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X-Received-From: 59.151.112.132 Cc: qemu block , Jiang Yunhong , Dong Eddie , "Dr. David Alan Gilbert" , "Michael R. Hines" , Gonglei , zhanghailiang Subject: [Qemu-devel] [PATCH v15 6/9] auto complete active commit X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Wen Congyang Auto complete mirror job in background to prevent from blocking synchronously Signed-off-by: Wen Congyang Signed-off-by: Changlong Xie --- block/mirror.c | 13 +++++++++---- blockdev.c | 2 +- include/block/block_int.h | 3 ++- qemu-img.c | 2 +- 4 files changed, 13 insertions(+), 7 deletions(-) diff --git a/block/mirror.c b/block/mirror.c index 2c0edfa..79ec170 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -718,7 +718,8 @@ static void mirror_start_job(BlockDriverState *bs, BlockDriverState *target, BlockCompletionFunc *cb, void *opaque, Error **errp, const BlockJobDriver *driver, - bool is_none_mode, BlockDriverState *base) + bool is_none_mode, BlockDriverState *base, + bool auto_complete) { MirrorBlockJob *s; BlockDriverState *replaced_bs; @@ -774,6 +775,9 @@ static void mirror_start_job(BlockDriverState *bs, BlockDriverState *target, s->granularity = granularity; s->buf_size = ROUND_UP(buf_size, granularity); s->unmap = unmap; + if (auto_complete) { + s->should_complete = true; + } s->dirty_bitmap = bdrv_create_dirty_bitmap(bs, granularity, NULL, errp); if (!s->dirty_bitmap) { @@ -815,14 +819,15 @@ void mirror_start(BlockDriverState *bs, BlockDriverState *target, mirror_start_job(bs, target, replaces, speed, granularity, buf_size, on_source_error, on_target_error, unmap, cb, opaque, errp, - &mirror_job_driver, is_none_mode, base); + &mirror_job_driver, is_none_mode, base, false); } void commit_active_start(BlockDriverState *bs, BlockDriverState *base, int64_t speed, BlockdevOnError on_error, BlockCompletionFunc *cb, - void *opaque, Error **errp) + void *opaque, Error **errp, + bool auto_complete) { int64_t length, base_length; int orig_base_flags; @@ -863,7 +868,7 @@ void commit_active_start(BlockDriverState *bs, BlockDriverState *base, bdrv_ref(base); mirror_start_job(bs, base, NULL, speed, 0, 0, on_error, on_error, false, cb, opaque, &local_err, - &commit_active_job_driver, false, base); + &commit_active_job_driver, false, base, auto_complete); if (local_err) { error_propagate(errp, local_err); goto error_restore_flags; diff --git a/blockdev.c b/blockdev.c index 7c1d6da..fd7dce2 100644 --- a/blockdev.c +++ b/blockdev.c @@ -3079,7 +3079,7 @@ void qmp_block_commit(const char *device, goto out; } commit_active_start(bs, base_bs, speed, on_error, block_job_cb, - bs, &local_err); + bs, &local_err, false); } else { commit_start(bs, base_bs, top_bs, speed, on_error, block_job_cb, bs, has_backing_file ? backing_file : NULL, &local_err); diff --git a/include/block/block_int.h b/include/block/block_int.h index e67b6fb..9eb1db6 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -638,13 +638,14 @@ void commit_start(BlockDriverState *bs, BlockDriverState *base, * @cb: Completion function for the job. * @opaque: Opaque pointer value passed to @cb. * @errp: Error object. + * @auto_complete: Auto complete the job. * */ void commit_active_start(BlockDriverState *bs, BlockDriverState *base, int64_t speed, BlockdevOnError on_error, BlockCompletionFunc *cb, - void *opaque, Error **errp); + void *opaque, Error **errp, bool auto_complete); /* * mirror_start: * @bs: Block device to operate on. diff --git a/qemu-img.c b/qemu-img.c index f121980..986cc6d 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -756,7 +756,7 @@ static int img_commit(int argc, char **argv) }; commit_active_start(bs, base_bs, 0, BLOCKDEV_ON_ERROR_REPORT, - common_block_job_cb, &cbi, &local_err); + common_block_job_cb, &cbi, &local_err, false); if (local_err) { goto done; }