UPSTREAM: dm verity: add support for forward error correction

[firefly-linux-kernel-4.4.55.git] / drivers / md / Kconfig

diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 7913fdcfc8496bdd7c719a8c3334f6136c74eced..d8b0ab6f3753c7ffc1e4655c1da26056f5746430 100644 (file)
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -458,6 +458,18 @@ 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