[JFFS2] Move JFFS2 config options out of fs/Kconfig

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

diff --git a/fs/Kconfig b/fs/Kconfig
index d387358..5831f9c 100644 (file)
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -1136,195 +1136,7 @@ config EFS_FS
          To compile the EFS file system support as a module, choose M here: the
          module will be called efs.
 
-config JFFS2_FS
-       tristate "Journalling Flash File System v2 (JFFS2) support"
-       select CRC32
-       depends on MTD
-       help
-         JFFS2 is the second generation of the Journalling Flash File System
-         for use on diskless embedded devices. It provides improved wear
-         levelling, compression and support for hard links. You cannot use
-         this on normal block devices, only on 'MTD' devices.
-
-         Further information on the design and implementation of JFFS2 is
-         available at <http://sources.redhat.com/jffs2/>.
-
-config JFFS2_FS_DEBUG
-       int "JFFS2 debugging verbosity (0 = quiet, 2 = noisy)"
-       depends on JFFS2_FS
-       default "0"
-       help
-         This controls the amount of debugging messages produced by the JFFS2
-         code. Set it to zero for use in production systems. For evaluation,
-         testing and debugging, it's advisable to set it to one. This will
-         enable a few assertions and will print debugging messages at the
-         KERN_DEBUG loglevel, where they won't normally be visible. Level 2
-         is unlikely to be useful - it enables extra debugging in certain
-         areas which at one point needed debugging, but when the bugs were
-         located and fixed, the detailed messages were relegated to level 2.
-
-         If reporting bugs, please try to have available a full dump of the
-         messages at debug level 1 while the misbehaviour was occurring.
-
-config JFFS2_FS_WRITEBUFFER
-       bool "JFFS2 write-buffering support"
-       depends on JFFS2_FS
-       default y
-       help
-         This enables the write-buffering support in JFFS2.
-
-         This functionality is required to support JFFS2 on the following
-         types of flash devices:
-           - NAND flash
-           - NOR flash with transparent ECC
-           - DataFlash
-
-config JFFS2_FS_WBUF_VERIFY
-       bool "Verify JFFS2 write-buffer reads"
-       depends on JFFS2_FS_WRITEBUFFER
-       default n
-       help
-         This causes JFFS2 to read back every page written through the
-         write-buffer, and check for errors.
-
-config JFFS2_SUMMARY
-       bool "JFFS2 summary support (EXPERIMENTAL)"
-       depends on JFFS2_FS && EXPERIMENTAL
-       default n
-       help
-         This feature makes it possible to use summary information
-         for faster filesystem mount.
-
-         The summary information can be inserted into a filesystem image
-         by the utility 'sumtool'.
-
-         If unsure, say 'N'.
-
-config JFFS2_FS_XATTR
-       bool "JFFS2 XATTR support (EXPERIMENTAL)"
-       depends on JFFS2_FS && EXPERIMENTAL
-       default n
-       help
-         Extended attributes are name:value pairs associated with inodes by
-         the kernel or by users (see the attr(5) manual page, or visit
-         <http://acl.bestbits.at/> for details).
-
-         If unsure, say N.
-
-config JFFS2_FS_POSIX_ACL
-       bool "JFFS2 POSIX Access Control Lists"
-       depends on JFFS2_FS_XATTR
-       default y
-       select FS_POSIX_ACL
-       help
-         Posix Access Control Lists (ACLs) support permissions for users and
-         groups beyond the owner/group/world scheme.
-
-         To learn more about Access Control Lists, visit the Posix ACLs for
-         Linux website <http://acl.bestbits.at/>.
-
-         If you don't know what Access Control Lists are, say N
-
-config JFFS2_FS_SECURITY
-       bool "JFFS2 Security Labels"
-       depends on JFFS2_FS_XATTR
-       default y
-       help
-         Security labels support alternative access control models
-         implemented by security modules like SELinux.  This option
-         enables an extended attribute handler for file security
-         labels in the jffs2 filesystem.
-
-         If you are not using a security module that requires using
-         extended attributes for file security labels, say N.
-
-config JFFS2_COMPRESSION_OPTIONS
-       bool "Advanced compression options for JFFS2"
-       depends on JFFS2_FS
-       default n
-       help
-         Enabling this option allows you to explicitly choose which
-         compression modules, if any, are enabled in JFFS2. Removing
-         compressors can mean you cannot read existing file systems,
-         and enabling experimental compressors can mean that you
-         write a file system which cannot be read by a standard kernel.
-
-         If unsure, you should _definitely_ say 'N'.
