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diff --git a/fs/Kconfig b/fs/Kconfig new file mode 100644 index 000000000000..6a4ad4bb7a54 --- /dev/null +++ b/fs/Kconfig @@ -0,0 +1,1729 @@ +# +# File system configuration +# + +menu "File systems" + +config EXT2_FS + tristate "Second extended fs support" + help + Ext2 is a standard Linux file system for hard disks. + + To compile this file system support as a module, choose M here: the + module will be called ext2. Be aware however that the file system + of your root partition (the one containing the directory /) cannot + be compiled as a module, and so this could be dangerous. + + If unsure, say Y. + +config EXT2_FS_XATTR + bool "Ext2 extended attributes" + depends on EXT2_FS + 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 EXT2_FS_POSIX_ACL + bool "Ext2 POSIX Access Control Lists" + depends on EXT2_FS_XATTR + 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 EXT2_FS_SECURITY + bool "Ext2 Security Labels" + depends on EXT2_FS_XATTR + 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 ext2 filesystem. + + If you are not using a security module that requires using + extended attributes for file security labels, say N. + +config EXT3_FS + tristate "Ext3 journalling file system support" + help + This is the journaling version of the Second extended file system + (often called ext3), the de facto standard Linux file system + (method to organize files on a storage device) for hard disks. + + The journaling code included in this driver means you do not have + to run e2fsck (file system checker) on your file systems after a + crash. The journal keeps track of any changes that were being made + at the time the system crashed, and can ensure that your file system + is consistent without the need for a lengthy check. + + Other than adding the journal to the file system, the on-disk format + of ext3 is identical to ext2. It is possible to freely switch + between using the ext3 driver and the ext2 driver, as long as the + file system has been cleanly unmounted, or e2fsck is run on the file + system. + + To add a journal on an existing ext2 file system or change the + behavior of ext3 file systems, you can use the tune2fs utility ("man + tune2fs"). To modify attributes of files and directories on ext3 + file systems, use chattr ("man chattr"). You need to be using + e2fsprogs version 1.20 or later in order to create ext3 journals + (available at <http://sourceforge.net/projects/e2fsprogs/>). + + To compile this file system support as a module, choose M here: the + module will be called ext3. Be aware however that the file system + of your root partition (the one containing the directory /) cannot + be compiled as a module, and so this may be dangerous. + +config EXT3_FS_XATTR + bool "Ext3 extended attributes" + depends on EXT3_FS + default y + 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. + + You need this for POSIX ACL support on ext3. + +config EXT3_FS_POSIX_ACL + bool "Ext3 POSIX Access Control Lists" + depends on EXT3_FS_XATTR + 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 EXT3_FS_SECURITY + bool "Ext3 Security Labels" + depends on EXT3_FS_XATTR + 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 ext3 filesystem. + + If you are not using a security module that requires using + extended attributes for file security labels, say N. + +config JBD +# CONFIG_JBD could be its own option (even modular), but until there are +# other users than ext3, we will simply make it be the same as CONFIG_EXT3_FS +# dep_tristate ' Journal Block Device support (JBD for ext3)' CONFIG_JBD $CONFIG_EXT3_FS + tristate + default EXT3_FS + help + This is a generic journaling layer for block devices. It is + currently used by the ext3 file system, but it could also be used to + add journal support to other file systems or block devices such as + RAID or LVM. + + If you are using the ext3 file system, you need to say Y here. If + you are not using ext3 then you will probably want to say N. + + To compile this device as a module, choose M here: the module will be + called jbd. If you are compiling ext3 into the kernel, you cannot + compile this code as a module. + +config JBD_DEBUG + bool "JBD (ext3) debugging support" + depends on JBD + help + If you are using the ext3 journaled file system (or potentially any + other file system/device using JBD), this option allows you to + enable debugging output while the system is running, in order to + help track down any problems you are having. By default the + debugging output will be turned off. + + If you select Y here, then you will be able to turn on debugging + with "echo N > /proc/sys/fs/jbd-debug", where N is a number between + 1 and 5, the higher the number, the more debugging output is + generated. To turn debugging off again, do + "echo 0 > /proc/sys/fs/jbd-debug". + +config FS_MBCACHE +# Meta block cache for Extended Attributes (ext2/ext3) + tristate + depends on EXT2_FS_XATTR || EXT3_FS_XATTR + default y if EXT2_FS=y || EXT3_FS=y + default m if EXT2_FS=m || EXT3_FS=m + +config REISERFS_FS + tristate "Reiserfs support" + help + Stores not just filenames but the files themselves in a balanced + tree. Uses journaling. + + Balanced trees are more efficient than traditional file system + architectural foundations. + + In general, ReiserFS is as fast as ext2, but is very efficient with + large directories and small files. Additional patches are needed + for NFS and quotas, please see <http://www.namesys.com/> for links. + + It is more easily extended to have features currently found in + database and keyword search systems than block allocation based file + systems are. The next version will be so extended, and will support + plugins consistent with our motto ``It takes more than a license to + make source code open.'' + + Read <http://www.namesys.com/> to learn more about reiserfs. + + Sponsored by Threshold Networks, Emusic.com, and Bigstorage.com. + + If you like it, you can pay us to add new features to it that you + need, buy a support contract, or pay us to port it to another OS. + +config REISERFS_CHECK + bool "Enable reiserfs debug mode" + depends on REISERFS_FS + help + If you set this to Y, then ReiserFS will perform every check it can + possibly imagine of its internal consistency throughout its + operation. It will also go substantially slower. More than once we + have forgotten that this was on, and then gone despondent over the + latest benchmarks.:-) Use of this option allows our team to go all + out in checking for consistency when debugging without fear of its + effect on end users. If you are on the verge of sending in a bug + report, say Y and you might get a useful error message. Almost + everyone should say N. + +config REISERFS_PROC_INFO + bool "Stats in /proc/fs/reiserfs" + depends on REISERFS_FS + help + Create under /proc/fs/reiserfs a hierarchy of files, displaying + various ReiserFS statistics and internal data at the expense of + making your kernel or module slightly larger (+8 KB). This also + increases the amount of kernel memory required for each mount. + Almost everyone but ReiserFS developers and people fine-tuning + reiserfs or tracing problems should say N. + +config REISERFS_FS_XATTR + bool "ReiserFS extended attributes" + depends on REISERFS_FS + 