On 01/24, Oleg Nesterov wrote:
>
> And probably you are right, the fix should be as simple as possible.
> But can't we also simplify __dentry_path? Unless I missed something
> we can move prepend() up, before rcu_read_lock(), "move Get '/' right"
> into that prepend, and even kill retval... OK, most probably I missed
> something,
Of course I missed something ;)
> but at first glance we can do something like
>
> static char *__dentry_path(struct dentry *dentry, char *buf, int buflen)
> {
> int len, seq = 0;
> int error = 0;
> char *end;
>
> buf += buflen;
> /* Get '/' right, write "/\0" at the end */
> if (prepend(&buf, &buflen, "/", 2))
> goto Elong;
Heh. Not sure what I was thinking about, but this looks obviously wrong
when I re-read my email. This will add the extra "/" at the end, unless
IS_ROOT().
Sorry for noise.
Oleg.
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