5382 pvn_getpages handles lengths <= PAGESIZE just fine

@@ -24,10 +24,11 @@
  * Use is subject to license terms.
  */
 
 /*
  * Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
  */
 
 #include <sys/param.h>
 #include <sys/t_lock.h>
 #include <sys/systm.h>

@@ -1424,12 +1425,12 @@
         return (error);
 }
 
 
 /*
- * Called from pvn_getpages or pcfs_getpage to get a particular page.
- * When we are called the pcfs is already locked.
+ * Called from pvn_getpages to get a particular page.  When we are called
+ * the pcfs is already locked.
  */
 /*ARGSUSED*/
 static int
 pcfs_getapage(
         struct vnode *vp,

@@ -1599,17 +1600,13 @@
                 return (err);
         if (protp != NULL)
                 *protp = PROT_ALL;
 
         ASSERT((off & PAGEOFFSET) == 0);
-        if (len <= PAGESIZE) {
-                err = pcfs_getapage(vp, off, len, protp, pl,
-                    plsz, seg, addr, rw, cr);
-        } else {
-                err = pvn_getpages(pcfs_getapage, vp, off,
-                    len, protp, pl, plsz, seg, addr, rw, cr);
-        }
+        err = pvn_getpages(pcfs_getapage, vp, off, len, protp, pl, plsz,
+            seg, addr, rw, cr);
+
         pc_unlockfs(fsp);
         return (err);
 }