-
-config JFFS2_ZLIB
-       bool "JFFS2 ZLIB compression support" if JFFS2_COMPRESSION_OPTIONS
-       select ZLIB_INFLATE
-       select ZLIB_DEFLATE
-       depends on JFFS2_FS
-       default y
-       help
-         Zlib is designed to be a free, general-purpose, legally unencumbered,
-         lossless data-compression library for use on virtually any computer
-         hardware and operating system. See <http://www.gzip.org/zlib/> for
-         further information.
-
-         Say 'Y' if unsure.
-
-config JFFS2_LZO
-       bool "JFFS2 LZO compression support" if JFFS2_COMPRESSION_OPTIONS
-       select LZO_COMPRESS
-       select LZO_DECOMPRESS
-       depends on JFFS2_FS
-       default n
-       help
-         minilzo-based compression. Generally works better than Zlib.
-
-         This feature was added in July, 2007. Say 'N' if you need
-         compatibility with older bootloaders or kernels.
-
-config JFFS2_RTIME
-       bool "JFFS2 RTIME compression support" if JFFS2_COMPRESSION_OPTIONS
-       depends on JFFS2_FS
-       default y
-       help
-         Rtime does manage to recompress already-compressed data. Say 'Y' if unsure.
-
-config JFFS2_RUBIN
-       bool "JFFS2 RUBIN compression support" if JFFS2_COMPRESSION_OPTIONS
-       depends on JFFS2_FS
-       default n
-       help
-         RUBINMIPS and DYNRUBIN compressors. Say 'N' if unsure.
-
-choice
-       prompt "JFFS2 default compression mode" if JFFS2_COMPRESSION_OPTIONS
-       default JFFS2_CMODE_PRIORITY
-       depends on JFFS2_FS
-       help
-         You can set here the default compression mode of JFFS2 from
-         the available compression modes. Don't touch if unsure.
-
-config JFFS2_CMODE_NONE
-       bool "no compression"
-       help
-         Uses no compression.
-
-config JFFS2_CMODE_PRIORITY
-       bool "priority"
-       help
-         Tries the compressors in a predefined order and chooses the first
-         successful one.
-
-config JFFS2_CMODE_SIZE
-       bool "size (EXPERIMENTAL)"
-       help
-         Tries all compressors and chooses the one which has the smallest
-         result.
-
-config JFFS2_CMODE_FAVOURLZO
-       bool "Favour LZO"
-       help
-         Tries all compressors and chooses the one which has the smallest
-         result but gives some preference to LZO (which has faster
-         decompression) at the expense of size.
-
-endchoice
-
+source "fs/jffs2/Kconfig"
 # UBIFS File system configuration
 source "fs/ubifs/Kconfig"
 

diff --git a/fs/jffs2/Kconfig b/fs/jffs2/Kconfig
new file mode 100644 (file)
index 0000000..6ae169c
--- /dev/null
+++ b/fs/jffs2/Kconfig
@@ -0,0 +1,188 @@
+config JFFS2_FS
+       tristate "Journalling Flash File System v2 (JFFS2) support"
+       select CRC32
+       depends on MTD
+       help
+         JFFS2 is the second generation of the Journalling Flash File System
+         for use on diskless embedded devices. It provides improved wear
+         levelling, compression and support for hard links. You cannot use
+         this on normal block devices, only on 'MTD' devices.
+
+         Further information on the design and implementation of JFFS2 is
+         available at <http://sources.redhat.com/jffs2/>.
+
+config JFFS2_FS_DEBUG
+       int "JFFS2 debugging verbosity (0 = quiet, 2 = noisy)"
+       depends on JFFS2_FS
+       default "0"
+       help
+         This controls the amount of debugging messages produced by the JFFS2
+         code. Set it to zero for use in production systems. For evaluation,
+         testing and debugging, it's advisable to set it to one. This will
+         enable a few assertions and will print debugging messages at the
+         KERN_DEBUG loglevel, where they won't normally be visible. Level 2
+         is unlikely to be useful - it enables extra debugging in certain
+         areas which at one point needed debugging, but when the bugs were
+         located and fixed, the detailed messages were relegated to level 2.
+
+         If reporting bugs, please try to have available a full dump of the
+         messages at debug level 1 while the misbehaviour was occurring.
+
+config JFFS2_FS_WRITEBUFFER
+       bool "JFFS2 write-buffering support"
+       depends on JFFS2_FS
+       default y
+       help
+         This enables the write-buffering support in JFFS2.
+
+         This functionality is required to support JFFS2 on the following
+         types of flash devices:
+           - NAND flash
+           - NOR flash with transparent ECC
+           - DataFlash
+
+config JFFS2_FS_WBUF_VERIFY
+       bool "Verify JFFS2 write-buffer reads"
+       depends on JFFS2_FS_WRITEBUFFER
+       default n
+       help
+         This causes JFFS2 to read back every page written through the
+         write-buffer, and check for errors.
