BlockJob has fields .offset and .len, which are actually misnomers today because they are no longer tied to block device sizes, but just progress counters. As such they make a lot of sense in generic Jobs.
This patch moves the fields to Job and renames them to .progress_current and .progress_total to describe their function better. Signed-off-by: Kevin Wolf <kw...@redhat.com> Reviewed-by: Max Reitz <mre...@redhat.com> --- include/block/blockjob.h | 25 ------------------------- include/qemu/job.h | 28 ++++++++++++++++++++++++++++ block/backup.c | 8 ++++---- block/commit.c | 4 ++-- block/mirror.c | 4 ++-- block/stream.c | 4 ++-- blockjob.c | 26 ++++++++------------------ job.c | 10 ++++++++++ qemu-img.c | 8 ++++++-- 9 files changed, 62 insertions(+), 55 deletions(-) diff --git a/include/block/blockjob.h b/include/block/blockjob.h index 4fca45f6a1..3021d11126 100644 --- a/include/block/blockjob.h +++ b/include/block/blockjob.h @@ -52,12 +52,6 @@ typedef struct BlockJob { /** Status that is published by the query-block-jobs QMP API */ BlockDeviceIoStatus iostatus; - /** Offset that is published by the query-block-jobs QMP API */ - int64_t offset; - - /** Length that is published by the query-block-jobs QMP API */ - int64_t len; - /** Speed that was set with @block_job_set_speed. */ int64_t speed; @@ -139,25 +133,6 @@ void block_job_remove_all_bdrv(BlockJob *job); void block_job_set_speed(BlockJob *job, int64_t speed, Error **errp); /** - * block_job_progress_update: - * @job: The job that has made progress - * @done: How much progress the job made - * - * Updates the progress counter of the job. - */ -void block_job_progress_update(BlockJob *job, uint64_t done); - -/** - * block_job_progress_set_remaining: - * @job: The job whose expected progress end value is set - * @remaining: Expected end value of the progress counter of the job - * - * Sets the expected end value of the progress counter of a job so that a - * completion percentage can be calculated when the progress is updated. - */ -void block_job_progress_set_remaining(BlockJob *job, uint64_t remaining); - -/** * block_job_query: * @job: The job to get information about. * diff --git a/include/qemu/job.h b/include/qemu/job.h index bfc2bc5611..92d1d249fe 100644 --- a/include/qemu/job.h +++ b/include/qemu/job.h @@ -114,6 +114,16 @@ typedef struct Job { /** True if this job should automatically dismiss itself */ bool auto_dismiss; + /** + * Current progress. The unit is arbitrary as long as the ratio between + * progress_current and progress_total represents the estimated percentage + * of work already done. + */ + int64_t progress_current; + + /** Estimated progress_current value at the completion of the job */ + int64_t progress_total; + /** ret code passed to job_completed. */ int ret; @@ -304,6 +314,24 @@ void job_ref(Job *job); */ void job_unref(Job *job); +/** + * @job: The job that has made progress + * @done: How much progress the job made since the last call + * + * Updates the progress counter of the job. + */ +void job_progress_update(Job *job, uint64_t done); + +/** + * @job: The job whose expected progress end value is set + * @remaining: Missing progress (on top of the current progress counter value) + * until the new expected end value is reached + * + * Sets the expected end value of the progress counter of a job so that a + * completion percentage can be calculated when the progress is updated. + */ +void job_progress_set_remaining(Job *job, uint64_t remaining); + /** To be called when a cancelled job is finalised. */ void job_event_cancelled(Job *job); diff --git a/block/backup.c b/block/backup.c index 6f4f3df229..4e228e959b 100644 --- a/block/backup.c +++ b/block/backup.c @@ -160,7 +160,7 @@ static int coroutine_fn backup_do_cow(BackupBlockJob *job, * offset field is an opaque progress value, it is not a disk offset. */ job->bytes_read += n; - block_job_progress_update(&job->common, n); + job_progress_update(&job->common.job, n); } out: @@ -406,8 +406,8 @@ static void backup_incremental_init_copy_bitmap(BackupBlockJob *job) bdrv_set_dirty_iter(dbi, next_cluster * job->cluster_size); } - /* TODO block_job_progress_set_remaining() would make more sense */ - block_job_progress_update(&job->common, + /* TODO job_progress_set_remaining() would make more sense */ + job_progress_update(&job->common.job, job->len - hbitmap_count(job->copy_bitmap) * job->cluster_size); bdrv_dirty_iter_free(dbi); @@ -425,7 +425,7 @@ static void coroutine_fn backup_run(void *opaque) qemu_co_rwlock_init(&job->flush_rwlock); nb_clusters = DIV_ROUND_UP(job->len, job->cluster_size); - block_job_progress_set_remaining(&job->common, job->len); + job_progress_set_remaining(&job->common.job, job->len); job->copy_bitmap = hbitmap_alloc(nb_clusters, 0); if (job->sync_mode == MIRROR_SYNC_MODE_INCREMENTAL) { diff --git a/block/commit.c b/block/commit.c index b0a847e678..620666161b 100644 --- a/block/commit.c +++ b/block/commit.c @@ -150,7 +150,7 @@ static void coroutine_fn commit_run(void *opaque) if (len < 0) { goto out; } - block_job_progress_set_remaining(&s->common, len); + job_progress_set_remaining(&s->common.job, len); ret = base_len = blk_getlength(s->base); if (base_len < 0) { @@ -196,7 +196,7 @@ static void coroutine_fn commit_run(void *opaque) } } /* Publish progress */ - block_job_progress_update(&s->common, n); + job_progress_update(&s->common.job, n); if (copy) { delay_ns = block_job_ratelimit_get_delay(&s->common, n); diff --git a/block/mirror.c b/block/mirror.c index bdc1b5b7b9..dcb66ec3be 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -119,7 +119,7 @@ static void mirror_iteration_done(MirrorOp *op, int ret) bitmap_set(s->cow_bitmap, chunk_num, nb_chunks); } if (!s->initial_zeroing_ongoing) { - block_job_progress_update(&s->common, op->bytes); + job_progress_update(&s->common.job, op->bytes); } } qemu_iovec_destroy(&op->qiov); @@ -792,7 +792,7 @@ static void coroutine_fn mirror_run(void *opaque) /* cnt is the number of dirty bytes remaining and s->bytes_in_flight is * the number of bytes currently being processed; together those are * the current remaining operation length */ - block_job_progress_set_remaining(&s->common, s->bytes_in_flight + cnt); + job_progress_set_remaining(&s->common.job, s->bytes_in_flight + cnt); /* Note that even when no rate limit is applied we need to yield * periodically with no pending I/O so that bdrv_drain_all() returns. diff --git a/block/stream.c b/block/stream.c index 8546c412cd..a5d6e0cf8a 100644 --- a/block/stream.c +++ b/block/stream.c @@ -121,7 +121,7 @@ static void coroutine_fn stream_run(void *opaque) ret = len; goto out; } - block_job_progress_set_remaining(&s->common, len); + job_progress_set_remaining(&s->common.job, len); buf = qemu_blockalign(bs, STREAM_BUFFER_SIZE); @@ -184,7 +184,7 @@ static void coroutine_fn stream_run(void *opaque) ret = 0; /* Publish progress */ - block_job_progress_update(&s->common, n); + job_progress_update(&s->common.job, n); if (copy) { delay_ns = block_job_ratelimit_get_delay(&s->common, n); } else { diff --git a/blockjob.c b/blockjob.c index da11b3b763..5c8ff6f846 100644 --- a/blockjob.c +++ b/blockjob.c @@ -242,16 +242,6 @@ int64_t block_job_ratelimit_get_delay(BlockJob *job, uint64_t n) return ratelimit_calculate_delay(&job->limit, n); } -void block_job_progress_update(BlockJob *job, uint64_t done) -{ - job->offset += done; -} - -void block_job_progress_set_remaining(BlockJob *job, uint64_t remaining) -{ - job->len = job->offset + remaining; -} - BlockJobInfo *block_job_query(BlockJob *job, Error **errp) { BlockJobInfo *info; @@ -263,10 +253,10 @@ BlockJobInfo *block_job_query(BlockJob *job, Error **errp) info = g_new0(BlockJobInfo, 1); info->type = g_strdup(job_type_str(&job->job)); info->device = g_strdup(job->job.id); - info->len = job->len; info->busy = atomic_read(&job->job.busy); info->paused = job->job.pause_count > 0; - info->offset = job->offset; + info->offset = job->job.progress_current; + info->len = job->job.progress_total; info->speed = job->speed; info->io_status = job->iostatus; info->ready = job_is_ready(&job->job), @@ -296,8 +286,8 @@ static void block_job_event_cancelled(Notifier *n, void *opaque) qapi_event_send_block_job_cancelled(job_type(&job->job), job->job.id, - job->len, - job->offset, + job->job.progress_total, + job->job.progress_current, job->speed, &error_abort); } @@ -317,8 +307,8 @@ static void block_job_event_completed(Notifier *n, void *opaque) qapi_event_send_block_job_completed(job_type(&job->job), job->job.id, - job->len, - job->offset, + job->job.progress_total, + job->job.progress_current, job->speed, !!msg, msg, @@ -348,8 +338,8 @@ static void block_job_event_ready(Notifier *n, void *opaque) qapi_event_send_block_job_ready(job_type(&job->job), job->job.id, - job->len, - job->offset, + job->job.progress_total, + job->job.progress_current, job->speed, &error_abort); } diff --git a/job.c b/job.c index 34304f2883..f7ab94352a 100644 --- a/job.c +++ b/job.c @@ -364,6 +364,16 @@ void job_unref(Job *job) } } +void job_progress_update(Job *job, uint64_t done) +{ + job->progress_current += done; +} + +void job_progress_set_remaining(Job *job, uint64_t remaining) +{ + job->progress_total = job->progress_current + remaining; +} + void job_event_cancelled(Job *job) { notifier_list_notify(&job->on_finalize_cancelled, job); diff --git a/qemu-img.c b/qemu-img.c index eecb7d3228..e67b7a5844 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -864,9 +864,13 @@ static void run_block_job(BlockJob *job, Error **errp) aio_context_acquire(aio_context); job_ref(&job->job); do { + float progress = 0.0f; aio_poll(aio_context, true); - qemu_progress_print(job->len ? - ((float)job->offset / job->len * 100.f) : 0.0f, 0); + if (job->job.progress_total) { + progress = (float)job->job.progress_current / + job->job.progress_total * 100.f; + } + qemu_progress_print(progress, 0); } while (!job_is_ready(&job->job) && !job_is_completed(&job->job)); if (!job_is_completed(&job->job)) { -- 2.13.6