41 	struct page		*page,  in xfs_count_page_state()  argument
49 	bh = head = page_buffers(page);  in xfs_count_page_state()
416 	struct page		*page,  in xfs_start_page_writeback()  argument
420 	ASSERT(PageLocked(page));  in xfs_start_page_writeback()
421 	ASSERT(!PageWriteback(page));  in xfs_start_page_writeback()
431 		clear_page_dirty_for_io(page);  in xfs_start_page_writeback()
432 		set_page_writeback(page);  in xfs_start_page_writeback()
434 		set_page_writeback_keepwrite(page);  in xfs_start_page_writeback()
436 	unlock_page(page);  in xfs_start_page_writeback()
440 		end_page_writeback(page);  in xfs_start_page_writeback()
646 	struct page		*page,  in xfs_check_page_type()  argument
653 	if (PageWriteback(page))  in xfs_check_page_type()
655 	if (!page->mapping)  in xfs_check_page_type()
657 	if (!page_has_buffers(page))  in xfs_check_page_type()
660 	bh = head = page_buffers(page);  in xfs_check_page_type()
690 	struct page		*page,  in xfs_convert_page()  argument
702  	xfs_off_t		offset = page_offset(page);  in xfs_convert_page()
704 	if (page->index != tindex)  in xfs_convert_page()
706 	if (!trylock_page(page))  in xfs_convert_page()
708 	if (PageWriteback(page))  in xfs_convert_page()
710 	if (page->mapping != inode->i_mapping)  in xfs_convert_page()
712 	if (!xfs_check_page_type(page, (*ioendp)->io_type, false))  in xfs_convert_page()
729 			(xfs_off_t)(page->index + 1) << PAGE_CACHE_SHIFT,  in xfs_convert_page()
766 	bh = head = page_buffers(page);  in xfs_convert_page()
772 		if (!(PageUptodate(page) || buffer_uptodate(bh))) {  in xfs_convert_page()
807 		SetPageUptodate(page);  in xfs_convert_page()
814 	xfs_start_page_writeback(page, !page_dirty, count);  in xfs_convert_page()
818 	unlock_page(page);  in xfs_convert_page()
860 	struct page		*page,  in xfs_vm_invalidatepage()  argument
864 	trace_xfs_invalidatepage(page->mapping->host, page, offset,  in xfs_vm_invalidatepage()
866 	block_invalidatepage(page, offset, length);  in xfs_vm_invalidatepage()
887 	struct page		*page)  in xfs_aops_discard_page()  argument
889 	struct inode		*inode = page->mapping->host;  in xfs_aops_discard_page()
892 	loff_t			offset = page_offset(page);  in xfs_aops_discard_page()
894 	if (!xfs_check_page_type(page, XFS_IO_DELALLOC, true))  in xfs_aops_discard_page()
902 			page, ip->i_ino, offset);  in xfs_aops_discard_page()
905 	bh = head = page_buffers(page);  in xfs_aops_discard_page()
930 	xfs_vm_invalidatepage(page, 0, PAGE_CACHE_SIZE);  in xfs_aops_discard_page()
944 	struct page		*page,  in xfs_vm_writepage()  argument
947 	struct inode		*inode = page->mapping->host;  in xfs_vm_writepage()
960 	trace_xfs_writepage(inode, page, 0, 0);  in xfs_vm_writepage()
962 	ASSERT(page_has_buffers(page));  in xfs_vm_writepage()
1001 	if (page->index < end_index)  in xfs_vm_writepage()
1002 		end_offset = (xfs_off_t)(page->index + 1) << PAGE_CACHE_SHIFT;  in xfs_vm_writepage()
1034 		if (page->index > end_index ||  in xfs_vm_writepage()
1035 		    (page->index == end_index && offset_into_page == 0))  in xfs_vm_writepage()
1046 		zero_user_segment(page, offset_into_page, PAGE_CACHE_SIZE);  in xfs_vm_writepage()
1054 	bh = head = page_buffers(page);  in xfs_vm_writepage()
1055 	offset = page_offset(page);  in xfs_vm_writepage()
1096 			if (PageUptodate(page))  in xfs_vm_writepage()
1141 		SetPageUptodate(page);  in xfs_vm_writepage()
1143 	xfs_start_page_writeback(page, 1, count);  in xfs_vm_writepage()
1171 		xfs_cluster_write(inode, page->index + 1, &imap, &ioend,  in xfs_vm_writepage()
1194 	xfs_aops_discard_page(page);  in xfs_vm_writepage()
1195 	ClearPageUptodate(page);  in xfs_vm_writepage()
1196 	unlock_page(page);  in xfs_vm_writepage()
1200 	redirty_page_for_writepage(wbc, page);  in xfs_vm_writepage()
1201 	unlock_page(page);  in xfs_vm_writepage()
1223 	struct page		*page,  in xfs_vm_releasepage()  argument
1228 	trace_xfs_releasepage(page->mapping->host, page, 0, 0);  in xfs_vm_releasepage()
1230 	xfs_count_page_state(page, &delalloc, &unwritten);  in xfs_vm_releasepage()
1237 	return try_to_free_buffers(page);  in xfs_vm_releasepage()
1745 	struct page		*page,  in xfs_vm_write_failed()  argument
1771 	head = page_buffers(page);  in xfs_vm_write_failed()
1821 	struct page		**pagep,  in xfs_vm_write_begin()
1825 	struct page		*page;  in xfs_vm_write_begin()  local
1830 	page = grab_cache_page_write_begin(mapping, index, flags);  in xfs_vm_write_begin()
1831 	if (!page)  in xfs_vm_write_begin()
1834 	status = __block_write_begin(page, pos, len, xfs_get_blocks);  in xfs_vm_write_begin()
1839 		xfs_vm_write_failed(inode, page, pos, len);  in xfs_vm_write_begin()
1840 		unlock_page(page);  in xfs_vm_write_begin()
1853 		page_cache_release(page);  in xfs_vm_write_begin()
1854 		page = NULL;  in xfs_vm_write_begin()
1857 	*pagep = page;  in xfs_vm_write_begin()
1876 	struct page		*page,  in xfs_vm_write_end()  argument
1883 	ret = generic_write_end(file, mapping, pos, len, copied, page, fsdata);  in xfs_vm_write_end()
1918 	struct page		*page)  in xfs_vm_readpage()  argument
1920 	return mpage_readpage(page, xfs_get_blocks);  in xfs_vm_readpage()
1947 	struct page		*page)  in xfs_vm_set_page_dirty()  argument
1949 	struct address_space	*mapping = page->mapping;  in xfs_vm_set_page_dirty()
1957 		return !TestSetPageDirty(page);  in xfs_vm_set_page_dirty()
1960 	offset = page_offset(page);  in xfs_vm_set_page_dirty()
1963 	if (page_has_buffers(page)) {  in xfs_vm_set_page_dirty()
1964 		struct buffer_head *head = page_buffers(page);  in xfs_vm_set_page_dirty()
1978 	memcg = mem_cgroup_begin_page_stat(page);  in xfs_vm_set_page_dirty()
1979 	newly_dirty = !TestSetPageDirty(page);  in xfs_vm_set_page_dirty()
1987 		if (page->mapping) {	/* Race with truncate? */  in xfs_vm_set_page_dirty()
1988 			WARN_ON_ONCE(!PageUptodate(page));  in xfs_vm_set_page_dirty()
1989 			account_page_dirtied(page, mapping, memcg);  in xfs_vm_set_page_dirty()
1991 					page_index(page), PAGECACHE_TAG_DIRTY);  in xfs_vm_set_page_dirty()