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Dan Williams 5157b4aa5b raid6: fix recovery performance regression ... The raid6 recovery code should immediately drop back to the optimized synchronous path when a p+q dma resource is not available. Otherwise we run the non-optimized/multi-pass async code in sync mode. Verified with raid6test (NDISKS=255) Applies to kernels >= 2.6.32. Cc: <stable@kernel.org> Acked-by: NeilBrown <neilb@suse.de> Reported-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2010-05-05 07:52:56 -07:00
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Kconfig	async_tx: build-time toggling of async_{syndrome,xor}_val dma support	2009-11-19 23:21:03 -07:00
Makefile	async_tx: raid6 recovery self test	2009-08-29 19:09:28 -07:00
async_memcpy.c	dmaengine, async_tx: support alignment checks	2009-09-08 17:42:53 -07:00
async_memset.c	dmaengine, async_tx: support alignment checks	2009-09-08 17:42:53 -07:00
async_pq.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00
async_raid6_recov.c	raid6: fix recovery performance regression	2010-05-05 07:52:56 -07:00
async_tx.c	dmaengine, async_tx: add a "no channel switch" allocator	2009-09-08 17:42:51 -07:00
async_xor.c	async_tx: build-time toggling of async_{syndrome,xor}_val dma support	2009-11-19 23:21:03 -07:00
raid6test.c	include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h	2010-03-30 22:02:32 +09:00