41 	struct page		*page,  in xfs_count_page_state()  argument
49 	bh = head = page_buffers(page);  in xfs_count_page_state()
411 	struct page		*page,  in xfs_start_page_writeback()  argument
415 	ASSERT(PageLocked(page));  in xfs_start_page_writeback()
416 	ASSERT(!PageWriteback(page));  in xfs_start_page_writeback()
426 		clear_page_dirty_for_io(page);  in xfs_start_page_writeback()
427 		set_page_writeback(page);  in xfs_start_page_writeback()
429 		set_page_writeback_keepwrite(page);  in xfs_start_page_writeback()
431 	unlock_page(page);  in xfs_start_page_writeback()
435 		end_page_writeback(page);  in xfs_start_page_writeback()
641 	struct page		*page,  in xfs_check_page_type()  argument
648 	if (PageWriteback(page))  in xfs_check_page_type()
650 	if (!page->mapping)  in xfs_check_page_type()
652 	if (!page_has_buffers(page))  in xfs_check_page_type()
655 	bh = head = page_buffers(page);  in xfs_check_page_type()
685 	struct page		*page,  in xfs_convert_page()  argument
697  	xfs_off_t		offset = page_offset(page);  in xfs_convert_page()
699 	if (page->index != tindex)  in xfs_convert_page()
701 	if (!trylock_page(page))  in xfs_convert_page()
703 	if (PageWriteback(page))  in xfs_convert_page()
705 	if (page->mapping != inode->i_mapping)  in xfs_convert_page()
707 	if (!xfs_check_page_type(page, (*ioendp)->io_type, false))  in xfs_convert_page()
724 			(xfs_off_t)(page->index + 1) << PAGE_CACHE_SHIFT,  in xfs_convert_page()
761 	bh = head = page_buffers(page);  in xfs_convert_page()
767 		if (!(PageUptodate(page) || buffer_uptodate(bh))) {  in xfs_convert_page()
802 		SetPageUptodate(page);  in xfs_convert_page()
809 	xfs_start_page_writeback(page, !page_dirty, count);  in xfs_convert_page()
813 	unlock_page(page);  in xfs_convert_page()
855 	struct page		*page,  in xfs_vm_invalidatepage()  argument
859 	trace_xfs_invalidatepage(page->mapping->host, page, offset,  in xfs_vm_invalidatepage()
861 	block_invalidatepage(page, offset, length);  in xfs_vm_invalidatepage()
882 	struct page		*page)  in xfs_aops_discard_page()  argument
884 	struct inode		*inode = page->mapping->host;  in xfs_aops_discard_page()
887 	loff_t			offset = page_offset(page);  in xfs_aops_discard_page()
889 	if (!xfs_check_page_type(page, XFS_IO_DELALLOC, true))  in xfs_aops_discard_page()
897 			page, ip->i_ino, offset);  in xfs_aops_discard_page()
900 	bh = head = page_buffers(page);  in xfs_aops_discard_page()
925 	xfs_vm_invalidatepage(page, 0, PAGE_CACHE_SIZE);  in xfs_aops_discard_page()
939 	struct page		*page,  in xfs_vm_writepage()  argument
942 	struct inode		*inode = page->mapping->host;  in xfs_vm_writepage()
955 	trace_xfs_writepage(inode, page, 0, 0);  in xfs_vm_writepage()
957 	ASSERT(page_has_buffers(page));  in xfs_vm_writepage()
996 	if (page->index < end_index)  in xfs_vm_writepage()
997 		end_offset = (xfs_off_t)(page->index + 1) << PAGE_CACHE_SHIFT;  in xfs_vm_writepage()
1029 		if (page->index > end_index ||  in xfs_vm_writepage()
1030 		    (page->index == end_index && offset_into_page == 0))  in xfs_vm_writepage()
1041 		zero_user_segment(page, offset_into_page, PAGE_CACHE_SIZE);  in xfs_vm_writepage()
1049 	bh = head = page_buffers(page);  in xfs_vm_writepage()
1050 	offset = page_offset(page);  in xfs_vm_writepage()
1091 			if (PageUptodate(page))  in xfs_vm_writepage()
1136 		SetPageUptodate(page);  in xfs_vm_writepage()
1138 	xfs_start_page_writeback(page, 1, count);  in xfs_vm_writepage()
1166 		xfs_cluster_write(inode, page->index + 1, &imap, &ioend,  in xfs_vm_writepage()
1189 	xfs_aops_discard_page(page);  in xfs_vm_writepage()
1190 	ClearPageUptodate(page);  in xfs_vm_writepage()
1191 	unlock_page(page);  in xfs_vm_writepage()
1195 	redirty_page_for_writepage(wbc, page);  in xfs_vm_writepage()
1196 	unlock_page(page);  in xfs_vm_writepage()
1218 	struct page		*page,  in xfs_vm_releasepage()  argument
1223 	trace_xfs_releasepage(page->mapping->host, page, 0, 0);  in xfs_vm_releasepage()
1225 	xfs_count_page_state(page, &delalloc, &unwritten);  in xfs_vm_releasepage()
1232 	return try_to_free_buffers(page);  in xfs_vm_releasepage()
1668 	struct page		*page,  in xfs_vm_write_failed()  argument
1694 	head = page_buffers(page);  in xfs_vm_write_failed()
1744 	struct page		**pagep,  in xfs_vm_write_begin()
1748 	struct page		*page;  in xfs_vm_write_begin()  local
1753 	page = grab_cache_page_write_begin(mapping, index, flags);  in xfs_vm_write_begin()
1754 	if (!page)  in xfs_vm_write_begin()
1757 	status = __block_write_begin(page, pos, len, xfs_get_blocks);  in xfs_vm_write_begin()
1762 		xfs_vm_write_failed(inode, page, pos, len);  in xfs_vm_write_begin()
1763 		unlock_page(page);  in xfs_vm_write_begin()
1776 		page_cache_release(page);  in xfs_vm_write_begin()
1777 		page = NULL;  in xfs_vm_write_begin()
1780 	*pagep = page;  in xfs_vm_write_begin()
1799 	struct page		*page,  in xfs_vm_write_end()  argument
1806 	ret = generic_write_end(file, mapping, pos, len, copied, page, fsdata);  in xfs_vm_write_end()
1841 	struct page		*page)  in xfs_vm_readpage()  argument
1843 	return mpage_readpage(page, xfs_get_blocks);  in xfs_vm_readpage()
1870 	struct page		*page)  in xfs_vm_set_page_dirty()  argument
1872 	struct address_space	*mapping = page->mapping;  in xfs_vm_set_page_dirty()
1879 		return !TestSetPageDirty(page);  in xfs_vm_set_page_dirty()
1882 	offset = page_offset(page);  in xfs_vm_set_page_dirty()
1885 	if (page_has_buffers(page)) {  in xfs_vm_set_page_dirty()
1886 		struct buffer_head *head = page_buffers(page);  in xfs_vm_set_page_dirty()
1896 	newly_dirty = !TestSetPageDirty(page);  in xfs_vm_set_page_dirty()
1904 		if (page->mapping) {	/* Race with truncate? */  in xfs_vm_set_page_dirty()
1905 			WARN_ON_ONCE(!PageUptodate(page));  in xfs_vm_set_page_dirty()
1906 			account_page_dirtied(page, mapping);  in xfs_vm_set_page_dirty()
1908 					page_index(page), PAGECACHE_TAG_DIRTY);  in xfs_vm_set_page_dirty()