document sync option:

[nfs-utils.git] / utils / exportfs / exports.man

diff --git a/utils/exportfs/exports.man b/utils/exportfs/exports.man
index 2b316f546bd95187622a4697d750f3410850adf4..a37e75f5d6a7a1e4c7a67fde249e7a7e760fb47c 100644 (file)
--- a/utils/exportfs/exports.man
+++ b/utils/exportfs/exports.man
@@ -109,6 +109,13 @@ Using this option usually improves performance, but at the cost that
 an unclean server restart (i.e. a crash) can cause data to be lost or
 corrupted.
 
+.TP
+.IR sync
+Reply to requests only after the changes have been committed to stable
+storage (see
+.IR async
+above).
+
 In releases of nfs-utils upto and including 1.0.0, this option was the
 default.  In this and future releases,
 .I sync
@@ -168,6 +175,14 @@ copes with the situation effectively.
 The option can be explicitly disabled with
 .IR hide .
 .TP
+.IR crossmnt
+This option is similar to
+.I nohide
+but it makes it possible for clients to move from the filesystem marked
+with crossmnt to exported filesystems mounted on it.  Thus when a child
+filesystem "B" is mounted on a parent "A", setting crossmnt on "A" has
+the same effect as setting "nohide" on B.
+.TP
 .IR no_subtree_check
 This option disables subtree checking, which has mild security
 implications, but can improve reliability in some circumstances.