From a524fcfe190da16bbf1311b6636f51d81f35d59a Mon Sep 17 00:00:00 2001 From: Bean Huo Date: Mon, 26 Jun 2023 07:55:18 +0200 Subject: [PATCH] fs: convert block_commit_write to return void MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit block_commit_write() always returns 0, this patch changes it to return void. Link: https://lkml.kernel.org/r/20230626055518.842392-3-beanhuo@iokpp.de Signed-off-by: Bean Huo Reviewed-by: Jan Kara Acked-by: Theodore Ts'o Reviewed-by: Christoph Hellwig Reviewed-by: Matthew Wilcox (Oracle) Cc: Al Viro Cc: Andreas Dilger Cc: Christian Brauner Cc: Joel Becker Cc: Joseph Qi Cc: Luís Henriques Cc: Mark Fasheh Signed-off-by: Andrew Morton --- 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 a23af7826d1c..587e4d4af9de 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; } /* @@ -2596,11 +2595,10 @@ 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); @@ -2646,11 +2644,11 @@ 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 < 0)) + if (unlikely(ret)) goto out_unlock; + + __block_commit_write(folio, 0, end); + 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 @@ data_copy: 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 */