From patchwork Tue Jun 13 17:15:14 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jens Axboe X-Patchwork-Id: 9784389 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EFC5660212 for ; Tue, 13 Jun 2017 17:15:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D59C5274D1 for ; Tue, 13 Jun 2017 17:15:35 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CAA452853F; Tue, 13 Jun 2017 17:15:35 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7AB8F274D1 for ; Tue, 13 Jun 2017 17:15:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753164AbdFMRPc (ORCPT ); Tue, 13 Jun 2017 13:15:32 -0400 Received: from mail-io0-f174.google.com ([209.85.223.174]:33899 "EHLO mail-io0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753189AbdFMRP3 (ORCPT ); Tue, 13 Jun 2017 13:15:29 -0400 Received: by mail-io0-f174.google.com with SMTP id i7so77605657ioe.1 for ; Tue, 13 Jun 2017 10:15:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=+gd6Jlaol0K2Ygxm0z8AgL0m76/0Fufrn2R/W3nleL4=; b=MHPObMXmuUAAMgcT3wpp2HIOHEA2RntJxGRxM7OhgDCVYOu2CPx570C7J//NekEpra C2FCdLImRTDYz4tRjqskGbmWwiVMay90v03VswQlYWOccXzFKrVVRLQDMr6mwzfaXvY3 L4/9kknE9glyj6kwbkoV1VrvTE3iurwLZsxEzQirPtbpb9gy1IVY6OnfLrkT1l6iG7C4 H1IVvImNHnQtE9DGRr85ZPiXx7VieUKrnWG07njzEoZfeNHbM/MhAzEsGIRjnfPL/YaX h8lfm+ssKYY3EOYK7sm9Jxgr6TqzCGvUR8xDLPtwNTo3MCbaD4mwTh80ntYevpYcC/mI b8aw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=+gd6Jlaol0K2Ygxm0z8AgL0m76/0Fufrn2R/W3nleL4=; b=lDmbpYRJZ/1ha9FhzhSlplGXPAP6hBUQ+dAX9DXHQNV6rOFHUlIE+VZrF/c+JdOi5c qKA+FkQWxE0uLpX6fFxTL5lRqMMRbG4t9D1XqXGGmy/cJin4LFqzcEbFWeiqf8nbOPI+ ZmHHi2bf0EmZhkCtzMVSDwLQdiwA7vG5GS273JeOBf8cEtwfcpBjzjKjnm4xbz6a+u0U cZ9eWyKqOynF5z6xsXL5HI0po84zWn3drIqV3pneeX38muJu2ET29vaBUglRD/tOSkj9 ME5tVRUMH+kJZYY80MrouuI0YL8OFC6WVSYeeoKCqlB2wi8JIvj2GCJpB04Fcik2Spx2 myWw== X-Gm-Message-State: AKS2vOwdvGsuRjIIPjID/0bzvrgu5cV6pSH+lk3QWmMvpzEcrkB+eJQF +f02F2+KciIhCsmpwUxIUQ== X-Received: by 10.107.178.211 with SMTP id b202mr896954iof.101.1497374129033; Tue, 13 Jun 2017 10:15:29 -0700 (PDT) Received: from localhost.localdomain ([216.160.245.98]) by smtp.gmail.com with ESMTPSA id y188sm6217526ity.9.2017.06.13.10.15.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 13 Jun 2017 10:15:28 -0700 (PDT) From: Jens Axboe To: linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org Cc: Jens Axboe Subject: [PATCH 02/11] block: add definition for support data write life times Date: Tue, 13 Jun 2017 11:15:14 -0600 Message-Id: <1497374123-15286-3-git-send-email-axboe@kernel.dk> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1497374123-15286-1-git-send-email-axboe@kernel.dk> References: <1497374123-15286-1-git-send-email-axboe@kernel.dk> Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Jens Axboe --- include/linux/blk_types.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 1940876a7fa7..16c4e657807f 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -314,6 +314,19 @@ struct blk_rq_stat { u64 batch; }; +/* + * Data life time definitions for writes. These are relative within a + * given device, no absolute meaning is attached to them. + */ +enum { + WRITE_LIFE_UNKNOWN = 0, + WRITE_LIFE_SHORT, + WRITE_LIFE_MEDIUM, + WRITE_LIFE_LONG, + WRITE_LIFE_EXTREME, + WRITE_LIFE_NR, +}; + static inline void bio_set_streamid(struct bio *bio, unsigned int stream) { bio->bi_stream = stream;