X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=Kconfig;h=9cc372ec44f40f2a7b48a9d7b3a655e55531c5ed;hp=73e37a09e613bb5f68e68a16728991f595fc7bc1;hb=5dcdf77ef2af74d01edb41d8eadee55176c33cad;hpb=dd2ede7911c7afa2d28cee19f2727a8ba03fc011 diff --git a/Kconfig b/Kconfig index 73e37a0..9cc372e 100644 --- a/Kconfig +++ b/Kconfig @@ -5,6 +5,7 @@ config YAFFS_FS tristate "YAFFS2 file system support" default n + depends on MTD select YAFFS_YAFFS1 select YAFFS_YAFFS2 help @@ -69,6 +70,26 @@ config YAFFS_AUTO_YAFFS2 If unsure, say Y. +config YAFFS_DISABLE_LAZY_LOAD + bool "Disable lazy loading" + depends on YAFFS_YAFFS2 + default n + help + "Lazy loading" defers loading file details until they are + required. This saves mount time, but makes the first look-up + a bit longer. + + Lazy loading will only happen if enabled by this option being 'n' + and if the appropriate tags are available, else yaffs2 will + automatically fall back to immediate loading and do the right + thing. + + Lazy laoding will be required by checkpointing. + + Setting this to 'y' will disable lazy loading. + + If unsure, say N. + config YAFFS_DISABLE_WIDE_TNODES bool "Turn off wide tnodes" depends on YAFFS_FS @@ -84,15 +105,21 @@ config YAFFS_DISABLE_WIDE_TNODES If unsure, say N. -config YAFFS_DISABLE_CHUNK_ERASED_CHECK - bool "Turn off debug chunk erase check" +config YAFFS_ALWAYS_CHECK_CHUNK_ERASED + bool "Force chunk erase check" depends on YAFFS_FS - default y + default n help - Enabling this turns off the test that chunks are erased in flash - before writing to them. This is safe, since the write verification - will fail. Suggest enabling the test (ie. say N) - during development to help debug things. + Normally YAFFS only checks chunks before writing until an erased + chunk is found. This helps to detect any partially written chunks + that might have happened due to power loss. + + 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. If unsure, say Y.