1 # SPDX-License-Identifier: GPL-2.0-only
2 config XFS_FS
3 tristate "XFS filesystem support"
4 depends on BLOCK
5 select EXPORTFS
6 select LIBCRC32C
7 select FS_IOMAP
8 help
9 XFS is a high performance journaling
10 on the SGI IRIX platform. It is com
11 support large files and large filesy
12 variable block sizes, is extent base
13 Btrees (directories, extents, free s
14 and scalability.
15
16 Refer to the documentation at <http:
17 for complete details. This implemen
18 with the IRIX version of XFS.
19
20 To compile this file system support
21 module will be called xfs. Be aware
22 system of your root partition is com
23 to use an initial ramdisk (initrd) t
24
25 config XFS_SUPPORT_V4
26 bool "Support deprecated V4 (crc=0) fo
27 depends on XFS_FS
28 default y
29 help
30 The V4 filesystem format lacks certa
31 by the V5 format, such as metadata c
32 metadata verification, and the abili
33 year 2038. Because of this, the V4
34 should upgrade by backing up their f
35 from the backup.
36
37 Administrators and users can detect
38 xfs_info against a filesystem mountp
39 beginning with "crc=". If the strin
40 filesystem is a V4 filesystem. If n
41 upgrade xfsprogs to the latest versi
42
43 This option will become default N in
44 V4 format will be removed entirely i
45 can say N here to withdraw support e
46
47 To continue supporting the old V4 fo
48 To close off an attack surface, say
49
50 config XFS_SUPPORT_ASCII_CI
51 bool "Support deprecated case-insensit
52 depends on XFS_FS
53 default y
54 help
55 The ASCII case insensitivity filesys
56 on systems that have been coerced in
57 not work on extended attributes. Th
58 the locale settings in userspace, so
59 Enabling this feature makes XFS vuln
60 attacks. Because of this, the featu
61 should upgrade by backing up their f
62 from the backup.
63
64 Administrators and users can detect
65 xfs_info against a filesystem mountp
66 beginning with "ascii-ci=". If the
67 filesystem is a case-insensitive fil
68 found, please upgrade xfsprogs to th
69
70 This option will become default N in
71 feature will be removed entirely in
72 can say N here to withdraw support e
73
74 To continue supporting case-insensit
75 To close off an attack surface, say
76
77 config XFS_QUOTA
78 bool "XFS Quota support"
79 depends on XFS_FS
80 select QUOTACTL
81 help
82 If you say Y here, you will be able
83 a per user and/or a per group basis
84 information as filesystem metadata a
85 higher level guarantee of consistenc
86 quota is also compatible with the IR
87 filesystem to be migrated between Li
88 for conversion.
89
90 If unsure, say N. More comprehensiv
91 README.quota in the xfsprogs package
92 with or without the generic quota su
93 they are completely independent subs
94
95 config XFS_POSIX_ACL
96 bool "XFS POSIX ACL support"
97 depends on XFS_FS
98 select FS_POSIX_ACL
99 help
100 POSIX Access Control Lists (ACLs) su
101 groups beyond the owner/group/world
102
103 If you don't know what Access Contro
104
105 config XFS_RT
106 bool "XFS Realtime subvolume support"
107 depends on XFS_FS
108 help
109 If you say Y here you will be able t
110 which contain a realtime subvolume.
111 separate area of disk space where on
112 originally designed to provide deter
113 for media streaming applications, bu
114 mechanism for ensuring data and meta
115 separated. Regular file I/Os are is
116 from all other requests, and this ca
117 to applications via the inherit-real
118
119 See the xfs man page in section 5 fo
120
121 If unsure, say N.
122
123 config XFS_DRAIN_INTENTS
124 bool
125 select JUMP_LABEL if HAVE_ARCH_JUMP_LA
126
127 config XFS_LIVE_HOOKS
128 bool
129 select JUMP_LABEL if HAVE_ARCH_JUMP_LA
130
131 config XFS_MEMORY_BUFS
132 bool
133
134 config XFS_BTREE_IN_MEM
135 bool
136
137 config XFS_ONLINE_SCRUB
138 bool "XFS online metadata check suppor
139 default n
140 depends on XFS_FS
141 depends on TMPFS && SHMEM
142 select XFS_LIVE_HOOKS
143 select XFS_DRAIN_INTENTS
144 select XFS_MEMORY_BUFS
145 help
146 If you say Y here you will be able t
147 mounted XFS filesystem. This featur
148 filesystem downtime by supplementing
149 advantage here is to look for proble
150 they can be dealt with in a controll
151
152 This feature is considered EXPERIMEN
153
154 See the xfs_scrub man page in sectio
155
156 If unsure, say N.
157
158 config XFS_ONLINE_SCRUB_STATS
159 bool "XFS online metadata check usage
160 default y
161 depends on XFS_ONLINE_SCRUB
162 select DEBUG_FS
163 help
164 If you say Y here, the kernel will g
165 the online metadata check subsystem.
166 of invocations, the outcomes, and th
167 This may slow down scrub slightly du
168 timers and the need to merge per-inv
169 filesystem counters.
170
171 Usage data are collected in /sys/ker
172
173 If unsure, say N.
174
175 config XFS_ONLINE_REPAIR
176 bool "XFS online metadata repair suppo
177 default n
178 depends on XFS_FS && XFS_ONLINE_SCRUB
179 select XFS_BTREE_IN_MEM
180 help
181 If you say Y here you will be able t
182 mounted XFS filesystem. This featur
183 filesystem downtime by fixing minor
184 filesystem to go down. However, it
185 formatted with secondary metadata, s
186 parent pointers.
187
188 This feature is considered EXPERIMEN
189
190 See the xfs_scrub man page in sectio
191
192 If unsure, say N.
193
194 config XFS_WARN
195 bool "XFS Verbose Warnings"
196 depends on XFS_FS && !XFS_DEBUG
197 help
198 Say Y here to get an XFS build with
199 It converts ASSERT checks to WARN, s
200 conditions that occur that would oth
201 lighter weight than XFS_DEBUG and do
202 not cause the kernel to panic on non
203
204 However, similar to XFS_DEBUG, it is
205 are debugging a particular problem.
206
207 config XFS_DEBUG
208 bool "XFS Debugging support"
209 depends on XFS_FS
210 help
211 Say Y here to get an XFS build with
212 including ASSERT checks, function wr
213 and extra sanity-checking functions
214
215 Note that the resulting code will be
216 not useful unless you are debugging
217
218 Say N unless you are an XFS develope
219
220 config XFS_DEBUG_EXPENSIVE
221 bool "XFS expensive debugging checks"
222 depends on XFS_FS && XFS_DEBUG
223 help
224 Say Y here to get an XFS build with
225 enabled. These checks may affect pe
226
227 Note that the resulting code will be
228 not useful unless you are debugging
229
230 Say N unless you are an XFS develope
231
232 config XFS_ASSERT_FATAL
233 bool "XFS fatal asserts"
234 default y
235 depends on XFS_FS && XFS_DEBUG
236 help
237 Set the default DEBUG mode ASSERT fa
238
239 Say Y here to cause DEBUG mode ASSER
240 errors that BUG() the kernel by defa
241 result in warnings.
242
243 This behavior can be modified at run
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