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Mon, 26 Jun 2023 07:42:02 +0200 (CEST) From: Bean Huo To: viro@zeniv.linux.org.uk, brauner@kernel.org, akpm@linux-foundation.org, jack@suse.cz, jack@suse.com, tytso@mit.edu, adilger.kernel@dilger.ca, mark@fasheh.com, jlbec@evilplan.org, joseph.qi@linux.alibaba.com, willy@infradead.org, hch@infradead.org Cc: linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, ocfs2-devel@oss.oracle.com, beanhuo@micron.com, Bean Huo Subject: [PATCH v3 1/2] fs/buffer: clean up block_commit_write Date: Mon, 26 Jun 2023 07:41:52 +0200 Message-Id: <20230626054153.839672-2-beanhuo@iokpp.de> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230626054153.839672-1-beanhuo@iokpp.de> References: <20230626054153.839672-1-beanhuo@iokpp.de> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_PASS,SPF_NONE,T_SCC_BODY_TEXT_LINE 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?1769743701918177098?= X-GMAIL-MSGID: =?utf-8?q?1769743701918177098?= From: Bean Huo From: Bean Huo Originally inode is used to get blksize, after commit 45bce8f3e343 ("fs/buffer.c: make block-size be per-page and protected by the page lock"), __block_commit_write no longer uses this parameter inode. Signed-off-by: Bean Huo --- fs/buffer.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/fs/buffer.c b/fs/buffer.c index bd091329026c..50821dfb02f7 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -2180,8 +2180,7 @@ int __block_write_begin(struct page *page, loff_t pos, unsigned len, } EXPORT_SYMBOL(__block_write_begin); -static int __block_commit_write(struct inode *inode, struct folio *folio, - size_t from, size_t to) +static int __block_commit_write(struct folio *folio, size_t from, size_t to) { size_t block_start, block_end; bool partial = false; @@ -2277,7 +2276,7 @@ int block_write_end(struct file *file, struct address_space *mapping, flush_dcache_folio(folio); /* This could be a short (even 0-length) commit */ - __block_commit_write(inode, folio, start, start + copied); + __block_commit_write(folio, start, start + copied); return copied; } @@ -2601,8 +2600,7 @@ EXPORT_SYMBOL(cont_write_begin); int block_commit_write(struct page *page, unsigned from, unsigned to) { struct folio *folio = page_folio(page); - struct inode *inode = folio->mapping->host; - __block_commit_write(inode, folio, from, to); + __block_commit_write(folio, from, to); return 0; } EXPORT_SYMBOL(block_commit_write); @@ -2650,7 +2648,7 @@ int block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf, ret = __block_write_begin_int(folio, 0, end, get_block, NULL); if (!ret) - ret = __block_commit_write(inode, folio, 0, end); + ret = __block_commit_write(folio, 0, end); if (unlikely(ret < 0)) goto out_unlock; From patchwork Mon Jun 26 05:41:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bean Huo X-Patchwork-Id: 112746 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:994d:0:b0:3d9:f83d:47d9 with SMTP id k13csp7266933vqr; Sun, 25 Jun 2023 22:56:09 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ7s58JBCVLopUj0mjKH4irWyYUgMeHGC1nJxXV2+KzuimNUk7kiDoovLENwfVuzdcjWHfBE X-Received: by 2002:a05:620a:4628:b0:764:c1fb:b20c with SMTP id br40-20020a05620a462800b00764c1fbb20cmr15368901qkb.37.1687758969162; Sun, 25 Jun 2023 22:56:09 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1687758969; cv=pass; d=google.com; s=arc-20160816; b=GUZXuhAM/RCbQiwnVaIoBCwliJDNDLfO9Qy47mkBLnDo9X64FDM/9YWjrxJF4NwcHj T9Njyw0sAZxoaq9TXKDi1a7fNm8aFPz/yWjqsB5bZmoV+r5DkqDC87vr3R2TzII8o/D4 FshmkuGTTPRS9azexJUuGJOG72vub/8XeXdLpqcNV1H4MVvJ+FLd7Yq6z3VB2zNBxG8x sWUZejwW3kgfZ5Nt15HP9RDMMKJNNk083PXq4sRBsITUxNGMFhxfypTgowlsqpD/CWr6 hvMCrmz5YLBuKI65PfWh/rMmyqluTxVlgcV3N4PevsYNCE+hk+oVe8ykPh6S+u+QXTZn EGBA== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature:dkim-signature; bh=A/OYsWzLIZKxnT1gYGuMS7er5Q0yQLzWN1fJj1HH19U=; fh=HIK6dmLG/xd56dRR1vuvZLBhfDvZZo+5YZN9k9GUVcg=; b=ifAwFsl/7afI2YODXxyTeoGODL5JPJKY1mnLMBoja2u8wVA75vGwdCY/+qHslwRCtR Y1pEpdqMkp6i0ZBrEfIO0frVdgprXfX/QGKmEWA2jR6CmiQJ2O35tbbvh9gC+FoM8O37 C4XNk0+TyKNJAicHMvXfPsMTkyhwz/hxPVLny/9QnAkmDqQFOCG+DwXYhxOlLBST78mM lFqjZyI5HhQ6DqbF50LsSpmBX1LM/nrvvuwZ+liMJwMw2zHiqiZA1e4zdOErvHkkDnfx SzqUa+3yh5FxNwbnyTwGHOOTqxewnHwZ0vnaVU8EqVxPwrx0yY+AdwqPl0r1LESIBJKv 9Zww== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@iokpp.de header.s=strato-dkim-0002 header.b=NfcZcgTI; dkim=neutral (no key) header.i=@iokpp.de; arc=pass (i=1); 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 Received: from out1.vger.email (out1.vger.email. 