Andrea Arcangeli wrote:
>
[ ... ]
>
> BH_Req is never unset until the buffer is destroyed (put back on the freelist).
> BH_Req only says if such a buffer ever did any I/O yet or not. It is basically
> only used to deal with I/O errors in sync_buffers().
Interesting. Thanks for the expla
On Tue, Apr 10, 2001 at 01:12:02PM -0700, Rajagopal Ananthanarayanan wrote:
>
> Hi,
>
> It seems BH_Req is set on a buffer_head by submit_bh.
> What part of the code unsets this flag during normal
> operations? One path seems to be block_flushpage->unmap_buffer
> ->clear_bit(BH_Req), but IIRC bl
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