On Saturday, 07 January, 2012 17:49:01 Goffredo Baroncelli wrote:
> On Saturday, 07 January, 2012 16:14:43 you wrote:
[..]
> > btrfs instead tries to be clever, and if ip was doing the same thing
> > btrfs does you would get "ambiguous command 'r'" error in response to
> > "ip r".
>
> You are right, but this is a bug.
>
> 1) btrfs s sn -> means btrfs subvolume snapshot
> 2) btrfs s se -> means btrfs subvolume set-default
> 3) btrfs s s -> is ambiguous command because it could means both 1) and 2)
>
> However if we try 1) we get an error. But this is not the intended
> behavior. I have to investigate why.
The change should be quite simple
diff --git a/btrfs.c b/btrfs.c
index 1def354..981afa4 100644
--- a/btrfs.c
+++ b/btrfs.c
@@ -268,8 +268,8 @@ static int check_ambiguity(struct Command *cmd, char
**argv)
if( cp->ncmds < i )
continue;
- for( skip = 0, j = 0 ; j < i ; j++ )
- if( strcmp(cmd->cmds[j], cp->cmds[j])){
+ for( skip = 0, j = 0 ; j <= i ; j++ )
+ if( !strcmp(cmd->cmds[j], cp->cmds[j])){
skip=1;
break;
}
But before issue a new patch I want to be sure about its correctness. I have
to make a more formal test.
>
> BR
> G.Baroncelli
>
> > Thanks,
> >
> > Ilya
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