config YAFFS_FS
tristate "YAFFS2 file system support"
default n
- depends on MTD
+ depends on MTD_BLOCK
select YAFFS_YAFFS1
select YAFFS_YAFFS2
help
default y
help
Enable YAFFS1 support -- yaffs for 512 byte / page devices
-
+
Not needed for 2K-page devices.
If unsure, say Y.
If unsure, say Y.
+config YAFFS_DISABLE_TAGS_ECC
+ bool "Disable YAFFS from doing ECC on tags by default"
+ depends on YAFFS_FS && YAFFS_YAFFS2
+ default n
+ help
+ This defaults Yaffs to using its own ECC calculations on tags instead of
+ just relying on the MTD.
+ This behavior can also be overridden with tags_ecc_on and
+ tags_ecc_off mount options.
+
+ If unsure, say N.
+
config YAFFS_DISABLE_LAZY_LOAD
bool "Disable lazy loading"
depends on YAFFS_YAFFS2
Enabling this forces on the test that chunks are erased in flash
before writing to them. This takes more time but is potentially
a bit more secure.
-
+
Suggest setting Y during development and ironing out driver
- issues etc. Suggest setting to N if you want faster writing.
+ issues etc. Suggest setting to N if you want faster writing.
If unsure, say Y.
but makes look-ups faster.
If unsure, say Y.
+
+config YAFFS_EMPTY_LOST_AND_FOUND
+ bool "Empty lost and found on boot"
+ depends on YAFFS_FS
+ default n
+ help
+ If this is enabled then the contents of lost and found is
+ automatically dumped at mount.
+
+ If unsure, say N.
+
+config YAFFS_DISABLE_BLOCK_REFRESHING
+ bool "Disable yaffs2 block refreshing"
+ depends on YAFFS_FS
+ default n
+ help
+ If this is set, then block refreshing is disabled.
+ Block refreshing infrequently refreshes the oldest block in
+ a yaffs2 file system. This mechanism helps to refresh flash to
+ mitigate against data loss. This is particularly useful for MLC.
+
+ If unsure, say N.
+
+config YAFFS_DISABLE_BACKGROUND
+ bool "Disable yaffs2 background processing"
+ depends on YAFFS_FS
+ default n
+ help
+ If this is set, then background processing is disabled.
+ Background processing makes many foreground activities faster.
+
+ If unsure, say N.