[PATCH 0/6] per device dirty throttling -V2

[Peter Zijlstra]

Hi,

A new version of the per BDI dirty page throttle patches.

This is against 2.6.21-rc5-mm4 with:

 per-backing_dev-dirty-and-writeback-page-accounting.patch

reverted.

These patches should solve several problem we current have in this area,
namely:

 - mutual interference starvation (for any number of BDIs), and
 - deadlocks with stacked BDIs (loop and FUSE).

Dave, would you mind testing if the XFS umount problem is still present?
I could not reproduce it with this code.

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