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 depends on BROKEN 59 60endif # BLOCK 61 62# Posix ACL utility routines 63# 64# Note: Posix ACLs can be implemented without these helpers. Never use 65# this symbol for ifdefs in core code. 66# 67config FS_POSIX_ACL 68 def_bool n 69 70config EXPORTFS 71 tristate 72 73config EXPORTFS_BLOCK_OPS 74 bool "Enable filesystem export operations for block IO" 75 help 76 This option enables the export operations for a filesystem to support 77 external block IO. 78 79config FILE_LOCKING 80 bool "Enable POSIX file locking API" if EXPERT 81 default y 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 202source "fs/configfs/Kconfig" 203source "fs/efivarfs/Kconfig" 204 205endmenu 206 207menuconfig MISC_FILESYSTEMS 208 bool "Miscellaneous filesystems" 209 default y 210 ---help--- 211 Say Y here to get to see options for various miscellaneous 212 filesystems, such as filesystems that came from other 213 operating systems. 214 215 This option alone does not add any kernel code. 216 217 If you say N, all options in this submenu will be skipped and 218 disabled; if unsure, say Y here. 219 220if MISC_FILESYSTEMS 221 222source "fs/orangefs/Kconfig" 223source "fs/adfs/Kconfig" 224source "fs/affs/Kconfig" 225source "fs/ecryptfs/Kconfig" 226source "fs/hfs/Kconfig" 227source "fs/hfsplus/Kconfig" 228source "fs/befs/Kconfig" 229source "fs/bfs/Kconfig" 230source "fs/efs/Kconfig" 231source "fs/jffs2/Kconfig" 232# UBIFS File system configuration 233source "fs/ubifs/Kconfig" 234source "fs/logfs/Kconfig" 235source "fs/cramfs/Kconfig" 236source "fs/squashfs/Kconfig" 237source "fs/freevxfs/Kconfig" 238source "fs/minix/Kconfig" 239source "fs/omfs/Kconfig" 240source "fs/hpfs/Kconfig" 241source "fs/qnx4/Kconfig" 242source "fs/qnx6/Kconfig" 243source "fs/romfs/Kconfig" 244source "fs/pstore/Kconfig" 245source "fs/sysv/Kconfig" 246source "fs/ufs/Kconfig" 247source "fs/exofs/Kconfig" 248 249endif # MISC_FILESYSTEMS 250 251source "fs/exofs/Kconfig.ore" 252 253menuconfig NETWORK_FILESYSTEMS 254 bool "Network File Systems" 255 default y 256 depends on NET 257 ---help--- 258 Say Y here to get to see options for network filesystems and 259 filesystem-related networking code, such as NFS daemon and 260 RPCSEC security modules. 261 262 This option alone does not add any kernel code. 263 264 If you say N, all options in this submenu will be skipped and 265 disabled; if unsure, say Y here. 266 267if NETWORK_FILESYSTEMS 268 269source "fs/nfs/Kconfig" 270source "fs/nfsd/Kconfig" 271 272config GRACE_PERIOD 273 tristate 274 275config LOCKD 276 tristate 277 depends on FILE_LOCKING 278 select GRACE_PERIOD 279 280config LOCKD_V4 281 bool 282 depends on NFSD_V3 || NFS_V3 283 depends on FILE_LOCKING 284 default y 285 286config NFS_ACL_SUPPORT 287 tristate 288 select FS_POSIX_ACL 289 290config NFS_COMMON 291 bool 292 depends on NFSD || NFS_FS || LOCKD 293 default y 294 295source "net/sunrpc/Kconfig" 296source "fs/ceph/Kconfig" 297source "fs/cifs/Kconfig" 298source "fs/ncpfs/Kconfig" 299source "fs/coda/Kconfig" 300source "fs/afs/Kconfig" 301source "fs/9p/Kconfig" 302 303endif # NETWORK_FILESYSTEMS 304 305source "fs/nls/Kconfig" 306source "fs/dlm/Kconfig" 307 308endmenu 309