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 select FS_IOMAP 42 help 43 Direct Access (DAX) can be used on memory-backed block devices. 44 If the block device supports DAX and the filesystem supports DAX, 45 then you can avoid using the pagecache to buffer I/Os. Turning 46 on this option will compile in support for DAX; you will need to 47 mount the filesystem using the -o dax option. 48 49 If you do not have a block device that is capable of using this, 50 or if unsure, say N. Saying Y will increase the size of the kernel 51 by about 5kB. 52 53config FS_DAX_PMD 54 bool 55 default FS_DAX 56 depends on FS_DAX 57 depends on ZONE_DEVICE 58 depends on TRANSPARENT_HUGEPAGE 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 select PERCPU_RWSEM 83 help 84 This option enables standard file locking support, required 85 for filesystems like NFS and for the flock() system 86 call. Disabling this option saves about 11k. 87 88config MANDATORY_FILE_LOCKING 89 bool "Enable Mandatory file locking" 90 depends on FILE_LOCKING 91 default y 92 help 93 This option enables files appropriately marked files on appropriely 94 mounted filesystems to support mandatory locking. 95 96 To the best of my knowledge this is dead code that no one cares about. 97 98source "fs/crypto/Kconfig" 99 100source "fs/notify/Kconfig" 101 102source "fs/quota/Kconfig" 103 104source "fs/autofs4/Kconfig" 105source "fs/fuse/Kconfig" 106source "fs/overlayfs/Kconfig" 107 108menu "Caches" 109 110source "fs/fscache/Kconfig" 111source "fs/cachefiles/Kconfig" 112 113endmenu 114 115if BLOCK 116menu "CD-ROM/DVD Filesystems" 117 118source "fs/isofs/Kconfig" 119source "fs/udf/Kconfig" 120 121endmenu 122endif # BLOCK 123 124if BLOCK 125menu "DOS/FAT/NT Filesystems" 126 127source "fs/fat/Kconfig" 128source "fs/ntfs/Kconfig" 129 130endmenu 131endif # BLOCK 132 133menu "Pseudo filesystems" 134 135source "fs/proc/Kconfig" 136source "fs/kernfs/Kconfig" 137source "fs/sysfs/Kconfig" 138 139config TMPFS 140 bool "Tmpfs virtual memory file system support (former shm fs)" 141 depends on SHMEM 142 help 143 Tmpfs is a file system which keeps all files in virtual memory. 144 145 Everything in tmpfs is temporary in the sense that no files will be 146 created on your hard drive. The files live in memory and swap 147 space. If you unmount a tmpfs instance, everything stored therein is 148 lost. 149 150 See <file:Documentation/filesystems/tmpfs.txt> for details. 151 152config TMPFS_POSIX_ACL 153 bool "Tmpfs POSIX Access Control Lists" 154 depends on TMPFS 155 select TMPFS_XATTR 156 select FS_POSIX_ACL 157 help 158 POSIX Access Control Lists (ACLs) support additional access rights 159 for users and groups beyond the standard owner/group/world scheme, 160 and this option selects support for ACLs specifically for tmpfs 161 filesystems. 162 163 If you've selected TMPFS, it's possible that you'll also need 164 this option as there are a number of Linux distros that require 165 POSIX ACL support under /dev for certain features to work properly. 166 For example, some distros need this feature for ALSA-related /dev 167 files for sound to work properly. In short, if you're not sure, 168 say Y. 169 170 To learn more about Access Control Lists, visit the POSIX ACLs for 171 Linux website <http://acl.bestbits.at/>. 