+
+config JFFS2_SUMMARY
+       bool "JFFS2 summary support (EXPERIMENTAL)"
+       depends on JFFS2_FS && EXPERIMENTAL
+       default n
+       help
+         This feature makes it possible to use summary information
+         for faster filesystem mount.
+
+         The summary information can be inserted into a filesystem image
+         by the utility 'sumtool'.
+
+         If unsure, say 'N'.
+
+config JFFS2_FS_XATTR
+       bool "JFFS2 XATTR support (EXPERIMENTAL)"
+       depends on JFFS2_FS && EXPERIMENTAL
+       default n
+       help
+         Extended attributes are name:value pairs associated with inodes by
+         the kernel or by users (see the attr(5) manual page, or visit
+         <http://acl.bestbits.at/> for details).
+
+         If unsure, say N.
+
+config JFFS2_FS_POSIX_ACL
+       bool "JFFS2 POSIX Access Control Lists"
+       depends on JFFS2_FS_XATTR
+       default y
+       select FS_POSIX_ACL
+       help
+         Posix Access Control Lists (ACLs) support permissions for users and
+         groups beyond the owner/group/world scheme.
+
+         To learn more about Access Control Lists, visit the Posix ACLs for
+         Linux website <http://acl.bestbits.at/>.
+
+         If you don't know what Access Control Lists are, say N
+
+config JFFS2_FS_SECURITY
+       bool "JFFS2 Security Labels"
+       depends on JFFS2_FS_XATTR
+       default y
+       help
+         Security labels support alternative access control models
+         implemented by security modules like SELinux.  This option
+         enables an extended attribute handler for file security
+         labels in the jffs2 filesystem.
+
+         If you are not using a security module that requires using
+         extended attributes for file security labels, say N.
+
+config JFFS2_COMPRESSION_OPTIONS
+       bool "Advanced compression options for JFFS2"
+       depends on JFFS2_FS
+       default n
+       help
+         Enabling this option allows you to explicitly choose which
+         compression modules, if any, are enabled in JFFS2. Removing
+         compressors can mean you cannot read existing file systems,
+         and enabling experimental compressors can mean that you
+         write a file system which cannot be read by a standard kernel.
+
+         If unsure, you should _definitely_ say 'N'.
+
+config JFFS2_ZLIB
+       bool "JFFS2 ZLIB compression support" if JFFS2_COMPRESSION_OPTIONS
+       select ZLIB_INFLATE
+       select ZLIB_DEFLATE
+       depends on JFFS2_FS
+       default y
+       help
+         Zlib is designed to be a free, general-purpose, legally unencumbered,
+         lossless data-compression library for use on virtually any computer
+         hardware and operating system. See <http://www.gzip.org/zlib/> for
+         further information.
+
+         Say 'Y' if unsure.
+
+config JFFS2_LZO
+       bool "JFFS2 LZO compression support" if JFFS2_COMPRESSION_OPTIONS
+       select LZO_COMPRESS
+       select LZO_DECOMPRESS
+       depends on JFFS2_FS
+       default n
+       help
+         minilzo-based compression. Generally works better than Zlib.
+
+         This feature was added in July, 2007. Say 'N' if you need
+         compatibility with older bootloaders or kernels.
+
+config JFFS2_RTIME
+       bool "JFFS2 RTIME compression support" if JFFS2_COMPRESSION_OPTIONS
+       depends on JFFS2_FS
+       default y
+       help
+         Rtime does manage to recompress already-compressed data. Say 'Y' if unsure.
+
+config JFFS2_RUBIN
+       bool "JFFS2 RUBIN compression support" if JFFS2_COMPRESSION_OPTIONS
+       depends on JFFS2_FS
+       default n
+       help
+         RUBINMIPS and DYNRUBIN compressors. Say 'N' if unsure.
+
+choice
+       prompt "JFFS2 default compression mode" if JFFS2_COMPRESSION_OPTIONS
+       default JFFS2_CMODE_PRIORITY
+       depends on JFFS2_FS
+       help
+         You can set here the default compression mode of JFFS2 from
+         the available compression modes. Don't touch if unsure.
+
+config JFFS2_CMODE_NONE
+       bool "no compression"
+       help
+         Uses no compression.
+
+config JFFS2_CMODE_PRIORITY
+       bool "priority"
+       help
+         Tries the compressors in a predefined order and chooses the first
+         successful one.
+
+config JFFS2_CMODE_SIZE
+       bool "size (EXPERIMENTAL)"
+       help
+         Tries all compressors and chooses the one which has the smallest
+         result.
+
+config JFFS2_CMODE_FAVOURLZO
+       bool "Favour LZO"
+       help
+         Tries all compressors and chooses the one which has the smallest
+         result but gives some preference to LZO (which has faster
+         decompression) at the expense of size.
+
+endchoice