +0100 |
| commit | 4bee90e9da3c58b09d4df949d9c64043133e4181 (patch) | |
| tree | 1ec9929d742ff21e2898946fc5c80ec5132b51db /include/sysemu | |
| parent | d6ee2e324ec26a02776d90125e3a55454f0ca57e (diff) | |
block: Create no_co_wrappers for open functions
Images can't be opened in coroutine context because opening needs to
change the block graph. Add no_co_wrappers so that coroutines have a
simple way of opening images in a BH instead.
At the same time, mark the wrapped functions as no_coroutine_fn.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230126172432.436111-3-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Hanna Czenczek <hreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'include/sysemu')
| -rw-r--r-- | include/sysemu/block-backend-global-state.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/include/sysemu/block-backend-global-state.h b/include/sysemu/block-backend-global-state.h index 6858e39cb6..2b6d27db7c 100644 --- a/include/sysemu/block-backend-global-state.h +++ b/include/sysemu/block-backend-global-state.h @@ -23,10 +23,23 @@ */ BlockBackend *blk_new(AioContext *ctx, uint64_t perm, uint64_t shared_perm); -BlockBackend *blk_new_with_bs(BlockDriverState *bs, uint64_t perm, - uint64_t shared_perm, Error **errp); -BlockBackend *blk_new_open(const char *filename, const char *reference, - QDict *options, int flags, Error **errp); + +BlockBackend * no_coroutine_fn +blk_new_with_bs(BlockDriverState *bs, uint64_t perm, uint64_t shared_perm, + Error **errp); + +BlockBackend * coroutine_fn no_co_wrapper +blk_co_new_with_bs(BlockDriverState *bs, uint64_t perm, uint64_t shared_perm, + Error **errp); + +BlockBackend * no_coroutine_fn +blk_new_open(const char *filename, const char *reference, QDict *options, + int flags, Error **errp); + +BlockBackend * coroutine_fn no_co_wrapper +blk_co_new_open(const char *filename, const char *reference, QDict *options, + int flags, Error **errp); + int blk_get_refcnt(BlockBackend *blk); void blk_ref(BlockBackend *blk); void blk_unref(BlockBackend *blk); |