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bh=FiYlbID0TC7g/mAytPhqN/bsf8MIyh0E9vM2SOuLYJ0=; b=TaDgt1ZNZisOvXx6WCpa1Bxhoc7oqH/WQblkyw2iyq/TCIxUqBhjzJ4CRx5y+3bJPboB9S UPFtNO36GJnZ7SdXGhbutacBhqr4myL+wNRUewHx6ZwjxXEldziLpYSiRRwNiKM+tAG+D+ 4PJ6UNFsWx/8tQKk8WZucNs+T55FfeI= X-MC-Unique: aKVhQyHlNAyfRGnWJfxa1Q-1 From: Max Reitz To: qemu-block@nongnu.org Subject: [PULL 22/24] block/block-copy: add state pointer to BlockCopyTask Date: Tue, 5 May 2020 14:58:24 +0200 Message-Id: <20200505125826.1001451-23-mreitz@redhat.com> In-Reply-To: <20200505125826.1001451-1-mreitz@redhat.com> References: <20200505125826.1001451-1-mreitz@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.139.110.61; envelope-from=mreitz@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/05 00:37:40 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Peter Maydell , qemu-devel@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" From: Vladimir Sementsov-Ogievskiy We are going to use aio-task-pool API, so we'll need state pointer in BlockCopyTask anyway. Add it now and use where possible. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Max Reitz Message-Id: <20200429130847.28124-4-vsementsov@virtuozzo.com> Signed-off-by: Max Reitz --- block/block-copy.c | 28 +++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-) diff --git a/block/block-copy.c b/block/block-copy.c index 8d1b9ab9f0..35ff9cc3ef 100644 --- a/block/block-copy.c +++ b/block/block-copy.c @@ -25,6 +25,7 @@ #define BLOCK_COPY_MAX_MEM (128 * MiB) =20 typedef struct BlockCopyTask { + BlockCopyState *s; int64_t offset; int64_t bytes; QLIST_ENTRY(BlockCopyTask) list; @@ -116,8 +117,11 @@ static BlockCopyTask *block_copy_task_create(BlockCopy= State *s, bdrv_reset_dirty_bitmap(s->copy_bitmap, offset, bytes); s->in_flight_bytes +=3D bytes; =20 - task->offset =3D offset; - task->bytes =3D bytes; + *task =3D (BlockCopyTask) { + .s =3D s, + .offset =3D offset, + .bytes =3D bytes, + }; qemu_co_queue_init(&task->wait_queue); QLIST_INSERT_HEAD(&s->tasks, task, list); =20 @@ -131,8 +135,7 @@ static BlockCopyTask *block_copy_task_create(BlockCopyS= tate *s, * wake up all tasks waiting for us (may be some of them are not intersect= ing * with shrunk task) */ -static void coroutine_fn block_copy_task_shrink(BlockCopyState *s, - BlockCopyTask *task, +static void coroutine_fn block_copy_task_shrink(BlockCopyTask *task, int64_t new_bytes) { if (new_bytes =3D=3D task->bytes) { @@ -141,20 +144,19 @@ static void coroutine_fn block_copy_task_shrink(Block= CopyState *s, =20 assert(new_bytes > 0 && new_bytes < task->bytes); =20 - s->in_flight_bytes -=3D task->bytes - new_bytes; - bdrv_set_dirty_bitmap(s->copy_bitmap, + task->s->in_flight_bytes -=3D task->bytes - new_bytes; + bdrv_set_dirty_bitmap(task->s->copy_bitmap, task->offset + new_bytes, task->bytes - new_byte= s); =20 task->bytes =3D new_bytes; qemu_co_queue_restart_all(&task->wait_queue); } =20 -static void coroutine_fn block_copy_task_end(BlockCopyState *s, - BlockCopyTask *task, int ret) +static void coroutine_fn block_copy_task_end(BlockCopyTask *task, int ret) { - s->in_flight_bytes -=3D task->bytes; + task->s->in_flight_bytes -=3D task->bytes; if (ret < 0) { - bdrv_set_dirty_bitmap(s->copy_bitmap, task->offset, task->bytes); + bdrv_set_dirty_bitmap(task->s->copy_bitmap, task->offset, task->by= tes); } QLIST_REMOVE(task, list); qemu_co_queue_restart_all(&task->wait_queue); @@ -502,9 +504,9 @@ static int coroutine_fn block_copy_dirty_clusters(Block= CopyState *s, ret =3D block_copy_block_status(s, offset, cur_bytes, &status_byte= s); assert(ret >=3D 0); /* never fail */ cur_bytes =3D MIN(cur_bytes, status_bytes); - block_copy_task_shrink(s, task, cur_bytes); + block_copy_task_shrink(task, cur_bytes); if (s->skip_unallocated && !(ret & BDRV_BLOCK_ALLOCATED)) { - block_copy_task_end(s, task, 0); + block_copy_task_end(task, 0); progress_set_remaining(s->progress, bdrv_get_dirty_count(s->copy_bitmap) + s->in_flight_bytes); @@ -520,7 +522,7 @@ static int coroutine_fn block_copy_dirty_clusters(Block= CopyState *s, ret =3D block_copy_do_copy(s, offset, cur_bytes, ret & BDRV_BLOCK_= ZERO, error_is_read); co_put_to_shres(s->mem, cur_bytes); - block_copy_task_end(s, task, ret); + block_copy_task_end(task, ret); if (ret < 0) { return ret; } --=20 2.26.2