1 # SPDX-License-Identifier: GPL-2.0
2
3 config BTRFS_FS
4 tristate "Btrfs filesystem support"
5 select BLK_CGROUP_PUNT_BIO
6 select CRYPTO
7 select CRYPTO_CRC32C
8 select LIBCRC32C
9 select CRYPTO_XXHASH
10 select CRYPTO_SHA256
11 select CRYPTO_BLAKE2B
12 select ZLIB_INFLATE
13 select ZLIB_DEFLATE
14 select LZO_COMPRESS
15 select LZO_DECOMPRESS
16 select ZSTD_COMPRESS
17 select ZSTD_DECOMPRESS
18 select FS_IOMAP
19 select RAID6_PQ
20 select XOR_BLOCKS
21 depends on PAGE_SIZE_LESS_THAN_256KB
22
23 help
24 Btrfs is a general purpose copy-on-w
25 writable snapshotting, support for m
26 features focused on fault tolerance,
27
28 The filesystem disk format is no lon
29 expected to change unless there are
30 is a format change, file systems wit
31 continue to be mountable and usable
32
33 For more information, please see the
34 https://btrfs.readthedocs.io
35
36 To compile this file system support
37 module will be called btrfs.
38
39 If unsure, say N.
40
41 config BTRFS_FS_POSIX_ACL
42 bool "Btrfs POSIX Access Control Lists
43 depends on BTRFS_FS
44 select FS_POSIX_ACL
45 help
46 POSIX Access Control Lists (ACLs) su
47 groups beyond the owner/group/world
48
49 If you don't know what Access Contro
50
51 config BTRFS_FS_RUN_SANITY_TESTS
52 bool "Btrfs will run sanity tests upon
53 depends on BTRFS_FS
54 help
55 This will run some basic sanity test
56 code to make sure it is acting as it
57 regression tests and are only really
58 developers.
59
60 If unsure, say N.
61
62 config BTRFS_DEBUG
63 bool "Btrfs debugging support"
64 depends on BTRFS_FS
65 help
66 Enable run-time debugging support fo
67 enable additional and expensive chec
68 performance, or export extra informa
69
70 If unsure, say N.
71
72 config BTRFS_ASSERT
73 bool "Btrfs assert support"
74 depends on BTRFS_FS
75 help
76 Enable run-time assertion checking.
77 any of the assertions trip. This is
78
79 If unsure, say N.
80
81 config BTRFS_FS_REF_VERIFY
82 bool "Btrfs with the ref verify tool c
83 depends on BTRFS_FS
84 default n
85 help
86 Enable run-time extent reference ver
87 is meant to be used by btrfs develop
88 reference problems or verifying they
89
90 If unsure, say N.
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