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 13config FS_IOMAP 14 bool 15 16source "fs/ext2/Kconfig" 17source "fs/ext4/Kconfig" 18source "fs/jbd2/Kconfig" 19 20config 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 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" 35source "fs/f2fs/Kconfig" 36 37config 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 52config 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 59endif # BLOCK 60 61# Posix ACL utility routines 62# 63# Note: Posix ACLs can be implemented without these helpers. Never use 64# this symbol for ifdefs in core code. 65# 66config FS_POSIX_ACL 67 def_bool n 68 69config EXPORTFS 70 tristate 71 72config EXPORTFS_BLOCK_OPS 73 bool "Enable filesystem export operations for block IO" 74 help 75 This option enables the export operations for a filesystem to support 76 external block IO. 77 78config FILE_LOCKING 79 bool "Enable POSIX file locking API" if EXPERT 80 default y 81 select PERCPU_RWSEM 82 help 83 This option enables standard file locking support, required 84 for filesystems like NFS and for the flock() system 85 call. Disabling this option saves about 11k. 86 87config MANDATORY_FILE_LOCKING 88 bool "Enable Mandatory file locking" 89 depends on FILE_LOCKING 90 default y 91 help 92 This option enables files appropriately marked files on appropriely 93 mounted filesystems to support mandatory locking. 94 95 To the best of my knowledge this is dead code that no one cares about. 96 97source "fs/crypto/Kconfig" 98 99source "fs/notify/Kconfig" 100 101source "fs/quota/Kconfig" 102 103source "fs/autofs4/Kconfig" 104source "fs/fuse/Kconfig" 105source "fs/overlayfs/Kconfig" 106 107menu "Caches" 108 109source "fs/fscache/Kconfig" 110source "fs/cachefiles/Kconfig" 111 112endmenu 113 114if BLOCK 115menu "CD-ROM/DVD Filesystems" 116 117source "fs/isofs/Kconfig" 118source "fs/udf/Kconfig" 119 120endmenu 121endif # BLOCK 122 123if BLOCK 124menu "DOS/FAT/NT Filesystems" 125 126source "fs/fat/Kconfig" 127source "fs/ntfs/Kconfig" 128 129endmenu 130endif # BLOCK 131 132menu "Pseudo filesystems" 133 134source "fs/proc/Kconfig" 135source "fs/kernfs/Kconfig" 136source "fs/sysfs/Kconfig" 137 138config TMPFS 139 bool "Tmpfs virtual memory file system support (former shm fs)" 140 depends on SHMEM 141 help 142 Tmpfs is a file system which keeps all files in virtual memory. 143 144 Everything in tmpfs is temporary in the sense that no files will be 145 created on your hard drive. The files live in memory and swap 146 space. If you unmount a tmpfs instance, everything stored therein is 147 lost. 148 149 See <file:Documentation/filesystems/tmpfs.txt> for details. 150 151config TMPFS_POSIX_ACL 152 bool "Tmpfs POSIX Access Control Lists" 153 depends on TMPFS 154 select TMPFS_XATTR 155 select FS_POSIX_ACL 156 help 157 POSIX Access Control Lists (ACLs) support additional access rights 158 for users and groups beyond the standard owner/group/world scheme, 159 and this option selects support for ACLs specifically for tmpfs 160 filesystems. 161 162 If you've selected TMPFS, it's possible that you'll also need 163 this option as there are a number of Linux distros that require 164 POSIX ACL support under /dev for certain features to work properly. 165 For example, some distros need this feature for ALSA-related /dev 166 files for sound to work properly. In short, if you're not sure, 167 say Y. 168 169 To learn more about Access Control Lists, visit the POSIX ACLs for 170 Linux website <http://acl.bestbits.at/>. 