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(Statistics: update 4.x stats)
(Statistics for 3.x series: recalc with updated tools)
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Revision as of 16:02, 26 September 2017

Contents


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

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

Legend:

  • Files: fs/btrfs/*.[ch], include/uapi/linux/btrfs.h, include/uapi/linux/btrfs_tree.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 21 33866 45377 71 +4406 -2650
2.6.31 18 38853 51693 68 +9209 -2893
2.6.32 14 40239 53515 95 +4291 -2469
2.6.33 17 40436 53806 45 +1332 -1041
2.6.34 17 41128 54715 54 +1374 -465
2.6.35 12 43042 57082 50 +5230 -2863
2.6.36 3 43044 57088 6 +39 -33
2.6.37 16 44809 59491 83 +3104 -701
2.6.38 22 46601 61980 90 +3475 -984
2.6.39 25 47234 62859 146 +2115 -1236
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