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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
commit03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch)
treefa581f6dc1c0596391690d1f67eceef3af8246dc /drivers/md/Kconfig
parentd4e493caf788ef44982e131ff9c786546904d934 (diff)
Linux-libre 4.5-gnu
Diffstat (limited to 'drivers/md/Kconfig')
-rw-r--r--drivers/md/Kconfig21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 7913fdcfc..0a2e7273d 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -240,6 +240,15 @@ config DM_BUFIO
as a cache, holding recently-read blocks in memory and performing
delayed writes.
+config DM_DEBUG_BLOCK_STACK_TRACING
+ bool "Keep stack trace of persistent data block lock holders"
+ depends on STACKTRACE_SUPPORT && DM_BUFIO
+ select STACKTRACE
+ ---help---
+ Enable this for messages that may help debug problems with the
+ block manager locking used by thin provisioning and caching.
+
+ If unsure, say N.
config DM_BIO_PRISON
tristate
depends on BLK_DEV_DM
@@ -458,6 +467,18 @@ config DM_VERITY
If unsure, say N.
+config DM_VERITY_FEC
+ bool "Verity forward error correction support"
+ depends on DM_VERITY
+ select REED_SOLOMON
+ select REED_SOLOMON_DEC8
+ ---help---
+ Add forward error correction support to dm-verity. This option
+ makes it possible to use pre-generated error correction data to
+ recover from corrupted blocks.
+
+ If unsure, say N.
+
config DM_SWITCH
tristate "Switch target support (EXPERIMENTAL)"
depends on BLK_DEV_DM