From patchwork Sat May 23 01:50:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jens Axboe X-Patchwork-Id: 11566489 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 1D7CD90 for ; Sat, 23 May 2020 01:51:11 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D584B2072C for ; Sat, 23 May 2020 01:51:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="HnYcrZsd" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D584B2072C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id B59958000D; Fri, 22 May 2020 21:51:05 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id AB81480007; Fri, 22 May 2020 21:51:05 -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 97D1A8000D; Fri, 22 May 2020 21:51:05 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0239.hostedemail.com [216.40.44.239]) by kanga.kvack.org (Postfix) with ESMTP id 7DA7F80007 for ; Fri, 22 May 2020 21:51:05 -0400 (EDT) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 47883181AEF1F for ; Sat, 23 May 2020 01:51:05 +0000 (UTC) X-FDA: 76846305690.30.slave17_60c5547c17721 X-Spam-Summary: 2,0,0,cc35fa7e2bf6ec47,d41d8cd98f00b204,axboe@kernel.dk,,RULES_HIT:41:355:379:541:800:960:973:988:989:1260:1311:1314:1345:1359:1431:1437:1515:1534:1540:1711:1714:1730:1747:1777:1792:2393:2559:2562:3138:3139:3140:3141:3142:3351:3622:3865:3866:3867:3868:3874:4321:5007:6261:6653:10004:11026:11473:11658:11914:12296:12297:12438:12517:12519:12555:12895:12986:13069:13311:13357:13894:14096:14181:14384:14394:14721:21080:21444:21450:21451:21627:30054:30070,0,RBL:209.85.215.193:@kernel.dk:.lbl8.mailshell.net-62.2.0.100 66.100.201.201,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:22,LUA_SUMMARY:none X-HE-Tag: slave17_60c5547c17721 X-Filterd-Recvd-Size: 3719 Received: from mail-pg1-f193.google.com (mail-pg1-f193.google.com [209.85.215.193]) by imf19.hostedemail.com (Postfix) with ESMTP for ; Sat, 23 May 2020 01:51:04 +0000 (UTC) Received: by mail-pg1-f193.google.com with SMTP id t11so5832573pgg.2 for ; Fri, 22 May 2020 18:51:04 -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 :mime-version:content-transfer-encoding; bh=+VWs0Nj9WGghWnCOq/fSx5SIRlxQxiE9MXDVdkqYQzM=; b=HnYcrZsdOxNRPX01BAnp52Y7QAzXP3CsE9SKw6fM2ImM1eIgaLTppeiQWVnE4+11m3 OejnkqB4kn5KbmRxULadm7opO6Kb+xsQiehV88PQ/0Zt5ygcKMubjp3qUbnsmu8xw1dO tUNho/mPqi5E13I6F+oLG00gGtZLIc3imnV22yFOYC9TXgLmfk5T2dygoCfZ7JOJGVAv KlhOHI1SnxOsFUv768fRTyN/geFG4DgbMjHnx9M9CqPJYXXVONngEu0cBOr13pfQx7vS rJQvZvesC+TDpqUL8Xn8iJylJnj4S66DggYzHPxNJvyUc4XmLS+1qrQd1F9klkosbR5/ JpMQ== 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:mime-version:content-transfer-encoding; bh=+VWs0Nj9WGghWnCOq/fSx5SIRlxQxiE9MXDVdkqYQzM=; b=oGoIRtBHJiTNhjUctWy3GwmySp/AKNxxsBP9ST6hWp80DCLlZvIQafC2ESOz6wthyz EBFbAqbdNud6vqiKFiOVy0csEvQ7+aJEHDo+t8Yk26lI6IWsiEb7RgtlAuhv8CCrP4KM yo+LiMbfeWEb6uS5Q8/SVRbVo4YIh8ymVjBQVIwJGEmT7tzHOC2cv3eH1hq2djzhabER j6FqmYxjvO9Yl0sN9dHTOmU1SOJoJe9UP6yGnn85i/Ifwiz3rfOGepEI5AAUVVgODYn9 LPAkw86FRz4B2nv/uDIk1Ar4LqDE6lCT0TB81bUm9TBPgEWsjWoKTam5RgDoCEeHaVFW EYNg== X-Gm-Message-State: AOAM531No3dVdHGPNB4OFylGJAENuX8g9sr8Pf8Mx1nY7Bp2Pg1msulY kKkSLbdcnIxjQW1Oo4ZCTGDOuw== X-Google-Smtp-Source: ABdhPJwDt7vAik+XV1ClU0sHBzKsLdX3gET9tONikOf+AYZa2mXQmQJNwaXlM2gsfrr+iZBKtp8bmw== X-Received: by 2002:aa7:855a:: with SMTP id y26mr6530839pfn.281.1590198663998; Fri, 22 May 2020 18:51:03 -0700 (PDT) Received: from x1.lan ([2605:e000:100e:8c61:e0db:da55:b0a4:601]) by smtp.gmail.com with ESMTPSA id a71sm8255477pje.0.2020.05.22.18.51.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2020 18:51:03 -0700 (PDT) From: Jens Axboe To: io-uring@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Jens Axboe Subject: [PATCH 05/11] fs: add FMODE_BUF_RASYNC Date: Fri, 22 May 2020 19:50:43 -0600 Message-Id: <20200523015049.14808-6-axboe@kernel.dk> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200523015049.14808-1-axboe@kernel.dk> References: <20200523015049.14808-1-axboe@kernel.dk> 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: If set, this indicates that the file system supports IOCB_WAITQ for buffered reads. Signed-off-by: Jens Axboe --- include/linux/fs.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/fs.h b/include/linux/fs.h index 82b989695ab9..0ef5f5973b1c 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -175,6 +175,9 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset, /* File does not contribute to nr_files count */ #define FMODE_NOACCOUNT ((__force fmode_t)0x20000000) +/* File supports async buffered reads */ +#define FMODE_BUF_RASYNC ((__force fmode_t)0x40000000) + /* * Flag for rw_copy_check_uvector and compat_rw_copy_check_uvector * that indicates that they should check the contents of the iovec are