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 49config FS_DAX_PMD 50 bool 51 default FS_DAX 52 depends on FS_DAX 53 depends on ZONE_DEVICE 54 depends on TRANSPARENT_HUGEPAGE 55 depends on BROKEN 56 57endif # BLOCK 58 59# Posix ACL utility routines 60# 61# Note: Posix ACLs can be implemented without these helpers. Never use 62# this symbol for ifdefs in core code. 63# 64config FS_POSIX_ACL 65 def_bool n 66 67config EXPORTFS 68 tristate 69 70config FILE_LOCKING 71 bool "Enable POSIX file locking API" if EXPERT 72 default y 73 help 74 This option enables standard file locking support, required 75 for filesystems like NFS and for the flock() system 76 call. Disabling this option saves about 11k. 77 78config MANDATORY_FILE_LOCKING 79 bool "Enable Mandatory file locking" 80 depends on FILE_LOCKING 81 default y 82 help 83 This option enables files appropriately marked files on appropriely 84 mounted filesystems to support mandatory locking. 85 86 To the best of my knowledge this is dead code that no one cares about. 87 88source "fs/crypto/Kconfig" 89 90source "fs/notify/Kconfig" 91 92source "fs/quota/Kconfig" 93 94source "fs/autofs4/Kconfig" 95source "fs/fuse/Kconfig" 96source "fs/overlayfs/Kconfig" 97 98menu "Caches" 99 100source "fs/fscache/Kconfig" 101source "fs/cachefiles/Kconfig" 102 103endmenu 104 105if BLOCK 106menu "CD-ROM/DVD Filesystems" 107 108source "fs/isofs/Kconfig" 109source "fs/udf/Kconfig" 110 111endmenu 112endif # BLOCK 113 114if BLOCK 115menu "DOS/FAT/NT Filesystems" 116 117source "fs/fat/Kconfig" 118source "fs/ntfs/Kconfig" 119 120endmenu 121endif # BLOCK 122 123menu "Pseudo filesystems" 124 125source "fs/proc/Kconfig" 126source "fs/kernfs/Kconfig" 127source "fs/sysfs/Kconfig" 128 129config TMPFS 130 bool "Tmpfs virtual memory file system support (former shm fs)" 131 depends on SHMEM 132 help 133 Tmpfs is a file system which keeps all files in virtual memory. 134 135 Everything in tmpfs is temporary in the sense that no files will be 136 created on your hard drive. The files live in memory and swap 137 space. If you unmount a tmpfs instance, everything stored therein is 138 lost. 139 140 See <file:Documentation/filesystems/tmpfs.txt> for details. 141 142config TMPFS_POSIX_ACL 143 bool "Tmpfs POSIX Access Control Lists" 144 depends on TMPFS 145 select TMPFS_XATTR 146 select FS_POSIX_ACL 147 help 148 POSIX Access Control Lists (ACLs) support additional access rights 149 for users and groups beyond the standard owner/group/world scheme, 150 and this option selects support for ACLs specifically for tmpfs 151 filesystems. 152 153 If you've selected TMPFS, it's possible that you'll also need 154 this option as there are a number of Linux distros that require 155 POSIX ACL support under /dev for certain features to work properly. 156 For example, some distros need this feature for ALSA-related /dev 157 files for sound to work properly. In short, if you're not sure, 158 say Y. 159 160 To learn more about Access Control Lists, visit the POSIX ACLs for 161 Linux website <http://acl.bestbits.at/>. 162 163config TMPFS_XATTR 164 bool "Tmpfs extended attributes" 165 depends on TMPFS 166 default n 167 help 168 Extended attributes are name:value pairs associated with inodes by 169 the kernel or by users (see the attr(5) manual page, or visit 170 <http://acl.bestbits.at/> for details). 