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-rw-r--r--fs/ext4/Kconfig11
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig
index 418b6f3b0ae..d5c0ea2e8f2 100644
--- a/fs/ext4/Kconfig
+++ b/fs/ext4/Kconfig
@@ -37,7 +37,7 @@ config EXT4DEV_COMPAT
To enable backwards compatibility so that systems that are
still expecting to mount ext4 filesystems using ext4dev,
- chose Y here. This feature will go away by 2.6.31, so
+ choose Y here. This feature will go away by 2.6.31, so
please arrange to get your userspace programs fixed!
config EXT4_FS_XATTR
@@ -77,3 +77,12 @@ config EXT4_FS_SECURITY
If you are not using a security module that requires using
extended attributes for file security labels, say N.
+
+config EXT4_DEBUG
+ bool "EXT4 debugging support"
+ depends on EXT4_FS
+ help
+ Enables run-time debugging support for the ext4 filesystem.
+
+ If you select Y here, then you will be able to turn on debugging
+ with a command such as "echo 1 > /sys/kernel/debug/ext4/mballoc-debug"