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Signed-off-by: Bean Huo Reviewed-by: Jan Kara Acked-by: Theodore Ts'o --- fs/buffer.c | 14 ++++++-------- fs/ext4/move_extent.c | 7 ++----- fs/ocfs2/file.c | 7 +------ fs/udf/file.c | 6 +++--- include/linux/buffer_head.h | 2 +- 5 files changed, 13 insertions(+), 23 deletions(-) diff --git a/fs/buffer.c b/fs/buffer.c index 50821dfb02f7..1568d0c9942d 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -2180,7 +2180,7 @@ int __block_write_begin(struct page *page, loff_t pos, unsigned len, } EXPORT_SYMBOL(__block_write_begin); -static int __block_commit_write(struct folio *folio, size_t from, size_t to) +static void __block_commit_write(struct folio *folio, size_t from, size_t to) { size_t block_start, block_end; bool partial = false; @@ -2215,7 +2215,6 @@ static int __block_commit_write(struct folio *folio, size_t from, size_t to) */ if (!partial) folio_mark_uptodate(folio); - return 0; } /* @@ -2597,11 +2596,10 @@ int cont_write_begin(struct file *file, struct address_space *mapping, } EXPORT_SYMBOL(cont_write_begin); -int block_commit_write(struct page *page, unsigned from, unsigned to) +void block_commit_write(struct page *page, unsigned from, unsigned to) { struct folio *folio = page_folio(page); __block_commit_write(folio, from, to); - return 0; } EXPORT_SYMBOL(block_commit_write); @@ -2647,11 +2645,11 @@ int block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf, end = size - folio_pos(folio); ret = __block_write_begin_int(folio, 0, end, get_block, NULL); - if (!ret) - ret = __block_commit_write(folio, 0, end); + if (unlikely(ret)) + goto out_unlock; + + __block_commit_write(folio, 0, end); - if (unlikely(ret < 0)) - goto out_unlock; folio_mark_dirty(folio); folio_wait_stable(folio); return 0; diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c index b5af2fc03b2f..f4b4861a74ee 100644 --- a/fs/ext4/move_extent.c +++ b/fs/ext4/move_extent.c @@ -392,14 +392,11 @@ move_extent_per_page(struct file *o_filp, struct inode *donor_inode, for (i = 0; i < block_len_in_page; i++) { *err = ext4_get_block(orig_inode, orig_blk_offset + i, bh, 0); if (*err < 0) - break; + goto repair_branches; bh = bh->b_this_page; } - if (!*err) - *err = block_commit_write(&folio[0]->page, from, from + replaced_size); - if (unlikely(*err < 0)) - goto repair_branches; + block_commit_write(&folio[0]->page, from, from + replaced_size); /* Even in case of data=writeback it is reasonable to pin * inode to transaction, to prevent unexpected data loss */ diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 91a194596552..9e417cd4fd16 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -808,12 +808,7 @@ static int ocfs2_write_zero_page(struct inode *inode, u64 abs_from, /* must not update i_size! */ - ret = block_commit_write(page, block_start + 1, - block_start + 1); - if (ret < 0) - mlog_errno(ret); - else - ret = 0; + block_commit_write(page, block_start + 1, block_start + 1); } /* diff --git a/fs/udf/file.c b/fs/udf/file.c index 243840dc83ad..0292d75e60cc 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c @@ -63,13 +63,13 @@ static vm_fault_t udf_page_mkwrite(struct vm_fault *vmf) else end = PAGE_SIZE; err = __block_write_begin(page, 0, end, udf_get_block); - if (!err) - err = block_commit_write(page, 0, end); - if (err < 0) { + if (err) { unlock_page(page); ret = block_page_mkwrite_return(err); goto out_unlock; } + + block_commit_write(page, 0, end); out_dirty: set_page_dirty(page); wait_for_stable_page(page); diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index 6cb3e9af78c9..a7377877ff4e 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -288,7 +288,7 @@ int cont_write_begin(struct file *, struct address_space *, loff_t, unsigned, struct page **, void **, get_block_t *, loff_t *); int generic_cont_expand_simple(struct inode *inode, loff_t size); -int block_commit_write(struct page *page, unsigned from, unsigned to); +void block_commit_write(struct page *page, unsigned int from, unsigned int to); int block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf, get_block_t get_block); /* Convert errno to return value from ->page_mkwrite() call */