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 REISERFS_FS_POSIX_ACL + bool "ReiserFS POSIX Access Control Lists" + depends on REISERFS_FS_XATTR + 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 REISERFS_FS_SECURITY + bool "ReiserFS Security Labels" + depends on REISERFS_FS_XATTR + 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 ReiserFS filesystem. + + If you are not using a security module that requires using + extended attributes for file security labels, say N. + +config JFS_FS + tristate "JFS filesystem support" + select NLS + help + This is a port of IBM's Journaled Filesystem . More information is + available in the file <file:Documentation/filesystems/jfs.txt>. + + If you do not intend to use the JFS filesystem, say N. + +config JFS_POSIX_ACL + bool "JFS POSIX Access Control Lists" + depends on JFS_FS + 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 JFS_SECURITY + bool "JFS Security Labels" + depends on JFS_FS + 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 jfs filesystem. + + If you are not using a security module that requires using + extended attributes for file security labels, say N. + +config JFS_DEBUG + bool "JFS debugging" + depends on JFS_FS + help + If you are experiencing any problems with the JFS filesystem, say + Y here. This will result in additional debugging messages to be + written to the system log. Under normal circumstances, this + results in very little overhead. + +config JFS_STATISTICS + bool "JFS statistics" + depends on JFS_FS + help + Enabling this option will cause statistics from the JFS file system + to be made available to the user in the /proc/fs/jfs/ directory. + +config FS_POSIX_ACL +# Posix ACL utility routines (for now, only ext2/ext3/jfs/reiserfs) +# +# NOTE: you can implement Posix ACLs without these helpers (XFS does). +# Never use this symbol for ifdefs. +# + bool + depends on EXT2_FS_POSIX_ACL || EXT3_FS_POSIX_ACL || JFS_POSIX_ACL || REISERFS_FS_POSIX_ACL || NFSD_V4 + default y + +source "fs/xfs/Kconfig" + +config MINIX_FS + tristate "Minix fs support" + help + Minix is a simple operating system used in many classes about OS's. + The minix file system (method to organize files on a hard disk + partition or a floppy disk) was the original file system for Linux, + but has been superseded by the second extended file system ext2fs. + You don't want to use the minix file system on your hard disk + because of certain built-in restrictions, but it is sometimes found + on older Linux floppy disks. This option will enlarge your kernel + by about 28 KB. If unsure, say N. + + To compile this file system support as a module, choose M here: the + module will be called minix. Note that the file system of your root + partition (the one containing the directory /) cannot be compiled as + a module. + +config ROMFS_FS + tristate "ROM file system support" + ---help--- + This is a very small read-only file system mainly intended for + initial ram disks of installation disks, but it could be used for + other read-only media as well. Read + <file:Documentation/filesystems/romfs.txt> for details. + + To compile this file system support as a module, choose M here: the + module will be called romfs. Note that the file system of your + root partition (the one containing the directory /) cannot be a + module. + + If you don't know whether you need it, then you don't need it: + answer N. + +config QUOTA + bool "Quota support" + help + If you say Y here, you will be able to set per user limits for disk + usage (also called disk quotas). Currently, it works for the + ext2, ext3, and reiserfs file system. ext3 also supports journalled + quotas for which you don't need to run quotacheck(8) after an unclean + shutdown. You need additional software in order to use quota support + (you can download sources from + <http://www.sf.net/projects/linuxquota/>). For further details, read + the Quota mini-HOWTO, available from + <http://www.tldp.org/docs.html#howto>, or the documentation provided + with the quota tools. Probably the quota support is only useful for + multi user systems. If unsure, say N. + +config QFMT_V1 + tristate "Old quota format support" + depends on QUOTA + help + This quota format was (is) used by kernels earlier than 2.4.22. If + you have quota working and you don't want to convert to new quota + format say Y here. + +config QFMT_V2 + tristate "Quota format v2 support" + depends on QUOTA + help + This quota format allows using quotas with 32-bit UIDs/GIDs. If you + need this functionality say Y here. Note that you will need recent + quota utilities (>= 3.01) for new quota format with this kernel. + +config QUOTACTL + bool + depends on XFS_QUOTA || QUOTA + default y + +config DNOTIFY + bool "Dnotify support" if EMBEDDED + default y + 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. + + Because of this, if unsure, say Y. + +config AUTOFS_FS + tristate "Kernel automounter support" + help + The automounter is a tool to automatically mount remote file systems + on demand. This implementation is partially kernel-based to reduce + overhead in the already-mounted case; this is unlike the BSD + automounter (amd), which is a pure user space daemon. + + To use the automounter you need the user-space tools from the autofs + package; you can find the location in <file:Documentation/Changes>. + You also want to answer Y to "NFS file system support", below. + + If you want to use the newer version of the automounter with more + features, say N here and say Y to "Kernel automounter v4 support", + below. + + To compile this support as a module, choose M here: the module will be + called autofs. + + If you are not a part of a fairly large, distributed network, you + probably do not need an automounter, and can say N here. + +config AUTOFS4_FS + tristate "Kernel automounter version 4 support (also supports v3)" + help + The automounter is a tool to automatically mount remote file systems + on demand. This implementation is partially kernel-based to reduce + overhead in the already-mounted case; this is unlike the BSD + automounter (amd), which is a pure user space daemon. + + To use the automounter you need the user-space tools from + <ftp://ftp.kernel.org/pub/linux/daemons/autofs/v4/>; you also + want to answer Y to "NFS file system support", below. + + To compile this support as a module, choose M here: the module will be + called autofs4. You will need to add "alias autofs autofs4" to your + modules configuration file. + + If you are not a part of a fairly large, distributed network or + don't have a laptop which needs to dynamically reconfigure to the + local network, you probably do not need an automounter, and can say + N here. + +menu "CD-ROM/DVD Filesystems" + +config ISO9660_FS + tristate "ISO 9660 CDROM file system support" + help + This is the standard file system used on CD-ROMs. It was previously + known as "High Sierra File System" and is called "hsfs" on other + Unix systems. The so-called Rock-Ridge extensions which allow for + long Unix filenames and symbolic links are also supported by this + driver. If you have a CD-ROM drive and want to do more with it than + just listen to audio CDs and watch its LEDs, say Y (and read + <file:Documentation/filesystems/isofs.txt> and the CD-ROM-HOWTO, + available from <http://www.tldp.org/docs.html#howto>), thereby + enlarging your kernel by about 27 KB; otherwise say N. + + To compile this file system support as a module, choose M here: the + module will be called isofs. + +config JOLIET + bool "Microsoft Joliet CDROM extensions" + depends on ISO9660_FS + select NLS + help + Joliet is a Microsoft extension for the ISO 9660 CD-ROM file system + which allows for long filenames in unicode format (unicode is the + new 16 bit character code, successor to ASCII, which encodes the + characters of almost all languages of the world; see + <http://www.unicode.org/> for more information). Say Y here if you + want to be able to read Joliet CD-ROMs under Linux. + +config ZISOFS + bool "Transparent decompression extension" + depends on ISO9660_FS + select ZLIB_INFLATE + help + This is a Linux-specific extension to RockRidge which lets you store + data in compressed form on a CD-ROM and have it transparently + decompressed when the CD-ROM is accessed. See + <http://www.kernel.org/pub/linux/utils/fs/zisofs/> for the tools + necessary to create such a filesystem. Say Y here if you want to be + able to read such compressed CD-ROMs. + +config ZISOFS_FS +# for fs/nls/Config.in + tristate + depends on ZISOFS + default ISO9660_FS + +config UDF_FS + tristate "UDF file system support" + help + This is the new file system used on some CD-ROMs and DVDs. Say Y if + you intend to mount DVD discs or CDRW's written in packet mode, or + if written to by other UDF utilities, such as DirectCD. + Please read <file:Documentation/filesystems/udf.txt>. + + To compile this file system support as a module, choose M here: the + module will be called udf. + + If unsure, say N. + +config UDF_NLS + bool + default y + depends on (UDF_FS=m && NLS) || (UDF_FS=y && NLS=y) + +endmenu + +menu "DOS/FAT/NT Filesystems" + +config FAT_FS + tristate + select NLS + help + If you want to use one of the FAT-based file systems (the MS-DOS and + VFAT (Windows 95) file systems), then you must say Y or M here + to include FAT support. You will then be able to mount partitions or + diskettes with FAT-based file systems and transparently access the + files on them, i.e. MSDOS files will look and behave just like all + other Unix files. + + This FAT support is not a file system in itself, it only provides + the foundation for the other file systems. You will have to say Y or + M to at least one of "MSDOS fs support" or "VFAT fs support" in + order to make use of it. + + Another way to read and write MSDOS floppies and hard drive + partitions from within Linux (but not transparently) is with the + mtools ("man mtools") program suite. You don't need to say Y here in + order to do that. + + If you need to move large files on floppies between a DOS and a + Linux box, say Y here, mount the floppy under Linux with an MSDOS + file system and use GNU tar's M option. GNU tar is a program + available for Unix and DOS ("man tar" or "info tar"). + + It is now also becoming possible to read and write compressed FAT + file systems; read <file:Documentation/filesystems/fat_cvf.txt> for + details. + + The FAT support will enlarge your kernel by about 37 KB. If unsure, + say Y. + + To compile this as a module, choose M here: the module will be called + fat. Note that if you compile the FAT support as a module, you + cannot compile any of the FAT-based file systems into the kernel + -- they will have to be modules as well. + +config MSDOS_FS + tristate "MSDOS fs support" + select FAT_FS + help + This allows you to mount MSDOS partitions of your hard drive (unless + they are compressed; to access compressed MSDOS partitions under + Linux, you can either use the DOS emulator DOSEMU, described in the + DOSEMU-HOWTO, available from + <http://www.tldp.org/docs.html#howto>, or try dmsdosfs in + <ftp://ibiblio.org/pub/Linux/system/filesystems/dosfs/>. If you + intend to use dosemu with a non-compressed MSDOS partition, say Y + here) and MSDOS floppies. This means that file access becomes + transparent, i.e. the MSDOS files look and behave just like all + other Unix files. + + If you have Windows 95 or Windows NT installed on your MSDOS + partitions, you should use the VFAT file system (say Y to "VFAT fs + support" below), or you will not be able to see the long filenames + generated by Windows 95 / Windows NT. + + This option will enlarge your kernel by about 7 KB. If unsure, + answer Y. This will only work if you said Y to "DOS FAT fs support" + as well. To compile this as a module, choose M here: the module will + be called msdos. + +config VFAT_FS + tristate "VFAT (Windows-95) fs support" + select FAT_FS + help + This option provides support for normal Windows file systems with + long filenames. That includes non-compressed FAT-based file systems + used by Windows 95, Windows 98, Windows NT 4.0, and the Unix + programs from the mtools package. + + The VFAT support enlarges your kernel by about 10 KB and it only + works if you said Y to the "DOS FAT fs support" above. Please read + the file <file:Documentation/filesystems/vfat.txt> for details. If + unsure, say Y. + + To compile this as a module, choose M here: the module will be called + vfat. + +config FAT_DEFAULT_CODEPAGE + int "Default codepage for FAT" + depends on MSDOS_FS || VFAT_FS + default 437 + help + This option should be set to the codepage of your FAT filesystems. + It can be overridden with the "codepage" mount option. + See <file:Documentation/filesystems/vfat.txt> for more information. + +config FAT_DEFAULT_IOCHARSET + string "Default iocharset for FAT" + depends on VFAT_FS + default "iso8859-1" + help + Set this to the default input/output character set you'd + like FAT to use. It should probably match the character set + that most of your FAT filesystems use, and can be overridden + with the "iocharset" mount option for FAT filesystems. + Note that "utf8" is not recommended for FAT filesystems. + If unsure, you shouldn't set "utf8" here. + See <file:Documentation/filesystems/vfat.txt> for more information. + +config NTFS_FS + tristate "NTFS file system support" + select NLS + help + NTFS is the file system of Microsoft Windows NT, 2000, XP and 2003. + + Saying Y or M here enables read support. There is partial, but + safe, write support available. For write support you must also + say Y to "NTFS write support" below. + + There are also a number of user-space tools available, called + ntfsprogs. These include ntfsundelete and ntfsresize, that work + without NTFS support enabled in the kernel. + + This is a rewrite from scratch of Linux NTFS support and replaced + the old NTFS code starting with Linux 2.5.11. A backport to + the Linux 2.4 kernel series is separately available as a patch + from the project web site. + + For more information see <file:Documentation/filesystems/ntfs.txt> + and <http://linux-ntfs.sourceforge.net/>. + + To compile this file system support as a module, choose M here: the + module will be called ntfs. + + If you are not using Windows NT, 2000, XP or 2003 in addition to + Linux on your computer it is safe to say N. + +config NTFS_DEBUG + bool "NTFS debugging support" + depends on NTFS_FS + help + If you are experiencing any problems with the NTFS file system, say + Y here. This will result in additional consistency checks to be + performed by the driver as well as additional debugging messages to + be