From patchwork Thu Aug 10 10:07:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mikulas Patocka X-Patchwork-Id: 13349199 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 us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 3DA02C001DE for ; Thu, 10 Aug 2023 10:07:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1691662040; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=oXZaQ7v9PsvSPP9eoT0AfxDesRGn8M7RXAhfjrpkuUs=; b=GUZm/cwSoWkjQ3fSgu29N6vDzG1EMIyA31QgjWC7hKAAjOSqCCytGNNOQc9g1i1no7Upx2 NBIrmYBIf4YveG9nPLTMpyp7wKEOoBVU8m2Ekr4AAgKqtE10QqE4RvW7Y8u3pVjOXc4Zl9 Z93V8ROHyvFPZr/lpf1OaJUix5Jg6p0= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-94-dY5Ilrz3MVm_17CAKunAIg-1; Thu, 10 Aug 2023 06:07:16 -0400 X-MC-Unique: dY5Ilrz3MVm_17CAKunAIg-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E74BD101B42B; Thu, 10 Aug 2023 10:07:14 +0000 (UTC) Received: from mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com [10.30.29.100]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5424C401E9C; Thu, 10 Aug 2023 10:07:10 +0000 (UTC) Received: from mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (localhost [IPv6:::1]) by mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (Postfix) with ESMTP id 122BE1946589; Thu, 10 Aug 2023 10:07:10 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) by mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (Postfix) with ESMTP id 8D4721946588 for ; Thu, 10 Aug 2023 10:07:08 +0000 (UTC) Received: by smtp.corp.redhat.com (Postfix) id 587561121315; Thu, 10 Aug 2023 10:07:08 +0000 (UTC) Received: from file1-rdu.file-001.prod.rdu2.dc.redhat.com (unknown [10.11.5.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 465011121314; Thu, 10 Aug 2023 10:07:08 +0000 (UTC) Received: by file1-rdu.file-001.prod.rdu2.dc.redhat.com (Postfix, from userid 12668) id 979E530B9C07; Thu, 10 Aug 2023 10:07:07 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by file1-rdu.file-001.prod.rdu2.dc.redhat.com (Postfix) with ESMTP id 860CE3F7CF; Thu, 10 Aug 2023 12:07:07 +0200 (CEST) Date: Thu, 10 Aug 2023 12:07:07 +0200 (CEST) From: Mikulas Patocka To: Jens Axboe Message-ID: <2dacc73-854-e71c-1746-99b017401c9a@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.3 Subject: [dm-devel] [PATCH v3 0/4] brd discard patches X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-block@vger.kernel.org, Chaitanya Kulkarni , Christoph Hellwig , Li Nan , dm-devel@redhat.com, Zdenek Kabelac Errors-To: dm-devel-bounces@redhat.com Sender: "dm-devel" X-Scanned-By: MIMEDefang 3.1 on 10.11.54.10 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Hi Here I'm submitting the ramdisk discard patches for the next merge window. If you want to make some more changes, please let me now. Changes since version 2: There are no functional changes, I only moved the switch statement conversion to a separate patch, so that it's easier to review. Patch 1: introduce a switch statement in brd_submit_bio Patch 2: extend the rcu regions to cover read and write Patch 3: enable discard Patch 4: implement write zeroes Mikulas --- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel