1# 2# File system configuration 3# 4 5menu "File systems" 6 7# Use unaligned word dcache accesses 8config DCACHE_WORD_ACCESS 9 bool 10 11if BLOCK 12 13source "fs/ext2/Kconfig" 14source "fs/ext3/Kconfig" 15source "fs/ext4/Kconfig" 16source "fs/jbd/Kconfig" 17source "fs/jbd2/Kconfig" 18 19config 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 27source "fs/reiserfs/Kconfig" 28source "fs/jfs/Kconfig" 29 30source "fs/xfs/Kconfig" 31source "fs/gfs2/Kconfig" 32source "fs/ocfs2/Kconfig" 33source "fs/btrfs/Kconfig" 34source "fs/nilfs2/Kconfig" 35 36config FS_DAX 37 bool "Direct Access (DAX) support" 38 depends on MMU 39 depends on !(ARM || MIPS || SPARC) 40 help 41 Direct Access (DAX) can be used on memory-backed block devices. 42 If the block device supports DAX and the filesystem supports DAX, 43 then you can avoid using the pagecache to buffer I/Os. Turning 44 on this option will compile in support for DAX; you will need to 45 mount the filesystem using the -o dax option. 46 47 If you do not have a block device that is capable of using this, 48 or if unsure, say N. Saying Y will increase the size of the kernel 49 by about 5kB. 50 51endif # BLOCK 52 53# Posix ACL utility routines 54# 55# Note: Posix ACLs can be implemented without these helpers. Never use 56# this symbol for ifdefs in core code. 57# 58config FS_POSIX_ACL 59 def_bool n 60 61config EXPORTFS 62 tristate 63 64config FILE_LOCKING 65 bool "Enable POSIX file locking API" if EXPERT 66 default y 67 help 68 This option enables standard file locking support, required 69 for filesystems like NFS and for the flock() system 70 call. Disabling this option saves about 11k. 71 72source "fs/notify/Kconfig" 73 74source "fs/quota/Kconfig" 75 76source "fs/autofs4/Kconfig" 77source "fs/fuse/Kconfig" 78source "fs/overlayfs/Kconfig" 79 80menu "Caches" 81 82source "fs/fscache/Kconfig" 83source "fs/cachefiles/Kconfig" 84 85endmenu 86 87if BLOCK 88menu "CD-ROM/DVD Filesystems" 89 90source "fs/isofs/Kconfig" 91source "fs/udf/Kconfig" 92 93endmenu 94endif # BLOCK 95 96if BLOCK 97menu "DOS/FAT/NT Filesystems" 98 99source "fs/fat/Kconfig" 100source "fs/ntfs/Kconfig" 101 102endmenu 103endif # BLOCK 104 105menu "Pseudo filesystems" 106 107source "fs/proc/Kconfig" 108source "fs/kernfs/Kconfig" 109source "fs/sysfs/Kconfig" 110 111config TMPFS 112 bool "Tmpfs virtual memory file system support (former shm fs)" 113 depends on SHMEM 114 help 115 Tmpfs is a file system which keeps all files in virtual memory. 116 117 Everything in tmpfs is temporary in the sense that no files will be 118 created on your hard drive. The files live in memory and swap 119 space. If you unmount a tmpfs instance, everything stored therein is 120 lost. 121 122 See <file:Documentation/filesystems/tmpfs.txt> for details. 123 124config TMPFS_POSIX_ACL 125 bool "Tmpfs POSIX Access Control Lists" 126 depends on TMPFS 127 select TMPFS_XATTR 128 select FS_POSIX_ACL 129 help 130 POSIX Access Control Lists (ACLs) support additional access rights 131 for users and groups beyond the standard owner/group/world scheme, 132 and this option selects support for ACLs specifically for tmpfs 133 filesystems. 134 135 If you've selected TMPFS, it's possible that you'll also need 136 this option as there are a number of Linux distros that require 137 POSIX ACL support under /dev for certain features to work properly. 