From nobody Sun Oct 5 21:16:21 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1505761798039919.6114293985913; Mon, 18 Sep 2017 12:09:58 -0700 (PDT) Received: from localhost ([::1]:38418 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1du1Qb-0004Xd-8m for importer@patchew.org; Mon, 18 Sep 2017 15:09:57 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44410) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1du1G4-0002Q6-Nl for qemu-devel@nongnu.org; Mon, 18 Sep 2017 14:59:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1du1G3-0006as-Aj for qemu-devel@nongnu.org; Mon, 18 Sep 2017 14:59:04 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51016) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1du1G0-0006YG-20; Mon, 18 Sep 2017 14:59:00 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 077922CE92A; Mon, 18 Sep 2017 18:58:59 +0000 (UTC) Received: from red.redhat.com (ovpn-124-97.rdu2.redhat.com [10.10.124.97]) by smtp.corp.redhat.com (Postfix) with ESMTP id 89B365C541; Mon, 18 Sep 2017 18:58:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 077922CE92A Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=eblake@redhat.com From: Eric Blake To: qemu-devel@nongnu.org Date: Mon, 18 Sep 2017 13:58:11 -0500 Message-Id: <20170918185819.5984-13-eblake@redhat.com> In-Reply-To: <20170918185819.5984-1-eblake@redhat.com> References: <20170918185819.5984-1-eblake@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Mon, 18 Sep 2017 18:58:59 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v8 12/20] dirty-bitmap: Change bdrv_get_dirty_count() to report bytes X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, vsementsov@virtuozzo.com, Fam Zheng , qemu-block@nongnu.org, Juan Quintela , Jeff Cody , "Dr. David Alan Gilbert" , Max Reitz , Stefan Hajnoczi , jsnow@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Thanks to recent cleanups, all callers were scaling a return value of sectors into bytes; do the scaling internally instead. Signed-off-by: Eric Blake Reviewed-by: John Snow --- v8: no change, add R-b v7: fix one more trace caller [Kevin] v4-v6: no change v3: no change, add R-b v2: no change --- block/dirty-bitmap.c | 4 ++-- block/mirror.c | 16 ++++++---------- migration/block.c | 2 +- 3 files changed, 9 insertions(+), 13 deletions(-) diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c index e451916187..8322e23f0d 100644 --- a/block/dirty-bitmap.c +++ b/block/dirty-bitmap.c @@ -423,7 +423,7 @@ BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDrive= rState *bs) QLIST_FOREACH(bm, &bs->dirty_bitmaps, list) { BlockDirtyInfo *info =3D g_new0(BlockDirtyInfo, 1); BlockDirtyInfoList *entry =3D g_new0(BlockDirtyInfoList, 1); - info->count =3D bdrv_get_dirty_count(bm) << BDRV_SECTOR_BITS; + info->count =3D bdrv_get_dirty_count(bm); info->granularity =3D bdrv_dirty_bitmap_granularity(bm); info->has_name =3D !!bm->name; info->name =3D g_strdup(bm->name); @@ -652,7 +652,7 @@ void bdrv_set_dirty_iter(BdrvDirtyBitmapIter *iter, int= 64_t offset) int64_t bdrv_get_dirty_count(BdrvDirtyBitmap *bitmap) { - return hbitmap_count(bitmap->bitmap); + return hbitmap_count(bitmap->bitmap) << BDRV_SECTOR_BITS; } int64_t bdrv_get_meta_dirty_count(BdrvDirtyBitmap *bitmap) diff --git a/block/mirror.c b/block/mirror.c index 77bf5aa3a4..7113d47db4 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -340,8 +340,7 @@ static uint64_t coroutine_fn mirror_iteration(MirrorBlo= ckJob *s) if (offset < 0) { bdrv_set_dirty_iter(s->dbi, 0); offset =3D bdrv_dirty_iter_next(s->dbi); - trace_mirror_restart_iter(s, bdrv_get_dirty_count(s->dirty_bitmap)= * - BDRV_SECTOR_SIZE); + trace_mirror_restart_iter(s, bdrv_get_dirty_count(s->dirty_bitmap)= ); assert(offset >=3D 0); } bdrv_dirty_bitmap_unlock(s->dirty_bitmap); @@ -811,11 +810,10 @@ static void coroutine_fn mirror_run(void *opaque) cnt =3D bdrv_get_dirty_count(s->dirty_bitmap); /* s->common.offset contains the number of bytes already processed= so - * far, cnt is the number of dirty sectors remaining and + * far, 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 total operation lengt= h */ - s->common.len =3D s->common.offset + s->bytes_in_flight + - cnt * BDRV_SECTOR_SIZE; + s->common.len =3D s->common.offset + 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() retur= ns. @@ -827,8 +825,7 @@ static void coroutine_fn mirror_run(void *opaque) s->common.iostatus =3D=3D BLOCK_DEVICE_IO_STATUS_OK) { if (s->in_flight >=3D MAX_IN_FLIGHT || s->buf_free_count =3D= =3D 0 || (cnt =3D=3D 0 && s->in_flight > 0)) { - trace_mirror_yield(s, cnt * BDRV_SECTOR_SIZE, - s->buf_free_count, s->in_flight); + trace_mirror_yield(s, cnt, s->buf_free_count, s->in_flight= ); mirror_wait_for_io(s); continue; } else if (cnt !=3D 0) { @@ -869,7 +866,7 @@ static void coroutine_fn mirror_run(void *opaque) * whether to switch to target check one last time if I/O has * come in the meanwhile, and if not flush the data to disk. */ - trace_mirror_before_drain(s, cnt * BDRV_SECTOR_SIZE); + trace_mirror_before_drain(s, cnt); bdrv_drained_begin(bs); cnt =3D bdrv_get_dirty_count(s->dirty_bitmap); @@ -888,8 +885,7 @@ static void coroutine_fn mirror_run(void *opaque) } ret =3D 0; - trace_mirror_before_sleep(s, cnt * BDRV_SECTOR_SIZE, - s->synced, delay_ns); + trace_mirror_before_sleep(s, cnt, s->synced, delay_ns); if (!s->synced) { block_job_sleep_ns(&s->common, QEMU_CLOCK_REALTIME, delay_ns); if (block_job_is_cancelled(&s->common)) { diff --git a/migration/block.c b/migration/block.c index 9171f60028..a3512945da 100644 --- a/migration/block.c +++ b/migration/block.c @@ -667,7 +667,7 @@ static int64_t get_remaining_dirty(void) aio_context_release(blk_get_aio_context(bmds->blk)); } - return dirty << BDRV_SECTOR_BITS; + return dirty; } --=20 2.13.5