On Tue, 6 Feb 2001, Ben LaHaise wrote:
> > - higher levels do not have the kind of state to eg. merge requests done
> > by different users. The only chance for merging is often the lowest
> > level, where we already know what disk, which sector.
>
> That's what a readaround buffer is for, [...]
If you are merging based on (device, offset) values, then that's lowlevel
- and this is what we have been doing for years.
If you are merging based on (inode, offset), then it has flaws like not
being able to merge through a loopback or stacked filesystem.
Ingo
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This archive was generated by hypermail 2b29 : Wed Feb 07 2001 - 21:00:24 EST