171 172 Currently this enables support for the trusted.* and 173 security.* namespaces. 174 175 You need this for POSIX ACL support on tmpfs. 176 177 If unsure, say N. 178 179config HUGETLBFS 180 bool "HugeTLB file system support" 181 depends on X86 || IA64 || SPARC64 || (S390 && 64BIT) || \ 182 SYS_SUPPORTS_HUGETLBFS || BROKEN 183 help 184 hugetlbfs is a filesystem backing for HugeTLB pages, based on 185 ramfs. For architectures that support it, say Y here and read 186 <file:Documentation/vm/hugetlbpage.txt> for details. 187 188 If unsure, say N. 189 190config HUGETLB_PAGE 191 def_bool HUGETLBFS 192 193source "fs/configfs/Kconfig" 194source "fs/efivarfs/Kconfig" 195 196endmenu 197 198menuconfig MISC_FILESYSTEMS 199 bool "Miscellaneous filesystems" 200 default y 201 ---help--- 202 Say Y here to get to see options for various miscellaneous 203 filesystems, such as filesystems that came from other 204 operating systems. 205 206 This option alone does not add any kernel code. 207 208 If you say N, all options in this submenu will be skipped and 209 disabled; if unsure, say Y here. 210 211if MISC_FILESYSTEMS 212 213source "fs/orangefs/Kconfig" 214source "fs/adfs/Kconfig" 215source "fs/affs/Kconfig" 216source "fs/ecryptfs/Kconfig" 217source "fs/hfs/Kconfig" 218source "fs/hfsplus/Kconfig" 219source "fs/befs/Kconfig" 220source "fs/bfs/Kconfig" 221source "fs/efs/Kconfig" 222source "fs/jffs2/Kconfig" 223# UBIFS File system configuration 224source "fs/ubifs/Kconfig" 225source "fs/logfs/Kconfig" 226source "fs/cramfs/Kconfig" 227source "fs/squashfs/Kconfig" 228source "fs/freevxfs/Kconfig" 229source "fs/minix/Kconfig" 230source "fs/omfs/Kconfig" 231source "fs/hpfs/Kconfig" 232source "fs/qnx4/Kconfig" 233source "fs/qnx6/Kconfig" 234source "fs/romfs/Kconfig" 235source "fs/pstore/Kconfig" 236source "fs/sysv/Kconfig" 237source "fs/ufs/Kconfig" 238source "fs/exofs/Kconfig" 239 240endif # MISC_FILESYSTEMS 241 242source "fs/exofs/Kconfig.ore" 243 244menuconfig NETWORK_FILESYSTEMS 245 bool "Network File Systems" 246 default y 247 depends on NET 248 ---help--- 249 Say Y here to get to see options for network filesystems and 250 filesystem-related networking code, such as NFS daemon and 251 RPCSEC security modules. 252 253 This option alone does not add any kernel code. 254 255 If you say N, all options in this submenu will be skipped and 256 disabled; if unsure, say Y here. 257 258if NETWORK_FILESYSTEMS 259 260source "fs/nfs/Kconfig" 261source "fs/nfsd/Kconfig" 262 263config GRACE_PERIOD 264 tristate 265 266config LOCKD 267 tristate 268 depends on FILE_LOCKING 269 select GRACE_PERIOD 270 271config LOCKD_V4 272 bool 273 depends on NFSD_V3 || NFS_V3 274 depends on FILE_LOCKING 275 default y 276 277config NFS_ACL_SUPPORT 278 tristate 279 select FS_POSIX_ACL 280 281config NFS_COMMON 282 bool 283 depends on NFSD || NFS_FS || LOCKD 284 default y 285 286source "net/sunrpc/Kconfig" 287source "fs/ceph/Kconfig" 288source "fs/cifs/Kconfig" 289source "fs/ncpfs/Kconfig" 290source "fs/coda/Kconfig" 291source "fs/afs/Kconfig" 292source "fs/9p/Kconfig" 293 294endif # NETWORK_FILESYSTEMS 295 296source "fs/nls/Kconfig" 297source "fs/dlm/Kconfig" 298 299endmenu 300