Re: Oops in 2.2.15 with NWFS using the Linux Buffer Cache SMP

From: Jeff V. Merkey (jmerkey@timpanogas.com)
Date: Wed Mar 29 2000 - 14:40:11 EST


David,

Which locking primitive should I call -- lock_kernel()/unlock_kernel();

:-)

Jeff

"David S. Miller" wrote:
>
> Date: Wed, 29 Mar 2000 03:16:50 -0700
> From: "Jeff V. Merkey" <jmerkey@timpanogas.com>
>
> Is it required that I hold the kernel lock with lock_kernel() over
> the Linux Buffer Cache when doing I/O to it in 2.2.15?
>
> Yes. The buffer cache was not thread safe until I did that
> work circa ~2.3.13 or so.
>
> Later,
> David S. Miller
> davem@redhat.com
>
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