Change protocol to send Linux errno from daemon to library.

[libguestfs.git] / src / guestfs.pod

diff --git a/src/guestfs.pod b/src/guestfs.pod
index 5deccb5..4dafb07 100644 (file)
--- a/src/guestfs.pod
+++ b/src/guestfs.pod
@@ -724,16 +724,7 @@ The error message you get from this is also a little obscure.
 This could be fixed in the generator by specially marking parameters
 and return values which take bytes or other units.
 
-=item Protocol limit of 256 characters for error messages
-
-This limit is both rather small and quite unnecessary.  We should be
-able to return error messages up to the length of the protocol message
-(2-4 MB).
-
-Note that we cannot change the protocol without some breakage, because
-there are distributions that repackage the Fedora appliance.
-
-=item Protocol should return errno with error messages.
+=item Library should return errno with error messages.
 
 It would be a nice-to-have to be able to get the original value of
 'errno' from inside the appliance along error paths (where set).
@@ -741,6 +732,9 @@ Currently L<guestmount(1)> goes through hoops to try to reverse the
 error message string into an errno, see the function error() in
 fuse/guestmount.c.
 
+In libguestfs 1.5.4, the protocol was changed so that the
+Linux errno is sent back from the daemon.
+
 =back
 
 =head2 PROTOCOL LIMITS