1 1
2 config BCACHEFS_FS 2 config BCACHEFS_FS
3 tristate "bcachefs filesystem support 3 tristate "bcachefs filesystem support (EXPERIMENTAL)"
4 depends on BLOCK 4 depends on BLOCK
5 select EXPORTFS 5 select EXPORTFS
6 select CLOSURES 6 select CLOSURES
7 select LIBCRC32C 7 select LIBCRC32C
8 select CRC64 8 select CRC64
9 select FS_POSIX_ACL 9 select FS_POSIX_ACL
10 select LZ4_COMPRESS 10 select LZ4_COMPRESS
11 select LZ4_DECOMPRESS 11 select LZ4_DECOMPRESS
12 select LZ4HC_COMPRESS 12 select LZ4HC_COMPRESS
13 select LZ4HC_DECOMPRESS 13 select LZ4HC_DECOMPRESS
14 select ZLIB_DEFLATE 14 select ZLIB_DEFLATE
15 select ZLIB_INFLATE 15 select ZLIB_INFLATE
16 select ZSTD_COMPRESS 16 select ZSTD_COMPRESS
17 select ZSTD_DECOMPRESS 17 select ZSTD_DECOMPRESS
18 select CRYPTO_SHA256 18 select CRYPTO_SHA256
19 select CRYPTO_CHACHA20 19 select CRYPTO_CHACHA20
20 select CRYPTO_POLY1305 20 select CRYPTO_POLY1305
21 select KEYS 21 select KEYS
22 select RAID6_PQ 22 select RAID6_PQ
23 select XOR_BLOCKS 23 select XOR_BLOCKS
24 select XXHASH 24 select XXHASH
25 select SRCU 25 select SRCU
26 select SYMBOLIC_ERRNAME 26 select SYMBOLIC_ERRNAME
27 help 27 help
28 The bcachefs filesystem - a modern, co 28 The bcachefs filesystem - a modern, copy on write filesystem, with
29 support for multiple devices, compress 29 support for multiple devices, compression, checksumming, etc.
30 30
31 config BCACHEFS_QUOTA 31 config BCACHEFS_QUOTA
32 bool "bcachefs quota support" 32 bool "bcachefs quota support"
33 depends on BCACHEFS_FS 33 depends on BCACHEFS_FS
34 select QUOTACTL 34 select QUOTACTL
35 35
36 config BCACHEFS_ERASURE_CODING 36 config BCACHEFS_ERASURE_CODING
37 bool "bcachefs erasure coding (RAID5/6 37 bool "bcachefs erasure coding (RAID5/6) support (EXPERIMENTAL)"
38 depends on BCACHEFS_FS 38 depends on BCACHEFS_FS
39 select QUOTACTL 39 select QUOTACTL
40 help 40 help
41 This enables the "erasure_code" filesy 41 This enables the "erasure_code" filesysystem and inode option, which
42 organizes data into reed-solomon strip 42 organizes data into reed-solomon stripes instead of ordinary
43 replication. 43 replication.
44 44
45 WARNING: this feature is still undergo 45 WARNING: this feature is still undergoing on disk format changes, and
46 should only be enabled for testing pur 46 should only be enabled for testing purposes.
47 47
48 config BCACHEFS_POSIX_ACL 48 config BCACHEFS_POSIX_ACL
49 bool "bcachefs POSIX ACL support" 49 bool "bcachefs POSIX ACL support"
50 depends on BCACHEFS_FS 50 depends on BCACHEFS_FS
51 select FS_POSIX_ACL 51 select FS_POSIX_ACL
52 52
53 config BCACHEFS_DEBUG 53 config BCACHEFS_DEBUG
54 bool "bcachefs debugging" 54 bool "bcachefs debugging"
55 depends on BCACHEFS_FS 55 depends on BCACHEFS_FS
56 help 56 help
57 Enables many extra debugging checks an 57 Enables many extra debugging checks and assertions.
58 58
59 The resulting code will be significant 59 The resulting code will be significantly slower than normal; you
60 probably shouldn't select this option 60 probably shouldn't select this option unless you're a developer.
61 61
62 config BCACHEFS_TESTS 62 config BCACHEFS_TESTS
63 bool "bcachefs unit and performance te 63 bool "bcachefs unit and performance tests"
64 depends on BCACHEFS_FS 64 depends on BCACHEFS_FS
65 help 65 help
66 Include some unit and performance test 66 Include some unit and performance tests for the core btree code
67 67
68 config BCACHEFS_LOCK_TIME_STATS 68 config BCACHEFS_LOCK_TIME_STATS
69 bool "bcachefs lock time statistics" 69 bool "bcachefs lock time statistics"
70 depends on BCACHEFS_FS 70 depends on BCACHEFS_FS
71 help 71 help
72 Expose statistics for how long we held 72 Expose statistics for how long we held a lock in debugfs
73 73
74 config BCACHEFS_NO_LATENCY_ACCT 74 config BCACHEFS_NO_LATENCY_ACCT
75 bool "disable latency accounting and t 75 bool "disable latency accounting and time stats"
76 depends on BCACHEFS_FS 76 depends on BCACHEFS_FS
77 help 77 help
78 This disables device latency tracking 78 This disables device latency tracking and time stats, only for performance testing
79 79
80 config BCACHEFS_SIX_OPTIMISTIC_SPIN 80 config BCACHEFS_SIX_OPTIMISTIC_SPIN
81 bool "Optimistic spinning for six lock 81 bool "Optimistic spinning for six locks"
82 depends on BCACHEFS_FS 82 depends on BCACHEFS_FS
83 depends on SMP 83 depends on SMP
84 default y 84 default y
85 help 85 help
86 Instead of immediately sleeping when a 86 Instead of immediately sleeping when attempting to take a six lock that
87 is held by another thread, spin for a 87 is held by another thread, spin for a short while, as long as the
88 thread owning the lock is running. 88 thread owning the lock is running.
89 89
90 config BCACHEFS_PATH_TRACEPOINTS 90 config BCACHEFS_PATH_TRACEPOINTS
91 bool "Extra btree_path tracepoints" 91 bool "Extra btree_path tracepoints"
92 depends on BCACHEFS_FS 92 depends on BCACHEFS_FS
93 help 93 help
94 Enable extra tracepoints for debugging 94 Enable extra tracepoints for debugging btree_path operations; we don't
95 normally want these enabled because th 95 normally want these enabled because they happen at very high rates.
96 96
97 config MEAN_AND_VARIANCE_UNIT_TEST 97 config MEAN_AND_VARIANCE_UNIT_TEST
98 tristate "mean_and_variance unit tests 98 tristate "mean_and_variance unit tests" if !KUNIT_ALL_TESTS
99 depends on KUNIT 99 depends on KUNIT
100 depends on BCACHEFS_FS 100 depends on BCACHEFS_FS
101 default KUNIT_ALL_TESTS 101 default KUNIT_ALL_TESTS
102 help 102 help
103 This option enables the kunit tests 103 This option enables the kunit tests for mean_and_variance module.
104 If unsure, say N. 104 If unsure, say N.
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