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1#
2# File system configuration
3#
4
5menu "File systems"
6
7if BLOCK
8
9source "fs/ext2/Kconfig"
10source "fs/ext3/Kconfig"
11source "fs/ext4/Kconfig"
12
13config FS_XIP
14# execute in place
15 bool
16 depends on EXT2_FS_XIP
17 default y
18
19source "fs/jbd/Kconfig"
20source "fs/jbd2/Kconfig"
21
22config FS_MBCACHE
23# Meta block cache for Extended Attributes (ext2/ext3/ext4)
24 tristate
25 default y if EXT2_FS=y && EXT2_FS_XATTR
26 default y if EXT3_FS=y && EXT3_FS_XATTR
27 default y if EXT4_FS=y && EXT4_FS_XATTR
28 default m if EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4_FS_XATTR
29
30source "fs/reiserfs/Kconfig"
31source "fs/jfs/Kconfig"
32
33source "fs/xfs/Kconfig"
34source "fs/gfs2/Kconfig"
35source "fs/ocfs2/Kconfig"
36source "fs/btrfs/Kconfig"
37source "fs/nilfs2/Kconfig"
38
39endif # BLOCK
40
41# Posix ACL utility routines
42#
43# Note: Posix ACLs can be implemented without these helpers. Never use
44# this symbol for ifdefs in core code.
45#
46config FS_POSIX_ACL
47 def_bool n
48
49config EXPORTFS
50 tristate
51
52config FILE_LOCKING
53 bool "Enable POSIX file locking API" if EXPERT
54 default y
55 help
56 This option enables standard file locking support, required
57 for filesystems like NFS and for the flock() system
58 call. Disabling this option saves about 11k.
59
60source "fs/notify/Kconfig"
61
62source "fs/quota/Kconfig"
63
64source "fs/autofs4/Kconfig"
65source "fs/fuse/Kconfig"
66
67config CUSE
68 tristate "Character device in Userspace support"
69 depends on FUSE_FS
70 help
71 This FUSE extension allows character devices to be
72 implemented in userspace.
73
74 If you want to develop or use userspace character device
75 based on CUSE, answer Y or M.
76
77config GENERIC_ACL
78 bool
79 select FS_POSIX_ACL
80
81menu "Caches"
82
83source "fs/fscache/Kconfig"
84source "fs/cachefiles/Kconfig"
85
86endmenu
87
88if BLOCK
89menu "CD-ROM/DVD Filesystems"
90
91source "fs/isofs/Kconfig"
92source "fs/udf/Kconfig"
93
94endmenu
95endif # BLOCK
96
97if BLOCK
98menu "DOS/FAT/NT Filesystems"
99
100source "fs/fat/Kconfig"
101source "fs/ntfs/Kconfig"
102
103endmenu
104endif # BLOCK
105
106menu "Pseudo filesystems"
107
108source "fs/proc/Kconfig"
109source "fs/sysfs/Kconfig"
110
111config TMPFS
112 bool "Virtual memory file system support (former shm fs)"
113 depends on SHMEM
114 help
115 Tmpfs is a file system which keeps all files in virtual memory.
116
117 Everything in tmpfs is temporary in the sense that no files will be
118 created on your hard drive. The files live in memory and swap
119 space. If you unmount a tmpfs instance, everything stored therein is
120 lost.
121
122 See <file:Documentation/filesystems/tmpfs.txt> for details.
123
124config TMPFS_POSIX_ACL
125 bool "Tmpfs POSIX Access Control Lists"
126 depends on TMPFS
127 select TMPFS_XATTR
128 select GENERIC_ACL
129 help
130 POSIX Access Control Lists (ACLs) support additional access rights
131 for users and groups beyond the standard owner/group/world scheme,
132 and this option selects support for ACLs specifically for tmpfs
133 filesystems.
134
135 If you've selected TMPFS, it's possible that you'll also need
136 this option as there are a number of Linux distros that require
137 POSIX ACL support under /dev for certain features to work properly.
138 For example, some distros need this feature for ALSA-related /dev
139 files for sound to work properly. In short, if you're not sure,
140 say Y.
141
142 To learn more about Access Control Lists, visit the POSIX ACLs for
143 Linux website <http://acl.bestbits.at/>.
144
145config TMPFS_XATTR
146 bool "Tmpfs extended attributes"
147 depends on TMPFS
148 default n
149 help
150 Extended attributes are name:value pairs associated with inodes by
151 the kernel or by users (see the attr(5) manual page, or visit
152 <http://acl.bestbits.at/> for details).
153
154 Currently this enables support for the trusted.* and
155 security.* namespaces.
