[various] Improve documentation

Output file must be preallocated.
2016-07-11 14:53:03 +01:00
parent ceffa5f5c4
commit 4779fb9b80
16 changed files with 127 additions and 13 deletions
--- a/man8/thin_restore.8
+++ b/man8/thin_restore.8
@@ -33,7 +33,8 @@ Suppress output messages, return only exit code.
 Input file or device with metadata.

 .IP "\fB\-o, \-\-output\fP \fI{device|file}\fP"
-Output file or device.
+Output file or device for repaired binary metadata.  If a file is used
+then it must be preallocated, and large enough to hold the metadata.

 .IP "\fB\-h, \-\-help\fP"
 Print help and exit.