diff options
Diffstat (limited to 'drivers/md/Kconfig')
| -rw-r--r-- | drivers/md/Kconfig | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index 4540ade6b6b..531d4d17d01 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -2,19 +2,17 @@ # Block device driver configuration # -if BLOCK - -menu "Multi-device support (RAID and LVM)" - -config MD +menuconfig MD bool "Multiple devices driver support (RAID and LVM)" + depends on BLOCK help Support multiple physical spindles through a single logical device. Required for RAID and logical volume management. +if MD + config BLK_DEV_MD tristate "RAID support" - depends on MD ---help--- This driver lets you combine several hard disk partitions into one logical block device. This can be used to simply append one @@ -109,6 +107,8 @@ config MD_RAID10 config MD_RAID456 tristate "RAID-4/RAID-5/RAID-6 mode" depends on BLK_DEV_MD + select ASYNC_MEMCPY + select ASYNC_XOR ---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 @@ -189,7 +189,6 @@ config MD_FAULTY config BLK_DEV_DM tristate "Device mapper support" - depends on MD ---help--- Device-mapper is a low level volume manager. It works by allowing people to specify mappings for ranges of logical sectors. Various @@ -262,6 +261,19 @@ config DM_MULTIPATH_EMC ---help--- Multipath support for EMC CX/AX series hardware. -endmenu +config DM_MULTIPATH_RDAC + tristate "LSI/Engenio RDAC multipath support (EXPERIMENTAL)" + depends on DM_MULTIPATH && BLK_DEV_DM && EXPERIMENTAL + ---help--- + Multipath support for LSI/Engenio RDAC. + +config DM_DELAY + tristate "I/O delaying target (EXPERIMENTAL)" + depends on BLK_DEV_DM && EXPERIMENTAL + ---help--- + A target that delays reads and/or writes and can send + them to different devices. Useful for testing. + + If unsure, say N. -endif +endif # MD |