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authorIngo Molnar <mingo@kernel.org>2016-02-29 09:42:07 +0100
committerIngo Molnar <mingo@kernel.org>2016-02-29 09:42:07 +0100
commit6aa447bcbb444cd1b738613a20627f288d631665 (patch)
tree62030bb14be0006248181305ac1fe377a99e5b65 /block/Kconfig
parentabedf8e2419fb873d919dd74de2e84b510259339 (diff)
parent48be3a67da7413d62e5efbcf2c73a9dddf61fb96 (diff)
downloadtalos-obmc-linux-6aa447bcbb444cd1b738613a20627f288d631665.tar.gz
talos-obmc-linux-6aa447bcbb444cd1b738613a20627f288d631665.zip
Merge branch 'sched/urgent' into sched/core, to pick up fixes before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'block/Kconfig')
-rw-r--r--block/Kconfig13
1 files changed, 13 insertions, 0 deletions
diff --git a/block/Kconfig b/block/Kconfig
index 161491d0a879..0363cd731320 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -88,6 +88,19 @@ config BLK_DEV_INTEGRITY
T10/SCSI Data Integrity Field or the T13/ATA External Path
Protection. If in doubt, say N.
+config BLK_DEV_DAX
+ bool "Block device DAX support"
+ depends on FS_DAX
+ depends on BROKEN
+ help
+ When DAX support is available (CONFIG_FS_DAX) raw block
+ devices can also support direct userspace access to the
+ storage capacity via MMAP(2) similar to a file on a
+ DAX-enabled filesystem. However, the DAX I/O-path disables
+ some standard I/O-statistics, and the MMAP(2) path has some
+ operational differences due to bypassing the page
+ cache. If in doubt, say N.
+
config BLK_DEV_THROTTLING
bool "Block layer bio throttling support"
depends on BLK_CGROUP=y
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