From: Matthew Wilcox (Oracle) Date: Fri, 21 Feb 2025 20:44:19 +0000 (+0000) Subject: fs: Remove page_mkwrite_check_truncate() X-Git-Tag: v6.15-rc1~242^2~2^2 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9dcef93363e7f7b925b3adc4a3171bd00250c8dd;p=thirdparty%2Fkernel%2Flinux.git fs: Remove page_mkwrite_check_truncate() All callers of this function have now been converted to use folio_mkwrite_check_truncate(). Signed-off-by: "Matthew Wilcox (Oracle)" Link: https://lore.kernel.org/r/20250221204421.3590340-1-willy@infradead.org Tested-by: Viacheslav Dubeyko Reviewed-by: Viacheslav Dubeyko Signed-off-by: Christian Brauner --- diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 47bfc6b1b632d..7fe82d43cf39a 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -1602,34 +1602,6 @@ static inline ssize_t folio_mkwrite_check_truncate(struct folio *folio, return offset; } -/** - * page_mkwrite_check_truncate - check if page was truncated - * @page: the page to check - * @inode: the inode to check the page against - * - * Returns the number of bytes in the page up to EOF, - * or -EFAULT if the page was truncated. - */ -static inline int page_mkwrite_check_truncate(struct page *page, - struct inode *inode) -{ - loff_t size = i_size_read(inode); - pgoff_t index = size >> PAGE_SHIFT; - int offset = offset_in_page(size); - - if (page->mapping != inode->i_mapping) - return -EFAULT; - - /* page is wholly inside EOF */ - if (page->index < index) - return PAGE_SIZE; - /* page is wholly past EOF */ - if (page->index > index || !offset) - return -EFAULT; - /* page is partially inside EOF */ - return offset; -} - /** * i_blocks_per_folio - How many blocks fit in this folio. * @inode: The inode which contains the blocks.