2 # File system configuration
7 # Use unaligned word dcache accesses
8 config DCACHE_WORD_ACCESS
16 source "fs/ext2/Kconfig"
17 source "fs/ext4/Kconfig"
18 source "fs/jbd2/Kconfig"
21 # Meta block cache for Extended Attributes (ext2/ext3/ext4)
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
27 source "fs/reiserfs/Kconfig"
28 source "fs/jfs/Kconfig"
30 source "fs/xfs/Kconfig"
31 source "fs/gfs2/Kconfig"
32 source "fs/ocfs2/Kconfig"
33 source "fs/btrfs/Kconfig"
34 source "fs/nilfs2/Kconfig"
35 source "fs/f2fs/Kconfig"
38 bool "Direct Access (DAX) support"
40 depends on !(ARM || MIPS || SPARC)
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.
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
56 depends on ZONE_DEVICE
57 depends on TRANSPARENT_HUGEPAGE
61 # Posix ACL utility routines
63 # Note: Posix ACLs can be implemented without these helpers. Never use
64 # this symbol for ifdefs in core code.
72 config EXPORTFS_BLOCK_OPS
73 bool "Enable filesystem export operations for block IO"
75 This option enables the export operations for a filesystem to support
79 bool "Enable POSIX file locking API" if EXPERT
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.
87 config MANDATORY_FILE_LOCKING
88 bool "Enable Mandatory file locking"
89 depends on FILE_LOCKING
92 This option enables files appropriately marked files on appropriely
93 mounted filesystems to support mandatory locking.
95 To the best of my knowledge this is dead code that no one cares about.
97 source "fs/crypto/Kconfig"
99 source "fs/notify/Kconfig"
101 source "fs/quota/Kconfig"
103 source "fs/autofs4/Kconfig"
104 source "fs/fuse/Kconfig"
105 source "fs/overlayfs/Kconfig"
109 source "fs/fscache/Kconfig"
110 source "fs/cachefiles/Kconfig"
115 menu "CD-ROM/DVD Filesystems"
117 source "fs/isofs/Kconfig"
118 source "fs/udf/Kconfig"
124 menu "DOS/FAT/NT Filesystems"
126 source "fs/fat/Kconfig"
127 source "fs/ntfs/Kconfig"
132 menu "Pseudo filesystems"
134 source "fs/proc/Kconfig"
135 source "fs/kernfs/Kconfig"
136 source "fs/sysfs/Kconfig"
139 bool "Tmpfs virtual memory file system support (former shm fs)"
142 Tmpfs is a file system which keeps all files in virtual memory.
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
149 See <file:Documentation/filesystems/tmpfs.txt> for details.
151 config TMPFS_POSIX_ACL
152 bool "Tmpfs POSIX Access Control Lists"
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
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,
169 To learn more about Access Control Lists, visit the POSIX ACLs for
170 Linux website <http://acl.bestbits.at/>.
173 bool "Tmpfs extended attributes"
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).
181 Currently this enables support for the trusted.* and
182 security.* namespaces.
184 You need this for POSIX ACL support on tmpfs.
189 bool "HugeTLB file system support"
190 depends on X86 || IA64 || SPARC64 || (S390 && 64BIT) || \
191 SYS_SUPPORTS_HUGETLBFS || BROKEN
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.
202 config ARCH_HAS_GIGANTIC_PAGE
205 source "fs/configfs/Kconfig"
206 source "fs/efivarfs/Kconfig"
210 menuconfig MISC_FILESYSTEMS
211 bool "Miscellaneous filesystems"
214 Say Y here to get to see options for various miscellaneous
215 filesystems, such as filesystems that came from other
218 This option alone does not add any kernel code.
220 If you say N, all options in this submenu will be skipped and
221 disabled; if unsure, say Y here.
225 source "fs/orangefs/Kconfig"
226 source "fs/adfs/Kconfig"
227 source "fs/affs/Kconfig"
228 source "fs/ecryptfs/Kconfig"
229 source "fs/hfs/Kconfig"
230 source "fs/hfsplus/Kconfig"
231 source "fs/befs/Kconfig"
232 source "fs/bfs/Kconfig"
233 source "fs/efs/Kconfig"
234 source "fs/jffs2/Kconfig"
235 # UBIFS File system configuration
236 source "fs/ubifs/Kconfig"
237 source "fs/cramfs/Kconfig"
238 source "fs/squashfs/Kconfig"
239 source "fs/freevxfs/Kconfig"
240 source "fs/minix/Kconfig"
241 source "fs/omfs/Kconfig"
242 source "fs/hpfs/Kconfig"
243 source "fs/qnx4/Kconfig"
244 source "fs/qnx6/Kconfig"
245 source "fs/romfs/Kconfig"
246 source "fs/pstore/Kconfig"
247 source "fs/sysv/Kconfig"
248 source "fs/ufs/Kconfig"
249 source "fs/exofs/Kconfig"
251 endif # MISC_FILESYSTEMS
253 source "fs/exofs/Kconfig.ore"
255 menuconfig NETWORK_FILESYSTEMS
256 bool "Network File Systems"
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.
264 This option alone does not add any kernel code.
266 If you say N, all options in this submenu will be skipped and
267 disabled; if unsure, say Y here.
269 if NETWORK_FILESYSTEMS
271 source "fs/nfs/Kconfig"
272 source "fs/nfsd/Kconfig"
279 depends on FILE_LOCKING
284 depends on NFSD_V3 || NFS_V3
285 depends on FILE_LOCKING
288 config NFS_ACL_SUPPORT
294 depends on NFSD || NFS_FS || LOCKD
297 source "net/sunrpc/Kconfig"
298 source "fs/ceph/Kconfig"
299 source "fs/cifs/Kconfig"
300 source "fs/ncpfs/Kconfig"
301 source "fs/coda/Kconfig"
302 source "fs/afs/Kconfig"
303 source "fs/9p/Kconfig"
305 endif # NETWORK_FILESYSTEMS
307 source "fs/nls/Kconfig"
308 source "fs/dlm/Kconfig"