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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
| commit | 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch) | |
| tree | fa581f6dc1c0596391690d1f67eceef3af8246dc /block/Kconfig | |
| parent | d4e493caf788ef44982e131ff9c786546904d934 (diff) | |
Linux-libre 4.5-gnu
Diffstat (limited to 'block/Kconfig')
| -rw-r--r-- | block/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/block/Kconfig b/block/Kconfig index 161491d0a..0363cd731 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 |