diff options
Diffstat (limited to 'include/block/blockjob_int.h')
| -rw-r--r-- | include/block/blockjob_int.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/include/block/blockjob_int.h b/include/block/blockjob_int.h index c9b23b0cc9..642adce68b 100644 --- a/include/block/blockjob_int.h +++ b/include/block/blockjob_int.h @@ -54,6 +54,16 @@ struct BlockJobDriver { void (*complete)(BlockJob *job, Error **errp); /** + * If the callback is not NULL, prepare will be invoked when all the jobs + * belonging to the same transaction complete; or upon this job's completion + * if it is not in a transaction. + * + * This callback will not be invoked if the job has already failed. + * If it fails, abort and then clean will be called. + */ + int (*prepare)(BlockJob *job); + + /** * If the callback is not NULL, it will be invoked when all the jobs * belonging to the same transaction complete; or upon this job's * completion if it is not in a transaction. Skipped if NULL. @@ -114,10 +124,13 @@ struct BlockJobDriver { * block_job_create: * @job_id: The id of the newly-created job, or %NULL to have one * generated automatically. - * @job_type: The class object for the newly-created job. + * @driver: The class object for the newly-created job. + * @txn: The transaction this job belongs to, if any. %NULL otherwise. * @bs: The block * @perm, @shared_perm: Permissions to request for @bs * @speed: The maximum speed, in bytes per second, or 0 for unlimited. + * @flags: Creation flags for the Block Job. + * See @BlockJobCreateFlags * @cb: Completion function for the job. * @opaque: Opaque pointer value passed to @cb. * @errp: Error object. @@ -132,7 +145,7 @@ struct BlockJobDriver { * called from a wrapper that is specific to the job type. */ void *block_job_create(const char *job_id, const BlockJobDriver *driver, - BlockDriverState *bs, uint64_t perm, + BlockJobTxn *txn, BlockDriverState *bs, uint64_t perm, uint64_t shared_perm, int64_t speed, int flags, BlockCompletionFunc *cb, void *opaque, Error **errp); |