X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2FKconfig;h=e9f181d7ecf9099b3c35056d9b74b5eb8f7a3d7c;hb=a030541d6dd71712d1989c26d9e63a698c64d5d8;hp=7a818f51842cb1bdb8687da9515170ffb653c627;hpb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;p=linux-2.6.git diff --git a/fs/Kconfig b/fs/Kconfig index 7a818f518..e9f181d7e 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -1286,69 +1286,69 @@ config CRAMFS If unsure, say N. config SQUASHFS - tristate "SquashFS 3.1 - Squashed file system support" - select ZLIB_INFLATE - help - Saying Y here includes support for SquashFS 3.1 (a Compressed Read-Only File - System). Squashfs is a highly compressed read-only filesystem for Linux. - It uses zlib compression to compress both files, inodes and directories. - Inodes in the system are very small and all blocks are packed to minimise - data overhead. Block sizes greater than 4K are supported up to a maximum of 64K. - SquashFS 3.1 supports 64 bit filesystems and files (larger than 4GB), full - uid/gid information, hard links and timestamps. - - Squashfs is intended for general read-only filesystem use, for archival - use (i.e. in cases where a .tar.gz file may be used), and in embedded - systems where low overhead is needed. Further information and filesystem tools - are available from http://squashfs.sourceforge.net. - - If you want to compile this as a module ( = code which can be - inserted in and removed from the running kernel whenever you want), - say M here and read . The module - will be called squashfs. Note that the root file system (the one - containing the directory /) cannot be compiled as a module. - - If unsure, say N. + tristate "SquashFS 3.0 - Squashed file system support" + select ZLIB_INFLATE + help + Saying Y here includes support for SquashFS 3.0 (a Compressed Read-Only File + System). Squashfs is a highly compressed read-only filesystem for Linux. + It uses zlib compression to compress both files, inodes and directories. + Inodes in the system are very small and all blocks are packed to minimise + data overhead. Block sizes greater than 4K are supported up to a maximum of 64K. + SquashFS 3.0 supports 64 bit filesystems and files (larger than 4GB), full + uid/gid information, hard links and timestamps. + + Squashfs is intended for general read-only filesystem use, for archival + use (i.e. in cases where a .tar.gz file may be used), and in embedded + systems where low overhead is needed. Further information and filesystem tools + are available from http://squashfs.sourceforge.net. + + If you want to compile this as a module ( = code which can be + inserted in and removed from the running kernel whenever you want), + say M here and read . The module + will be called squashfs. Note that the root file system (the one + containing the directory /) cannot be compiled as a module. + + If unsure, say N. config SQUASHFS_EMBEDDED - bool "Additional options for memory-constrained systems" - depends on SQUASHFS - default n - help - Saying Y here allows you to specify cache sizes and how Squashfs - allocates memory. This is only intended for memory constrained - systems. + bool "Additional options for memory-constrained systems" + depends on SQUASHFS + default n + help + Saying Y here allows you to specify cache sizes and how Squashfs + allocates memory. This is only intended for memory constrained + systems. - If unsure, say N. + If unsure, say N. config SQUASHFS_FRAGMENT_CACHE_SIZE - int "Number of fragments cached" if SQUASHFS_EMBEDDED - depends on SQUASHFS - default "3" - help - By default SquashFS caches the last 3 fragments read from - the filesystem. Increasing this amount may mean SquashFS - has to re-read fragments less often from disk, at the expense - of extra system memory. Decreasing this amount will mean - SquashFS uses less memory at the expense of extra reads from disk. - - Note there must be at least one cached fragment. Anything - much more than three will probably not make much difference. + int "Number of fragments cached" if SQUASHFS_EMBEDDED + depends on SQUASHFS + default "3" + help + By default SquashFS caches the last 3 fragments read from + the filesystem. Increasing this amount may mean SquashFS + has to re-read fragments less often from disk, at the expense + of extra system memory. Decreasing this amount will mean + SquashFS uses less memory at the expense of extra reads from disk. + + Note there must be at least one cached fragment. Anything + much more than three will probably not make much difference. config SQUASHFS_VMALLOC - bool "Use Vmalloc rather than Kmalloc" if SQUASHFS_EMBEDDED - depends on SQUASHFS - default n - help - By default SquashFS uses kmalloc to obtain fragment cache memory. - Kmalloc memory is the standard kernel allocator, but it can fail - on memory constrained systems. Because of the way Vmalloc works, - Vmalloc can succeed when kmalloc fails. Specifying this option - will make SquashFS always use Vmalloc to allocate the - fragment cache memory. - - If unsure, say N. + bool "Use Vmalloc rather than Kmalloc" if SQUASHFS_EMBEDDED + depends on SQUASHFS + default n + help + By default SquashFS uses kmalloc to obtain fragment cache memory. + Kmalloc memory is the standard kernel allocator, but it can fail + on memory constrained systems. Because of the way Vmalloc works, + Vmalloc can succeed when kmalloc fails. Specifying this option + will make SquashFS always use Vmalloc to allocate the + fragment cache memory. + + If unsure, say N. config VXFS_FS tristate "FreeVxFS file system support (VERITAS VxFS(TM) compatible)"