156
157 You need this for POSIX ACL support on tmpfs.
158
159 If unsure, say N.
160
161config HUGETLBFS
162 bool "HugeTLB file system support"
163 depends on X86 || IA64 || SPARC64 || (S390 && 64BIT) || \
164 SYS_SUPPORTS_HUGETLBFS || BROKEN
165 help
166 hugetlbfs is a filesystem backing for HugeTLB pages, based on
167 ramfs. For architectures that support it, say Y here and read
168 <file:Documentation/vm/hugetlbpage.txt> for details.
169
170 If unsure, say N.
171
172config HUGETLB_PAGE
173 def_bool HUGETLBFS
174
175source "fs/configfs/Kconfig"
176
177endmenu
178
179menuconfig MISC_FILESYSTEMS
180 bool "Miscellaneous filesystems"
181 default y
182 ---help---
183 Say Y here to get to see options for various miscellaneous
184 filesystems, such as filesystems that came from other
185 operating systems.
186
187 This option alone does not add any kernel code.
188
189 If you say N, all options in this submenu will be skipped and
190 disabled; if unsure, say Y here.
191
192if MISC_FILESYSTEMS
193
194source "fs/adfs/Kconfig"
195source "fs/affs/Kconfig"
196source "fs/ecryptfs/Kconfig"
197source "fs/hfs/Kconfig"
198source "fs/hfsplus/Kconfig"
199source "fs/befs/Kconfig"
200source "fs/bfs/Kconfig"
201source "fs/efs/Kconfig"
202source "fs/jffs2/Kconfig"
203# UBIFS File system configuration
204source "fs/ubifs/Kconfig"
205source "fs/logfs/Kconfig"
206source "fs/cramfs/Kconfig"
207source "fs/squashfs/Kconfig"
208source "fs/freevxfs/Kconfig"
209source "fs/minix/Kconfig"
210source "fs/omfs/Kconfig"
211source "fs/hpfs/Kconfig"
212source "fs/qnx4/Kconfig"
213source "fs/romfs/Kconfig"
214source "fs/pstore/Kconfig"
215source "fs/sysv/Kconfig"
216source "fs/ufs/Kconfig"
217source "fs/exofs/Kconfig"
218
219endif # MISC_FILESYSTEMS
220
221menuconfig NETWORK_FILESYSTEMS
222 bool "Network File Systems"
223 default y
224 depends on NET
225 ---help---
226 Say Y here to get to see options for network filesystems and
227 filesystem-related networking code, such as NFS daemon and
228 RPCSEC security modules.
229
230 This option alone does not add any kernel code.
231
232 If you say N, all options in this submenu will be skipped and
233 disabled; if unsure, say Y here.
234
235if NETWORK_FILESYSTEMS
236
237source "fs/nfs/Kconfig"
238source "fs/nfsd/Kconfig"
239
240config LOCKD
241 tristate
242 depends on FILE_LOCKING
243
244config LOCKD_V4
245 bool
246 depends on NFSD_V3 || NFS_V3
247 depends on FILE_LOCKING
248 default y
249
250config NFS_ACL_SUPPORT
251 tristate
252 select FS_POSIX_ACL
253
254config NFS_COMMON
255 bool
256 depends on NFSD || NFS_FS
257 default y
258
259source "net/sunrpc/Kconfig"
260source "fs/ceph/Kconfig"
261source "fs/cifs/Kconfig"
262source "fs/ncpfs/Kconfig"
263source "fs/coda/Kconfig"
264source "fs/afs/Kconfig"
265source "fs/9p/Kconfig"
266
267endif # NETWORK_FILESYSTEMS
268
269if BLOCK
270menu "Partition Types"
271
272source "fs/partitions/Kconfig"
273
274endmenu
275endif
276
277source "fs/nls/Kconfig"
278source "fs/dlm/Kconfig"
279
280endmenu
1# SPDX-License-Identifier: GPL-2.0-only
2#
3# File system configuration
4#
5
6menu "File systems"
7
8# Use unaligned word dcache accesses
9config DCACHE_WORD_ACCESS
10 bool
11
12config VALIDATE_FS_PARSER
13 bool "Validate filesystem parameter description"
14 help
15 Enable this to perform validation of the parameter description for a
16 filesystem when it is registered.
