Two nfsd fixes, one for an RDMA crash, one for a pnfs/block protocol

bug.
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Merge tag 'nfsd-4.3-2' of git://linux-nfs.org/~bfields/linux

Pull nfsd fixes from Bruce Fields:
 "Two nfsd fixes, one for an RDMA crash, one for a pnfs/block protocol
  bug"

* tag 'nfsd-4.3-2' of git://linux-nfs.org/~bfields/linux:
  svcrdma: Fix NFS server crash triggered by 1MB NFS WRITE
  nfsd/blocklayout: accept any minlength

fs/nfsd/blocklayout.c

@@ -56,14 +56,6 @@ nfsd4_block_proc_layoutget(struct inode *inode, const struct svc_fh *fhp,
 	u32 device_generation = 0;
 	int error;
 
-	/*
-	 * We do not attempt to support I/O smaller than the fs block size,
-	 * or not aligned to it.
-	 */
-	if (args->lg_minlength < block_size) {
-		dprintk("pnfsd: I/O too small\n");
-		goto out_layoutunavailable;
-	}
 	if (seg->offset & (block_size - 1)) {
 		dprintk("pnfsd: I/O misaligned\n");
 		goto out_layoutunavailable;

net/sunrpc/xprtrdma/svc_rdma_recvfrom.c

@@ -533,7 +533,7 @@ static int rdma_read_complete(struct svc_rqst *rqstp,
 	rqstp->rq_arg.page_base = head->arg.page_base;
 
 	/* rq_respages starts after the last arg page */
-	rqstp->rq_respages = &rqstp->rq_arg.pages[page_no];
+	rqstp->rq_respages = &rqstp->rq_pages[page_no];
 	rqstp->rq_next_page = rqstp->rq_respages + 1;
 
 	/* Rebuild rq_arg head and tail. */