From patchwork Fri Oct 20 21:56:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrey Drobyshev X-Patchwork-Id: 13431233 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 B3A65C00A8F for ; Fri, 20 Oct 2023 21:57:41 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qtxTy-0003rO-1i; Fri, 20 Oct 2023 17:56:38 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qtxTu-0003pO-AW; Fri, 20 Oct 2023 17:56:35 -0400 Received: from relay.virtuozzo.com ([130.117.225.111]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qtxTq-0008G5-Mz; Fri, 20 Oct 2023 17:56:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=virtuozzo.com; s=relay; h=MIME-Version:Message-Id:Date:Subject:From: Content-Type; bh=iHfVvyVjq4g5YNZ0DhXc240zSGDlc6cdMexUlDF6B1U=; b=inFcDJSPdY6O yEuiW+4CnlCEsWiwFYN31xijQPeJ9saVyjqYdoIPW1F940fSNmRGoDBt8bb9CANQK6dh0x7N685KY fwc36Q5AId6jcjqiMh5irTzH9GebcUutkjNC3XhXjKm9QvPeGZQ3I/Fadf6Ik80Korslllhzte0jG pSDC0+iJjFx4lOQqVuqhH0hww1/N4xLoTD0F8yT1mgiUKCo61uK6aC3JE2yInANHVvKOgThCUgw2+ P4EFoio/P5riIunsvANW3Ut8n6aTOwz59cCUqVliro28I760cQFnWKlPL6gT+7SX9zMHmwWaNJ5nX vVWPbQl7zcfowYpBaI1tgg==; Received: from [130.117.225.1] (helo=dev005.ch-qa.vzint.dev) by relay.virtuozzo.com with esmtp (Exim 4.96) (envelope-from ) id 1qtxTT-00A9pF-1k; Fri, 20 Oct 2023 23:56:20 +0200 From: Andrey Drobyshev To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, hreitz@redhat.com, kwolf@redhat.com, eblake@redhat.com, berto@igalia.com, andrey.drobyshev@virtuozzo.com, den@virtuozzo.com Subject: [PATCH 1/7] qcow2: make function update_refcount_discard() global Date: Sat, 21 Oct 2023 00:56:16 +0300 Message-Id: <20231020215622.789260-2-andrey.drobyshev@virtuozzo.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20231020215622.789260-1-andrey.drobyshev@virtuozzo.com> References: <20231020215622.789260-1-andrey.drobyshev@virtuozzo.com> MIME-Version: 1.0 Received-SPF: pass client-ip=130.117.225.111; envelope-from=andrey.drobyshev@virtuozzo.com; helo=relay.virtuozzo.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, SPF_HELO_NONE=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: 2.1.29 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org We are going to need it for discarding separate subclusters. The function itself doesn't do anything with the refcount tables, it simply adds a discard request to the queue, so rename it to qcow2_queue_discard(). Signed-off-by: Andrey Drobyshev Reviewed-by: Hanna Czenczek --- block/qcow2-refcount.c | 8 ++++---- block/qcow2.h | 2 ++ 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c index 0266542cee..2026f5fa21 100644 --- a/block/qcow2-refcount.c +++ b/block/qcow2-refcount.c @@ -754,8 +754,8 @@ void qcow2_process_discards(BlockDriverState *bs, int ret) } } -static void update_refcount_discard(BlockDriverState *bs, - uint64_t offset, uint64_t length) +void qcow2_queue_discard(BlockDriverState *bs, uint64_t offset, + uint64_t length) { BDRVQcow2State *s = bs->opaque; Qcow2DiscardRegion *d, *p, *next; @@ -902,7 +902,7 @@ update_refcount(BlockDriverState *bs, int64_t offset, int64_t length, } if (s->discard_passthrough[type]) { - update_refcount_discard(bs, cluster_offset, s->cluster_size); + qcow2_queue_discard(bs, cluster_offset, s->cluster_size); } } } @@ -3619,7 +3619,7 @@ qcow2_discard_refcount_block(BlockDriverState *bs, uint64_t discard_block_offs) /* discard refblock from the cache if refblock is cached */ qcow2_cache_discard(s->refcount_block_cache, refblock); } - update_refcount_discard(bs, discard_block_offs, s->cluster_size); + qcow2_queue_discard(bs, discard_block_offs, s->cluster_size); return 0; } diff --git a/block/qcow2.h b/block/qcow2.h index 29958c512b..75d6a1b61b 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -891,6 +891,8 @@ int coroutine_fn qcow2_check_refcounts(BlockDriverState *bs, BdrvCheckResult *re BdrvCheckMode fix); void qcow2_process_discards(BlockDriverState *bs, int ret); +void qcow2_queue_discard(BlockDriverState *bs, uint64_t offset, + uint64_t length); int qcow2_check_metadata_overlap(BlockDriverState *bs, int ign, int64_t offset, int64_t size);