On Sat, Mar 08, 2003 at 08:10:29AM -0800, Linus Torvalds wrote:
> So to actually fix file_lock, you need to do something else. I _think_
> that "something else" may be to make it be a per-super-block lock, since I
> think that's the only thing the f_list thing is actually used for. Then
> you should probably pass in the superblock pointer to "get_empty_filp()",
> and _then_ you can get rid of the free list and the current global lock.
Agreed, that's what I actually though when looking into that stuff in more
detail a while ago - I just couldn't remember everything now that Martin
brought it up again. Killing the freelist seems like a good idea anyway
(or rather keep a small list for the reserved filp that is used only
_after_ kmem_cache_alloc() failed)
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