NFSD: Printk blocklayout length and offset as format 0x%llx

When testing pnfs with nfsd_debug on, nfsd print a negative number
of layout length and foff in nfsd4_block_proc_layoutget as,
"GET: -xxxx:-xxx 2"
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

fs/nfsd/blocklayout.c

@@ -137,7 +137,7 @@ nfsd4_block_proc_layoutget(struct inode *inode, const struct svc_fh *fhp,
 	seg->offset = iomap.offset;
 	seg->length = iomap.length;
 
-	dprintk("GET: %lld:%lld %d\n", bex->foff, bex->len, bex->es);
+	dprintk("GET: 0x%llx:0x%llx %d\n", bex->foff, bex->len, bex->es);
 	return 0;
 
 out_error:

fs/nfsd/blocklayoutxdr.c

@@ -122,19 +122,19 @@ nfsd4_block_decode_layoutupdate(__be32 *p, u32 len, struct iomap **iomapp,
 
 		p = xdr_decode_hyper(p, &bex.foff);
 		if (bex.foff & (block_size - 1)) {
-			dprintk("%s: unaligned offset %lld\n",
+			dprintk("%s: unaligned offset 0x%llx\n",
 				__func__, bex.foff);
 			goto fail;
 		}
 		p = xdr_decode_hyper(p, &bex.len);
 		if (bex.len & (block_size - 1)) {
-			dprintk("%s: unaligned length %lld\n",
+			dprintk("%s: unaligned length 0x%llx\n",
 				__func__, bex.foff);
 			goto fail;
 		}
 		p = xdr_decode_hyper(p, &bex.soff);
 		if (bex.soff & (block_size - 1)) {
-			dprintk("%s: unaligned disk offset %lld\n",
+			dprintk("%s: unaligned disk offset 0x%llx\n",
 				__func__, bex.soff);
 			goto fail;
 		}