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-rw-r--r--drivers/mtd/ubi/Kconfig16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/mtd/ubi/Kconfig b/drivers/mtd/ubi/Kconfig
index 36663af56d8..f0855ce08ed 100644
--- a/drivers/mtd/ubi/Kconfig
+++ b/drivers/mtd/ubi/Kconfig
@@ -87,4 +87,20 @@ config MTD_UBI_GLUEBI
work on top of UBI. Do not enable this unless you use legacy
software.
+config MTD_UBI_BLOCK
+ bool "Read-only block devices on top of UBI volumes"
+ default n
+ depends on BLOCK
+ help
+ This option enables read-only UBI block devices support. UBI block
+ devices will be layered on top of UBI volumes, which means that the
+ UBI driver will transparently handle things like bad eraseblocks and
+ bit-flips. You can put any block-oriented file system on top of UBI
+ volumes in read-only mode (e.g., ext4), but it is probably most
+ practical for read-only file systems, like squashfs.
+
+ When selected, this feature will be built in the UBI driver.
+
+ If in doubt, say "N".
+
endif # MTD_UBI