written to the system log. Note that debugging messages are + disabled by default. To enable them, supply the option debug_msgs=1 + at the kernel command line when booting the kernel or as an option + to insmod when loading the ntfs module. Once the driver is active, + you can enable debugging messages by doing (as root): + echo 1 > /proc/sys/fs/ntfs-debug + Replacing the "1" with "0" would disable debug messages. + + If you leave debugging messages disabled, this results in little + overhead, but enabling debug messages results in very significant + slowdown of the system. + + When reporting bugs, please try to have available a full dump of + debugging messages while the misbehaviour was occurring. + +config NTFS_RW + bool "NTFS write support" + depends on NTFS_FS + help + This enables the partial, but safe, write support in the NTFS driver. + + The only supported operation is overwriting existing files, without + changing the file length. No file or directory creation, deletion or + renaming is possible. Note only non-resident files can be written to + so you may find that some very small files (<500 bytes or so) cannot + be written to. + + While we cannot guarantee that it will not damage any data, we have + so far not received a single report where the driver would have + damaged someones data so we assume it is perfectly safe to use. + + Note: While write support is safe in this version (a rewrite from + scratch of the NTFS support), it should be noted that the old NTFS + write support, included in Linux 2.5.10 and before (since 1997), + is not safe. + + This is currently useful with TopologiLinux. TopologiLinux is run + on top of any DOS/Microsoft Windows system without partitioning your + hard disk. Unlike other Linux distributions TopologiLinux does not + need its own partition. For more information see + <http://topologi-linux.sourceforge.net/> + + It is perfectly safe to say N here. + +endmenu + +menu "Pseudo filesystems" + +config PROC_FS + bool "/proc file system support" + help + This is a virtual file system providing information about the status + of the system. "Virtual" means that it doesn't take up any space on + your hard disk: the files are created on the fly by the kernel when + you try to access them. Also, you cannot read the files with older + version of the program less: you need to use more or cat. + + It's totally cool; for example, "cat /proc/interrupts" gives + information about what the different IRQs are used for at the moment + (there is a small number of Interrupt ReQuest lines in your computer + that are used by the attached devices to gain the CPU's attention -- + often a source of trouble if two devices are mistakenly configured + to use the same IRQ). The program procinfo to display some + information about your system gathered from the /proc file system. + + Before you can use the /proc file system, it has to be mounted, + meaning it has to be given a location in the directory hierarchy. + That location should be /proc. A command such as "mount -t proc proc + /proc" or the equivalent line in /etc/fstab does the job. + + The /proc file system is explained in the file + <file:Documentation/filesystems/proc.txt> and on the proc(5) manpage + ("man 5 proc"). + + This option will enlarge your kernel by about 67 KB. Several + programs depend on this, so everyone should say Y here. + +config PROC_KCORE + bool "/proc/kcore support" if !ARM + depends on PROC_FS && MMU + +config SYSFS + bool "sysfs file system support" if EMBEDDED + default y + help + The sysfs filesystem is a virtual filesystem that the kernel uses to + export internal kernel objects, their attributes, and their + relationships to one another. + + Users can use sysfs to ascertain useful information about the running + kernel, such as the devices the kernel has discovered on each bus and + which driver each is bound to. sysfs can also be used to tune devices + and other kernel subsystems. + + Some system agents rely on the information in sysfs to operate. + /sbin/hotplug uses device and object attributes in sysfs to assist in + delegating policy decisions, like persistantly naming devices. + + sysfs is currently used by the block subsystem to mount the root + partition. If sysfs is disabled you must specify the boot device on + the kernel boot command line via its major and minor numbers. For + example, "root=03:01" for /dev/hda1. + + Designers of embedded systems may wish to say N here to conserve space. + +config DEVFS_FS + bool "/dev file system support (OBSOLETE)" + depends on EXPERIMENTAL + help + This is support for devfs, a virtual file system (like /proc) which + provides the file system interface to device drivers, normally found + in /dev. Devfs does not depend on major and minor number + allocations. Device drivers register entries in /dev which then + appear automatically, which means that the system administrator does + not have to create character and block special device files in the + /dev directory using the mknod command (or MAKEDEV script) anymore. + + This is work in progress. If you want to use this, you *must* read + the material in <file:Documentation/filesystems/devfs/>, especially + the file README there. + + Note that devfs no longer manages /dev/pts! If you are using UNIX98 + ptys, you will also need to mount the /dev/pts filesystem (devpts). + + Note that devfs has been obsoleted by udev, + <http://www.kernel.org/pub/linux/utils/kernel/hotplug/>. + It has been stripped down to a bare minimum and is only provided for + legacy installations that use its naming scheme which is + unfortunately different from the names normal Linux installations + use. + + If unsure, say N. + +config DEVFS_MOUNT + bool "Automatically mount at boot" + depends on DEVFS_FS + help + This option appears if you have CONFIG_DEVFS_FS enabled. Setting + this to 'Y' will make the kernel automatically mount devfs onto /dev + when the system is booted, before the init thread is started. + You can override this with the "devfs=nomount" boot option. + + If unsure, say N. + +config DEVFS_DEBUG + bool "Debug devfs" + depends on DEVFS_FS + help + If you say Y here, then the /dev file system code will generate + debugging messages. See the file + <file:Documentation/filesystems/devfs/boot-options> for more + details. + + If unsure, say N. + +config DEVPTS_FS_XATTR + bool "/dev/pts Extended Attributes" + depends on UNIX98_PTYS + 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 DEVPTS_FS_SECURITY + bool "/dev/pts Security Labels" + depends on DEVPTS_FS_XATTR + 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 /dev/pts filesystem. + + If you are not using a security module that requires using + extended attributes for file security labels, say N. + +config TMPFS + bool "Virtual memory file system support (former shm fs)" + help + Tmpfs is a file system which keeps all files in virtual memory. + + Everything in tmpfs is temporary in the sense that no files will be + created on your hard drive. The files live in memory and swap + space. If you unmount a tmpfs instance, everything stored therein is + lost. + + See <file:Documentation/filesystems/tmpfs.txt> for details. + +config TMPFS_XATTR + bool "tmpfs Extended Attributes" + depends on TMPFS + 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 TMPFS_SECURITY + bool "tmpfs Security Labels" + depends on TMPFS_XATTR + 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 tmpfs filesystem. + If you are not using a security module that requires using + extended attributes for file security labels, say N. + +config HUGETLBFS + bool "HugeTLB file system support" + depends X86 || IA64 || PPC64 || SPARC64 || SUPERH || X86_64 || BROKEN + +config HUGETLB_PAGE + def_bool HUGETLBFS + +config RAMFS + bool + default y + ---help--- + Ramfs is a file system which keeps all files in RAM. It allows + read and write access. + + It is more of an programming example than a useable file system. If + you need a file system which lives in RAM with limit checking use + tmpfs. + + To compile this as a module, choose M here: the module will be called + ramfs. + +endmenu + +menu "Miscellaneous filesystems" + +config ADFS_FS + tristate "ADFS file system support (EXPERIMENTAL)" + depends on EXPERIMENTAL + help + The Acorn Disc Filing System is the standard file system of the + RiscOS operating system which runs on Acorn's ARM-based Risc PC + systems and the Acorn Archimedes range of machines. If you say Y + here, Linux will be able to read from ADFS partitions on hard drives + and from ADFS-formatted floppy discs. If you also want to be able to + write to those devices, say Y to "ADFS write support" below. + + The ADFS partition should be the first partition (i.e., + /dev/[hs]d?1) on each of your drives. Please read the file + <file:Documentation/filesystems/adfs.txt> for further details. + + To compile this code as a module, choose M here: the module will be + called adfs. + + If unsure, say N. + +config ADFS_FS_RW + bool "ADFS write support (DANGEROUS)" + depends on ADFS_FS + help + If you say Y here, you will be able to write to ADFS partitions on + hard drives and ADFS-formatted floppy disks. This is experimental + codes, so if you're unsure, say N. + +config AFFS_FS + tristate "Amiga FFS file system support (EXPERIMENTAL)" + depends on EXPERIMENTAL + help + The Fast File System (FFS) is the common file system used on hard + disks by Amiga(tm) systems since AmigaOS Version 1.3 (34.20). Say Y + if you want to be able to read and write files from and to an Amiga + FFS partition on your hard drive. Amiga floppies however cannot be + read with this driver due to an incompatibility of the floppy + controller used in an Amiga and the standard floppy controller in + PCs and workstations. Read <file:Documentation/filesystems/affs.txt> + and <file:fs/affs/Changes>. + + With this driver you can also mount disk files used by Bernd + Schmidt's Un*X Amiga Emulator + (<http://www.freiburg.linux.de/~uae/>). + If you want to do this, you will also need to say Y or M to "Loop + device support", above. + + To compile this file system support as a module, choose M here: the + module will be called affs. If unsure, say N. + +config HFS_FS + tristate "Apple Macintosh file system support (EXPERIMENTAL)" + depends on EXPERIMENTAL + help + If you say Y here, you will be able to mount Macintosh-formatted + floppy disks and hard drive partitions with full read-write access. + Please read <file:fs/hfs/HFS.txt> to learn about the available mount + options. + + To compile this file system support as a module, choose M here: the + module will be called hfs. + +config HFSPLUS_FS + tristate "Apple Extended HFS file system support" + select NLS + select NLS_UTF8 + help + If you say Y here, you will be able to mount extended format + Macintosh-formatted hard drive partitions with full read-write access. + + This file system is often called HFS+ and was introduced with + MacOS 8. It includes all Mac specific filesystem data such as + data forks and creator codes, but it also has several UNIX + style features such as file ownership and permissions. + +config BEFS_FS + tristate "BeOS file system (BeFS) support (read only) (EXPERIMENTAL)" + depends on EXPERIMENTAL + select NLS + help + The BeOS File System (BeFS) is the native file system of Be, Inc's + BeOS. Notable features include support for arbitrary attributes + on files and directories, and database-like indeces on selected + attributes. (Also note that this driver doesn't make those features + available at this time). It is a 64 bit filesystem, so it supports + extremly large volumes and files. + + If you use this filesystem, you should also say Y to at least one + of the NLS (native language support) options below. + + If you don't know what this is about, say N. + + To compile this as a module, choose M here: the module will be + called befs. + +config BEFS_DEBUG + bool "Debug BeFS" + depends on BEFS_FS + help + If you say Y here, you can use the 'debug' mount option to enable + debugging output from the driver. + +config BFS_FS + tristate "BFS file system support (EXPERIMENTAL)" + depends on EXPERIMENTAL + help + Boot File System (BFS) is a file system used under SCO UnixWare to + allow the bootloader access to the kernel image and other important + files during the boot process. It is usually mounted under /stand + and corresponds to the slice marked as "STAND" in the UnixWare + partition. You should say Y if you want to read or write the files + on your /stand slice from within Linux. You then also need to say Y + to "UnixWare slices support", below. More information about the BFS + file system is contained in the file + <file:Documentation/filesystems/bfs.txt>. + + If you don't know what this is about, say N. + + To compile this as a module, choose M here: the module will be called + bfs. Note that the file system of your root partition (the one + containing the directory /) cannot be compiled as a module. + + + +config EFS_FS + tristate "EFS file system support (read only) (EXPERIMENTAL)" + depends on EXPERIMENTAL + help + EFS is an older file system used for non-ISO9660 CD-ROMs and hard + disk partitions by SGI's IRIX operating system (IRIX 6.0 and newer + uses the XFS file system for hard disk partitions however). + + This implementation only offers read-only access. If you don't know + what all this is about, it's safe to say N. For more information + about EFS see its home page at <http://aeschi.ch.eu.org/efs/>. + + To compile the EFS file system support as a module, choose M here: the + module will be called efs. + +config JFFS_FS + tristate "Journalling Flash File System (JFFS) support" + depends on MTD + help + JFFS is the Journaling Flash File System developed by Axis + Communications in Sweden, aimed at providing a crash/powerdown-safe + file system for disk-less embedded devices. Further information is + available at (<http://developer.axis.com/software/jffs/>). + +config JFFS_FS_VERBOSE + int "JFFS debugging verbosity (0 = quiet, 3 = noisy)" + depends on JFFS_FS + default "0" + help + Determines the verbosity level of the JFFS debugging messages. + +config JFFS_PROC_FS + bool "JFFS stats available in /proc filesystem" + depends on JFFS_FS && PROC_FS + help + Enabling this option will cause statistics from mounted JFFS file systems + to be made available to the user in the /proc/fs/jffs/ directory. + +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_NAND + bool "JFFS2 support for NAND flash" + depends on JFFS2_FS + default n + help + This enables the support for NAND flash in JFFS2. NAND is a newer + type of flash chip design than the