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         depends on BROKEN
  56
  57 endif # BLOCK
  58
  59 # Posix ACL utility routines
  60 #
  61 # Note: Posix ACLs can be implemented without these helpers.  Never use
  62 # this symbol for ifdefs in core code.
  63 #
  64 config FS_POSIX_ACL
  65         def_bool n
  66
  67 config EXPORTFS
  68         tristate
  69
  70 config EXPORTFS_BLOCK_OPS
  71         bool "Enable filesystem export operations for block IO"
  72         help
  73           This option enables the export operations for a filesystem to support
  74           external block IO.
  75
  76 config FILE_LOCKING
  77         bool "Enable POSIX file locking API" if EXPERT
  78         default y
  79         help
  80           This option enables standard file locking support, required
  81           for filesystems like NFS and for the flock() system
  82           call. Disabling this option saves about 11k.
  83
  84 config MANDATORY_FILE_LOCKING
  85         bool "Enable Mandatory file locking"
  86         depends on FILE_LOCKING
  87         default y
  88         help
  89           This option enables files appropriately marked files on appropriely
  90           mounted filesystems to support mandatory locking.
  91
  92           To the best of my knowledge this is dead code that no one cares about.
  93
  94 source "fs/crypto/Kconfig"
  95
  96 source "fs/notify/Kconfig"
  97
  98 source "fs/quota/Kconfig"
  99
 100 source "fs/autofs4/Kconfig"
 101 source "fs/fuse/Kconfig"
 102 source "fs/overlayfs/Kconfig"
 103
 104 menu "Caches"
 105
 106 source "fs/fscache/Kconfig"
 107 source "fs/cachefiles/Kconfig"
 108
 109 endmenu
 110
 111 if BLOCK
 112 menu "CD-ROM/DVD Filesystems"
 113
 114 source "fs/isofs/Kconfig"
 115 source "fs/udf/Kconfig"
 116
 117 endmenu
 118 endif # BLOCK
 119
 120 if BLOCK
 121 menu "DOS/FAT/NT Filesystems"
 122
 123 source "fs/fat/Kconfig"
 124 source "fs/ntfs/Kconfig"
 125
 126 endmenu
 127 endif # BLOCK
 128
 129 menu "Pseudo filesystems"
 130
 131 source "fs/proc/Kconfig"
 132 source "fs/kernfs/Kconfig"
 133 source "fs/sysfs/Kconfig"
 134
 135 config TMPFS
 136         bool "Tmpfs virtual memory file system support (former shm fs)"
 137         depends on SHMEM
 138         help
 139           Tmpfs is a file system which keeps all files in virtual memory.
 140
 141           Everything in tmpfs is temporary in the sense that no files will be
 142           created on your hard drive. The files live in memory and swap
 143           space. If you unmount a tmpfs instance, everything stored therein is
 144           lost.
 145
 146           See <file:Documentation/filesystems/tmpfs.txt> for details.
 147
 148 config TMPFS_POSIX_ACL
 149         bool "Tmpfs POSIX Access Control Lists"
 150         depends on TMPFS
 151         select TMPFS_XATTR
 152         select FS_POSIX_ACL
 153         help
 154           POSIX Access Control Lists (ACLs) support additional access rights
 155           for users and groups beyond the standard owner/group/world scheme,
 156           and this option selects support for ACLs specifically for tmpfs
 157           filesystems.
 158
 159           If you've selected TMPFS, it's possible that you'll also need
 160           this option as there are a number of Linux distros that require
 161           POSIX ACL support under /dev for certain features to work properly.
 162           For example, some distros need this feature for ALSA-related /dev
 163           files for sound to work properly.  In short, if you're not sure,
 164           say Y.
 165
 166           To learn more about Access Control Lists, visit the POSIX ACLs for
 167           Linux website <http://acl.bestbits.at/>.
 168
 169 config TMPFS_XATTR
 170         bool "Tmpfs extended attributes"
 171         depends on TMPFS
 172         default n
 173         help
 174           Extended attributes are name:value pairs associated with inodes by
 175           the kernel or by users (see the attr(5) manual page, or visit
 176           <http://acl.bestbits.at/> for details).
 177
 178           Currently this enables support for the trusted.* and
 179           security.* namespaces.
