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 config FS_IOMAP
  14         bool
  15
  16 source "fs/ext2/Kconfig"
  17 source "fs/ext4/Kconfig"
  18 source "fs/jbd2/Kconfig"
  19
  20 config FS_MBCACHE
  21 # Meta block cache for Extended Attributes (ext2/ext3/ext4)
  22         tristate
  23         default y if EXT2_FS=y && EXT2_FS_XATTR
  24         default y if EXT4_FS=y
  25         default m if EXT2_FS_XATTR || EXT4_FS
  26
  27 source "fs/reiserfs/Kconfig"
  28 source "fs/jfs/Kconfig"
  29
  30 source "fs/xfs/Kconfig"
  31 source "fs/gfs2/Kconfig"
  32 source "fs/ocfs2/Kconfig"
  33 source "fs/btrfs/Kconfig"
  34 source "fs/nilfs2/Kconfig"
  35 source "fs/f2fs/Kconfig"
  36
  37 config FS_DAX
  38         bool "Direct Access (DAX) support"
  39         depends on MMU
  40         depends on !(ARM || MIPS || SPARC)
  41         help
  42           Direct Access (DAX) can be used on memory-backed block devices.
  43           If the block device supports DAX and the filesystem supports DAX,
  44           then you can avoid using the pagecache to buffer I/Os.  Turning
  45           on this option will compile in support for DAX; you will need to
  46           mount the filesystem using the -o dax option.
  47
  48           If you do not have a block device that is capable of using this,
  49           or if unsure, say N.  Saying Y will increase the size of the kernel
  50           by about 5kB.
  51
  52 config FS_DAX_PMD
  53         bool
  54         default FS_DAX
  55         depends on FS_DAX
  56         depends on ZONE_DEVICE
  57         depends on TRANSPARENT_HUGEPAGE
  58         depends on BROKEN
  59
  60 endif # BLOCK
  61
  62 # Posix ACL utility routines
  63 #
  64 # Note: Posix ACLs can be implemented without these helpers.  Never use
  65 # this symbol for ifdefs in core code.
  66 #
  67 config FS_POSIX_ACL
  68         def_bool n
  69
  70 config EXPORTFS
  71         tristate
  72
  73 config FILE_LOCKING
  74         bool "Enable POSIX file locking API" if EXPERT
  75         default y
  76         help
  77           This option enables standard file locking support, required
  78           for filesystems like NFS and for the flock() system
  79           call. Disabling this option saves about 11k.
  80
  81 config MANDATORY_FILE_LOCKING
  82         bool "Enable Mandatory file locking"
  83         depends on FILE_LOCKING
  84         default y
  85         help
  86           This option enables files appropriately marked files on appropriely
  87           mounted filesystems to support mandatory locking.
  88
  89           To the best of my knowledge this is dead code that no one cares about.
  90
  91 source "fs/crypto/Kconfig"
  92
  93 source "fs/notify/Kconfig"
  94
  95 source "fs/quota/Kconfig"
  96
  97 source "fs/autofs4/Kconfig"
  98 source "fs/fuse/Kconfig"
  99 source "fs/overlayfs/Kconfig"
 100
 101 menu "Caches"
 102
 103 source "fs/fscache/Kconfig"
 104 source "fs/cachefiles/Kconfig"
 105
 106 endmenu
 107
 108 if BLOCK
 109 menu "CD-ROM/DVD Filesystems"
 110
 111 source "fs/isofs/Kconfig"
 112 source "fs/udf/Kconfig"
 113
 114 endmenu
 115 endif # BLOCK
 116
 117 if BLOCK
 118 menu "DOS/FAT/NT Filesystems"
 119
 120 source "fs/fat/Kconfig"
 121 source "fs/ntfs/Kconfig"
 122
 123 endmenu
 124 endif # BLOCK
 125
 126 menu "Pseudo filesystems"
 127
 128 source "fs/proc/Kconfig"
 129 source "fs/kernfs/Kconfig"
 130 source "fs/sysfs/Kconfig"
 131
 132 config TMPFS
 133         bool "Tmpfs virtual memory file system support (former shm fs)"
 134         depends on SHMEM
 135         help
 136           Tmpfs is a file system which keeps all files in virtual memory.
 137
 138           Everything in tmpfs is temporary in the sense that no files will be
 139           created on your hard drive. The files live in memory and swap
 140           space. If you unmount a tmpfs instance, everything stored therein is
 141           lost.
 142
 143           See <file:Documentation/filesystems/tmpfs.txt> for details.
 144
 145 config TMPFS_POSIX_ACL
 146         bool "Tmpfs POSIX Access Control Lists"
 147         depends on TMPFS
 148         select TMPFS_XATTR
 149         select FS_POSIX_ACL
 150         help
 151           POSIX Access Control Lists (ACLs) support additional access rights
 152           for users and groups beyond the standard owner/group/world scheme,
 153           and this option selects support for ACLs specifically for tmpfs
 154           filesystems.
 155
 156           If you've selected TMPFS, it's possible that you'll also need
 157           this option as there are a number of Linux distros that require
 158           POSIX ACL support under /dev for certain features to work properly.
 159           For example, some distros need this feature for ALSA-related /dev
 160           files for sound to work properly.  In short, if you're not sure,
 161           say Y.
