From patchwork Tue Jan 24 12:06:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Kara X-Patchwork-Id: 13113880 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 1F3A7C38142 for ; Tue, 24 Jan 2023 12:06:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233373AbjAXMGi (ORCPT ); Tue, 24 Jan 2023 07:06:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51004 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233330AbjAXMGe (ORCPT ); Tue, 24 Jan 2023 07:06:34 -0500 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4483F42BFA for ; Tue, 24 Jan 2023 04:06:33 -0800 (PST) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 01FF51FDC3; Tue, 24 Jan 2023 12:06:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1674561992; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ara88Qb3ym1wwr9lS9t+NA7QgVpyzxdqZ5el5Ihlk9E=; b=Fr+ZyOiRsA57JCwwMd4PyEyS2i6YSg7HOmmFX1NYan7In8zt6I+aY8WGgA8RYsexTS2PWN MaQ9vqi+fK+dQ5pYte6STS115dr4Bqb5aEecDIjfvDa8gucrwjfqQ/8LW+uWnw91E/w7v5 tbPNvglk9w7n949GAvEIihAvEQSOzxA= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1674561992; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ara88Qb3ym1wwr9lS9t+NA7QgVpyzxdqZ5el5Ihlk9E=; b=Dj+uuTaQqSsMISGHQdA76uTWd+hE9y4gr6DBdrkEaeZYWvxtgT7NpdhwFJpKeouW9dJcMb DTT1x0usObwU02DQ== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id E76DD139FB; Tue, 24 Jan 2023 12:06:31 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id VFd5OMfJz2MRMQAAMHmgww (envelope-from ); Tue, 24 Jan 2023 12:06:31 +0000 Received: by quack3.suse.cz (Postfix, from userid 1000) id 524F3A06D4; Tue, 24 Jan 2023 13:06:31 +0100 (CET) From: Jan Kara To: Cc: Christoph Hellwig , Jan Kara Subject: [PATCH 09/10] udf: Move udf_adinicb_readpage() to inode.c Date: Tue, 24 Jan 2023 13:06:20 +0100 Message-Id: <20230124120628.24449-9-jack@suse.cz> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230124120221.31585-1-jack@suse.cz> References: <20230124120221.31585-1-jack@suse.cz> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2617; i=jack@suse.cz; h=from:subject; bh=Lptni6NBCCnC+8UssvGb4sOKDFLLkq3D2y+B0kOllHU=; b=owEBbQGS/pANAwAIAZydqgc/ZEDZAcsmYgBjz8m7SWTA/b8kiVk4ZO48Lm79PaLDJ/r1b+DpK+eV 0ZNHHK6JATMEAAEIAB0WIQSrWdEr1p4yirVVKBycnaoHP2RA2QUCY8/JuwAKCRCcnaoHP2RA2caSCA C0MRB0NUCkckXXd/9UZGhCEjLxaPBpab0WbtciDp4F0Lzf/Jlmi12qFeY9B5vrhrO1lVH51v8JrnXA CHZ1qV52X2Dcqi1pJzDPiWUll+ndbWU+fCIAwqF+1siP5DqKasZlfNU8Q1KapBydSpMDtpftJ8L58k yaJ0wRaVUYIPCwgeOY9hMYg8mY7UvW0WddLB+BLJEt1Ql9W77JctQzF47L4b0FYbeQFJHTZyH1jvKM gOON6yVLxORpeaNCgMWvMevACz/RnM0jddEIXF8dfhJFIqjAmIi/vzYq1jNTAy5fN4CofD3I/m5D2k 69biOXUinZS0ZtxJnSVCZ6fTdknLMb X-Developer-Key: i=jack@suse.cz; a=openpgp; fpr=93C6099A142276A28BBE35D815BC833443038D8C Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org udf_adinicb_readpage() is only called from aops functions, move it to the same file as its callers and also drop the stale comment - invalidate_lock is protecting us against races with truncate. Signed-off-by: Jan Kara Reviewed-by: Christoph Hellwig --- fs/udf/file.c | 19 ------------------- fs/udf/inode.c | 15 +++++++++++++++ fs/udf/udfdecl.h | 1 - 3 files changed, 15 insertions(+), 20 deletions(-) diff --git a/fs/udf/file.c b/fs/udf/file.c index 84e0b241940d..26592577b7da 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c @@ -38,25 +38,6 @@ #include "udf_i.h" #include "udf_sb.h" -void udf_adinicb_readpage(struct page *page) -{ - struct inode *inode = page->mapping->host; - char *kaddr; - struct udf_inode_info *iinfo = UDF_I(inode); - loff_t isize = i_size_read(inode); - - /* - * We have to be careful here as truncate can change i_size under us. - * So just sample it once and use the same value everywhere. - */ - kaddr = kmap_atomic(page); - memcpy(kaddr, iinfo->i_data + iinfo->i_lenEAttr, isize); - memset(kaddr + isize, 0, PAGE_SIZE - isize); - flush_dcache_page(page); - SetPageUptodate(page); - kunmap_atomic(kaddr); -} - static vm_fault_t udf_page_mkwrite(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; diff --git a/fs/udf/inode.c b/fs/udf/inode.c index af069a05919c..dcd3f1dac227 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -215,6 +215,21 @@ static int udf_writepages(struct address_space *mapping, return write_cache_pages(mapping, wbc, udf_adinicb_writepage, NULL); } +static void udf_adinicb_readpage(struct page *page) +{ + struct inode *inode = page->mapping->host; + char *kaddr; + struct udf_inode_info *iinfo = UDF_I(inode); + loff_t isize = i_size_read(inode); + + kaddr = kmap_atomic(page); + memcpy(kaddr, iinfo->i_data + iinfo->i_lenEAttr, isize); + memset(kaddr + isize, 0, PAGE_SIZE - isize); + flush_dcache_page(page); + SetPageUptodate(page); + kunmap_atomic(kaddr); +} + static int udf_read_folio(struct file *file, struct folio *folio) { struct udf_inode_info *iinfo = UDF_I(file_inode(file)); diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index 337daf97d5b4..88692512a466 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -137,7 +137,6 @@ static inline unsigned int udf_dir_entry_len(struct fileIdentDesc *cfi) /* file.c */ extern long udf_ioctl(struct file *, unsigned int, unsigned long); -void udf_adinicb_readpage(struct page *page); /* inode.c */ extern struct inode *__udf_iget(struct super_block *, struct kernel_lb_addr *,