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 09c0c6e49ab596f2e5be99bb0fe4bc10bc4b367d..891f7c8490d388f662b0112f58c1218bac18e1b2 100644 (file)
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -121,7 +121,7 @@ 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
@@ -165,12 +165,9 @@ config MULTICORE_RAID456
 
          If unsure, say N.
 
-config MD_RAID6_PQ
-       tristate
-
 config ASYNC_RAID6_TEST
        tristate "Self test for hardware accelerated raid6 recovery"
-       depends on MD_RAID6_PQ
+       depends on RAID6_PQ
        select ASYNC_RAID6_RECOV
        ---help---
          This is a one-shot self test that permutes through the
@@ -257,6 +254,17 @@ config DM_MIRROR
          Allow volume managers to mirror logical volumes, also
          needed for live data migration tools such as 'pvmove'.
 
+config DM_LOG_USERSPACE
+       tristate "Mirror userspace logging (EXPERIMENTAL)"
+       depends on DM_MIRROR && EXPERIMENTAL && NET
+       select CONNECTOR
+       ---help---
+         The userspace logging module provides a mechanism for
+         relaying the dm-dirty-log API to userspace.  Log designs
+         which are more suited to userspace implementation (e.g.
+         shared storage logs) or experimental logs can be implemented
+         by leveraging this framework.
+
 config DM_ZERO
        tristate "Zero target"
        depends on BLK_DEV_DM
@@ -275,6 +283,25 @@ config DM_MULTIPATH
        ---help---
          Allow volume managers to support multipath hardware.
 
+config DM_MULTIPATH_QL
+       tristate "I/O Path Selector based on the number of in-flight I/Os"
+       depends on DM_MULTIPATH
+       ---help---
+         This path selector is a dynamic load balancer which selects
+         the path with the least number of in-flight I/Os.
+
+         If unsure, say N.
+
+config DM_MULTIPATH_ST
+       tristate "I/O Path Selector based on the service time"
+       depends on DM_MULTIPATH
+       ---help---
+         This path selector is a dynamic load balancer which selects
+         the path expected to complete the incoming I/O in the shortest
+         time.
+
+         If unsure, say N.
+
 config DM_DELAY
        tristate "I/O delaying target (EXPERIMENTAL)"
        depends on BLK_DEV_DM && EXPERIMENTAL