traditional NOR flash, with + higher density but a handful of characteristics which make it more + interesting for the file system to use. + + Say 'N' unless you have NAND flash. + +config JFFS2_FS_NOR_ECC + bool "JFFS2 support for ECC'd NOR flash (EXPERIMENTAL)" + depends on JFFS2_FS && EXPERIMENTAL + default n + help + This enables the experimental support for NOR flash with transparent + ECC for JFFS2. This type of flash chip is not common, however it is + available from ST Microelectronics. + +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 and 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_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 predefinied 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. + +endchoice + +config CRAMFS + tristate "Compressed ROM file system support (cramfs)" + select ZLIB_INFLATE + help + Saying Y here includes support for CramFs (Compressed ROM File + System). CramFs is designed to be a simple, small, and compressed + file system for ROM based embedded systems. CramFs is read-only, + limited to 256MB file systems (with 16MB files), and doesn't support + 16/32 bits uid/gid, hard links and timestamps. + + See <file:Documentation/filesystems/cramfs.txt> and + <file:fs/cramfs/README> for further information. + + To compile this as a module, choose M here: the module will be called + cramfs. Note that the root file system (the one containing the + directory /) cannot be compiled as a module. + + If unsure, say N. + +config VXFS_FS + tristate "FreeVxFS file system support (VERITAS VxFS(TM) compatible)" + help + FreeVxFS is a file system driver that support the VERITAS VxFS(TM) + file system format. VERITAS VxFS(TM) is the standard file system + of SCO UnixWare (and possibly others) and optionally available + for Sunsoft Solaris, HP-UX and many other operating systems. + Currently only readonly access is supported. + + NOTE: the file system type as used by mount(1), mount(2) and + fstab(5) is 'vxfs' as it describes the file system format, not + the actual driver. + + To compile this as a module, choose M here: the module will be + called freevxfs. If unsure, say N. + + +config HPFS_FS + tristate "OS/2 HPFS file system support" + help + OS/2 is IBM's operating system for PC's, the same as Warp, and HPFS + is the file system used for organizing files on OS/2 hard disk + partitions. Say Y if you want to be able to read files from and + write files to an OS/2 HPFS partition on your hard drive. OS/2 + floppies however are in regular MSDOS format, so you don't need this + option in order to be able to read them. Read + <file:Documentation/filesystems/hpfs.txt>. + + To compile this file system support as a module, choose M here: the + module will be called hpfs. If unsure, say N. + + + +config QNX4FS_FS + tristate "QNX4 file system support (read only)" + help + This is the file system used by the real-time operating systems + QNX 4 and QNX 6 (the latter is also called QNX RTP). + Further information is available at <http://www.qnx.com/>. + Say Y if you intend to mount QNX hard disks or floppies. + Unless you say Y to "QNX4FS read-write support" below, you will + only be able to read these file systems. + + To compile this file system support as a module, choose M here: the + module will be called qnx4. + + If you don't know whether you need it, then you don't need it: + answer N. + +config QNX4FS_RW + bool "QNX4FS write support (DANGEROUS)" + depends on QNX4FS_FS && EXPERIMENTAL && BROKEN + help + Say Y if you want to test write support for QNX4 file systems. + + It's currently broken, so for now: + answer N. + + + +config SYSV_FS + tristate "System V/Xenix/V7/Coherent file system support" + help + SCO, Xenix and Coherent are commercial Unix systems for Intel + machines, and Version 7 was used on the DEC PDP-11. Saying Y + here would allow you to read from their floppies and hard disk + partitions. + + If you have floppies or hard disk partitions like that, it is likely + that they contain binaries from those other Unix systems; in order + to run these binaries, you will want to install linux-abi which is a + a set of kernel modules that lets you run SCO, Xenix, Wyse, + UnixWare, Dell Unix and System V programs under Linux. It is + available via FTP (user: ftp) from + <ftp://ftp.openlinux.org/pub/people/hch/linux-abi/>). + NOTE: that will work only for binaries from Intel-based systems; + PDP ones will have to wait until somebody ports Linux to -11 ;-) + + If you only intend to mount files from some other Unix over the + network using NFS, you don't need the System V file system support + (but you need NFS file system support obviously). + + Note that this option is generally not needed for floppies, since a + good portable way to transport files and directories between unixes + (and even other operating systems) is given by the tar program ("man + tar" or preferably "info tar"). Note also that this option has + nothing whatsoever to do with the option "System V IPC". Read about + the System V file system in + <file:Documentation/filesystems/sysv-fs.txt>. + Saying Y here will enlarge your kernel by about 27 KB. + + To compile this as a module, choose M here: the module will be called + sysv. + + If you haven't heard about all of this before, it's safe to say N. + + + +config UFS_FS + tristate "UFS file system support (read only)" + help + BSD and derivate versions of Unix (such as SunOS, FreeBSD, NetBSD, + OpenBSD and NeXTstep) use a file system called UFS. Some System V + Unixes can create and mount hard disk partitions and diskettes using + this file system as well. Saying Y here will allow you to read from + these partitions; if you also want to write to them, say Y to the + experimental "UFS file system write support", below. Please read the + file <file:Documentation/filesystems/ufs.txt> for more information. + + The recently released UFS2 variant (used in FreeBSD 5.x) is + READ-ONLY supported. + + If you only intend to mount files from some other Unix over the + network using NFS, you don't need the UFS file system support (but + you need NFS file system support obviously). + + Note that this option is generally not needed for floppies, since a + good portable way to transport files and directories between unixes + (and even other operating systems) is given by the tar program ("man + tar" or preferably "info tar"). + + When accessing NeXTstep files, you may need to convert them from the + NeXT character set to the Latin1 character set; use the program + recode ("info recode") for this purpose. + + To compile the UFS file system support as a module, choose M here: the + module will be called ufs. + + If you haven't heard about all of this before, it's safe to say N. + +config UFS_FS_WRITE + bool "UFS file system write support (DANGEROUS)" + depends on UFS_FS && EXPERIMENTAL + help + Say Y here if you want to try writing to UFS partitions. This is + experimental, so you should back up your UFS partitions beforehand. + +endmenu + +menu "Network File Systems" + depends on NET + +config NFS_FS + tristate "NFS file system support" + depends on INET + select LOCKD + select SUNRPC + help + If you are connected to some other (usually local) Unix computer + (using SLIP, PLIP, PPP or Ethernet) and want to mount files residing + on that computer (the NFS server) using