17
18if BLOCK
19
20config FS_IOMAP
21 bool
22
23source "fs/ext2/Kconfig"
24source "fs/ext4/Kconfig"
25source "fs/jbd2/Kconfig"
26
27config FS_MBCACHE
28# Meta block cache for Extended Attributes (ext2/ext3/ext4)
29 tristate
30 default y if EXT2_FS=y && EXT2_FS_XATTR
31 default y if EXT4_FS=y
32 default m if EXT2_FS_XATTR || EXT4_FS
33
34source "fs/reiserfs/Kconfig"
35source "fs/jfs/Kconfig"
36
37source "fs/xfs/Kconfig"
38source "fs/gfs2/Kconfig"
39source "fs/ocfs2/Kconfig"
40source "fs/btrfs/Kconfig"
41source "fs/nilfs2/Kconfig"
42source "fs/f2fs/Kconfig"
43
44config FS_DAX
45 bool "Direct Access (DAX) support"
46 depends on MMU
47 depends on !(ARM || MIPS || SPARC)
48 select DEV_PAGEMAP_OPS if (ZONE_DEVICE && !FS_DAX_LIMITED)
49 select FS_IOMAP
50 select DAX
51 help
52 Direct Access (DAX) can be used on memory-backed block devices.
53 If the block device supports DAX and the filesystem supports DAX,
54 then you can avoid using the pagecache to buffer I/Os. Turning
55 on this option will compile in support for DAX; you will need to
56 mount the filesystem using the -o dax option.
57
58 If you do not have a block device that is capable of using this,
59 or if unsure, say N. Saying Y will increase the size of the kernel
60 by about 5kB.
61
62config FS_DAX_PMD
63 bool
64 default FS_DAX
65 depends on FS_DAX
66 depends on ZONE_DEVICE
67 depends on TRANSPARENT_HUGEPAGE
68
69# Selected by DAX drivers that do not expect filesystem DAX to support
70# get_user_pages() of DAX mappings. I.e. "limited" indicates no support
71# for fork() of processes with MAP_SHARED mappings or support for
72# direct-I/O to a DAX mapping.
73config FS_DAX_LIMITED
74 bool
75
76endif # BLOCK
77
78# Posix ACL utility routines
79#
80# Note: Posix ACLs can be implemented without these helpers. Never use
81# this symbol for ifdefs in core code.
82#
83config FS_POSIX_ACL
84 def_bool n
85
86config EXPORTFS
87 tristate
88
89config EXPORTFS_BLOCK_OPS
90 bool "Enable filesystem export operations for block IO"
91 help
92 This option enables the export operations for a filesystem to support
93 external block IO.
94
95config FILE_LOCKING
96 bool "Enable POSIX file locking API" if EXPERT
97 default y
98 help
99 This option enables standard file locking support, required
100 for filesystems like NFS and for the flock() system
101 call. Disabling this option saves about 11k.
102
103config MANDATORY_FILE_LOCKING
104 bool "Enable Mandatory file locking"
105 depends on FILE_LOCKING
106 default y
107 help
108 This option enables files appropriately marked files on appropriely
109 mounted filesystems to support mandatory locking.
110
111 To the best of my knowledge this is dead code that no one cares about.
112
113source "fs/crypto/Kconfig"
114
115source "fs/verity/Kconfig"
116
117source "fs/notify/Kconfig"
118
119source "fs/quota/Kconfig"
120
121source "fs/autofs/Kconfig"
122source "fs/fuse/Kconfig"
123source "fs/overlayfs/Kconfig"
124
125menu "Caches"
126
127source "fs/fscache/Kconfig"
128source "fs/cachefiles/Kconfig"
129
130endmenu
131
132if BLOCK
133menu "CD-ROM/DVD Filesystems"
134
135source "fs/isofs/Kconfig"
136source "fs/udf/Kconfig"
137
138endmenu
139endif # BLOCK
140
141if BLOCK
142menu "DOS/FAT/NT Filesystems"
143
144source "fs/fat/Kconfig"
145source "fs/ntfs/Kconfig"
146
147endmenu
148endif # BLOCK
149
150menu "Pseudo filesystems"
151
152source "fs/proc/Kconfig"
153source "fs/kernfs/Kconfig"
154source "fs/sysfs/Kconfig"
155
156config TMPFS
157 bool "Tmpfs virtual memory file system support (former shm fs)"
158 depends on SHMEM
159 help
160 Tmpfs is a file system which keeps all files in virtual memory.
161
162 Everything in tmpfs is temporary in the sense that no files will be
163 created on your hard drive. The files live in memory and swap
164 space. If you unmount a tmpfs instance, everything stored therein is
165 lost.
166
167 See <file:Documentation/filesystems/tmpfs.txt> for details.
168
169config TMPFS_POSIX_ACL
170 bool "Tmpfs POSIX Access Control Lists"
171 depends on TMPFS
172 select TMPFS_XATTR
173 select FS_POSIX_ACL
174 help
175 POSIX Access Control Lists (ACLs) support additional access rights
176 for users and groups beyond the standard owner/group/world scheme,
177 and this option selects support for ACLs specifically for tmpfs
178 filesystems.
