From patchwork Tue Mar 22 14:12:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 12788424 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F0D07C433F5 for ; Tue, 22 Mar 2022 14:13:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236710AbiCVOPT (ORCPT ); Tue, 22 Mar 2022 10:15:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52192 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236622AbiCVOPP (ORCPT ); Tue, 22 Mar 2022 10:15:15 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5D98227CD7; Tue, 22 Mar 2022 07:13:44 -0700 (PDT) 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 sin.source.kernel.org (Postfix) with ESMTPS id A8A1ECE1E18; Tue, 22 Mar 2022 14:13:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4D719C340EE; Tue, 22 Mar 2022 14:13:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1647958421; bh=NZ/cFM3RKR22E+wRauwQWjWPA2h7uYK3ZmTSzgreky8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iPhRvbW7Xp+uma2lWFoT5dgQR1nYEjLUTDxiRQATzaGLXJIzr9e5l0sbhHLlv4Sh6 MQfuo7rs+msigLBAzGBAHWpcL8zTEz1Dy7nE9vF6hNRbc7TqNA2kg4AEvYUC9tbE8E N+zDhnu7eGlFSF9YXDxHULj+wxrzhqQMAMZWZSm7uuAz1P17gMsG4ePoZUl3UJolKy neM/ThHuD/tWHRO97Bq0UqbhyrNt0WB4aaUTfiuG5oPdB7H+OT1Rk5S/6ZRURv+1+3 qVSUaO8k7Xo7L9IH9VZCnlEJjXDNCVsl6fyEWQjL8U0kGx81Z1OYsNEYwdMUW4uz+4 RXm0BMQXQGpSw== From: Jeff Layton To: idryomov@gmail.com, xiubli@redhat.com Cc: ceph-devel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-fscrypt@vger.kernel.org, linux-kernel@vger.kernel.org, lhenriques@suse.de Subject: [RFC PATCH v11 23/51] ceph: pass the request to parse_reply_info_readdir() Date: Tue, 22 Mar 2022 10:12:48 -0400 Message-Id: <20220322141316.41325-24-jlayton@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220322141316.41325-1-jlayton@kernel.org> References: <20220322141316.41325-1-jlayton@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fscrypt@vger.kernel.org From: Xiubo Li Instead of passing just the r_reply_info to the readdir reply parser, pass the request pointer directly instead. This will facilitate implementing readdir on fscrypted directories. Signed-off-by: Xiubo Li Signed-off-by: Jeff Layton --- fs/ceph/mds_client.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index a76166d93575..d11599bb85f6 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -406,9 +406,10 @@ static int parse_reply_info_trace(void **p, void *end, * parse readdir results */ static int parse_reply_info_readdir(void **p, void *end, - struct ceph_mds_reply_info_parsed *info, - u64 features) + struct ceph_mds_request *req, + u64 features) { + struct ceph_mds_reply_info_parsed *info = &req->r_reply_info; u32 num, i = 0; int err; @@ -650,15 +651,16 @@ static int parse_reply_info_getvxattr(void **p, void *end, * parse extra results */ static int parse_reply_info_extra(void **p, void *end, - struct ceph_mds_reply_info_parsed *info, + struct ceph_mds_request *req, u64 features, struct ceph_mds_session *s) { + struct ceph_mds_reply_info_parsed *info = &req->r_reply_info; u32 op = le32_to_cpu(info->head->op); if (op == CEPH_MDS_OP_GETFILELOCK) return parse_reply_info_filelock(p, end, info, features); else if (op == CEPH_MDS_OP_READDIR || op == CEPH_MDS_OP_LSSNAP) - return parse_reply_info_readdir(p, end, info, features); + return parse_reply_info_readdir(p, end, req, features); else if (op == CEPH_MDS_OP_CREATE) return parse_reply_info_create(p, end, info, features, s); else if (op == CEPH_MDS_OP_GETVXATTR) @@ -671,9 +673,9 @@ static int parse_reply_info_extra(void **p, void *end, * parse entire mds reply */ static int parse_reply_info(struct ceph_mds_session *s, struct ceph_msg *msg, - struct ceph_mds_reply_info_parsed *info, - u64 features) + struct ceph_mds_request *req, u64 features) { + struct ceph_mds_reply_info_parsed *info = &req->r_reply_info; void *p, *end; u32 len; int err; @@ -695,7 +697,7 @@ static int parse_reply_info(struct ceph_mds_session *s, struct ceph_msg *msg, ceph_decode_32_safe(&p, end, len, bad); if (len > 0) { ceph_decode_need(&p, end, len, bad); - err = parse_reply_info_extra(&p, p+len, info, features, s); + err = parse_reply_info_extra(&p, p+len, req, features, s); if (err < 0) goto out_bad; } @@ -3419,14 +3421,14 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg) } dout("handle_reply tid %lld result %d\n", tid, result); - rinfo = &req->r_reply_info; if (test_bit(CEPHFS_FEATURE_REPLY_ENCODING, &session->s_features)) - err = parse_reply_info(session, msg, rinfo, (u64)-1); + err = parse_reply_info(session, msg, req, (u64)-1); else - err = parse_reply_info(session, msg, rinfo, session->s_con.peer_features); + err = parse_reply_info(session, msg, req, session->s_con.peer_features); mutex_unlock(&mdsc->mutex); /* Must find target inode outside of mutexes to avoid deadlocks */ + rinfo = &req->r_reply_info; if ((err >= 0) && rinfo->head->is_target) { struct inode *in; struct ceph_vino tvino = {