To reduce the number of such BUG_ON usages, the code will be more robust,
which results in increasing the number of Btrfs production use.
(This is one of the way, off course.)

But, as you pointed out, removing such BUG_ONs is tricky...

quoted text
> static int foo = 1;
>
> path = btrfs_alloc_path();
> if (!path || !(foo % 1000))
>        return -ENOMEM;
> foo++;

Is this a debugging idiom?
I cannot understand why this idiom can be used to catch all the callers.
Would you explain more about it?

Thank you,

-- 
Yoshinori Sano <yoshinori.sano@gmail.com>
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