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dkim=none (message not signed) header.d=none;nongnu.org; dmarc=none action=none header.from=virtuozzo.com; Received: from AM7PR08MB5494.eurprd08.prod.outlook.com (2603:10a6:20b:dc::15) by AS8PR08MB6945.eurprd08.prod.outlook.com (2603:10a6:20b:344::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4478.19; Fri, 3 Sep 2021 10:28:33 +0000 Received: from AM7PR08MB5494.eurprd08.prod.outlook.com ([fe80::2817:53b3:f8b4:fe22]) by AM7PR08MB5494.eurprd08.prod.outlook.com ([fe80::2817:53b3:f8b4:fe22%8]) with mapi id 15.20.4478.022; Fri, 3 Sep 2021 10:28:33 +0000 From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, integration@gluster.org, kraxel@redhat.com, idryomov@gmail.com, berto@igalia.com, philmd@redhat.com, eblake@redhat.com, pl@kamp.de, ronniesahlberg@gmail.com, fam@euphon.net, sw@weilnetz.de, vsementsov@virtuozzo.com, jsnow@redhat.com, stefanha@redhat.com, pbonzini@redhat.com, pavel.dovgaluk@ispras.ru, ari@tuxera.com, hreitz@redhat.com, kwolf@redhat.com Subject: [PATCH v6 05/11] block: use int64_t instead of uint64_t in copy_range driver handlers Date: Fri, 3 Sep 2021 13:28:01 +0300 Message-Id: <20210903102807.27127-6-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210903102807.27127-1-vsementsov@virtuozzo.com> References: <20210903102807.27127-1-vsementsov@virtuozzo.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: HE1PR05CA0163.eurprd05.prod.outlook.com (2603:10a6:3:f8::11) To AM7PR08MB5494.eurprd08.prod.outlook.com (2603:10a6:20b:dc::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (185.215.60.196) by HE1PR05CA0163.eurprd05.prod.outlook.com (2603:10a6:3:f8::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4478.19 via Frontend Transport; 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envelope-from=vsementsov@virtuozzo.com; helo=EUR04-DB3-obe.outbound.protection.outlook.com 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" We are generally moving to int64_t for both offset and bytes parameters on all io paths. Main motivation is realization of 64-bit write_zeroes operation for fast zeroing large disk chunks, up to the whole disk. We chose signed type, to be consistent with off_t (which is signed) and with possibility for signed return type (where negative value means error). So, convert driver copy_range handlers parameters which are already 64bit to signed type. Now let's consider all callers. Simple git grep '\->bdrv_co_copy_range' shows the only caller: bdrv_co_copy_range_internal(), which does bdrv_check_request32(), so everything is OK. Still, the functions may be called directly, not only by drv->... Let's check: git grep '\.bdrv_co_copy_range_\(from\|to\)\s*=' | \ awk '{print $4}' | sed 's/,//' | sed 's/&//' | sort | uniq | \ while read func; do git grep "$func(" | \ grep -v "$func(BlockDriverState"; done shows no more callers. So, we are done. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Eric Blake --- include/block/block_int.h | 12 ++++++------ block/file-posix.c | 10 +++++----- block/iscsi.c | 12 ++++++------ block/qcow2.c | 12 ++++++------ block/raw-format.c | 16 ++++++++-------- 5 files changed, 31 insertions(+), 31 deletions(-) diff --git a/include/block/block_int.h b/include/block/block_int.h index 252fb3df21..f40a2e1f5d 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -313,10 +313,10 @@ struct BlockDriver { */ int coroutine_fn (*bdrv_co_copy_range_from)(BlockDriverState *bs, BdrvChild *src, - uint64_t offset, + int64_t offset, BdrvChild *dst, - uint64_t dst_offset, - uint64_t bytes, + int64_t dst_offset, + int64_t bytes, BdrvRequestFlags read_flags, BdrvRequestFlags write_flags); @@ -330,10 +330,10 @@ struct BlockDriver { */ int coroutine_fn (*bdrv_co_copy_range_to)(BlockDriverState *bs, BdrvChild *src, - uint64_t src_offset, + int64_t src_offset, BdrvChild *dst, - uint64_t dst_offset, - uint64_t bytes, + int64_t dst_offset, + int64_t bytes, BdrvRequestFlags read_flags, BdrvRequestFlags write_flags); diff --git a/block/file-posix.c b/block/file-posix.c