Message ID | 20210727055646.118787-4-hch@lst.de (mailing list archive) |
---|---|
State | Not Applicable, archived |
Delegated to: | Mike Snitzer |
Headers | show
Return-Path: <SRS0=tlLk=MT=redhat.com=dm-devel-bounces@kernel.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49A45C4338F for <dm-devel@archiver.kernel.org>; Tue, 27 Jul 2021 06:08:14 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B9A1F610E9 for <dm-devel@archiver.kernel.org>; Tue, 27 Jul 2021 06:08:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B9A1F610E9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=tempfail smtp.mailfrom=redhat.com Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-16-GBfCl9uiPmqqWQkLvA3Wog-1; Tue, 27 Jul 2021 02:08:11 -0400 X-MC-Unique: GBfCl9uiPmqqWQkLvA3Wog-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id D11308799EC; Tue, 27 Jul 2021 06:08:06 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id AFF2E1ABD7; Tue, 27 Jul 2021 06:08:06 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 708E64BB7C; Tue, 27 Jul 2021 06:08:06 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 16R64CJX010064 for <dm-devel@listman.util.phx.redhat.com>; Tue, 27 Jul 2021 02:04:12 -0400 Received: by smtp.corp.redhat.com (Postfix) id 40B45C77FA; Tue, 27 Jul 2021 06:04:12 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast01.extmail.prod.ext.rdu2.redhat.com [10.11.55.17]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 3B67AC77ED for <dm-devel@redhat.com>; Tue, 27 Jul 2021 06:04:09 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-1.mimecast.com [205.139.110.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id B1A75857AAA for <dm-devel@redhat.com>; Tue, 27 Jul 2021 06:04:08 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-32-6u-BY-65NXuCfcd5tvPA0w-1; Tue, 27 Jul 2021 02:04:05 -0400 X-MC-Unique: 6u-BY-65NXuCfcd5tvPA0w-1 Received: from [2001:4bb8:184:87c5:b7fb:1299:a9e5:ff56] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1m8G9o-00EiaK-P7; Tue, 27 Jul 2021 06:01:59 +0000 From: Christoph Hellwig <hch@lst.de> To: Jens Axboe <axboe@kernel.dk>, Thomas Gleixner <tglx@linutronix.de> Date: Tue, 27 Jul 2021 07:56:34 +0200 Message-Id: <20210727055646.118787-4-hch@lst.de> In-Reply-To: <20210727055646.118787-1-hch@lst.de> References: <20210727055646.118787-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from <hch@infradead.org> by casper.infradead.org. See http://www.infradead.org/rpr.html X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-loop: dm-devel@redhat.com Cc: linux-arch@vger.kernel.org, linux-block@vger.kernel.org, Thomas Bogendoerfer <tsbogend@alpha.franken.de>, Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>, Mike Snitzer <snitzer@redhat.com>, Geoff Levand <geoff@infradead.org>, linuxppc-dev@lists.ozlabs.org, ceph-devel@vger.kernel.org, linux-mips@vger.kernel.org, Dongsheng Yang <dongsheng.yang@easystack.cn>, linux-kernel@vger.kernel.org, "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>, dm-devel@redhat.com, "Martin K . Petersen" <martin.petersen@oracle.com>, Andrew Morton <akpm@linux-foundation.org>, Ira Weiny <ira.weiny@intel.com>, Ilya Dryomov <idryomov@gmail.com> Subject: [dm-devel] [PATCH 03/15] bvec: add a bvec_kmap_local helper X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development <dm-devel.redhat.com> List-Unsubscribe: <https://listman.redhat.com/mailman/options/dm-devel>, <mailto:dm-devel-request@redhat.com?subject=unsubscribe> List-Archive: <https://listman.redhat.com/archives/dm-devel> List-Post: <mailto:dm-devel@redhat.com> List-Help: <mailto:dm-devel-request@redhat.com?subject=help> List-Subscribe: <https://listman.redhat.com/mailman/listinfo/dm-devel>, <mailto:dm-devel-request@redhat.com?subject=subscribe> Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit |
Series |
[01/15] MIPS: don't include <linux/genhd.h> in <asm/mach-rc32434/rb.h>
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diff --git a/include/linux/bvec.h b/include/linux/bvec.h index 883faf5f1523..f8710af18eef 100644 --- a/include/linux/bvec.h +++ b/include/linux/bvec.h @@ -7,6 +7,7 @@ #ifndef __LINUX_BVEC_H #define __LINUX_BVEC_H +#include <linux/highmem.h> #include <linux/bug.h> #include <linux/errno.h> #include <linux/limits.h> @@ -183,4 +184,16 @@ static inline void bvec_advance(const struct bio_vec *bvec, } } +/** + * bvec_kmap_local - map a bvec into the kernel virtual address space + * @bvec: bvec to map + * + * Must be called on single-page bvecs only. Call kunmap_local on the returned + * address to unmap. + */ +static inline void *bvec_kmap_local(struct bio_vec *bvec) +{ + return kmap_local_page(bvec->bv_page) + bvec->bv_offset; +} + #endif /* __LINUX_BVEC_H */