fs/Kconfig

   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/ext4/Kconfig"
  15 source "fs/jbd2/Kconfig"
  16
  17 config FS_MBCACHE
  18 # Meta block cache for Extended Attributes (ext2/ext3/ext4)
  19         tristate
  20         default y if EXT2_FS=y && EXT2_FS_XATTR
  21         default y if EXT4_FS=y
  22         default m if EXT2_FS_XATTR || EXT4_FS
  23
  24 source "fs/reiserfs/Kconfig"
  25 source "fs/jfs/Kconfig"
  26
  27 source "fs/xfs/Kconfig"
  28 source "fs/gfs2/Kconfig"
  29 source "fs/ocfs2/Kconfig"
  30 source "fs/btrfs/Kconfig"
  31 source "fs/nilfs2/Kconfig"
  32 source "fs/f2fs/Kconfig"
  33
  34 config FS_DAX
  35         bool "Direct Access (DAX) support"
  36         depends on MMU
  37         depends on !(ARM || MIPS || SPARC)
  38         help
  39           Direct Access (DAX) can be used on memory-backed block devices.
  40           If the block device supports DAX and the filesystem supports DAX,
  41           then you can avoid using the pagecache to buffer I/Os.  Turning
  42           on this option will compile in support for DAX; you will need to
  43           mount the filesystem using the -o dax option.
  44
  45           If you do not have a block device that is capable of using this,
  46           or if unsure, say N.  Saying Y will increase the size of the kernel
  47           by about 5kB.
  48
  49 config FS_DAX_PMD
  50         bool
  51         default FS_DAX
  52         depends on FS_DAX
  53         depends on ZONE_DEVICE
  54         depends on TRANSPARENT_HUGEPAGE
  55
  56 endif # BLOCK
  57
  58 # Posix ACL utility routines
  59 #
  60 # Note: Posix ACLs can be implemented without these helpers.  Never use
  61 # this symbol for ifdefs in core code.
  62 #
  63 config FS_POSIX_ACL
  64         def_bool n
  65
  66 config EXPORTFS
  67         tristate
  68
  69 config FILE_LOCKING
  70         bool "Enable POSIX file locking API" if EXPERT
  71         default y
  72         help
  73           This option enables standard file locking support, required
  74           for filesystems like NFS and for the flock() system
  75           call. Disabling this option saves about 11k.
  76
  77 config MANDATORY_FILE_LOCKING
  78         bool "Enable Mandatory file locking"
  79         depends on FILE_LOCKING
  80         default y
  81         help
  82           This option enables files appropriately marked files on appropriely
  83           mounted filesystems to support mandatory locking.
  84
  85           To the best of my knowledge this is dead code that no one cares about.
  86
  87 source "fs/notify/Kconfig"
  88
  89 source "fs/quota/Kconfig"
  90
  91 source "fs/autofs4/Kconfig"
  92 source "fs/fuse/Kconfig"
  93 source "fs/overlayfs/Kconfig"
  94
  95 menu "Caches"
  96
  97 source "fs/fscache/Kconfig"
  98 source "fs/cachefiles/Kconfig"
  99
 100 endmenu
 101
 102 if BLOCK
 103 menu "CD-ROM/DVD Filesystems"
 104
 105 source "fs/isofs/Kconfig"
 106 source "fs/udf/Kconfig"
 107
 108 endmenu
 109 endif # BLOCK
 110
 111 if BLOCK
 112 menu "DOS/FAT/NT Filesystems"
 113
 114 source "fs/fat/Kconfig"
 115 source "fs/ntfs/Kconfig"
 116
 117 endmenu
 118 endif # BLOCK
 119
 120 menu "Pseudo filesystems"
 121
 122 source "fs/proc/Kconfig"
 123 source "fs/kernfs/Kconfig"
 124 source "fs/sysfs/Kconfig"
 125
 126 config TMPFS
 127         bool "Tmpfs virtual memory file system support (former shm fs)"
 128         depends on SHMEM
 129         help
 130           Tmpfs is a file system which keeps all files in virtual memory.
 131
 132           Everything in tmpfs is temporary in the sense that no files will be
 133           created on your hard drive. The files live in memory and swap
 134           space. If you unmount a tmpfs instance, everything stored therein is
 135           lost.
 136
 137           See <file:Documentation/filesystems/tmpfs.txt> for details.
 138
 139 config TMPFS_POSIX_ACL
 140         bool "Tmpfs POSIX Access Control Lists"
 141         depends on TMPFS
 142         select TMPFS_XATTR
 143         select FS_POSIX_ACL
 144         help
 145           POSIX Access Control Lists (ACLs) support additional access rights
 146           for users and groups beyond the standard owner/group/world scheme,
 147           and this option selects support for ACLs specifically for tmpfs
 148           filesystems.
 149
 150           If you've selected TMPFS, it's possible that you'll also need
 151           this option as there are a number of Linux distros that require
 152           POSIX ACL support under /dev for certain features to work properly.
 153           For example, some distros need this feature for ALSA-related /dev
 154           files for sound to work properly.  In short, if you're not sure,
 155           say Y.
