X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=Documentation%2Fkeys-request-key.txt;h=266955d23ee6eb9bff2e98ad1bc6d2bc916d9369;hb=099c736a470c8080a166e7a089f1e48e15f9947c;hp=c1f64fdf84cba2ba6a9f04fc1d5315da7a732ecc;hpb=602cada851b28c5792339786efe872fbdc1f5d41;p=linux-2.6-omap-h63xx.git

diff --git a/Documentation/keys-request-key.txt b/Documentation/keys-request-key.txt
index c1f64fdf84c..266955d23ee 100644
--- a/Documentation/keys-request-key.txt
+++ b/Documentation/keys-request-key.txt
@@ -20,6 +20,19 @@ or:
 					     const char *callout_string,
 					     void *aux);
 
+or:
+
+	struct key *request_key_async(const struct key_type *type,
+				      const char *description,
+				      const char *callout_string);
+
+or:
+
+	struct key *request_key_async_with_auxdata(const struct key_type *type,
+						   const char *description,
+						   const char *callout_string,
+						   void *aux);
+
 Or by userspace invoking the request_key system call:
 
 	key_serial_t request_key(const char *type,
@@ -32,10 +45,14 @@ does not need to link the key to a keyring to prevent it from being immediately
 destroyed.  The kernel interface returns a pointer directly to the key, and
 it's up to the caller to destroy the key.
 
-The request_key_with_auxdata() call is like the in-kernel request_key() call,
-except that it permits auxiliary data to be passed to the upcaller (the default
-is NULL).  This is only useful for those key types that define their own upcall
-mechanism rather than using /sbin/request-key.
+The request_key*_with_auxdata() calls are like the in-kernel request_key*()
+calls, except that they permit auxiliary data to be passed to the upcaller (the
+default is NULL).  This is only useful for those key types that define their
+own upcall mechanism rather than using /sbin/request-key.
+
+The two async in-kernel calls may return keys that are still in the process of
+being constructed.  The two non-async ones will wait for construction to
+complete first.
 
 The userspace interface links the key to a keyring associated with the process
 to prevent the key from going away, and returns the serial number of the key to