vos: cross-device link error message

Print a better diagnostic message for cross-device link errors, which
happens when a clone volume is not in the same partition as the
parent read-write volume.

Reviewed-on: http://gerrit.openafs.org/10850
Reviewed-by: D Brashear <shadow@your-file-system.com>
Reviewed-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
(cherry picked from commit da1597d74a0f56e35a156ec27df231f965934910)

Change-Id: I30cb0e87612732bfbce2c001831324d1a9e54409
Reviewed-on: http://gerrit.openafs.org/11587
Reviewed-by: Daria Phoebe Brashear <shadow@your-file-system.com>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Mark Vitale <mvitale@sinenomine.net>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>

diff --git a/src/volser/vos.c b/src/volser/vos.c
index 77007e968479c29b38d1922cf657d7c507b7794f..bb9d1eace8a5fe30609b3eac1a5112215af1010f 100644 (file)
--- a/src/volser/vos.c
+++ b/src/volser/vos.c
@@ -5852,13 +5852,20 @@ EndTrans(struct cmd_syndesc *as, void *arock)
 int
 PrintDiagnostics(char *astring, afs_int32 acode)
 {
-    if (acode == EACCES) {
+    switch (acode) {
+    case EACCES:
        fprintf(STDERR,
                "You are not authorized to perform the 'vos %s' command (%d)\n",
                astring, acode);
-    } else {
+       break;
+    case EXDEV:
+       fprintf(STDERR, "Error in vos %s command.\n", astring);
+       fprintf(STDERR, "Clone volume is not in the same partition as the read-write volume.\n");
+       break;
+    default:
        fprintf(STDERR, "Error in vos %s command.\n", astring);
        PrintError("", acode);
+       break;
     }
     return 0;
 }