md: Factor out RAID6 algorithms into lib/

[net-next-2.6.git] / drivers / md / Kconfig

diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 020f9573fd82011babb4ad666a2966a44d088aba..891f7c8490d388f662b0112f58c1218bac18e1b2 100644 (file)
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -121,9 +121,11 @@ config MD_RAID10
 config MD_RAID456
        tristate "RAID-4/RAID-5/RAID-6 mode"
        depends on BLK_DEV_MD
-       select MD_RAID6_PQ
+       select RAID6_PQ
        select ASYNC_MEMCPY
        select ASYNC_XOR
+       select ASYNC_PQ
+       select ASYNC_RAID6_RECOV
        ---help---
          A RAID-5 set of N drives with a capacity of C MB per drive provides
          the capacity of C * (N - 1) MB, and protects against a failure
@@ -152,8 +154,29 @@ config MD_RAID456
 
          If unsure, say Y.
 
-config MD_RAID6_PQ
-       tristate
+config MULTICORE_RAID456
+       bool "RAID-4/RAID-5/RAID-6 Multicore processing (EXPERIMENTAL)"
+       depends on MD_RAID456
+       depends on SMP
+       depends on EXPERIMENTAL
+       ---help---
+         Enable the raid456 module to dispatch per-stripe raid operations to a
+         thread pool.
+
+         If unsure, say N.
+
+config ASYNC_RAID6_TEST
+       tristate "Self test for hardware accelerated raid6 recovery"
+       depends on RAID6_PQ
+       select ASYNC_RAID6_RECOV
+       ---help---
+         This is a one-shot self test that permutes through the
+         recovery of all the possible two disk failure scenarios for a
+         N-disk array.  Recovery is performed with the asynchronous
+         raid6 recovery routines, and will optionally use an offload
+         engine if one is available.
+
+         If unsure, say N.
 
 config MD_MULTIPATH
        tristate "Multipath I/O support"