171 172config TMPFS_XATTR 173 bool "Tmpfs extended attributes" 174 depends on TMPFS 175 default n 176 help 177 Extended attributes are name:value pairs associated with inodes by 178 the kernel or by users (see the attr(5) manual page, or visit 179 <http://acl.bestbits.at/> for details). 180 181 Currently this enables support for the trusted.* and 182 security.* namespaces. 183 184 You need this for POSIX ACL support on tmpfs. 185 186 If unsure, say N. 187 188config HUGETLBFS 189 bool "HugeTLB file system support" 190 depends on X86 || IA64 || SPARC64 || (S390 && 64BIT) || \ 191 SYS_SUPPORTS_HUGETLBFS || BROKEN 192 help 193 hugetlbfs is a filesystem backing for HugeTLB pages, based on 194 ramfs. For architectures that support it, say Y here and read 195 <file:Documentation/vm/hugetlbpage.txt> for details. 196 197 If unsure, say N. 198 199config HUGETLB_PAGE 200 def_bool HUGETLBFS 201 202config ARCH_HAS_GIGANTIC_PAGE 203 bool 204 205source "fs/configfs/Kconfig" 206source "fs/efivarfs/Kconfig" 207 208endmenu 209 210menuconfig MISC_FILESYSTEMS 211 bool "Miscellaneous filesystems" 212 default y 213 ---help--- 214 Say Y here to get to see options for various miscellaneous 215 filesystems, such as filesystems that came from other 216 operating systems. 217 218 This option alone does not add any kernel code. 219 220 If you say N, all options in this submenu will be skipped and 221 disabled; if unsure, say Y here. 222 223if MISC_FILESYSTEMS 224 225source "fs/orangefs/Kconfig" 226source "fs/adfs/Kconfig" 227source "fs/affs/Kconfig" 228source "fs/ecryptfs/Kconfig" 229source "fs/hfs/Kconfig" 230source "fs/hfsplus/Kconfig" 231source "fs/befs/Kconfig" 232source "fs/bfs/Kconfig" 233source "fs/efs/Kconfig" 234source "fs/jffs2/Kconfig" 235# UBIFS File system configuration 236source "fs/ubifs/Kconfig" 237source "fs/cramfs/Kconfig" 238source "fs/squashfs/Kconfig" 239source "fs/freevxfs/Kconfig" 240source "fs/minix/Kconfig" 241source "fs/omfs/Kconfig" 242source "fs/hpfs/Kconfig" 243source "fs/qnx4/Kconfig" 244source "fs/qnx6/Kconfig" 245source "fs/romfs/Kconfig" 246source "fs/pstore/Kconfig" 247source "fs/sysv/Kconfig" 248source "fs/ufs/Kconfig" 249source "fs/exofs/Kconfig" 250 251endif # MISC_FILESYSTEMS 252 253source "fs/exofs/Kconfig.ore" 254 255menuconfig NETWORK_FILESYSTEMS 256 bool "Network File Systems" 257 default y 258 depends on NET 259 ---help--- 260 Say Y here to get to see options for network filesystems and 261 filesystem-related networking code, such as NFS daemon and 262 RPCSEC security modules. 263 264 This option alone does not add any kernel code. 265 266 If you say N, all options in this submenu will be skipped and 267 disabled; if unsure, say Y here. 268 269if NETWORK_FILESYSTEMS 270 271source "fs/nfs/Kconfig" 272source "fs/nfsd/Kconfig" 273 274config GRACE_PERIOD 275 tristate 276 277config LOCKD 278 tristate 279 depends on FILE_LOCKING 280 select GRACE_PERIOD 281 282config LOCKD_V4 283 bool 284 depends on NFSD_V3 || NFS_V3 285 depends on FILE_LOCKING 286 default y 287 288config NFS_ACL_SUPPORT 289 tristate 290 select FS_POSIX_ACL 291 292config NFS_COMMON 293 bool 294 depends on NFSD || NFS_FS || LOCKD 295 default y 296 297source "net/sunrpc/Kconfig" 298source "fs/ceph/Kconfig" 299source "fs/cifs/Kconfig" 300source "fs/ncpfs/Kconfig" 301source "fs/coda/Kconfig" 302source "fs/afs/Kconfig" 303source "fs/9p/Kconfig" 304 305endif # NETWORK_FILESYSTEMS 306 307source "fs/nls/Kconfig" 308source "fs/dlm/Kconfig" 309 310endmenu 311