[Midnightbsd-cvs] src [9428] trunk/sys/fs/nfsclient/nfs_clvnops.c: Add support for the eofflag to nfs_readdir() in the new NFS

[laffer1 at midnightbsd.org]

Revision: 9428
          http://svnweb.midnightbsd.org/src/?rev=9428
Author:   laffer1
Date:     2017-03-05 09:22:43 -0500 (Sun, 05 Mar 2017)
Log Message:
-----------
Add support for the eofflag to nfs_readdir() in the new NFS
client so that it works under a unionfs mount.

Modified Paths:
--------------
    trunk/sys/fs/nfsclient/nfs_clvnops.c

Modified: trunk/sys/fs/nfsclient/nfs_clvnops.c
===================================================================
--- trunk/sys/fs/nfsclient/nfs_clvnops.c	2017-03-04 23:23:39 UTC (rev 9427)
+++ trunk/sys/fs/nfsclient/nfs_clvnops.c	2017-03-05 14:22:43 UTC (rev 9428)
@@ -2207,6 +2207,8 @@
 	int error = 0;
 	struct vattr vattr;
 	
+	if (ap->a_eofflag != NULL)
+		*ap->a_eofflag = 0;
 	if (vp->v_type != VDIR) 
 		return(EPERM);
 
@@ -2221,6 +2223,8 @@
 			    !NFS_TIMESPEC_COMPARE(&np->n_mtime, &vattr.va_mtime)) {
 				mtx_unlock(&np->n_mtx);
 				NFSINCRGLOBAL(newnfsstats.direofcache_hits);
+				if (ap->a_eofflag != NULL)
+					*ap->a_eofflag = 1;
 				return (0);
 			} else
 				mtx_unlock(&np->n_mtx);
@@ -2233,8 +2237,11 @@
 	tresid = uio->uio_resid;
 	error = ncl_bioread(vp, uio, 0, ap->a_cred);
 
-	if (!error && uio->uio_resid == tresid)
+	if (!error && uio->uio_resid == tresid) {
 		NFSINCRGLOBAL(newnfsstats.direofcache_misses);
+		if (ap->a_eofflag != NULL)
+			*ap->a_eofflag = 1;
+	}
 	return (error);
 }