X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fmd%2FKconfig;h=7df934d69134436cc2e1f5affb7f681dc0ab1671;hb=31f6e1bd3b58c9a67e5ea0c2d372fbf5fc9e326d;hp=bf869ed03eed33c9b61c7c4c46d78e621b0e1b0e;hpb=0a1340c185734a57fbf4775927966ad4a1347b02;p=linux-2.6 diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index bf869ed03e..7df934d691 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -2,6 +2,8 @@ # Block device driver configuration # +if BLOCK + menu "Multi-device support (RAID and LVM)" config MD @@ -136,16 +138,16 @@ config MD_RAID456 If unsure, say Y. config MD_RAID5_RESHAPE - bool "Support adding drives to a raid-5 array (experimental)" - depends on MD_RAID456 && EXPERIMENTAL + bool "Support adding drives to a raid-5 array" + depends on MD_RAID456 + default y ---help--- A RAID-5 set can be expanded by adding extra drives. This requires "restriping" the array which means (almost) every block must be written to a different place. This option allows such restriping to be done while the array - is online. However it is still EXPERIMENTAL code. It should - work, but please be sure that you have backups. + is online. You will need mdadm version 2.4.1 or later to use this feature safely. During the early stage of reshape there is @@ -162,6 +164,8 @@ config MD_RAID5_RESHAPE There should be enough spares already present to make the new array workable. + If unsure, say Y. + config MD_MULTIPATH tristate "Multipath I/O support" depends on BLK_DEV_MD @@ -199,10 +203,19 @@ config BLK_DEV_DM If unsure, say N. +config DM_DEBUG + boolean "Device mapper debugging support" + depends on BLK_DEV_DM && EXPERIMENTAL + ---help--- + Enable this for messages that may help debug device-mapper problems. + + If unsure, say N. + config DM_CRYPT tristate "Crypt target support" depends on BLK_DEV_DM && EXPERIMENTAL select CRYPTO + select CRYPTO_CBC ---help--- This device-mapper target allows you to create a device that transparently encrypts the data on it. You'll need to activate @@ -249,5 +262,15 @@ config DM_MULTIPATH_EMC ---help--- Multipath support for EMC CX/AX series hardware. +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. + endmenu +endif