 180
 181           You need this for POSIX ACL support on tmpfs.
 182
 183           If unsure, say N.
 184
 185 config HUGETLBFS
 186         bool "HugeTLB file system support"
 187         depends on X86 || IA64 || SPARC64 || (S390 && 64BIT) || \
 188                    SYS_SUPPORTS_HUGETLBFS || BROKEN
 189         help
 190           hugetlbfs is a filesystem backing for HugeTLB pages, based on
 191           ramfs. For architectures that support it, say Y here and read
 192           <file:Documentation/vm/hugetlbpage.txt> for details.
 193
 194           If unsure, say N.
 195
 196 config HUGETLB_PAGE
 197         def_bool HUGETLBFS
 198
 199 source "fs/configfs/Kconfig"
 200 source "fs/efivarfs/Kconfig"
 201
 202 endmenu
 203
 204 menuconfig MISC_FILESYSTEMS
 205         bool "Miscellaneous filesystems"
 206         default y
 207         ---help---
 208           Say Y here to get to see options for various miscellaneous
 209           filesystems, such as filesystems that came from other
 210           operating systems.
 211
 212           This option alone does not add any kernel code.
 213
 214           If you say N, all options in this submenu will be skipped and
 215           disabled; if unsure, say Y here.
 216
 217 if MISC_FILESYSTEMS
 218
 219 source "fs/orangefs/Kconfig"
 220 source "fs/adfs/Kconfig"
 221 source "fs/affs/Kconfig"
 222 source "fs/ecryptfs/Kconfig"
 223 source "fs/hfs/Kconfig"
 224 source "fs/hfsplus/Kconfig"
 225 source "fs/befs/Kconfig"
 226 source "fs/bfs/Kconfig"
 227 source "fs/efs/Kconfig"
 228 source "fs/jffs2/Kconfig"
 229 # UBIFS File system configuration
 230 source "fs/ubifs/Kconfig"
 231 source "fs/logfs/Kconfig"
 232 source "fs/cramfs/Kconfig"
 233 source "fs/squashfs/Kconfig"
 234 source "fs/freevxfs/Kconfig"
 235 source "fs/minix/Kconfig"
 236 source "fs/omfs/Kconfig"
 237 source "fs/hpfs/Kconfig"
 238 source "fs/qnx4/Kconfig"
 239 source "fs/qnx6/Kconfig"
 240 source "fs/romfs/Kconfig"
 241 source "fs/pstore/Kconfig"
 242 source "fs/sysv/Kconfig"
 243 source "fs/ufs/Kconfig"
 244 source "fs/exofs/Kconfig"
 245
 246 endif # MISC_FILESYSTEMS
 247
 248 source "fs/exofs/Kconfig.ore"
 249
 250 menuconfig NETWORK_FILESYSTEMS
 251         bool "Network File Systems"
 252         default y
 253         depends on NET
 254         ---help---
 255           Say Y here to get to see options for network filesystems and
 256           filesystem-related networking code, such as NFS daemon and
 257           RPCSEC security modules.
 258
 259           This option alone does not add any kernel code.
 260
 261           If you say N, all options in this submenu will be skipped and
 262           disabled; if unsure, say Y here.
 263
 264 if NETWORK_FILESYSTEMS
 265
 266 source "fs/nfs/Kconfig"
 267 source "fs/nfsd/Kconfig"
 268
 269 config GRACE_PERIOD
 270         tristate
 271
 272 config LOCKD
 273         tristate
 274         depends on FILE_LOCKING
 275         select GRACE_PERIOD
 276
 277 config LOCKD_V4
 278         bool
 279         depends on NFSD_V3 || NFS_V3
 280         depends on FILE_LOCKING
 281         default y
 282
 283 config NFS_ACL_SUPPORT
 284         tristate
 285         select FS_POSIX_ACL
 286
 287 config NFS_COMMON
 288         bool
 289         depends on NFSD || NFS_FS || LOCKD
 290         default y
 291
 292 source "net/sunrpc/Kconfig"
 293 source "fs/ceph/Kconfig"
 294 source "fs/cifs/Kconfig"
 295 source "fs/ncpfs/Kconfig"
 296 source "fs/coda/Kconfig"
 297 source "fs/afs/Kconfig"
 298 source "fs/9p/Kconfig"
 299
 300 endif # NETWORK_FILESYSTEMS
 301
 302 source "fs/nls/Kconfig"
 303 source "fs/dlm/Kconfig"
 304
 305 endmenu