the Network File Sharing + protocol, say Y. "Mounting files" means that the client can access + the files with usual UNIX commands as if they were sitting on the + client's hard disk. For this to work, the server must run the + programs nfsd and mountd (but does not need to have NFS file system + support enabled in its kernel). NFS is explained in the Network + Administrator's Guide, available from + <http://www.tldp.org/docs.html#guide>, on its man page: "man + nfs", and in the NFS-HOWTO. + + A superior but less widely used alternative to NFS is provided by + the Coda file system; see "Coda file system support" below. + + If you say Y here, you should have said Y to TCP/IP networking also. + This option would enlarge your kernel by about 27 KB. + + To compile this file system support as a module, choose M here: the + module will be called nfs. + + If you are configuring a diskless machine which will mount its root + file system over NFS at boot time, say Y here and to "Kernel + level IP autoconfiguration" above and to "Root file system on NFS" + below. You cannot compile this driver as a module in this case. + There are two packages designed for booting diskless machines over + the net: netboot, available from + <http://ftp1.sourceforge.net/netboot/>, and Etherboot, + available from <http://ftp1.sourceforge.net/etherboot/>. + + If you don't know what all this is about, say N. + +config NFS_V3 + bool "Provide NFSv3 client support" + depends on NFS_FS + help + Say Y here if you want your NFS client to be able to speak version + 3 of the NFS protocol. + + If unsure, say Y. + +config NFS_V4 + bool "Provide NFSv4 client support (EXPERIMENTAL)" + depends on NFS_FS && EXPERIMENTAL + select RPCSEC_GSS_KRB5 + help + Say Y here if you want your NFS client to be able to speak the newer + version 4 of the NFS protocol. + + Note: Requires auxiliary userspace daemons which may be found on + http://www.citi.umich.edu/projects/nfsv4/ + + If unsure, say N. + +config NFS_DIRECTIO + bool "Allow direct I/O on NFS files (EXPERIMENTAL)" + depends on NFS_FS && EXPERIMENTAL + help + This option enables applications to perform uncached I/O on files + in NFS file systems using the O_DIRECT open() flag. When O_DIRECT + is set for a file, its data is not cached in the system's page + cache. Data is moved to and from user-level application buffers + directly. Unlike local disk-based file systems, NFS O_DIRECT has + no alignment restrictions. + + Unless your program is designed to use O_DIRECT properly, you are + much better off allowing the NFS client to manage data caching for + you. Misusing O_DIRECT can cause poor server performance or network + storms. This kernel build option defaults OFF to avoid exposing + system administrators unwittingly to a potentially hazardous + feature. + + For more details on NFS O_DIRECT, see fs/nfs/direct.c. + + If unsure, say N. This reduces the size of the NFS client, and + causes open() to return EINVAL if a file residing in NFS is + opened with the O_DIRECT flag. + +config NFSD + tristate "NFS server support" + depends on INET + select LOCKD + select SUNRPC + select EXPORTFS + help + If you want your Linux box to act as an NFS *server*, so that other + computers on your local network which support NFS can access certain + directories on your box transparently, you have two options: you can + use the self-contained user space program nfsd, in which case you + should say N here, or you can say Y and use the kernel based NFS + server. The advantage of the kernel based solution is that it is + faster. + + In either case, you will need support software; the respective + locations are given in the file <file:Documentation/Changes> in the + NFS section. + + If you say Y here, you will get support for version 2 of the NFS + protocol (NFSv2). If you also want NFSv3, say Y to the next question + as well. + + Please read the NFS-HOWTO, available from + <http://www.tldp.org/docs.html#howto>. + + To compile the NFS server support as a module, choose M here: the + module will be called nfsd. If unsure, say N. + +config NFSD_V3 + bool "Provide NFSv3 server support" + depends on NFSD + help + If you would like to include the NFSv3 server as well as the NFSv2 + server, say Y here. If unsure, say Y. + +config NFSD_V4 + bool "Provide NFSv4 server support (EXPERIMENTAL)" + depends on NFSD_V3 && EXPERIMENTAL + select NFSD_TCP + help + If you would like to include the NFSv4 server as well as the NFSv2 + and NFSv3 servers, say Y here. This feature is experimental, and + should only be used if you are interested in helping to test NFSv4. + If unsure, say N. + +config NFSD_TCP + bool "Provide NFS server over TCP support" + depends on NFSD + default y + help + If you want your NFS server to support TCP connections, say Y here. + TCP connections usually perform better than the default UDP when + the network is lossy or congested. If unsure, say Y. + +config ROOT_NFS + bool "Root file system on NFS" + depends on NFS_FS=y && IP_PNP + help + If you want your Linux box to mount its whole root file system (the + one containing the directory /) from some other computer over the + net via NFS (presumably because your box doesn't have a hard disk), + say Y. Read <file:Documentation/nfsroot.txt> for details. It is + likely that in this case, you also want to say Y to "Kernel level IP + autoconfiguration" so that your box can discover its network address + at boot time. + + Most people say N here. + +config LOCKD + tristate + +config LOCKD_V4 + bool + depends on NFSD_V3 || NFS_V3 + default y + +config EXPORTFS + tristate + +config SUNRPC + tristate + +config SUNRPC_GSS + tristate + +config RPCSEC_GSS_KRB5 + tristate "Secure RPC: Kerberos V mechanism (EXPERIMENTAL)" + depends on SUNRPC && EXPERIMENTAL + select SUNRPC_GSS + select CRYPTO + select CRYPTO_MD5 + select CRYPTO_DES + help + Provides for secure RPC calls by means of a gss-api + mechanism based on Kerberos V5. This is required for + NFSv4. + + Note: Requires an auxiliary userspace daemon which may be found on + http://www.citi.umich.edu/projects/nfsv4/ + + If unsure, say N. + +config RPCSEC_GSS_SPKM3 + tristate "Secure RPC: SPKM3 mechanism (EXPERIMENTAL)" + depends on SUNRPC && EXPERIMENTAL + select SUNRPC_GSS + select CRYPTO + select CRYPTO_MD5 + select CRYPTO_DES + help + Provides for secure RPC calls by means of a gss-api + mechanism based on the SPKM3 public-key mechanism. + + Note: Requires an auxiliary userspace daemon which may be found on + http://www.citi.umich.edu/projects/nfsv4/ + + If unsure, say N. + +config SMB_FS + tristate "SMB file system support (to mount Windows shares etc.)" + depends on INET + select NLS + help + SMB (Server Message Block) is the protocol Windows for Workgroups + (WfW), Windows 95/98, Windows NT and OS/2 Lan Manager use to share + files and printers over local networks. Saying Y here allows you to + mount their file systems (often called "shares" in this context) and + access them just like any other Unix directory. Currently, this + works only if the Windows machines use TCP/IP as the underlying + transport protocol, and not NetBEUI. For details, read + <file:Documentation/filesystems/smbfs.txt> and the SMB-HOWTO, + available from <http://www.tldp.org/docs.html#howto>. + + Note: if you just want your box to act as an SMB *server* and