netfs_folioq_alloc
p = netfs_folioq_alloc(0, GFP_NOFS, netfs_trace_folioq_alloc_buffer);
EXPORT_SYMBOL(netfs_folioq_alloc);
fq = netfs_folioq_alloc(rreq_id, GFP_NOFS, netfs_trace_folioq_rollbuf_init);
fq = netfs_folioq_alloc(head->rreq_id, GFP_NOFS, netfs_trace_folioq_make_space);
struct folio_queue *netfs_folioq_alloc(unsigned int rreq_id, gfp_t gfp,