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/ext3/Kconfig"
  15 source "fs/ext4/Kconfig"
  16 source "fs/jbd/Kconfig"
  17 source "fs/jbd2/Kconfig"
  18
  19 config FS_MBCACHE
  20 # Meta block cache for Extended Attributes (ext2/ext3/ext4)
  21         tristate
  22         default y if EXT2_FS=y && EXT2_FS_XATTR
  23         default y if EXT3_FS=y && EXT3_FS_XATTR
  24         default y if EXT4_FS=y
  25         default m if EXT2_FS_XATTR || EXT3_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 endif # BLOCK
  53
  54 # Posix ACL utility routines
  55 #
  56 # Note: Posix ACLs can be implemented without these helpers.  Never use
  57 # this symbol for ifdefs in core code.
  58 #
  59 config FS_POSIX_ACL
  60         def_bool n
  61
  62 config EXPORTFS
  63         tristate
  64
  65 config FILE_LOCKING
  66         bool "Enable POSIX file locking API" if EXPERT
  67         default y
  68         help
  69           This option enables standard file locking support, required
  70           for filesystems like NFS and for the flock() system
  71           call. Disabling this option saves about 11k.
  72
  73 source "fs/notify/Kconfig"
  74
  75 source "fs/quota/Kconfig"
  76
  77 source "fs/autofs4/Kconfig"
  78 source "fs/fuse/Kconfig"
  79 source "fs/overlayfs/Kconfig"
  80
  81 menu "Caches"
  82
  83 source "fs/fscache/Kconfig"
  84 source "fs/cachefiles/Kconfig"
  85
  86 endmenu
  87
  88 if BLOCK
  89 menu "CD-ROM/DVD Filesystems"
  90
  91 source "fs/isofs/Kconfig"
  92 source "fs/udf/Kconfig"
  93
  94 endmenu
  95 endif # BLOCK
  96
  97 if BLOCK
  98 menu "DOS/FAT/NT Filesystems"
  99
 100 source "fs/fat/Kconfig"
 101 source "fs/ntfs/Kconfig"
 102
 103 endmenu
 104 endif # BLOCK
 105
 106 menu "Pseudo filesystems"
 107
 108 source "fs/proc/Kconfig"
 109 source "fs/kernfs/Kconfig"
 110 source "fs/sysfs/Kconfig"
 111
 112 config TMPFS
 113         bool "Tmpfs virtual memory file system support (former shm fs)"
 114         depends on SHMEM
 115         help
 116           Tmpfs is a file system which keeps all files in virtual memory.
 117
 118           Everything in tmpfs is temporary in the sense that no files will be
 119           created on your hard drive. The files live in memory and swap
 120           space. If you unmount a tmpfs instance, everything stored therein is
 121           lost.
 122
 123           See <file:Documentation/filesystems/tmpfs.txt> for details.
 124
 125 config TMPFS_POSIX_ACL
 126         bool "Tmpfs POSIX Access Control Lists"
 127         depends on TMPFS
 128         select TMPFS_XATTR
 129         select FS_POSIX_ACL
 130         help
 131           POSIX Access Control Lists (ACLs) support additional access rights
 132           for users and groups beyond the standard owner/group/world scheme,
 133           and this option selects support for ACLs specifically for tmpfs
 134           filesystems.
 135
 136           If you've selected TMPFS, it's possible that you'll also need
 137           this option as there are a number of Linux distros that require
 138           POSIX ACL support under /dev for certain features to work properly.
 139           For example, some distros need this feature for ALSA-related /dev
 140           files for sound to work properly.  In short, if you're not sure,
 141           say Y.
 142
 143           To learn more about Access Control Lists, visit the POSIX ACLs for
 144           Linux website <http://acl.bestbits.at/>.
 145
 146 config TMPFS_XATTR
 147         bool "Tmpfs extended attributes"
 148         depends on TMPFS
 149         default n
 150         help
 151           Extended attributes are name:value pairs associated with inodes by
 152           the kernel or by users (see the attr(5) manual page, or visit
 153           <http://acl.bestbits.at/> for details).
 154
 155           Currently this enables support for the trusted.* and
 156           security.* namespaces.
