Re: block_dev.c not backward compatible with 2.2.15 APIs

From: Stephen C. Tweedie (sct@redhat.com)
Date: Sat Apr 01 2000 - 18:14:54 EST

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Hi,

On Sat, Apr 01, 2000 at 03:20:59PM -0700, Jeff V. Merkey wrote:
>
> This is probably easier than the patch I've been working on today. Do I
> need to hold lock_kernel() over the gen_disk head (I assume so)?

Yep. The lock is needed to walk over or to modify the list, but not
to access any individual gendisk struct you already have a pointer to.

--Stephen

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