There is small nit change as below, which I have done locally.
I haven't sent an updated patch yet as I think its better to
send this and other changes if any.
diff --git a/cmds/filesystem.c b/cmds/filesystem.c
index 4f22089abeaa..fc1736d9fe66 100644
--- a/cmds/filesystem.c
+++ b/cmds/filesystem.c
@@ -840,6 +840,8 @@ static const char * const cmd_filesystem_defrag_usage[] = {
"-l len defragment only up to len bytes",
"-t size target extent size hint (default: 32M)",
"",
+ HELPINFO_INSERT_GLOBALS,
+ HELPINFO_INSERT_VERBOSE,
"Warning: most Linux kernels will break up the ref-links of COW data",
"(e.g., files copied with 'cp --reflink', snapshots) which may cause",
"considerable increase of space usage. See btrfs-filesystem(8) for",
Move the new line "" from before HELPINFO_INSERT_GLOBALS to before Warning.
Thanks, Anand
