X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=Kconfig;h=073f54170062d81f0d88a092fa644edec2c6c70a;hp=272df72213a4f823c8c266e4dd202d839c6fbcac;hb=b4a902328423692f296c9118bf6bfaa057ccc72c;hpb=438da1051458a91812a26316414380ed540ec754

diff --git a/Kconfig b/Kconfig
index 272df72..073f541 100644
--- a/Kconfig
+++ b/Kconfig
@@ -5,7 +5,7 @@
 config YAFFS_FS
 	tristate "YAFFS2 file system support"
 	default n
-	depends on MTD
+	depends on MTD_BLOCK
 	select YAFFS_YAFFS1
 	select YAFFS_YAFFS2
 	help
@@ -26,7 +26,7 @@ config YAFFS_YAFFS1
 	default y
 	help
 	  Enable YAFFS1 support -- yaffs for 512 byte / page devices
-	  
+
 	  Not needed for 2K-page devices.
 
 	  If unsure, say Y.
@@ -90,6 +90,18 @@ config YAFFS_AUTO_YAFFS2
 
 	  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
@@ -110,26 +122,6 @@ config YAFFS_DISABLE_LAZY_LOAD
 
 	  If unsure, say N.
 
-config YAFFS_CHECKPOINT_RESERVED_BLOCKS
-	int "Reserved blocks for checkpointing"
-	depends on YAFFS_YAFFS2
-	default 10
-	help
-          Give the number of Blocks to reserve for checkpointing.
-	  Checkpointing saves the state at unmount so that mounting is
-	  much faster as a scan of all the flash to regenerate this state
-	  is not needed.  These Blocks are reserved per partition, so if
-	  you have very small partitions the default (10) may be a mess
-	  for you.  You can set this value to 0, but that does not mean
-	  checkpointing is disabled at all. There only won't be any
-	  specially reserved blocks for checkpointing, so if there is
-	  enough free space on the filesystem, it will be used for
-	  checkpointing.
-
-	  If unsure, leave at default (10), but don't wonder if there are
-	  always 2MB used on your large page device partition (10 x 2k
-	  pagesize). When using small partitions or when being very small
-	  on space, you probably want to set this to zero.
 
 config YAFFS_DISABLE_WIDE_TNODES
 	bool "Turn off wide tnodes"
@@ -158,9 +150,9 @@ config YAFFS_ALWAYS_CHECK_CHUNK_ERASED
 	  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.
 
@@ -174,3 +166,21 @@ config YAFFS_SHORT_NAMES_IN_RAM
 	  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.
+
+config YAFFS_DISABLE_BLOCK_REFRESHING
+	boot "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.