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I use the checkpatch.pl script to check that there are no errors. Earlier, the default line length was 80 columns. Commit bdc48fa11e46 (“checkpatch/coding-style: deprecate 80-column warning”) increased the limit to 100 columns. $ ./scripts/checkpatch.pl 0001-f2fs-drop-useless-initializer-and-unneeded-local-var.patch total: 0 errors, 0 warnings, 24 lines checked 0001-f2fs-drop-useless-initializer-and-unneeded-local-var.patch has no obvious style problems and is ready for submission. Thx, Yangtao