Messages in this thread | | | Subject | Re: [possible race in ext2] Re: how to write get_block? | From | Andi Kleen <> | Date | 09 Oct 1999 00:10:43 +0200 |
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mingo@chiara.csoma.elte.hu (Ingo Molnar) writes:
> On Fri, 8 Oct 1999, Alexander Viro wrote: > > > Stephen, Ingo, could you look at the stuff above? Methink it means that we > > either must separate ext2_truncate() for directories (doing bforget() on > > the data blocks) _or_ put the directory blocks into the page cache and do > > block_flush(). I'ld rather prefer the latter. Moreover, we can stuff the > > indirect blocks into the page cache too (using negative offsets). That > > would leave us with pure buffer cache only for static structures. > > yep we knew about this problem ... it's not quite an easy hack though. > Putting the directory block cache (and symlink block cache) into the page > cache would be the preferred method - this would also clean up the code > alot i think.
At the cost of lots of wasted memory for small directories.
-Andi
-- This is like TV. I don't like TV.
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