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-rw-r--r--drivers/md/Kconfig10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index b0a22e99bade..9712ab9bcba5 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -50,6 +50,16 @@ config MD_AUTODETECT
If unsure, say Y.
+config MD_BITMAP_FILE
+ bool "MD bitmap file support"
+ default y
+ help
+ If you say Y here, support for write intent bitmaps in files on an
+ external file system is enabled. This is an alternative to the internal
+ bitmaps near the MD superblock, and very problematic code that abuses
+ various kernel APIs and can only work with files on a file system not
+ actually sitting on the MD device.
+
config MD_LINEAR
tristate "Linear (append) mode (deprecated)"
depends on BLK_DEV_MD