 156
 157           To learn more about Access Control Lists, visit the POSIX ACLs for
 158           Linux website <http://acl.bestbits.at/>.
 159
 160 config TMPFS_XATTR
 161         bool "Tmpfs extended attributes"
 162         depends on TMPFS
 163         default n
 164         help
 165           Extended attributes are name:value pairs associated with inodes by
 166           the kernel or by users (see the attr(5) manual page, or visit
 167           <http://acl.bestbits.at/> for details).
 168
 169           Currently this enables support for the trusted.* and
 170           security.* namespaces.
 171
 172           You need this for POSIX ACL support on tmpfs.
 173
 174           If unsure, say N.
 175
 176 config HUGETLBFS
 177         bool "HugeTLB file system support"
 178         depends on X86 || IA64 || SPARC64 || (S390 && 64BIT) || \
 179                    SYS_SUPPORTS_HUGETLBFS || BROKEN
 180         help
 181           hugetlbfs is a filesystem backing for HugeTLB pages, based on
 182           ramfs. For architectures that support it, say Y here and read
 183           <file:Documentation/vm/hugetlbpage.txt> for details.
 184
 185           If unsure, say N.
 186
 187 config HUGETLB_PAGE
 188         def_bool HUGETLBFS
 189
 190 source "fs/configfs/Kconfig"
 191 source "fs/efivarfs/Kconfig"
 192
 193 endmenu
 194
 195 menuconfig MISC_FILESYSTEMS
 196         bool "Miscellaneous filesystems"
 197         default y
 198         ---help---
 199           Say Y here to get to see options for various miscellaneous
 200           filesystems, such as filesystems that came from other
 201           operating systems.
 202
 203           This option alone does not add any kernel code.
 204
 205           If you say N, all options in this submenu will be skipped and
 206           disabled; if unsure, say Y here.
 207
 208 if MISC_FILESYSTEMS
 209
 210 source "fs/adfs/Kconfig"
 211 source "fs/affs/Kconfig"
 212 source "fs/ecryptfs/Kconfig"
 213 source "fs/hfs/Kconfig"
 214 source "fs/hfsplus/Kconfig"
 215 source "fs/befs/Kconfig"
 216 source "fs/bfs/Kconfig"
 217 source "fs/efs/Kconfig"
 218 source "fs/jffs2/Kconfig"
 219 # UBIFS File system configuration
 220 source "fs/ubifs/Kconfig"
 221 source "fs/logfs/Kconfig"
 222 source "fs/cramfs/Kconfig"
 223 source "fs/squashfs/Kconfig"
 224 source "fs/freevxfs/Kconfig"
 225 source "fs/minix/Kconfig"
 226 source "fs/omfs/Kconfig"
 227 source "fs/hpfs/Kconfig"
 228 source "fs/qnx4/Kconfig"
 229 source "fs/qnx6/Kconfig"
 230 source "fs/romfs/Kconfig"
 231 source "fs/pstore/Kconfig"
 232 source "fs/sysv/Kconfig"
 233 source "fs/ufs/Kconfig"
 234 source "fs/exofs/Kconfig"
 235
 236 endif # MISC_FILESYSTEMS
 237
 238 source "fs/exofs/Kconfig.ore"
 239
 240 menuconfig NETWORK_FILESYSTEMS
 241         bool "Network File Systems"
 242         default y
 243         depends on NET
 244         ---help---
 245           Say Y here to get to see options for network filesystems and
 246           filesystem-related networking code, such as NFS daemon and
 247           RPCSEC security modules.
 248
 249           This option alone does not add any kernel code.
 250
 251           If you say N, all options in this submenu will be skipped and
 252           disabled; if unsure, say Y here.
 253
 254 if NETWORK_FILESYSTEMS
 255
 256 source "fs/nfs/Kconfig"
 257 source "fs/nfsd/Kconfig"
 258
 259 config GRACE_PERIOD
 260         tristate
 261
 262 config LOCKD
 263         tristate
 264         depends on FILE_LOCKING
 265         select GRACE_PERIOD
 266
 267 config LOCKD_V4
 268         bool
 269         depends on NFSD_V3 || NFS_V3
 270         depends on FILE_LOCKING
 271         default y
 272
 273 config NFS_ACL_SUPPORT
 274         tristate
 275         select FS_POSIX_ACL
 276
 277 config NFS_COMMON
 278         bool
 279         depends on NFSD || NFS_FS || LOCKD
 280         default y
 281
 282 source "net/sunrpc/Kconfig"
 283 source "fs/ceph/Kconfig"
 284 source "fs/cifs/Kconfig"
 285 source "fs/ncpfs/Kconfig"
 286 source "fs/coda/Kconfig"
 287 source "fs/afs/Kconfig"
 288 source "fs/9p/Kconfig"
 289
 290 endif # NETWORK_FILESYSTEMS
 291
 292 source "fs/nls/Kconfig"
 293 source "fs/dlm/Kconfig"
 294
 295 endmenu