From patchwork Tue Mar 24 20:11:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Hellstr=C3=B6m_=28Intel=29?= X-Patchwork-Id: 11456313 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0FA40913 for ; Tue, 24 Mar 2020 20:11:48 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id C911F205ED for ; Tue, 24 Mar 2020 20:11:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=shipmail.org header.i=@shipmail.org header.b="RVvi+5ZE" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C911F205ED Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=shipmail.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id ED4606B0003; Tue, 24 Mar 2020 16:11:46 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id E5C966B0007; Tue, 24 Mar 2020 16:11:46 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D24106B000C; Tue, 24 Mar 2020 16:11:46 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0070.hostedemail.com [216.40.44.70]) by kanga.kvack.org (Postfix) with ESMTP id B526F6B0003 for ; Tue, 24 Mar 2020 16:11:46 -0400 (EDT) Received: from smtpin20.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 55F3A80FF80B for ; Tue, 24 Mar 2020 20:11:46 +0000 (UTC) X-FDA: 76631351412.20.end76_66893cc60d21c X-Spam-Summary: 2,0,0,006872bd342fd6ce,d41d8cd98f00b204,thomas_os@shipmail.org,,RULES_HIT:41:152:355:379:541:800:960:973:988:989:1260:1261:1277:1311:1313:1314:1345:1359:1431:1437:1515:1516:1518:1534:1541:1593:1594:1676:1711:1730:1747:1777:1792:2393:2559:2562:3138:3139:3140:3141:3142:3352:3865:3867:3871:3872:5007:6261:6653:6742:7576:7903:10004:10400:11026:11658:11914:12043:12297:12517:12519:12555:12895:13069:13161:13229:13311:13357:13894:14181:14394:14659:14721:21080:21450:21451:21627:21990:30054:30064,0,RBL:79.136.2.40:@shipmail.org:.lbl8.mailshell.net-64.201.201.201 62.14.203.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:none,Custom_rules:0:0:0,LFtime:29,LUA_SUMMARY:none X-HE-Tag: end76_66893cc60d21c X-Filterd-Recvd-Size: 4419 Received: from pio-pvt-msa1.bahnhof.se (pio-pvt-msa1.bahnhof.se [79.136.2.40]) by imf37.hostedemail.com (Postfix) with ESMTP for ; Tue, 24 Mar 2020 20:11:44 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by pio-pvt-msa1.bahnhof.se (Postfix) with ESMTP id B4C1040735; Tue, 24 Mar 2020 21:11:42 +0100 (CET) Authentication-Results: pio-pvt-msa1.bahnhof.se; dkim=pass (1024-bit key; unprotected) header.d=shipmail.org header.i=@shipmail.org header.b="RVvi+5ZE"; dkim-atps=neutral X-Virus-Scanned: Debian amavisd-new at bahnhof.se X-Spam-Flag: NO X-Spam-Score: -2.099 X-Spam-Level: X-Spam-Status: No, score=-2.099 tagged_above=-999 required=6.31 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Received: from pio-pvt-msa1.bahnhof.se ([127.0.0.1]) by localhost (pio-pvt-msa1.bahnhof.se [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id eO960zhVeZGh; Tue, 24 Mar 2020 21:11:41 +0100 (CET) Received: from mail1.shipmail.org (h-205-35.A357.priv.bahnhof.se [155.4.205.35]) (Authenticated sender: mb878879) by pio-pvt-msa1.bahnhof.se (Postfix) with ESMTPA id 7D9FC4052C; Tue, 24 Mar 2020 21:11:38 +0100 (CET) Received: from localhost.localdomain.localdomain (h-205-35.A357.priv.bahnhof.se [155.4.205.35]) by mail1.shipmail.org (Postfix) with ESMTPSA id B46033602F7; Tue, 24 Mar 2020 21:11:35 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=shipmail.org; s=mail; t=1585080698; bh=iYRGvlrMx/ASdASJ84Pl19hk1Q5OTvbQxQY5Z288KuM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RVvi+5ZEwHoQCJgicJVVWv/JFpiZgFWj9mKUQ5N20FyV1XHSwezYqEX7od+5yRIID /VFHjzRPj5xSifZ8hirhT3GIVDpFBPGHIW2oElDZGcAoi48hc/djrohrsjPn8VyZFy yMHfHEcx3PJ82Ik+y05DSmRds9J3Gsaq9vtsV49s= From: =?utf-8?q?Thomas_Hellstr=C3=B6m_=28VMware=29?= To: linux-mm@kvack.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Cc: pv-drivers@vmware.com, linux-graphics-maintainer@vmware.com, "Thomas Hellstrom (VMware)" , Andrew Morton , Michal Hocko , "Matthew Wilcox (Oracle)" , "Kirill A. Shutemov" , Ralph Campbell , =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= , =?utf-8?q?Christian_?= =?utf-8?q?K=C3=B6nig?= , Dan Williams , Roland Scheidegger Subject: [PATCH v7 1/9] fs: Constify vma argument to vma_is_dax Date: Tue, 24 Mar 2020 21:11:15 +0100 Message-Id: <20200324201123.3118-2-thomas_os@shipmail.org> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200324201123.3118-1-thomas_os@shipmail.org> References: <20200324201123.3118-1-thomas_os@shipmail.org> MIME-Version: 1.0 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: "Thomas Hellstrom (VMware)" The function is used by upcoming vma_is_special_huge() with which we want to use a const vma argument. Since for vma_is_dax() the vma argument is only dereferenced for reading, constify it. Cc: Andrew Morton Cc: Michal Hocko Cc: "Matthew Wilcox (Oracle)" Cc: "Kirill A. Shutemov" Cc: Ralph Campbell Cc: "Jérôme Glisse" Cc: "Christian König" Cc: Dan Williams Signed-off-by: Thomas Hellstrom (VMware) Reviewed-by: Roland Scheidegger Acked-by: Christian König Acked-by: Matthew Wilcox (Oracle) Acked-by: Pankaj Gupta --- include/linux/fs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/fs.h b/include/linux/fs.h index 3cd4fe6b845e..2b38ce5b73ad 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -3391,7 +3391,7 @@ static inline bool io_is_direct(struct file *filp) return (filp->f_flags & O_DIRECT) || IS_DAX(filp->f_mapping->host); } -static inline bool vma_is_dax(struct vm_area_struct *vma) +static inline bool vma_is_dax(const struct vm_area_struct *vma) { return vma->vm_file && IS_DAX(vma->vm_file->f_mapping->host); }