index 0afa60bfd1..6c64061a47 100644 --- a/block/file-posix.c +++ b/block/file-posix.c @@ -3202,8 +3202,8 @@ static void raw_abort_perm_update(BlockDriverState *bs) } static int coroutine_fn raw_co_copy_range_from( - BlockDriverState *bs, BdrvChild *src, uint64_t src_offset, - BdrvChild *dst, uint64_t dst_offset, uint64_t bytes, + BlockDriverState *bs, BdrvChild *src, int64_t src_offset, + BdrvChild *dst, int64_t dst_offset, int64_t bytes, BdrvRequestFlags read_flags, BdrvRequestFlags write_flags) { return bdrv_co_copy_range_to(src, src_offset, dst, dst_offset, bytes, @@ -3212,10 +3212,10 @@ static int coroutine_fn raw_co_copy_range_from( static int coroutine_fn raw_co_copy_range_to(BlockDriverState *bs, BdrvChild *src, - uint64_t src_offset, + int64_t src_offset, BdrvChild *dst, - uint64_t dst_offset, - uint64_t bytes, + int64_t dst_offset, + int64_t bytes, BdrvRequestFlags read_flags, BdrvRequestFlags write_flags) { diff --git a/block/iscsi.c b/block/iscsi.c index 4d2a416ce7..6bcde6ec6b 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -2172,10 +2172,10 @@ static void coroutine_fn iscsi_co_invalidate_cache(BlockDriverState *bs, static int coroutine_fn iscsi_co_copy_range_from(BlockDriverState *bs, BdrvChild *src, - uint64_t src_offset, + int64_t src_offset, BdrvChild *dst, - uint64_t dst_offset, - uint64_t bytes, + int64_t dst_offset, + int64_t bytes, BdrvRequestFlags read_flags, BdrvRequestFlags write_flags) { @@ -2313,10 +2313,10 @@ static void iscsi_xcopy_data(struct iscsi_data *data, static int coroutine_fn iscsi_co_copy_range_to(BlockDriverState *bs, BdrvChild *src, - uint64_t src_offset, + int64_t src_offset, BdrvChild *dst, - uint64_t dst_offset, - uint64_t bytes, + int64_t dst_offset, + int64_t bytes, BdrvRequestFlags read_flags, BdrvRequestFlags write_flags) { diff --git a/block/qcow2.c b/block/qcow2.c index 0ee664894c..100eda03cb 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -4026,9 +4026,9 @@ static coroutine_fn int qcow2_co_pdiscard(BlockDriverState *bs, static int coroutine_fn qcow2_co_copy_range_from(BlockDriverState *bs, - BdrvChild *src, uint64_t src_offset, - BdrvChild *dst, uint64_t dst_offset, - uint64_t bytes, BdrvRequestFlags read_flags, + BdrvChild *src, int64_t src_offset, + BdrvChild *dst, int64_t dst_offset, + int64_t bytes, BdrvRequestFlags read_flags, BdrvRequestFlags write_flags) { BDRVQcow2State *s = bs->opaque; @@ -4109,9 +4109,9 @@ out: static int coroutine_fn qcow2_co_copy_range_to(BlockDriverState *bs, - BdrvChild *src, uint64_t src_offset, - BdrvChild *dst, uint64_t dst_offset, - uint64_t bytes, BdrvRequestFlags read_flags, + BdrvChild *src, int64_t src_offset, + BdrvChild *dst, int64_t dst_offset, + int64_t bytes, BdrvRequestFlags read_flags, BdrvRequestFlags write_flags) { BDRVQcow2State *s = bs->opaque; diff --git a/block/raw-format.c b/block/raw-format.c index d223298dfc..345137813e 100644 --- a/block/raw-format.c +++ b/block/raw-format.c @@ -532,16 +532,16 @@ static int raw_probe_geometry(BlockDriverState *bs, HDGeometry *geo) static int coroutine_fn raw_co_copy_range_from(BlockDriverState *bs, BdrvChild *src, - uint64_t src_offset, + int64_t src_offset, BdrvChild *dst, - uint64_t dst_offset, - uint64_t bytes, + int64_t dst_offset, + int64_t bytes, BdrvRequestFlags read_flags, BdrvRequestFlags write_flags) { int ret; - ret = raw_adjust_offset(bs, (int64_t *)&src_offset, bytes, false); + ret = raw_adjust_offset(bs, &src_offset, bytes, false); if (ret) { return ret; } @@ -551,16 +551,16 @@ static int coroutine_fn raw_co_copy_range_from(BlockDriverState *bs, static int coroutine_fn raw_co_copy_range_to(BlockDriverState *bs, BdrvChild *src, - uint64_t src_offset, + int64_t src_offset, BdrvChild *dst, - uint64_t dst_offset, - uint64_t bytes, + int64_t dst_offset, + int64_t bytes, BdrvRequestFlags read_flags, BdrvRequestFlags write_flags) { int ret; - ret = raw_adjust_offset(bs, (int64_t *)&dst_offset, bytes, true); + ret = raw_adjust_offset(bs, &dst_offset, bytes, true); if (ret) { return ret; } -- 2.29.2