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kernel: update yaffs code

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Use the latest version of the yaffs code. Fetched from the
yaffs2 git tree and it is based on the following commit:

  commit bc76682d93955cfb33051beb503ad9f8a5450578
  Merge: 3a8580e ffa781d
  Author: Charles Manning <cdhmanning@gmail.com>
  Date:   Thu Jul 11 17:46:25 2013 +1200

      Merge branch 'master' of ssh://www.aleph1.co.uk/home/aleph1/git/yaffs2

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 39084
This commit is contained in:
Gabor Juhos
2013-12-16 07:51:19 +00:00
parent 85755deaf6
commit 7e3644d3cf
108 changed files with 10427 additions and 16358 deletions
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65
target/linux/generic/files/fs/yaffs2/Kconfig
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@@ -1,23 +1,23 @@
#
# YAFFS file system configurations
# yaffs file system configurations
#
config YAFFS_FS
tristate "YAFFS2 file system support"
tristate "yaffs2 file system support"
default n
depends on MTD_BLOCK
select YAFFS_YAFFS1
select YAFFS_YAFFS2
help
YAFFS2, or Yet Another Flash Filing System, is a filing system
yaffs2, or Yet Another Flash File System, is a file system
optimised for NAND Flash chips.
To compile the YAFFS2 file system support as a module, choose M
To compile the yaffs2 file system support as a module, choose M
here: the module will be called yaffs2.
If unsure, say N.
Further information on YAFFS2 is available at
Further information on yaffs2 is available at
<http://www.aleph1.co.uk/yaffs/>.
config YAFFS_YAFFS1
@@ -25,7 +25,7 @@ config YAFFS_YAFFS1
depends on YAFFS_FS
default y
help
Enable YAFFS1 support -- yaffs for 512 byte / page devices
Enable yaffs1 support -- yaffs for 512 byte / page devices
Not needed for 2K-page devices.
@@ -49,11 +49,11 @@ config YAFFS_9BYTE_TAGS
If unsure, say N.
config YAFFS_DOES_ECC
bool "Lets Yaffs do its own ECC"
bool "Lets yaffs do its own ECC"
depends on YAFFS_FS && YAFFS_YAFFS1 && !YAFFS_9BYTE_TAGS
default n
help
This enables Yaffs to use its own ECC functions instead of using
This enables yaffs to use its own ECC functions instead of using
the ones from the generic MTD-NAND driver.
If unsure, say N.
@@ -74,7 +74,7 @@ config YAFFS_YAFFS2
depends on YAFFS_FS
default y
help
Enable YAFFS2 support -- yaffs for >= 2K bytes per page devices
Enable yaffs2 support -- yaffs for >= 2K bytes per page devices
If unsure, say Y.
@@ -91,39 +91,23 @@ config YAFFS_AUTO_YAFFS2
If unsure, say Y.
config YAFFS_DISABLE_TAGS_ECC
bool "Disable YAFFS from doing ECC on tags by default"
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
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_WIDE_TNODES
bool "Turn off wide tnodes"
depends on YAFFS_FS
default n
help
Wide tnodes are only used for NAND arrays >=32MB for 512-byte
page devices and >=128MB for 2k page devices. They use slightly
more RAM but are faster since they eliminate chunk group
searching.
Setting this to 'y' will force tnode width to 16 bits and save
memory but make large arrays slower.
If unsure, say N.
config YAFFS_ALWAYS_CHECK_CHUNK_ERASED
bool "Force chunk erase check"
depends on YAFFS_FS
default n
help
Normally YAFFS only checks chunks before writing until an erased
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.
@@ -136,17 +120,6 @@ config YAFFS_ALWAYS_CHECK_CHUNK_ERASED
If unsure, say Y.
config YAFFS_SHORT_NAMES_IN_RAM
bool "Cache short names in RAM"
depends on YAFFS_FS
default y
help
If this config is set, then short names are stored with the
yaffs_Object. This costs an extra 16 bytes of RAM per object,
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
@@ -177,7 +150,17 @@ config YAFFS_DISABLE_BACKGROUND
If this is set, then background processing is disabled.
Background processing makes many foreground activities faster.
If unsure, say N.
If unsure, say N.
config YAFFS_DISABLE_BAD_BLOCK_MARKING
bool "Disable yaffs2 bad block marking"
depends on YAFFS_FS
default n
help
Useful during early flash bring up to prevent problems causing
lots of bad block marking.
If unsure, say N.
config YAFFS_XATTR
bool "Enable yaffs2 xattr support"
@@ -186,5 +169,3 @@ config YAFFS_XATTR
help
If this is set then yaffs2 will provide xattr support.
If unsure, say Y.