make + files and printing services available to Windows clients (which need + to have a TCP/IP stack), you don't need to say Y here; you can use + the program SAMBA (available from <ftp://ftp.samba.org/pub/samba/>) + for that. + + General information about how to connect Linux, Windows machines and + Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>. + + To compile the SMB support as a module, choose M here: the module will + be called smbfs. Most people say N, however. + +config SMB_NLS_DEFAULT + bool "Use a default NLS" + depends on SMB_FS + help + Enabling this will make smbfs use nls translations by default. You + need to specify the local charset (CONFIG_NLS_DEFAULT) in the nls + settings and you need to give the default nls for the SMB server as + CONFIG_SMB_NLS_REMOTE. + + The nls settings can be changed at mount time, if your smbmount + supports that, using the codepage and iocharset parameters. + + smbmount from samba 2.2.0 or later supports this. + +config SMB_NLS_REMOTE + string "Default Remote NLS Option" + depends on SMB_NLS_DEFAULT + default "cp437" + help + This setting allows you to specify a default value for which + codepage the server uses. If this field is left blank no + translations will be done by default. The local codepage/charset + default to CONFIG_NLS_DEFAULT. + + The nls settings can be changed at mount time, if your smbmount + supports that, using the codepage and iocharset parameters. + + smbmount from samba 2.2.0 or later supports this. + +config CIFS + tristate "CIFS support (advanced network filesystem for Samba, Window and other CIFS compliant servers)" + depends on INET + select NLS + help + This is the client VFS module for the Common Internet File System + (CIFS) protocol which is the successor to the Server Message Block + (SMB) protocol, the native file sharing mechanism for most early + PC operating systems. The CIFS protocol is fully supported by + file servers such as Windows 2000 (including Windows 2003, NT 4 + and Windows XP) as well by Samba (which provides excellent CIFS + server support for Linux and many other operating systems). Currently + you must use the smbfs client filesystem to access older SMB servers + such as Windows 9x and OS/2. + + The intent of the cifs module is to provide an advanced + network file system client for mounting to CIFS compliant servers, + including support for dfs (hierarchical name space), secure per-user + session establishment, safe distributed caching (oplock), optional + packet signing, Unicode and other internationalization improvements, + and optional Winbind (nsswitch) integration. You do not need to enable + cifs if running only a (Samba) server. It is possible to enable both + smbfs and cifs (e.g. if you are using CIFS for accessing Windows 2003 + and Samba 3 servers, and smbfs for accessing old servers). If you need + to mount to Samba or Windows 2003 servers from this machine, say Y. + +config CIFS_STATS + bool "CIFS statistics" + depends on CIFS + help + Enabling this option will cause statistics for each server share + mounted by the cifs client to be displayed in /proc/fs/cifs/Stats + +config CIFS_XATTR + bool "CIFS extended attributes (EXPERIMENTAL)" + depends on CIFS + 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). CIFS maps the name of + extended attributes beginning with the user namespace prefix + to SMB/CIFS EAs. EAs are stored on Windows servers without the + user namespace prefix, but their names are seen by Linux cifs clients + prefaced by the user namespace prefix. The system namespace + (used by some filesystems to store ACLs) is not supported at + this time. + + If unsure, say N. + +config CIFS_POSIX + bool "CIFS POSIX Extensions (EXPERIMENTAL)" + depends on CIFS_XATTR + help + Enabling this option will cause the cifs client to attempt to + negotiate a newer dialect with servers, such as Samba 3.0.5 + or later, that optionally can handle more POSIX like (rather + than Windows like) file behavior. It also enables + support for POSIX ACLs (getfacl and setfacl) to servers + (such as Samba 3.10 and later) which can negotiate + CIFS POSIX ACL support. If unsure, say N. + +config CIFS_EXPERIMENTAL + bool "CIFS Experimental Features (EXPERIMENTAL)" + depends on CIFS + help + Enables cifs features under testing. These features + are highly experimental. If unsure, say N. + +config NCP_FS + tristate "NCP file system support (to mount NetWare volumes)" + depends on IPX!=n || INET + help + NCP (NetWare Core Protocol) is a protocol that runs over IPX and is + used by Novell NetWare clients to talk to file servers. It is to + IPX what NFS is to TCP/IP, if that helps. Saying Y here allows you + to mount NetWare file server volumes and to access them just like + any other Unix directory. For details, please read the file + <file:Documentation/filesystems/ncpfs.txt> in the kernel source and + the IPX-HOWTO from <http://www.tldp.org/docs.html#howto>. + + You do not have to say Y here if you want your Linux box to act as a + file *server* for Novell NetWare clients. + + General information about how to connect Linux, Windows machines and + Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>. + + To compile this as a module, choose M here: the module will be called + ncpfs. Say N unless you are connected to a Novell network. + +source "fs/ncpfs/Kconfig" + +config CODA_FS + tristate "Coda file system support (advanced network fs)" + depends on INET + help + Coda is an advanced network file system, similar to NFS in that it + enables you to mount file systems of a remote server and access them + with regular Unix commands as if they were sitting on your hard + disk. Coda has several advantages over NFS: support for + disconnected operation (e.g. for laptops), read/write server + replication, security model for authentication and encryption, + persistent client caches and write back caching. + + If you say Y here, your Linux box will be able to act as a Coda + *client*. You will need user level code as well, both for the + client and server. Servers are currently user level, i.e. they need + no kernel support. Please read + <file:Documentation/filesystems/coda.txt> and check out the Coda + home page <http://www.coda.cs.cmu.edu/>. + + To compile the coda client support as a module, choose M here: the + module will be called coda. + +config CODA_FS_OLD_API + bool "Use 96-bit Coda file identifiers" + depends on CODA_FS + help + A new kernel-userspace API had to be introduced for Coda v6.0 + to support larger 128-bit file identifiers as needed by the + new realms implementation. + + However this new API is not backward compatible with older + clients. If you really need to run the old Coda userspace + cache manager then say Y. + + For most cases you probably want to say N. + +config AFS_FS +# for fs/nls/Config.in + tristate "Andrew File System support (AFS) (Experimental)" + depends on INET && EXPERIMENTAL + select RXRPC + help + If you say Y here, you will get an experimental Andrew File System + driver. It currently only supports unsecured read-only AFS access. + + See <file:Documentation/filesystems/afs.txt> for more intormation. + + If unsure, say N. + +config RXRPC + tristate + +endmenu + +menu "Partition Types" + +source "fs/partitions/Kconfig" + +endmenu + +source "fs/nls/Kconfig" + +endmenu + |