On Fri, 29 Oct 1999, Stephen C. Tweedie wrote:
> Ingo, can we work together to address this? One solution would be the
> ability to mark a buffer_head as "pinned" against being written to disk,
> Fixing this in raid seems far, far preferable to fixing it in the
> filesystems. The filesystem should be allowed to use the buffer cache
> for metadata and should be able to assume that there is a way to prevent
> those buffers from being written to disk until it is ready.
why dont you lock the buffer during transaction, thats the right way to
'pin' down a buffer and prevent it from being written out. You can keep a
buffer locked && dirty indefinitely, and it should be easy to unlock them
when comitting a transaction. Am i missing something?
Ingo
