Re: [patch] Real-Time Preemption, -RT-2.6.13-rc4-V0.7.52-01

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



* 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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]
  Powered by Linux