[dm-devel] mirror patches - device failure detection/race fix/deadlock fix

[Jonathan E Brassow]

The first 4 patches (0000[1234].patch) are the device failure detection 
patches.  They've been cleaned up a bit from the last time they were 
posted.

The 'race.patch' fixes a couple race conditions that were a result of 
the __rh_alloc() function releasing and regrabbing a lock when called.

The 'deadlock.patch' switches all spin_lock calls on the region_lock to 
spin_lock_irqsave.  Without this patch you machine will hang.

The patches apply in the order described, and should apply to kernels 
2.6.12 - 2.6.13-rc5.

I've made them all attachments to this e-mail.  If people don't like it 
this way, let me know, and I'll do it lkml style.

  brassow

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