1776 		struct readahead_control *rac, bool backmost)  in z_erofs_pcluster_readmore()  argument
1784 		if (rac)  in z_erofs_pcluster_readmore()
1785 			end = headoffset + readahead_length(rac) - 1;  in z_erofs_pcluster_readmore()
1795 		if (rac) {  in z_erofs_pcluster_readmore()
1797 			readahead_expand(rac, headoffset, cur - headoffset);  in z_erofs_pcluster_readmore()
1855 static void z_erofs_readahead(struct readahead_control *rac)  in z_erofs_readahead()  argument
1857 	struct inode *const inode = rac->mapping->host;  in z_erofs_readahead()
1864 	f.headoffset = readahead_pos(rac);  in z_erofs_readahead()
1866 	z_erofs_pcluster_readmore(&f, rac, true);  in z_erofs_readahead()
1867 	nr_folios = readahead_count(rac);  in z_erofs_readahead()
1868 	trace_erofs_readpages(inode, readahead_index(rac), nr_folios, false);  in z_erofs_readahead()
1870 	while ((folio = readahead_folio(rac))) {  in z_erofs_readahead()
1885 	z_erofs_pcluster_readmore(&f, rac, false);  in z_erofs_readahead()