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