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SubjectRe: lowlatency-2.2.14-B1 + 2.2.14aa7 fixes crash, but...

On Tue, 22 Feb 2000, Ingo Molnar wrote:
>
> it could either a bug in the lowlatency patchset (likely), or a bug in the
> kernel (less likely but possible). Could you remove all lowlatency changes
> that are in the sync_buffers() function, or buffer.c/fs.h functions called
> by sync_buffers()? It's tough to debug problems like this (apart from
> considering all the changes done) - some sort of blind searching might
> help. It's likely a change in fs.h or buffer.c.
>
OK. Trying that now.

> the b_count++; schedule(); b_count-- solution is buggy as is but
> conceptually ok - do a 'b_count++; schedule(); b_count--; goto repeat;'
> and everything should be fine. (careful, there is one codepath where 'goto
> repeat2;' is the correct solution because there are more loops within one
> function)
>
How about 'b_count++; schedule(); b_count--; goto again;' in
__invalidate_buffers and set_blocksize?

Wm


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