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