1 # SPDX-License-Identifier: GPL-2.0-only
2 config F2FS_FS
3 tristate "F2FS filesystem support"
4 depends on BLOCK
5 select BUFFER_HEAD
6 select NLS
7 select CRYPTO
8 select CRYPTO_CRC32
9 select F2FS_FS_XATTR if FS_ENCRYPTION
10 select FS_ENCRYPTION_ALGS if FS_ENCRYP
11 select FS_IOMAP
12 select LZ4_COMPRESS if F2FS_FS_LZ4
13 select LZ4_DECOMPRESS if F2FS_FS_LZ4
14 select LZ4HC_COMPRESS if F2FS_FS_LZ4HC
15 select LZO_COMPRESS if F2FS_FS_LZO
16 select LZO_DECOMPRESS if F2FS_FS_LZO
17 select ZSTD_COMPRESS if F2FS_FS_ZSTD
18 select ZSTD_DECOMPRESS if F2FS_FS_ZSTD
19 help
20 F2FS is based on Log-structured File
21 versatile "flash-friendly" features.
22 addressing the fundamental issues in
23 of wandering tree and high cleaning
24
25 Since flash-based storages show diff
26 the internal geometry or flash memor
27 and tools support various parameters
28 layout, but also for selecting alloc
29
30 If unsure, say N.
31
32 config F2FS_STAT_FS
33 bool "F2FS Status Information"
34 depends on F2FS_FS
35 default y
36 help
37 /sys/kernel/debug/f2fs/ contains inf
38 mounted as f2fs. Each file shows the
39
40 /sys/kernel/debug/f2fs/status includ
41 - major filesystem information man
42 - average SIT information about wh
43 - current memory footprint consume
44
45 config F2FS_FS_XATTR
46 bool "F2FS extended attributes"
47 depends on F2FS_FS
48 default y
49 help
50 Extended attributes are name:value p
51 the kernel or by users (see the attr
52
53 If unsure, say N.
54
55 config F2FS_FS_POSIX_ACL
56 bool "F2FS Access Control Lists"
57 depends on F2FS_FS_XATTR
58 select FS_POSIX_ACL
59 default y
60 help
61 Posix Access Control Lists (ACLs) su
62 groups beyond the owner/group/world
63
64 If you don't know what Access Contro
65
66 config F2FS_FS_SECURITY
67 bool "F2FS Security Labels"
68 depends on F2FS_FS_XATTR
69 help
70 Security labels provide an access co
71 Security Models (LSMs) accepted by A
72 Linux. This option enables an extend
73 security labels in the f2fs filesyst
74 the extended attribute support in ad
75 option if you use the setcap command
76 lities to executables (the security.
77
78 If you are not using a security modu
79
80 config F2FS_CHECK_FS
81 bool "F2FS consistency checking featur
82 depends on F2FS_FS
83 help
84 Enables BUG_ONs which check the file
85
86 If you want to improve the performan
87
88 config F2FS_FAULT_INJECTION
89 bool "F2FS fault injection facility"
90 depends on F2FS_FS
91 help
92 Test F2FS to inject faults such as E
93
94 If unsure, say N.
95
96 config F2FS_FS_COMPRESSION
97 bool "F2FS compression feature"
98 depends on F2FS_FS
99 help
100 Enable filesystem-level compression
101 multiple back-end compression algori
102
103 config F2FS_FS_LZO
104 bool "LZO compression support"
105 depends on F2FS_FS_COMPRESSION
106 default y
107 help
108 Support LZO compress algorithm, if u
109
110 config F2FS_FS_LZORLE
111 bool "LZO-RLE compression support"
112 depends on F2FS_FS_LZO
113 default y
114 help
115 Support LZO-RLE compress algorithm,
116
117 config F2FS_FS_LZ4
118 bool "LZ4 compression support"
119 depends on F2FS_FS_COMPRESSION
120 default y
121 help
122 Support LZ4 compress algorithm, if u
123
124 config F2FS_FS_LZ4HC
125 bool "LZ4HC compression support"
126 depends on F2FS_FS_LZ4
127 default y
128 help
129 Support LZ4HC compress algorithm, LZ
130 layout with LZ4, if unsure, say Y.
131
132 config F2FS_FS_ZSTD
133 bool "ZSTD compression support"
134 depends on F2FS_FS_COMPRESSION
135 default y
136 help
137 Support ZSTD compress algorithm, if
138
139 config F2FS_IOSTAT
140 bool "F2FS IO statistics information"
141 depends on F2FS_FS
142 default y
143 help
144 Support getting IO statistics throug
145 IO statistics tracepoint events. You
146 sysfs node to enable this feature.
147
148 config F2FS_UNFAIR_RWSEM
149 bool "F2FS unfair rw_semaphore"
150 depends on F2FS_FS && BLK_CGROUP
151 help
152 Use unfair rw_semaphore, if system c
153 cgroup.
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