The following companies have contributed and/or contribute to Btrfs (sorted alphabetically):
- Facebook
- Fujitsu
- Fusion-IO
- Intel
- Linux Foundation
- Netgear
- SUSE
- Oracle
- Red Hat
- STRATO AG
Statistics for 4.x series
| Version |
Contributors |
SLOC |
Raw lines |
Patches |
Diffstat
|
| 4.0
|
22
|
85849
|
115716
|
97
|
+1622 -937
|
| 4.1
|
25
|
86683
|
117069
|
119
|
+2411 -1058
|
| 4.2
|
21
|
87064
|
117661
|
119
|
+2392 -1800
|
| 4.3
|
24
|
87513
|
118447
|
74
|
+1516 -730
|
| 4.4
|
27
|
88592
|
120214
|
138
|
+3071 -1304
|
| 4.5
|
28
|
90756
|
123120
|
127
|
+4365 -1459
|
| 4.6
|
30
|
91119
|
123715
|
99
|
+1801 -1206
|
| 4.7
|
34
|
91907
|
124934
|
161
|
+3721 -2502
|
| 4.8
|
23
|
92626
|
125912
|
113
|
+2455 -1477
|
| 4.9
|
26
|
93094
|
126560
|
64
|
+1959 -1311
|
| 4.10
|
25
|
93157
|
126669
|
103
|
+4765 -4656
|
| 4.11
|
27
|
93219
|
126853
|
210
|
+2083 -1899
|
| 4.12
|
23
|
93640
|
127560
|
85
|
+1618 -911
|
| 4.13
|
29
|
93892
|
127970
|
135
|
+2017 -1607
|
| 4.14
|
28
|
94296
|
124346
|
132
|
+2114 -1520
|
| 4.15
|
30
|
97091
|
132221
|
128
|
+3761 +1795
|
Legend:
- Files: fs/btrfs/*.[ch], fs/btrfs/tests/*.[ch], include/uapi/linux/btrfs.h, include/uapi/linux/btrfs_tree.h, include/linux/btrfs.h, include/trace/events/btrfs.h
- Version: mainline version
- Contributors: number of people that sent patches that modified Files, direct btrfs development or originating from other tree-wide changes
- SLOC: lines of code, http://dwheeler.com/sloccount/ (generated by version 2.26)
- Raw lines: counted by wc -l over Files
- Patches: number of patches from Contributors, merge commits excluded
- Diffstat: lines added and deleted in Files
Statistics for 3.x series
| Version |
Contributors |
SLOC |
Raw lines |
Patches |
Diffstat
|
| 3.0
|
25
|
48665
|
65192
|
126
|
+7508 -5175
|
| 3.1
|
24
|
48647
|
65248
|
106
|
+1762 -1586
|
| 3.2
|
30
|
51574
|
69552
|
184
|
+6344 -2040
|
| 3.3
|
27
|
56216
|
75485
|
129
|
+7151 -1218
|
| 3.4
|
25
|
57865
|
77671
|
118
|
+4597 -2411
|
| 3.5
|
21
|
59683
|
79983
|
108
|
+3570 -1258
|
| 3.6
|
25
|
65894
|
88123
|
104
|
+9145 -1005
|
| 3.7
|
30
|
67348
|
90171
|
151
|
+3802 -1754
|
| 3.8
|
25
|
70289
|
93916
|
161
|
+5599 -1854
|
| 3.9
|
29
|
73414
|
98602
|
160
|
+6430 -1242
|
| 3.10
|
24
|
74449
|
99980
|
133
|
+3529 -2151
|
| 3.11
|
21
|
74875
|
100657
|
100
|
+2538 -1857
|
| 3.12
|
32
|
76265
|
102497
|
158
|
+4373 -2533
|
| 3.13
|
24
|
77532
|
104108
|
123
|
+2741 -1123
|
| 3.14
|
28
|
79879
|
107069
|
171
|
+5290 -2329
|
| 3.15
|
27
|
80308
|
107544
|
152
|
+2389 -1914
|
| 3.16
|
29
|
82292
|
110331
|
137
|
+4361 -1574
|
| 3.17
|
19
|
82625
|
110841
|
44
|
+1060 -550
|
| 3.18
|
25
|
83910
|
112906
|
149
|
+3696 -1631
|
| 3.19
|
18
|
85420
|
115031
|
82
|
+2802 -677
|
Statistics for 2.6 series
| Version |
Contributors |
SLOC |
Raw lines |
Patches |
Diffstat
|
| 2.6.30
|
22
|
33838
|
45377
|
70
|
+4403 -2632
|
| 2.6.31
|
19
|
38825
|
51693
|
68
|
+9207 -2862
|
| 2.6.32
|
15
|
40211
|
53515
|
95
|
+4291 -2469
|
| 2.6.33
|
17
|
40408
|
53806
|
43
|
+1332 -1041
|
| 2.6.34
|
18
|
41100
|
54715
|
54
|
+1374 -465
|
| 2.6.35
|
14
|
43014
|
57082
|
50
|
+5230 -2863
|
| 2.6.36
|
4
|
43016
|
57088
|
6
|
+39 -33
|
| 2.6.37
|
17
|
44781
|
59491
|
83
|
+3104 -701
|
| 2.6.38
|
23
|
46573
|
61980
|
90
|
+3472 -983
|
| 2.6.39
|
28
|
47206
|
62859
|
102
|
+2115 -1236
|
