* Steven Rostedt <[EMAIL PROTECTED]> wrote:
> So, the only other solutions that I can think of is:
>
> a) add yet another (bloat) lock to the buffer head.
>
> b) Still use your b_update_lock for the jbd_lock_bh_journal_head and
> change the jbd_lock_bh_state to what I discussed earlier, and that
> being the hash wait_on_bit code.
could you try a), how clean does it get? Personally i'm much more in
favor of cleanliness. On the vanilla kernel a spinlock is zero bytes on
UP [the most RAM-sensitive platform], and it's a word on typical SMP.
Ingo
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