172 173config TMPFS_XATTR 174 bool "Tmpfs extended attributes" 175 depends on TMPFS 176 default n 177 help 178 Extended attributes are name:value pairs associated with inodes by 179 the kernel or by users (see the attr(5) manual page, or visit 180 <http://acl.bestbits.at/> for details). 181 182 Currently this enables support for the trusted.* and 183 security.* namespaces. 184 185 You need this for POSIX ACL support on tmpfs. 186 187 If unsure, say N. 188 189config HUGETLBFS 190 bool "HugeTLB file system support" 191 depends on X86 || IA64 || SPARC64 || (S390 && 64BIT) || \ 192 SYS_SUPPORTS_HUGETLBFS || BROKEN 193 help 194 hugetlbfs is a filesystem backing for HugeTLB pages, based on 195 ramfs. For architectures that support it, say Y here and read 196 <file:Documentation/vm/hugetlbpage.txt> for details. 197 198 If unsure, say N. 199 200config HUGETLB_PAGE 201 def_bool HUGETLBFS 202 203config ARCH_HAS_GIGANTIC_PAGE 204 bool 205 206source "fs/configfs/Kconfig" 207source "fs/efivarfs/Kconfig" 208 209endmenu 210 211menuconfig MISC_FILESYSTEMS 212 bool "Miscellaneous filesystems" 213 default y 214 ---help--- 215 Say Y here to get to see options for various miscellaneous 216 filesystems, such as filesystems that came from other 217 operating systems. 218 219 This option alone does not add any kernel code. 220 221 If you say N, all options in this submenu will be skipped and 222 disabled; if unsure, say Y here. 223 224if MISC_FILESYSTEMS 225 226source "fs/orangefs/Kconfig" 227source "fs/adfs/Kconfig" 228source "fs/affs/Kconfig" 229source "fs/ecryptfs/Kconfig" 230source "fs/hfs/Kconfig" 231source "fs/hfsplus/Kconfig" 232source "fs/befs/Kconfig" 233source "fs/bfs/Kconfig" 234source "fs/efs/Kconfig" 235source "fs/jffs2/Kconfig" 236# UBIFS File system configuration 237source "fs/ubifs/Kconfig" 238source "fs/cramfs/Kconfig" 239source "fs/squashfs/Kconfig" 240source "fs/freevxfs/Kconfig" 241source "fs/minix/Kconfig" 242source "fs/omfs/Kconfig" 243source "fs/hpfs/Kconfig" 244source "fs/qnx4/Kconfig" 245source "fs/qnx6/Kconfig" 246source "fs/romfs/Kconfig" 247source "fs/pstore/Kconfig" 248source "fs/sysv/Kconfig" 249source "fs/ufs/Kconfig" 250source "fs/exofs/Kconfig" 251 252endif # MISC_FILESYSTEMS 253 254source "fs/exofs/Kconfig.ore" 255 256menuconfig NETWORK_FILESYSTEMS 257 bool "Network File Systems" 258 default y 259 depends on NET 260 ---help--- 261 Say Y here to get to see options for network filesystems and 262 filesystem-related networking code, such as NFS daemon and 263 RPCSEC security modules. 264 265 This option alone does not add any kernel code. 266 267 If you say N, all options in this submenu will be skipped and 268 disabled; if unsure, say Y here. 269 270if NETWORK_FILESYSTEMS 271 272source "fs/nfs/Kconfig" 273source "fs/nfsd/Kconfig" 274 275config GRACE_PERIOD 276 tristate 277 278config LOCKD 279 tristate 280 depends on FILE_LOCKING 281 select GRACE_PERIOD 282 283config LOCKD_V4 284 bool 285 depends on NFSD_V3 || NFS_V3 286 depends on FILE_LOCKING 287 default y 288 289config NFS_ACL_SUPPORT 290 tristate 291 select FS_POSIX_ACL 292 293config NFS_COMMON 294 bool 295 depends on NFSD || NFS_FS || LOCKD 296 default y 297 298source "net/sunrpc/Kconfig" 299source "fs/ceph/Kconfig" 300source "fs/cifs/Kconfig" 301source "fs/ncpfs/Kconfig" 302source "fs/coda/Kconfig" 303source "fs/afs/Kconfig" 304source "fs/9p/Kconfig" 305 306endif # NETWORK_FILESYSTEMS 307 308source "fs/nls/Kconfig" 309source "fs/dlm/Kconfig" 310 311endmenu 312