The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/fs/Kconfig

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    1 #
    2 # File system configuration
    3 #
    4 
    5 menu "File systems"
    6 
    7 # Use unaligned word dcache accesses
    8 config DCACHE_WORD_ACCESS
    9        bool
   10 
   11 if BLOCK
   12 
   13 source "fs/ext2/Kconfig"
   14 source "fs/ext3/Kconfig"
   15 source "fs/ext4/Kconfig"
   16 
   17 config FS_XIP
   18 # execute in place
   19         bool
   20         depends on EXT2_FS_XIP
   21         default y
   22 
   23 source "fs/jbd/Kconfig"
   24 source "fs/jbd2/Kconfig"
   25 
   26 config FS_MBCACHE
   27 # Meta block cache for Extended Attributes (ext2/ext3/ext4)
   28         tristate
   29         default y if EXT2_FS=y && EXT2_FS_XATTR
   30         default y if EXT3_FS=y && EXT3_FS_XATTR
   31         default y if EXT4_FS=y
   32         default m if EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4_FS
   33 
   34 source "fs/reiserfs/Kconfig"
   35 source "fs/jfs/Kconfig"
   36 
   37 source "fs/xfs/Kconfig"
   38 source "fs/gfs2/Kconfig"
   39 source "fs/ocfs2/Kconfig"
   40 source "fs/btrfs/Kconfig"
   41 source "fs/nilfs2/Kconfig"
   42 
   43 endif # BLOCK
   44 
   45 # Posix ACL utility routines
   46 #
   47 # Note: Posix ACLs can be implemented without these helpers.  Never use
   48 # this symbol for ifdefs in core code.
   49 #
   50 config FS_POSIX_ACL
   51         def_bool n
   52 
   53 config EXPORTFS
   54         tristate
   55 
   56 config FILE_LOCKING
   57         bool "Enable POSIX file locking API" if EXPERT
   58         default y
   59         help
   60           This option enables standard file locking support, required
   61           for filesystems like NFS and for the flock() system
   62           call. Disabling this option saves about 11k.
   63 
   64 source "fs/notify/Kconfig"
   65 
   66 source "fs/quota/Kconfig"
   67 
   68 source "fs/autofs4/Kconfig"
   69 source "fs/fuse/Kconfig"
   70 
   71 config GENERIC_ACL
   72         bool
   73         select FS_POSIX_ACL
   74 
   75 menu "Caches"
   76 
   77 source "fs/fscache/Kconfig"
   78 source "fs/cachefiles/Kconfig"
   79 
   80 endmenu
   81 
   82 if BLOCK
   83 menu "CD-ROM/DVD Filesystems"
   84 
   85 source "fs/isofs/Kconfig"
   86 source "fs/udf/Kconfig"
   87 
   88 endmenu
   89 endif # BLOCK
   90 
   91 if BLOCK
   92 menu "DOS/FAT/NT Filesystems"
   93 
   94 source "fs/fat/Kconfig"
   95 source "fs/ntfs/Kconfig"
   96 
   97 endmenu
   98 endif # BLOCK
   99 
  100 menu "Pseudo filesystems"
  101 
  102 source "fs/proc/Kconfig"
  103 source "fs/sysfs/Kconfig"
  104 
  105 config TMPFS
  106         bool "Tmpfs virtual memory file system support (former shm fs)"
  107         depends on SHMEM
  108         help
  109           Tmpfs is a file system which keeps all files in virtual memory.
  110 
  111           Everything in tmpfs is temporary in the sense that no files will be
  112           created on your hard drive. The files live in memory and swap
  113           space. If you unmount a tmpfs instance, everything stored therein is
  114           lost.
  115 
  116           See <file:Documentation/filesystems/tmpfs.txt> for details.
  117 
  118 config TMPFS_POSIX_ACL
  119         bool "Tmpfs POSIX Access Control Lists"
  120         depends on TMPFS
  121         select TMPFS_XATTR
  122         select GENERIC_ACL
  123         help
  124           POSIX Access Control Lists (ACLs) support additional access rights
  125           for users and groups beyond the standard owner/group/world scheme,
  126           and this option selects support for ACLs specifically for tmpfs
  127           filesystems.
  128 
  129           If you've selected TMPFS, it's possible that you'll also need
  130           this option as there are a number of Linux distros that require
  131           POSIX ACL support under /dev for certain features to work properly.
  132           For example, some distros need this feature for ALSA-related /dev
  133           files for sound to work properly.  In short, if you're not sure,
  134           say Y.
