From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BA219C25B08 for ; Wed, 17 Aug 2022 08:47:59 +0000 (UTC) Received: from localhost ([::1]:44552 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oOEiU-0004AT-Jg for qemu-devel@archiver.kernel.org; Wed, 17 Aug 2022 04:47:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54900) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oOEZL-0004q1-4j; Wed, 17 Aug 2022 04:38:31 -0400 Received: from relay.virtuozzo.com ([130.117.225.111]:35570) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oOEZJ-0006Ag-AN; Wed, 17 Aug 2022 04:38:30 -0400 Received: from [192.168.16.116] (helo=iris.sw.ru) by relay.virtuozzo.com with esmtp (Exim 4.95) (envelope-from ) id 1oOEX9-00GAqg-Jh; Wed, 17 Aug 2022 10:37:26 +0200 From: "Denis V. Lunev" To: qemu-block@nongnu.org, qemu-devel@nongnu.org Cc: "Denis V. Lunev" , Kevin Wolf , Hanna Reitz , Stefan Hajnoczi , Fam Zheng , Ronnie Sahlberg , Paolo Bonzini , Peter Lieven , Vladimir Sementsov-Ogievskiy Subject: [PATCH 1/2] block: use bdrv_is_sg() helper instead of raw bs->sg reading Date: Wed, 17 Aug 2022 10:37:35 +0200 Message-Id: <20220817083736.40981-2-den@openvz.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220817083736.40981-1-den@openvz.org> References: <20220817083736.40981-1-den@openvz.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=130.117.225.111; envelope-from=den@openvz.org; helo=relay.virtuozzo.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 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" I believe that if the helper exists, it must be used always for reading of the value. It breaks expectations in the other case. Signed-off-by: Denis V. Lunev CC: Kevin Wolf CC: Hanna Reitz CC: Stefan Hajnoczi CC: Fam Zheng CC: Ronnie Sahlberg CC: Paolo Bonzini CC: Peter Lieven CC: Vladimir Sementsov-Ogievskiy --- block/file-posix.c | 2 +- block/iscsi.c | 2 +- block/raw-format.c | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/block/file-posix.c b/block/file-posix.c index 48cd096624..256de1f456 100644 --- a/block/file-posix.c +++ b/block/file-posix.c @@ -1295,7 +1295,7 @@ static void raw_refresh_limits(BlockDriverState *bs, Error **errp) } #endif - if (bs->sg || S_ISBLK(st.st_mode)) { + if (bdrv_is_sg(bs) || S_ISBLK(st.st_mode)) { int ret = hdev_get_max_hw_transfer(s->fd, &st); if (ret > 0 && ret <= BDRV_REQUEST_MAX_BYTES) { diff --git a/block/iscsi.c b/block/iscsi.c index d707d0b354..612de127e5 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -2065,7 +2065,7 @@ static void iscsi_refresh_limits(BlockDriverState *bs, Error **errp) uint64_t max_xfer_len = iscsilun->use_16_for_rw ? 0xffffffff : 0xffff; unsigned int block_size = MAX(BDRV_SECTOR_SIZE, iscsilun->block_size); - assert(iscsilun->block_size >= BDRV_SECTOR_SIZE || bs->sg); + assert(iscsilun->block_size >= BDRV_SECTOR_SIZE || bdrv_is_sg(bs)); bs->bl.request_alignment = block_size; diff --git a/block/raw-format.c b/block/raw-format.c index 69fd650eaf..c7278e348e 100644 --- a/block/raw-format.c +++ b/block/raw-format.c @@ -463,7 +463,7 @@ static int raw_open(BlockDriverState *bs, QDict *options, int flags, return -EINVAL; } - bs->sg = bs->file->bs->sg; + bs->sg = bdrv_is_sg(bs->file->bs); bs->supported_write_flags = BDRV_REQ_WRITE_UNCHANGED | (BDRV_REQ_FUA & bs->file->bs->supported_write_flags); bs->supported_zero_flags = BDRV_REQ_WRITE_UNCHANGED | @@ -489,7 +489,7 @@ static int raw_open(BlockDriverState *bs, QDict *options, int flags, return ret; } - if (bs->sg && (s->offset || s->has_size)) { + if (bdrv_is_sg(bs) && (s->offset || s->has_size)) { error_setg(errp, "Cannot use offset/size with SCSI generic devices"); return -EINVAL; } -- 2.32.0