Re: fsync on large files

Oliver Xymoron (oxymoron@waste.org)
Mon, 15 Feb 1999 23:21:12 -0600 (CST)


On Mon, 15 Feb 1999, Theodore Y. Ts'o wrote:

> I can also remove the N**2 aspect of inserting into the list by keeping
> the list sorted, and then using a binary search to check for the
> existence of the block on the list, and then do a sorted insert into the
> list.

Are you actually still talking about a small fixed-sized array here (which
sounds cumbersome) or a linked list (which is slightly more challenging
to binary search efficiently). The problem does immediately suggest a tree
approach though. In fact there might be several places in the VFS where we
build and sort lists (elevator algorithm?) that might be more efficiently
done with trees.

--
 "Love the dolphins," she advised him. "Write by W.A.S.T.E.." 

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