30 int afs_write_begin(struct file *file, struct address_space *mapping,  in afs_write_begin()  argument
49 	ret = netfs_write_begin(file, mapping, pos, len, flags, &page, fsdata,  in afs_write_begin()
108 int afs_write_end(struct file *file, struct address_space *mapping,  in afs_write_end()  argument
173 static void afs_kill_pages(struct address_space *mapping,  in afs_kill_pages()  argument
176 	struct afs_vnode *vnode = AFS_FS_I(mapping->host);  in afs_kill_pages()
188 		pv.nr = find_get_pages_contig(mapping, start / PAGE_SIZE,  in afs_kill_pages()
205 			generic_error_remove_page(mapping, page);  in afs_kill_pages()
219 			      struct address_space *mapping,  in afs_redirty_pages()  argument
222 	struct afs_vnode *vnode = AFS_FS_I(mapping->host);  in afs_redirty_pages()
234 		pv.nr = find_get_pages_contig(mapping, start / PAGE_SIZE,  in afs_redirty_pages()
263 	struct address_space *mapping = vnode->vfs_inode.i_mapping;  in afs_pages_written_back()  local
267 	XA_STATE(xas, &mapping->i_pages, start / PAGE_SIZE);  in afs_pages_written_back()
431 static void afs_extend_writeback(struct address_space *mapping,  in afs_extend_writeback()  argument
449 	XA_STATE(xas, &mapping->i_pages, index);  in afs_extend_writeback()
547 static ssize_t afs_write_back_from_locked_page(struct address_space *mapping,  in afs_write_back_from_locked_page()  argument
552 	struct afs_vnode *vnode = AFS_FS_I(mapping->host);  in afs_write_back_from_locked_page()
590 			afs_extend_writeback(mapping, vnode, &count,  in afs_write_back_from_locked_page()
604 		iov_iter_xarray(&iter, WRITE, &mapping->i_pages, start, len);  in afs_write_back_from_locked_page()
629 		afs_redirty_pages(wbc, mapping, start, len);  in afs_write_back_from_locked_page()
630 		mapping_set_error(mapping, ret);  in afs_write_back_from_locked_page()
635 		afs_redirty_pages(wbc, mapping, start, len);  in afs_write_back_from_locked_page()
636 		mapping_set_error(mapping, -ENOSPC);  in afs_write_back_from_locked_page()
647 		afs_kill_pages(mapping, start, len);  in afs_write_back_from_locked_page()
648 		mapping_set_error(mapping, ret);  in afs_write_back_from_locked_page()
668 	ret = afs_write_back_from_locked_page(page->mapping, wbc, page,  in afs_writepage()
682 static int afs_writepages_region(struct address_space *mapping,  in afs_writepages_region()  argument
695 		n = find_get_pages_range_tag(mapping, &index, end / PAGE_SIZE,  in afs_writepages_region()
706 		 * (changing page->mapping to NULL), or even swizzled  in afs_writepages_region()
707 		 * back from swapper_space to tmpfs file mapping  in afs_writepages_region()
722 		if (page->mapping != mapping || !PageDirty(page)) {  in afs_writepages_region()
739 		ret = afs_write_back_from_locked_page(mapping, wbc, page, start, end);  in afs_writepages_region()
759 int afs_writepages(struct address_space *mapping,  in afs_writepages()  argument
762 	struct afs_vnode *vnode = AFS_FS_I(mapping->host);  in afs_writepages()
778 		start = mapping->writeback_index * PAGE_SIZE;  in afs_writepages()
779 		ret = afs_writepages_region(mapping, wbc, start, LLONG_MAX, &next);  in afs_writepages()
781 			mapping->writeback_index = next / PAGE_SIZE;  in afs_writepages()
783 				ret = afs_writepages_region(mapping, wbc, 0,  in afs_writepages()
786 					mapping->writeback_index =  in afs_writepages()
791 		ret = afs_writepages_region(mapping, wbc, 0, LLONG_MAX, &next);  in afs_writepages()
793 			mapping->writeback_index = next / PAGE_SIZE;  in afs_writepages()
795 		ret = afs_writepages_region(mapping, wbc,  in afs_writepages()
952 	struct address_space *mapping = page->mapping;  in afs_launder_page()  local
953 	struct afs_vnode *vnode = AFS_FS_I(mapping->host);  in afs_launder_page()