138 For example, some distros need this feature for ALSA-related /dev 139 files for sound to work properly. In short, if you're not sure, 140 say Y. 141 142 To learn more about Access Control Lists, visit the POSIX ACLs for 143 Linux website <http://acl.bestbits.at/>. 144 145config TMPFS_XATTR 146 bool "Tmpfs extended attributes" 147 depends on TMPFS 148 default n 149 help 150 Extended attributes are name:value pairs associated with inodes by 151 the kernel or by users (see the attr(5) manual page, or visit 152 <http://acl.bestbits.at/> for details). 153 154 Currently this enables support for the trusted.* and 155 security.* namespaces. 156 157 You need this for POSIX ACL support on tmpfs. 158 159 If unsure, say N. 160 161config HUGETLBFS 162 bool "HugeTLB file system support" 163 depends on X86 || IA64 || SPARC64 || (S390 && 64BIT) || \ 164 SYS_SUPPORTS_HUGETLBFS || BROKEN 165 help 166 hugetlbfs is a filesystem backing for HugeTLB pages, based on 167 ramfs. For architectures that support it, say Y here and read 168 <file:Documentation/vm/hugetlbpage.txt> for details. 169 170 If unsure, say N. 171 172config HUGETLB_PAGE 173 def_bool HUGETLBFS 174 175source "fs/configfs/Kconfig" 176source "fs/efivarfs/Kconfig" 177 178endmenu 179 180menuconfig MISC_FILESYSTEMS 181 bool "Miscellaneous filesystems" 182 default y 183 ---help--- 184 Say Y here to get to see options for various miscellaneous 185 filesystems, such as filesystems that came from other 186 operating systems. 187 188 This option alone does not add any kernel code. 189 190 If you say N, all options in this submenu will be skipped and 191 disabled; if unsure, say Y here. 192 193if MISC_FILESYSTEMS 194 195source "fs/adfs/Kconfig" 196source "fs/affs/Kconfig" 197source "fs/ecryptfs/Kconfig" 198source "fs/hfs/Kconfig" 199source "fs/hfsplus/Kconfig" 200source "fs/befs/Kconfig" 201source "fs/bfs/Kconfig" 202source "fs/efs/Kconfig" 203source "fs/jffs2/Kconfig" 204# UBIFS File system configuration 205source "fs/ubifs/Kconfig" 206source "fs/logfs/Kconfig" 207source "fs/cramfs/Kconfig" 208source "fs/squashfs/Kconfig" 209source "fs/freevxfs/Kconfig" 210source "fs/minix/Kconfig" 211source "fs/omfs/Kconfig" 212source "fs/hpfs/Kconfig" 213source "fs/qnx4/Kconfig" 214source "fs/qnx6/Kconfig" 215source "fs/romfs/Kconfig" 216source "fs/pstore/Kconfig" 217source "fs/sysv/Kconfig" 218source "fs/ufs/Kconfig" 219source "fs/exofs/Kconfig" 220source "fs/f2fs/Kconfig" 221 222endif # MISC_FILESYSTEMS 223 224source "fs/exofs/Kconfig.ore" 225 226menuconfig 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 240if NETWORK_FILESYSTEMS 241 242source "fs/nfs/Kconfig" 243source "fs/nfsd/Kconfig" 244 245config GRACE_PERIOD 246 tristate 247 248config LOCKD 249 tristate 250 depends on FILE_LOCKING 251 select GRACE_PERIOD 252 253config LOCKD_V4 254 bool 255 depends on NFSD_V3 || NFS_V3 256 depends on FILE_LOCKING 257 default y 258 259config NFS_ACL_SUPPORT 260 tristate 261 select FS_POSIX_ACL 262 263config NFS_COMMON 264 bool 265 depends on NFSD || NFS_FS || LOCKD 266 default y 267 268source "net/sunrpc/Kconfig" 269source "fs/ceph/Kconfig" 270source "fs/cifs/Kconfig" 271source "fs/ncpfs/Kconfig" 272source "fs/coda/Kconfig" 273source "fs/afs/Kconfig" 274source "fs/9p/Kconfig" 275 276endif # NETWORK_FILESYSTEMS 277 278source "fs/nls/Kconfig" 279source "fs/dlm/Kconfig" 280 281endmenu 282