2 # File system configuration
7 # Use unaligned word dcache accesses
8 config DCACHE_WORD_ACCESS
13 source "fs/ext2/Kconfig"
14 source "fs/ext3/Kconfig"
15 source "fs/ext4/Kconfig"
16 source "fs/jbd/Kconfig"
17 source "fs/jbd2/Kconfig"
20 # Meta block cache for Extended Attributes (ext2/ext3/ext4)
22 default y if EXT2_FS=y && EXT2_FS_XATTR
23 default y if EXT3_FS=y && EXT3_FS_XATTR
24 default y if EXT4_FS=y
25 default m if EXT2_FS_XATTR || EXT3_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"
37 bool "Direct Access (DAX) support"
40 Direct Access (DAX) can be used on memory-backed block devices.
41 If the block device supports DAX and the filesystem supports DAX,
42 then you can avoid using the pagecache to buffer I/Os. Turning
43 on this option will compile in support for DAX; you will need to
44 mount the filesystem using the -o dax option.
46 If you do not have a block device that is capable of using this,
47 or if unsure, say N. Saying Y will increase the size of the kernel
52 # Posix ACL utility routines
54 # Note: Posix ACLs can be implemented without these helpers. Never use
55 # this symbol for ifdefs in core code.
64 bool "Enable POSIX file locking API" if EXPERT
67 This option enables standard file locking support, required
68 for filesystems like NFS and for the flock() system
69 call. Disabling this option saves about 11k.
71 source "fs/notify/Kconfig"
73 source "fs/quota/Kconfig"
75 source "fs/autofs4/Kconfig"
76 source "fs/fuse/Kconfig"
77 source "fs/overlayfs/Kconfig"
81 source "fs/fscache/Kconfig"
82 source "fs/cachefiles/Kconfig"
87 menu "CD-ROM/DVD Filesystems"
89 source "fs/isofs/Kconfig"
90 source "fs/udf/Kconfig"
96 menu "DOS/FAT/NT Filesystems"
98 source "fs/fat/Kconfig"
99 source "fs/ntfs/Kconfig"
104 menu "Pseudo filesystems"
106 source "fs/proc/Kconfig"
107 source "fs/kernfs/Kconfig"
108 source "fs/sysfs/Kconfig"
111 bool "Tmpfs virtual memory file system support (former shm fs)"
114 Tmpfs is a file system which keeps all files in virtual memory.
116 Everything in tmpfs is temporary in the sense that no files will be
117 created on your hard drive. The files live in memory and swap
118 space. If you unmount a tmpfs instance, everything stored therein is
121 See <file:Documentation/filesystems/tmpfs.txt> for details.
123 config TMPFS_POSIX_ACL
124 bool "Tmpfs POSIX Access Control Lists"
129 POSIX Access Control Lists (ACLs) support additional access rights
130 for users and groups beyond the standard owner/group/world scheme,
131 and this option selects support for ACLs specifically for tmpfs
134 If you've selected TMPFS, it's possible that you'll also need
135 this option as there are a number of Linux distros that require
136 POSIX ACL support under /dev for certain features to work properly.
137 For example, some distros need this feature for ALSA-related /dev
138 files for sound to work properly. In short, if you're not sure,
141 To learn more about Access Control Lists, visit the POSIX ACLs for
142 Linux website <http://acl.bestbits.at/>.
145 bool "Tmpfs extended attributes"
149 Extended attributes are name:value pairs associated with inodes by
150 the kernel or by users (see the attr(5) manual page, or visit
151 <http://acl.bestbits.at/> for details).
153 Currently this enables support for the trusted.* and
154 security.* namespaces.
156 You need this for POSIX ACL support on tmpfs.
161 bool "HugeTLB file system support"
162 depends on X86 || IA64 || SPARC64 || (S390 && 64BIT) || \
163 SYS_SUPPORTS_HUGETLBFS || BROKEN
165 hugetlbfs is a filesystem backing for HugeTLB pages, based on
166 ramfs. For architectures that support it, say Y here and read
167 <file:Documentation/vm/hugetlbpage.txt> for details.
174 source "fs/configfs/Kconfig"
175 source "fs/efivarfs/Kconfig"
179 menuconfig MISC_FILESYSTEMS
180 bool "Miscellaneous filesystems"
183 Say Y here to get to see options for various miscellaneous
184 filesystems, such as filesystems that came from other
187 This option alone does not add any kernel code.
189 If you say N, all options in this submenu will be skipped and
190 disabled; if unsure, say Y here.
194 source "fs/adfs/Kconfig"
195 source "fs/affs/Kconfig"
196 source "fs/ecryptfs/Kconfig"
197 source "fs/hfs/Kconfig"
198 source "fs/hfsplus/Kconfig"
199 source "fs/befs/Kconfig"
200 source "fs/bfs/Kconfig"
201 source "fs/efs/Kconfig"
202 source "fs/jffs2/Kconfig"
203 # UBIFS File system configuration
204 source "fs/ubifs/Kconfig"
205 source "fs/logfs/Kconfig"
206 source "fs/cramfs/Kconfig"
207 source "fs/squashfs/Kconfig"
208 source "fs/freevxfs/Kconfig"
209 source "fs/minix/Kconfig"
210 source "fs/omfs/Kconfig"
211 source "fs/hpfs/Kconfig"
212 source "fs/qnx4/Kconfig"
213 source "fs/qnx6/Kconfig"
214 source "fs/romfs/Kconfig"
215 source "fs/pstore/Kconfig"
216 source "fs/sysv/Kconfig"
217 source "fs/ufs/Kconfig"
218 source "fs/exofs/Kconfig"
219 source "fs/f2fs/Kconfig"
221 endif # MISC_FILESYSTEMS
223 source "fs/exofs/Kconfig.ore"
225 menuconfig NETWORK_FILESYSTEMS
226 bool "Network File Systems"
230 Say Y here to get to see options for network filesystems and
231 filesystem-related networking code, such as NFS daemon and
232 RPCSEC security modules.
234 This option alone does not add any kernel code.
236 If you say N, all options in this submenu will be skipped and
237 disabled; if unsure, say Y here.
239 if NETWORK_FILESYSTEMS
241 source "fs/nfs/Kconfig"
242 source "fs/nfsd/Kconfig"
249 depends on FILE_LOCKING
254 depends on NFSD_V3 || NFS_V3
255 depends on FILE_LOCKING
258 config NFS_ACL_SUPPORT
264 depends on NFSD || NFS_FS || LOCKD
267 source "net/sunrpc/Kconfig"
268 source "fs/ceph/Kconfig"
269 source "fs/cifs/Kconfig"
270 source "fs/ncpfs/Kconfig"
271 source "fs/coda/Kconfig"
272 source "fs/afs/Kconfig"
273 source "fs/9p/Kconfig"
275 endif # NETWORK_FILESYSTEMS
277 source "fs/nls/Kconfig"
278 source "fs/dlm/Kconfig"