 157
 158           You need this for POSIX ACL support on tmpfs.
 159
 160           If unsure, say N.
 161
 162 config HUGETLBFS
 163         bool "HugeTLB file system support"
 164         depends on X86 || IA64 || SPARC64 || (S390 && 64BIT) || \
 165                    SYS_SUPPORTS_HUGETLBFS || BROKEN
 166         help
 167           hugetlbfs is a filesystem backing for HugeTLB pages, based on
 168           ramfs. For architectures that support it, say Y here and read
 169           <file:Documentation/vm/hugetlbpage.txt> for details.
 170
 171           If unsure, say N.
 172
 173 config HUGETLB_PAGE
 174         def_bool HUGETLBFS
 175
 176 source "fs/configfs/Kconfig"
 177 source "fs/efivarfs/Kconfig"
 178
 179 endmenu
 180
 181 menuconfig MISC_FILESYSTEMS
 182         bool "Miscellaneous filesystems"
 183         default y
 184         ---help---
 185           Say Y here to get to see options for various miscellaneous
 186           filesystems, such as filesystems that came from other
 187           operating systems.
 188
 189           This option alone does not add any kernel code.
 190
 191           If you say N, all options in this submenu will be skipped and
 192           disabled; if unsure, say Y here.
 193
 194 if MISC_FILESYSTEMS
 195
 196 source "fs/adfs/Kconfig"
 197 source "fs/affs/Kconfig"
 198 source "fs/ecryptfs/Kconfig"
 199 source "fs/hfs/Kconfig"
 200 source "fs/hfsplus/Kconfig"
 201 source "fs/befs/Kconfig"
 202 source "fs/bfs/Kconfig"
 203 source "fs/efs/Kconfig"
 204 source "fs/jffs2/Kconfig"
 205 # UBIFS File system configuration
 206 source "fs/ubifs/Kconfig"
 207 source "fs/logfs/Kconfig"
 208 source "fs/cramfs/Kconfig"
 209 source "fs/squashfs/Kconfig"
 210 source "fs/freevxfs/Kconfig"
 211 source "fs/minix/Kconfig"
 212 source "fs/omfs/Kconfig"
 213 source "fs/hpfs/Kconfig"
 214 source "fs/qnx4/Kconfig"
 215 source "fs/qnx6/Kconfig"
 216 source "fs/romfs/Kconfig"
 217 source "fs/pstore/Kconfig"
 218 source "fs/sysv/Kconfig"
 219 source "fs/ufs/Kconfig"
 220 source "fs/exofs/Kconfig"
 221
 222 endif # MISC_FILESYSTEMS
 223
 224 source "fs/exofs/Kconfig.ore"
 225
 226 menuconfig NETWORK_FILESYSTEMS
 227         bool "Network File Systems"
 228         default y
 229         depends on NET
 230         ---help---
 231           Say Y here to get to see options for network filesystems and
 232           filesystem-related networking code, such as NFS daemon and
 233           RPCSEC security modules.
 234
 235           This option alone does not add any kernel code.
 236
 237           If you say N, all options in this submenu will be skipped and
 238           disabled; if unsure, say Y here.
 239
 240 if NETWORK_FILESYSTEMS
 241
 242 source "fs/nfs/Kconfig"
 243 source "fs/nfsd/Kconfig"
 244
 245 config GRACE_PERIOD
 246         tristate
 247
 248 config LOCKD
 249         tristate
 250         depends on FILE_LOCKING
 251         select GRACE_PERIOD
 252
 253 config LOCKD_V4
 254         bool
 255         depends on NFSD_V3 || NFS_V3
 256         depends on FILE_LOCKING
 257         default y
 258
 259 config NFS_ACL_SUPPORT
 260         tristate
 261         select FS_POSIX_ACL
 262
 263 config NFS_COMMON
 264         bool
 265         depends on NFSD || NFS_FS || LOCKD
 266         default y
 267
 268 source "net/sunrpc/Kconfig"
 269 source "fs/ceph/Kconfig"
 270 source "fs/cifs/Kconfig"
 271 source "fs/ncpfs/Kconfig"
 272 source "fs/coda/Kconfig"
 273 source "fs/afs/Kconfig"
 274 source "fs/9p/Kconfig"
 275
 276 endif # NETWORK_FILESYSTEMS
 277
 278 source "fs/nls/Kconfig"
 279 source "fs/dlm/Kconfig"
 280
 281 endmenu