Questions about btrfs helper threads

[Valdis.Kletnieks at vt.edu]

On Sun, 24 Aug 2014 23:31:38 -0400, nick said:
> In addition , why not create a linked list for the compression in btrfs as we
> can then do the work using the already build in workqueues for btrfs and
> improve the scalability of the compression functions and workload it causes as
> compression is very CPU intensive and we can easily take advance of workquenes
> in order to allow then to run when idle or rarely when CPU is under heavy load.

Because fsync() exists.


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