diff options
| -rw-r--r-- | blockjob.c | 13 | ||||
| -rw-r--r-- | include/block/blockjob.h | 14 |
2 files changed, 27 insertions, 0 deletions
diff --git a/blockjob.c b/blockjob.c index 5b840a7df6..0f1bc77b1d 100644 --- a/blockjob.c +++ b/blockjob.c @@ -50,6 +50,16 @@ struct BlockJobTxn { int refcnt; }; +static QLIST_HEAD(, BlockJob) block_jobs = QLIST_HEAD_INITIALIZER(block_jobs); + +BlockJob *block_job_next(BlockJob *job) +{ + if (!job) { + return QLIST_FIRST(&block_jobs); + } + return QLIST_NEXT(job, job_list); +} + void *block_job_create(const BlockJobDriver *driver, BlockDriverState *bs, int64_t speed, BlockCompletionFunc *cb, void *opaque, Error **errp) @@ -76,6 +86,8 @@ void *block_job_create(const BlockJobDriver *driver, BlockDriverState *bs, job->refcnt = 1; bs->job = job; + QLIST_INSERT_HEAD(&block_jobs, job, job_list); + /* Only set speed when necessary to avoid NotSupported error */ if (speed != 0) { Error *local_err = NULL; @@ -103,6 +115,7 @@ void block_job_unref(BlockJob *job) bdrv_unref(job->bs); error_free(job->blocker); g_free(job->id); + QLIST_REMOVE(job, job_list); g_free(job); } } diff --git a/include/block/blockjob.h b/include/block/blockjob.h index 073a433cf8..30bb2c6fd6 100644 --- a/include/block/blockjob.h +++ b/include/block/blockjob.h @@ -135,6 +135,9 @@ struct BlockJob { */ bool deferred_to_main_loop; + /** Element of the list of block jobs */ + QLIST_ENTRY(BlockJob) job_list; + /** Status that is published by the query-block-jobs QMP API */ BlockDeviceIoStatus iostatus; @@ -173,6 +176,17 @@ struct BlockJob { }; /** + * block_job_next: + * @job: A block job, or %NULL. + * + * Get the next element from the list of block jobs after @job, or the + * first one if @job is %NULL. + * + * Returns the requested job, or %NULL if there are no more jobs left. + */ +BlockJob *block_job_next(BlockJob *job); + +/** * block_job_create: * @job_type: The class object for the newly-created job. * @bs: The block |