---

yaml --- r: 177202 b: refs/heads/master c: eb4c86c h: refs/heads/master v: v3
git-mirror · Dec 15, 2009 · e8cc4f7 · e8cc4f7
1 parent e11e252
commit e8cc4f7
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Showing 3 changed files with 12 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 12045a6ee9908b38b6d286530c7d816e39071346
+refs/heads/master: eb4c86c6a5adec423c9e615d4937fdddd06a16c5
diff --git a/trunk/fs/nfsd/export.c b/trunk/fs/nfsd/export.c
@@ -1425,6 +1425,7 @@ static struct flags {
 	{ NFSEXP_CROSSMOUNT, {"crossmnt", ""}},
 	{ NFSEXP_NOSUBTREECHECK, {"no_subtree_check", ""}},
 	{ NFSEXP_NOAUTHNLM, {"insecure_locks", ""}},
+	{ NFSEXP_V4ROOT, {"v4root", ""}},
 #ifdef MSNFS
 	{ NFSEXP_MSNFS, {"msnfs", ""}},
 #endif

diff --git a/trunk/include/linux/nfsd/export.h b/trunk/include/linux/nfsd/export.h
@@ -39,6 +39,16 @@
 #define NFSEXP_FSID		0x2000
 #define	NFSEXP_CROSSMOUNT	0x4000
 #define	NFSEXP_NOACL		0x8000	/* reserved for possible ACL related use */
+/*
+ * The NFSEXP_V4ROOT flag causes the kernel to give access only to NFSv4
+ * clients, and only to the single directory that is the root of the
+ * export; further lookup and readdir operations are treated as if every
+ * subdirectory was a mountpoint, and ignored if they are not themselves
+ * exported.  This is used by nfsd and mountd to construct the NFSv4
+ * pseudofilesystem, which provides access only to paths leading to each
+ * exported filesystem.
+ */
+#define	NFSEXP_V4ROOT		0x10000
 /* All flags that we claim to support.  (Note we don't support NOACL.) */
 #define NFSEXP_ALLFLAGS		0x7E3F