 162
 163           To learn more about Access Control Lists, visit the POSIX ACLs for
 164           Linux website <http://acl.bestbits.at/>.
 165
 166 config TMPFS_XATTR
 167         bool "Tmpfs extended attributes"
 168         depends on TMPFS
 169         default n
 170         help
 171           Extended attributes are name:value pairs associated with inodes by
 172           the kernel or by users (see the attr(5) manual page, or visit
 173           <http://acl.bestbits.at/> for details).
 174
 175           Currently this enables support for the trusted.* and
 176           security.* namespaces.
 177
 178           You need this for POSIX ACL support on tmpfs.
 179
 180           If unsure, say N.
 181
 182 config HUGETLBFS
 183         bool "HugeTLB file system support"
 184         depends on X86 || IA64 || SPARC64 || (S390 && 64BIT) || \
 185                    SYS_SUPPORTS_HUGETLBFS || BROKEN
 186         help
 187           hugetlbfs is a filesystem backing for HugeTLB pages, based on
 188           ramfs. For architectures that support it, say Y here and read
 189           <file:Documentation/vm/hugetlbpage.txt> for details.
 190
 191           If unsure, say N.
 192
 193 config HUGETLB_PAGE
 194         def_bool HUGETLBFS
 195
 196 source "fs/configfs/Kconfig"
 197 source "fs/efivarfs/Kconfig"
 198
 199 endmenu
 200
 201 menuconfig MISC_FILESYSTEMS
 202         bool "Miscellaneous filesystems"
 203         default y
 204         ---help---
 205           Say Y here to get to see options for various miscellaneous
 206           filesystems, such as filesystems that came from other
 207           operating systems.
 208
 209           This option alone does not add any kernel code.
 210
 211           If you say N, all options in this submenu will be skipped and
 212           disabled; if unsure, say Y here.
 213
 214 if MISC_FILESYSTEMS
 215
 216 source "fs/orangefs/Kconfig"
 217 source "fs/adfs/Kconfig"
 218 source "fs/affs/Kconfig"
 219 source "fs/ecryptfs/Kconfig"
 220 source "fs/hfs/Kconfig"
 221 source "fs/hfsplus/Kconfig"
 222 source "fs/befs/Kconfig"
 223 source "fs/bfs/Kconfig"
 224 source "fs/efs/Kconfig"
 225 source "fs/jffs2/Kconfig"
 226 # UBIFS File system configuration
 227 source "fs/ubifs/Kconfig"
 228 source "fs/logfs/Kconfig"
 229 source "fs/cramfs/Kconfig"
 230 source "fs/squashfs/Kconfig"
 231 source "fs/freevxfs/Kconfig"
 232 source "fs/minix/Kconfig"
 233 source "fs/omfs/Kconfig"
 234 source "fs/hpfs/Kconfig"
 235 source "fs/qnx4/Kconfig"
 236 source "fs/qnx6/Kconfig"
 237 source "fs/romfs/Kconfig"
 238 source "fs/pstore/Kconfig"
 239 source "fs/sysv/Kconfig"
 240 source "fs/ufs/Kconfig"
 241 source "fs/exofs/Kconfig"
 242
 243 endif # MISC_FILESYSTEMS
 244
 245 source "fs/exofs/Kconfig.ore"
 246
 247 menuconfig NETWORK_FILESYSTEMS
 248         bool "Network File Systems"
 249         default y
 250         depends on NET
 251         ---help---
 252           Say Y here to get to see options for network filesystems and
 253           filesystem-related networking code, such as NFS daemon and
 254           RPCSEC security modules.
 255
 256           This option alone does not add any kernel code.
 257
 258           If you say N, all options in this submenu will be skipped and
 259           disabled; if unsure, say Y here.
 260
 261 if NETWORK_FILESYSTEMS
 262
 263 source "fs/nfs/Kconfig"
 264 source "fs/nfsd/Kconfig"
 265
 266 config GRACE_PERIOD
 267         tristate
 268
 269 config LOCKD
 270         tristate
 271         depends on FILE_LOCKING
 272         select GRACE_PERIOD
 273
 274 config LOCKD_V4
 275         bool
 276         depends on NFSD_V3 || NFS_V3
 277         depends on FILE_LOCKING
 278         default y
 279
 280 config NFS_ACL_SUPPORT
 281         tristate
 282         select FS_POSIX_ACL
 283
 284 config NFS_COMMON
 285         bool
 286         depends on NFSD || NFS_FS || LOCKD
 287         default y
 288
 289 source "net/sunrpc/Kconfig"
 290 source "fs/ceph/Kconfig"
 291 source "fs/cifs/Kconfig"
 292 source "fs/ncpfs/Kconfig"
 293 source "fs/coda/Kconfig"
 294 source "fs/afs/Kconfig"
 295 source "fs/9p/Kconfig"
 296
 297 endif # NETWORK_FILESYSTEMS
 298
 299 source "fs/nls/Kconfig"
 300 source "fs/dlm/Kconfig"
 301
 302 endmenu