179
180 If you've selected TMPFS, it's possible that you'll also need
181 this option as there are a number of Linux distros that require
182 POSIX ACL support under /dev for certain features to work properly.
183 For example, some distros need this feature for ALSA-related /dev
184 files for sound to work properly. In short, if you're not sure,
185 say Y.
186
187config TMPFS_XATTR
188 bool "Tmpfs extended attributes"
189 depends on TMPFS
190 default n
191 help
192 Extended attributes are name:value pairs associated with inodes by
193 the kernel or by users (see the attr(5) manual page for details).
194
195 Currently this enables support for the trusted.* and
196 security.* namespaces.
197
198 You need this for POSIX ACL support on tmpfs.
199
200 If unsure, say N.
201
202config HUGETLBFS
203 bool "HugeTLB file system support"
204 depends on X86 || IA64 || SPARC64 || (S390 && 64BIT) || \
205 SYS_SUPPORTS_HUGETLBFS || BROKEN
206 help
207 hugetlbfs is a filesystem backing for HugeTLB pages, based on
208 ramfs. For architectures that support it, say Y here and read
209 <file:Documentation/admin-guide/mm/hugetlbpage.rst> for details.
210
211 If unsure, say N.
212
213config HUGETLB_PAGE
214 def_bool HUGETLBFS
215
216config MEMFD_CREATE
217 def_bool TMPFS || HUGETLBFS
218
219config ARCH_HAS_GIGANTIC_PAGE
220 bool
221
222source "fs/configfs/Kconfig"
223source "fs/efivarfs/Kconfig"
224
225endmenu
226
227menuconfig MISC_FILESYSTEMS
228 bool "Miscellaneous filesystems"
229 default y
230 ---help---
231 Say Y here to get to see options for various miscellaneous
232 filesystems, such as filesystems that came from other
233 operating systems.
234
235 This option alone does not add any kernel code.
236
237 If you say N, all options in this submenu will be skipped and
238 disabled; if unsure, say Y here.
239
240if MISC_FILESYSTEMS
241
242source "fs/orangefs/Kconfig"
243source "fs/adfs/Kconfig"
244source "fs/affs/Kconfig"
245source "fs/ecryptfs/Kconfig"
246source "fs/hfs/Kconfig"
247source "fs/hfsplus/Kconfig"
248source "fs/befs/Kconfig"
249source "fs/bfs/Kconfig"
250source "fs/efs/Kconfig"
251source "fs/jffs2/Kconfig"
252# UBIFS File system configuration
253source "fs/ubifs/Kconfig"
254source "fs/cramfs/Kconfig"
255source "fs/squashfs/Kconfig"
256source "fs/freevxfs/Kconfig"
257source "fs/minix/Kconfig"
258source "fs/omfs/Kconfig"
259source "fs/hpfs/Kconfig"
260source "fs/qnx4/Kconfig"
261source "fs/qnx6/Kconfig"
262source "fs/romfs/Kconfig"
263source "fs/pstore/Kconfig"
264source "fs/sysv/Kconfig"
265source "fs/ufs/Kconfig"
266source "fs/erofs/Kconfig"
267
268endif # MISC_FILESYSTEMS
269
270menuconfig NETWORK_FILESYSTEMS
271 bool "Network File Systems"
272 default y
273 depends on NET
274 ---help---
275 Say Y here to get to see options for network filesystems and
276 filesystem-related networking code, such as NFS daemon and
277 RPCSEC security modules.
278
279 This option alone does not add any kernel code.
280
281 If you say N, all options in this submenu will be skipped and
282 disabled; if unsure, say Y here.
283
284if NETWORK_FILESYSTEMS
285
286source "fs/nfs/Kconfig"
287source "fs/nfsd/Kconfig"
288
289config GRACE_PERIOD
290 tristate
291
292config LOCKD
293 tristate
294 depends on FILE_LOCKING
295 select GRACE_PERIOD
296
297config LOCKD_V4
298 bool
299 depends on NFSD_V3 || NFS_V3
300 depends on FILE_LOCKING
301 default y
302
303config NFS_ACL_SUPPORT
304 tristate
305 select FS_POSIX_ACL
306
307config NFS_COMMON
308 bool
309 depends on NFSD || NFS_FS || LOCKD
310 default y
311
312source "net/sunrpc/Kconfig"
313source "fs/ceph/Kconfig"
314source "fs/cifs/Kconfig"
315source "fs/coda/Kconfig"
316source "fs/afs/Kconfig"
317source "fs/9p/Kconfig"
318
319endif # NETWORK_FILESYSTEMS
320
321source "fs/nls/Kconfig"
322source "fs/dlm/Kconfig"
323source "fs/unicode/Kconfig"
324
325endmenu