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[2620:137:e000::1:20]) by mx.google.com with ESMTP id f7-20020a1709063f4700b0087139670f22si861021ejj.300.2023.01.23.18.41.46; Mon, 23 Jan 2023 18:42:09 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=kMfz4034; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232397AbjAXCj6 (ORCPT + 99 others); Mon, 23 Jan 2023 21:39:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54262 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232479AbjAXCj2 (ORCPT ); Mon, 23 Jan 2023 21:39:28 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CE4943645B; Mon, 23 Jan 2023 18:39:18 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 67D6DB80F99; Tue, 24 Jan 2023 02:39:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5B27FC43445; Tue, 24 Jan 2023 02:39:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1674527956; bh=mwpeKRv006PC18eABtcCK4GFwMNFS3Fk5mUgrdToDss=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kMfz40343k0/zebkCJjoV+sRSk8Vi1+yrsj+udY3whQfhSqXTn2/5X0fh1ACIamub z4k/teyg31KjOBA1x0UY4zQoh7gWft9EoJVjGwqL0D3EUBiorKFOKphXmr/MxJxrr8 72corNpJMDjCA2ZoA6OvwUmF1AAoWfJZjoXD7dIryntCaimZvM99oGJe1HC62mnt1Z akJj/iz3ek63WqXW/vnedcsLzb1610DkWicc8/YmXjhL6uuNsSNKevNdbi0hJ81NAq fomB1DOYSqbTzJ7zaNFLRQDHWKqy4ltVZMuBgrumww3fFfVxJH2i4s13Tdrhdui8Vd yFePQK0tpl8zw== From: Eric Van Hensbergen To: v9fs-developer@lists.sourceforge.net, asmadeus@codewreck.org, rminnich@gmail.com, lucho@ionkov.net Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux_oss@crudebyte.com, Eric Van Hensbergen Subject: [PATCH v3 08/11] Add new mount modes Date: Tue, 24 Jan 2023 02:38:31 +0000 Message-Id: <20230124023834.106339-9-ericvh@kernel.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20230124023834.106339-1-ericvh@kernel.org> References: <20221218232217.1713283-1-evanhensbergen@icloud.com> <20230124023834.106339-1-ericvh@kernel.org> MIME-Version: 1.0 X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1752596276439529198?= X-GMAIL-MSGID: =?utf-8?q?1755870007981709973?= Add some additional mount modes for cache management including specifying directio as a mount option and an option for ignore qid.version for determining whether or not a file is cacheable. Signed-off-by: Eric Van Hensbergen --- fs/9p/v9fs.c | 16 ++++++++++++++-- fs/9p/v9fs.h | 5 ++++- 2 files changed, 18 insertions(+), 3 deletions(-) diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c index f8e952c013f9..43d3806150a9 100644 --- a/fs/9p/v9fs.c +++ b/fs/9p/v9fs.c @@ -38,7 +38,7 @@ enum { /* String options */ Opt_uname, Opt_remotename, Opt_cache, Opt_cachetag, /* Options that take no arguments */ - Opt_nodevmap, Opt_noxattr, + Opt_nodevmap, Opt_noxattr, Opt_directio, Opt_ignoreqv, /* Access options */ Opt_access, Opt_posixacl, /* Lock timeout option */ @@ -56,6 +56,8 @@ static const match_table_t tokens = { {Opt_remotename, "aname=%s"}, {Opt_nodevmap, "nodevmap"}, {Opt_noxattr, "noxattr"}, + {Opt_directio, "directio"}, + {Opt_ignoreqv, "ignoreqv"}, {Opt_cache, "cache=%s"}, {Opt_cachetag, "cachetag=%s"}, {Opt_access, "access=%s"}, @@ -125,7 +127,7 @@ int v9fs_show_options(struct seq_file *m, struct dentry *root) if (v9ses->nodev) seq_puts(m, ",nodevmap"); if (v9ses->cache) - seq_printf(m, ",%s", v9fs_cache_modes[v9ses->cache]); + seq_printf(m, ",cache=%s", v9fs_cache_modes[v9ses->cache]); #ifdef CONFIG_9P_FSCACHE if (v9ses->cachetag && v9ses->cache == CACHE_FSCACHE) seq_printf(m, ",cachetag=%s", v9ses->cachetag); @@ -147,6 +149,10 @@ int v9fs_show_options(struct seq_file *m, struct dentry *root) break; } + if (v9ses->flags & V9FS_IGNORE_QV) + seq_puts(m, ",ignoreqv"); + if (v9ses->flags & V9FS_DIRECT_IO) + seq_puts(m, ",directio"); if (v9ses->flags & V9FS_POSIX_ACL) seq_puts(m, ",posixacl"); @@ -276,6 +282,12 @@ static int v9fs_parse_options(struct v9fs_session_info *v9ses, char *opts) case Opt_noxattr: v9ses->flags |= V9FS_NO_XATTR; break; + case Opt_directio: + v9ses->flags |= V9FS_DIRECT_IO; + break; + case Opt_ignoreqv: + v9ses->flags |= V9FS_IGNORE_QV; + break; case Opt_cachetag: #ifdef CONFIG_9P_FSCACHE kfree(v9ses->cachetag); diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h index a08cf6618c86..c80c318ff31c 100644 --- a/fs/9p/v9fs.h +++ b/fs/9p/v9fs.h @@ -37,7 +37,10 @@ enum p9_session_flags { V9FS_ACCESS_USER = 0x08, V9FS_ACCESS_CLIENT = 0x10, V9FS_POSIX_ACL = 0x20, - V9FS_NO_XATTR = 0x40 + V9FS_NO_XATTR = 0x40, + V9FS_IGNORE_QV = 0x80, + V9FS_DIRECT_IO = 0x100, + V9FS_SYNC = 0x200 }; /* possible values of ->cache */