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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-24 10:26:54 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-24 10:26:54 -0700 |
commit | c3cb5e193937c7aa50c323e7933507020bd26340 (patch) | |
tree | ea36213ccd29dc4caf2f729fd51b2d489b591a31 /drivers/md/Kconfig | |
parent | ea94b5034bbebc964115f119d6cd330757fce7f9 (diff) | |
parent | f40c67f0f7e2767f80f7cbcbc1ab86c4113c202e (diff) | |
download | linux-c3cb5e193937c7aa50c323e7933507020bd26340.tar.bz2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm
* git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm: (48 commits)
dm mpath: change to be request based
dm: disable interrupt when taking map_lock
dm: do not set QUEUE_ORDERED_DRAIN if request based
dm: enable request based option
dm: prepare for request based option
dm raid1: add userspace log
dm: calculate queue limits during resume not load
dm log: fix create_log_context to use logical_block_size of log device
dm target:s introduce iterate devices fn
dm table: establish queue limits by copying table limits
dm table: replace struct io_restrictions with struct queue_limits
dm table: validate device logical_block_size
dm table: ensure targets are aligned to logical_block_size
dm ioctl: support cookies for udev
dm: sysfs add suspended attribute
dm table: improve warning message when devices not freed before destruction
dm mpath: add service time load balancer
dm mpath: add queue length load balancer
dm mpath: add start_io and nr_bytes to path selectors
dm snapshot: use barrier when writing exception store
...
Diffstat (limited to 'drivers/md/Kconfig')
-rw-r--r-- | drivers/md/Kconfig | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index 36e0675be9f7..020f9573fd82 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -231,6 +231,17 @@ 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 @@ -249,6 +260,25 @@ 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 |