From mboxrd@z Thu Jan 1 00:00:00 1970 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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 41B04C83F33 for ; Tue, 5 Sep 2023 10:02:59 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Rg1KF6tHGz3c1L for ; Tue, 5 Sep 2023 20:02:57 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.alibaba.com (client-ip=115.124.30.118; helo=out30-118.freemail.mail.aliyun.com; envelope-from=jefflexu@linux.alibaba.com; receiver=lists.ozlabs.org) Received: from out30-118.freemail.mail.aliyun.com (out30-118.freemail.mail.aliyun.com [115.124.30.118]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Rg1Jt3Cklz301V for ; Tue, 5 Sep 2023 20:02:37 +1000 (AEST) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R171e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045168;MF=jefflexu@linux.alibaba.com;NM=1;PH=DS;RN=2;SR=0;TI=SMTPD_---0VrPVOuS_1693908152; Received: from localhost(mailfrom:jefflexu@linux.alibaba.com fp:SMTPD_---0VrPVOuS_1693908152) by smtp.aliyun-inc.com; Tue, 05 Sep 2023 18:02:33 +0800 From: Jingbo Xu To: hsiangkao@linux.alibaba.com, linux-erofs@lists.ozlabs.org Subject: [PATCH v6 05/11] erofs-utils: lib: add erofs_insert_ihash() helper Date: Tue, 5 Sep 2023 18:02:21 +0800 Message-Id: <20230905100227.1072-6-jefflexu@linux.alibaba.com> X-Mailer: git-send-email 2.19.1.6.gb485710b In-Reply-To: <20230905100227.1072-1-jefflexu@linux.alibaba.com> References: <20230905100227.1072-1-jefflexu@linux.alibaba.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linux-erofs@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development of Linux EROFS file system List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-erofs-bounces+linux-erofs=archiver.kernel.org@lists.ozlabs.org Sender: "Linux-erofs" Add erofs_insert_ihash() helper inserting inode into inode hash table. Also add prototypes of erofs_iget() and erofs_iget_by_nid() in the header file. Signed-off-by: Jingbo Xu --- include/erofs/inode.h | 3 +++ lib/inode.c | 10 +++++++--- 2 files changed, 10 insertions(+), 3 deletions(-) diff --git a/include/erofs/inode.h b/include/erofs/inode.h index e8a5670..1c602a8 100644 --- a/include/erofs/inode.h +++ b/include/erofs/inode.h @@ -25,6 +25,9 @@ u32 erofs_new_encode_dev(dev_t dev); unsigned char erofs_mode_to_ftype(umode_t mode); unsigned char erofs_ftype_to_dtype(unsigned int filetype); void erofs_inode_manager_init(void); +void erofs_insert_ihash(struct erofs_inode *inode, dev_t dev, ino_t ino); +struct erofs_inode *erofs_iget(dev_t dev, ino_t ino); +struct erofs_inode *erofs_iget_by_nid(erofs_nid_t nid); unsigned int erofs_iput(struct erofs_inode *inode); erofs_nid_t erofs_lookupnid(struct erofs_inode *inode); struct erofs_dentry *erofs_d_alloc(struct erofs_inode *parent, diff --git a/lib/inode.c b/lib/inode.c index a3a643f..8fab964 100644 --- a/lib/inode.c +++ b/lib/inode.c @@ -75,6 +75,12 @@ void erofs_inode_manager_init(void) init_list_head(&inode_hashtable[i]); } +void erofs_insert_ihash(struct erofs_inode *inode, dev_t dev, ino_t ino) +{ + list_add(&inode->i_hash, + &inode_hashtable[(ino ^ dev) % NR_INODE_HASHTABLE]); +} + /* get the inode from the (source) inode # */ struct erofs_inode *erofs_iget(dev_t dev, ino_t ino) { @@ -976,9 +982,7 @@ static int erofs_fill_inode(struct erofs_inode *inode, struct stat *st, inode->inode_isize = sizeof(struct erofs_inode_compact); } - list_add(&inode->i_hash, - &inode_hashtable[(st->st_ino ^ st->st_dev) % - NR_INODE_HASHTABLE]); + erofs_insert_ihash(inode, st->st_dev, st->st_ino); return 0; } -- 2.19.1.6.gb485710b