  135 
  136           To learn more about Access Control Lists, visit the POSIX ACLs for
  137           Linux website <http://acl.bestbits.at/>.
  138 
  139 config TMPFS_XATTR
  140         bool "Tmpfs extended attributes"
  141         depends on TMPFS
  142         default n
  143         help
  144           Extended attributes are name:value pairs associated with inodes by
  145           the kernel or by users (see the attr(5) manual page, or visit
  146           <http://acl.bestbits.at/> for details).
  147 
  148           Currently this enables support for the trusted.* and
  149           security.* namespaces.
  150 
  151           You need this for POSIX ACL support on tmpfs.
  152 
  153           If unsure, say N.
  154 
  155 config HUGETLBFS
  156         bool "HugeTLB file system support"
  157         depends on X86 || IA64 || SPARC64 || (S390 && 64BIT) || \
  158                    SYS_SUPPORTS_HUGETLBFS || BROKEN
  159         help
  160           hugetlbfs is a filesystem backing for HugeTLB pages, based on
  161           ramfs. For architectures that support it, say Y here and read
  162           <file:Documentation/vm/hugetlbpage.txt> for details.
  163 
  164           If unsure, say N.
  165 
  166 config HUGETLB_PAGE
  167         def_bool HUGETLBFS
  168 
  169 source "fs/configfs/Kconfig"
  170 
  171 endmenu
  172 
  173 menuconfig MISC_FILESYSTEMS
  174         bool "Miscellaneous filesystems"
  175         default y
  176         ---help---
  177           Say Y here to get to see options for various miscellaneous
  178           filesystems, such as filesystems that came from other
  179           operating systems.
  180 
  181           This option alone does not add any kernel code.
  182 
  183           If you say N, all options in this submenu will be skipped and
  184           disabled; if unsure, say Y here.
  185 
  186 if MISC_FILESYSTEMS
  187 
  188 source "fs/adfs/Kconfig"
  189 source "fs/affs/Kconfig"
  190 source "fs/ecryptfs/Kconfig"
  191 source "fs/hfs/Kconfig"
  192 source "fs/hfsplus/Kconfig"
  193 source "fs/befs/Kconfig"
  194 source "fs/bfs/Kconfig"
  195 source "fs/efs/Kconfig"
  196 source "fs/jffs2/Kconfig"
  197 # UBIFS File system configuration
  198 source "fs/ubifs/Kconfig"
  199 source "fs/logfs/Kconfig"
  200 source "fs/cramfs/Kconfig"
  201 source "fs/squashfs/Kconfig"
  202 source "fs/freevxfs/Kconfig"
  203 source "fs/minix/Kconfig"
  204 source "fs/omfs/Kconfig"
  205 source "fs/hpfs/Kconfig"
  206 source "fs/qnx4/Kconfig"
  207 source "fs/qnx6/Kconfig"
  208 source "fs/romfs/Kconfig"
  209 source "fs/pstore/Kconfig"
  210 source "fs/sysv/Kconfig"
  211 source "fs/ufs/Kconfig"
  212 source "fs/exofs/Kconfig"
  213 source "fs/f2fs/Kconfig"
  214 
  215 endif # MISC_FILESYSTEMS
  216 
  217 source "fs/exofs/Kconfig.ore"
  218 
  219 menuconfig NETWORK_FILESYSTEMS
  220         bool "Network File Systems"
  221         default y
  222         depends on NET
  223         ---help---
  224           Say Y here to get to see options for network filesystems and
  225           filesystem-related networking code, such as NFS daemon and
  226           RPCSEC security modules.
  227 
  228           This option alone does not add any kernel code.
  229 
  230           If you say N, all options in this submenu will be skipped and
  231           disabled; if unsure, say Y here.
  232 
  233 if NETWORK_FILESYSTEMS
  234 
  235 source "fs/nfs/Kconfig"
  236 source "fs/nfsd/Kconfig"
  237 
  238 config LOCKD
  239         tristate
  240         depends on FILE_LOCKING
  241 
  242 config LOCKD_V4
  243         bool
  244         depends on NFSD_V3 || NFS_V3
  245         depends on FILE_LOCKING
  246         default y
  247 
  248 config NFS_ACL_SUPPORT
  249         tristate
  250         select FS_POSIX_ACL
  251 
  252 config NFS_COMMON
  253         bool
  254         depends on NFSD || NFS_FS
  255         default y
  256 
  257 source "net/sunrpc/Kconfig"
  258 source "fs/ceph/Kconfig"
  259 source "fs/cifs/Kconfig"
  260 source "fs/ncpfs/Kconfig"
  261 source "fs/coda/Kconfig"
  262 source "fs/afs/Kconfig"
  263 source "fs/9p/Kconfig"
  264 
  265 endif # NETWORK_FILESYSTEMS
  266 
  267 source "fs/nls/Kconfig"
  268 source "fs/dlm/Kconfig"
  269 
  270 endmenu

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