diff options
Diffstat (limited to 'fs/Kconfig')
| -rw-r--r-- | fs/Kconfig | 137 |
1 files changed, 95 insertions, 42 deletions
diff --git a/fs/Kconfig b/fs/Kconfig index 522469a7eca3..51307b0fdf0f 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -189,6 +189,8 @@ config OCFS2_FS select CONFIGFS_FS select JBD2 select CRC32 + select QUOTA + select QUOTA_TREE help OCFS2 is a general purpose extent based shared disk cluster file system with many similarities to ext3. It supports 64 bit inode @@ -258,56 +260,37 @@ config OCFS2_DEBUG_FS this option for debugging only as it is likely to decrease performance of the filesystem. -config OCFS2_COMPAT_JBD - bool "Use JBD for compatibility" +config OCFS2_FS_POSIX_ACL + bool "OCFS2 POSIX Access Control Lists" depends on OCFS2_FS + select FS_POSIX_ACL default n - select JBD help - The ocfs2 filesystem now uses JBD2 for its journalling. JBD2 - is backwards compatible with JBD. It is safe to say N here. - However, if you really want to use the original JBD, say Y here. - -endif # BLOCK + Posix Access Control Lists (ACLs) support permissions for users and + groups beyond the owner/group/world scheme. -config DNOTIFY - bool "Dnotify support" - default y +config BTRFS_FS + tristate "Btrfs filesystem (EXPERIMENTAL) Unstable disk format" + depends on EXPERIMENTAL + select LIBCRC32C + select ZLIB_INFLATE + select ZLIB_DEFLATE help - Dnotify is a directory-based per-fd file change notification system - that uses signals to communicate events to user-space. There exist - superior alternatives, but some applications may still rely on - dnotify. - - If unsure, say Y. - -config INOTIFY - bool "Inotify file change notification support" - default y - ---help--- - Say Y here to enable inotify support. Inotify is a file change - notification system and a replacement for dnotify. Inotify fixes - numerous shortcomings in dnotify and introduces several new features - including multiple file events, one-shot support, and unmount - notification. + Btrfs is a new filesystem with extents, writable snapshotting, + support for multiple devices and many more features. - For more information, see <file:Documentation/filesystems/inotify.txt> + Btrfs is highly experimental, and THE DISK FORMAT IS NOT YET + FINALIZED. You should say N here unless you are interested in + testing Btrfs with non-critical data. - If unsure, say Y. + To compile this file system support as a module, choose M here. The + module will be called btrfs. -config INOTIFY_USER - bool "Inotify support for userspace" - depends on INOTIFY - default y - ---help--- - Say Y here to enable inotify support for userspace, including the - associated system calls. Inotify allows monitoring of both files and - directories via a single open fd. Events are read from the file - descriptor, which is also select()- and poll()-able. + If unsure, say N. - For more information, see <file:Documentation/filesystems/inotify.txt> +endif # BLOCK - If unsure, say Y. +source "fs/notify/Kconfig" config QUOTA bool "Quota support" @@ -340,6 +323,10 @@ config PRINT_QUOTA_WARNING Note that this behavior is currently deprecated and may go away in future. Please use notification via netlink socket instead. +# Generic support for tree structured quota files. Seleted when needed. +config QUOTA_TREE + tristate + config QFMT_V1 tristate "Old quota format support" depends on QUOTA @@ -351,6 +338,7 @@ config QFMT_V1 config QFMT_V2 tristate "Quota format v2 support" depends on QUOTA + select QUOTA_TREE help This quota format allows using quotas with 32-bit UIDs/GIDs. If you need this functionality say Y here. @@ -752,7 +740,20 @@ config CONFIGFS_FS endmenu -menu "Miscellaneous filesystems" +menuconfig MISC_FILESYSTEMS + bool "Miscellaneous filesystems" + default y + ---help--- + Say Y here to get to see options for various miscellaneous + filesystems, such as filesystems that came from other + operating systems. + + This option alone does not add any kernel code. + + If you say N, all options in this submenu will be skipped and + disabled; if unsure, say Y here. + +if MISC_FILESYSTEMS config ADFS_FS tristate "ADFS file system support (EXPERIMENTAL)" @@ -931,6 +932,58 @@ config CRAMFS If unsure, say N. +config SQUASHFS + tristate "SquashFS 4.0 - Squashed file system support" + depends on BLOCK + select ZLIB_INFLATE + help + Saying Y here includes support for SquashFS 4.0 (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 1 Mbytes (default + block size 128K). SquashFS 4.0 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 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 <file:Documentation/modules.txt>. 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 option for memory-constrained systems" + depends on SQUASHFS + default n + help + Saying Y here allows you to specify cache size. + + 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. + config VXFS_FS tristate "FreeVxFS file system support (VERITAS VxFS(TM) compatible)" depends on BLOCK @@ -1122,7 +1175,7 @@ config UFS_DEBUG Y here. This will result in _many_ additional debugging messages to be written to the system log. -endmenu +endif # MISC_FILESYSTEMS menuconfig NETWORK_FILESYSTEMS bool "Network File Systems" |