From patchwork Mon May 20 14:48:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mikulas Patocka X-Patchwork-Id: 13668368 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.subspace.kernel.org (Postfix) with ESMTPS id 1F39453E07 for ; Mon, 20 May 2024 14:48:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716216518; cv=none; b=q2Qfn/CZoNkUD1vou5iJAeVDQdtaTHxqG31FFrPx+zixEDMjYLL34worSEWew6yfqeiQG9c+/FcrfqnV648WZs4QLinTmmVVx4fyuj2GZV+9dwrPtYnnGQkHc1TgXZ/HddmUjDA8Rywokk5+/k4if0AoecE2Oki7s7gKxmD5bJ4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716216518; c=relaxed/simple; bh=9sQ+qETetiPcP7US9VOXWCDDXxvT1L6uozVMA1LD5Bk=; h=Date:From:To:cc:Subject:Message-ID:MIME-Version:Content-Type; b=XQ/ydwr32GPjqrS41vooVsrn5cRnu5/n9YPjOh6skBUSsSJXCj7Qh4vSSpFNBKTqUu+5rqrbW+Xd9/nRZ48xy43j/erYZ2AQGdf9d1/HZfNVZ0BqWbsl9bUBPsfFDz1jKiaWltQjqmGtTmcywOkBFDLuuxXzcG3NwhGoVxTpA2g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=R2hAVPvI; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="R2hAVPvI" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1716216516; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type; bh=Hhzl3NIcGBCf4wf9nxhH+bjvFQ9izgsrYOmoqIU5esg=; b=R2hAVPvI8+ZtYz38ZrOHhhgmmooD6s3ADEAh7mHZx9c2r6RDDKaY7n+ap76iMTNjhGDAVA pltv/CdNwR+bQCRfRxKPNhVx2ECdkGrKd1Zw56gup45Zw/mzK7iw5pG1HHfhW7hHXuxkGo msRoj822wtJK3on8PFzw8T2Xve1PAlc= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-96-7G0MaQzIM52-R3SaXbfRxg-1; Mon, 20 May 2024 10:48:32 -0400 X-MC-Unique: 7G0MaQzIM52-R3SaXbfRxg-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id ABC358058D7; Mon, 20 May 2024 14:48:31 +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 99B491050177; Mon, 20 May 2024 14:48:31 +0000 (UTC) Received: by file1-rdu.file-001.prod.rdu2.dc.redhat.com (Postfix, from userid 12668) id 8667430C1C33; Mon, 20 May 2024 14:48:31 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by file1-rdu.file-001.prod.rdu2.dc.redhat.com (Postfix) with ESMTP id 836733FB52; Mon, 20 May 2024 16:48:31 +0200 (CEST) Date: Mon, 20 May 2024 16:48:31 +0200 (CEST) From: Mikulas Patocka To: Eric Wheeler , Mike Snitzer cc: Milan Broz , dm-devel@lists.linux.dev, linux-integrity@vger.kernel.org Subject: [PATCH] dm-integrity: set discard_granularity to logical block size Message-ID: Precedence: bulk X-Mailing-List: linux-integrity@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.3 dm-integrity could set discard_granularity lower than the logical block size. This could result in failures when sending discard requests to dm-integrity. This patch fixes discard_granularity. Signed-off-by: Mikulas Patocka Reported-by: Eric Wheeler Cc: stable@vger.kernel.org --- drivers/md/dm-integrity.c | 1 + 1 file changed, 1 insertion(+) Index: linux-2.6/drivers/md/dm-integrity.c =================================================================== --- linux-2.6.orig/drivers/md/dm-integrity.c 2024-04-16 21:31:36.000000000 +0200 +++ linux-2.6/drivers/md/dm-integrity.c 2024-05-20 16:27:50.000000000 +0200 @@ -3492,6 +3492,7 @@ static void dm_integrity_io_hints(struct limits->physical_block_size = ic->sectors_per_block << SECTOR_SHIFT; blk_limits_io_min(limits, ic->sectors_per_block << SECTOR_SHIFT); limits->dma_alignment = limits->logical_block_size - 1; + limits->discard_granularity = ic->sectors_per_block << SECTOR_SHIFT; } limits->max_integrity_segments = USHRT_MAX; }