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

From: Stephen C. Tweedie (sct@redhat.com)
Date: Tue Feb 22 2000 - 09:32:34 EST


Hi,

On Mon, 21 Feb 2000 23:43:41 +0100 (CET), Andrea Arcangeli
<andrea@suse.de> said:

> On Mon, 21 Feb 2000, William Montgomery wrote:
>> Any ideas?

> I had a fast look at the buffer.c part of lowlatency-2.2.14-B1 patch and
> the bh->b_count++; schedule(); bh->b_count-- added in buffer.c are buggy.
> Also the schedules in brelse/bforget are buggy since such functions are
> never been supposed to block.

On the contrary --- in 2.2, brelse has always been able to block. It
performs an implicit refile_buffer(), which can block for write
throttling.

--Stephen

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