WARNING: line length of 89 exceeds 80 columns
#66: FILE: include/linux/ref_tracker.h:74:
+static inline void ref_tracker_dir_debugfs(struct ref_tracker_dir *dir, const char *name)

WARNING: line length of 87 exceeds 80 columns
#132: FILE: lib/ref_tracker.c:295:
+static int ref_tracker_dir_seq_print(struct ref_tracker_dir *dir, struct seq_file *seq)

WARNING: line length of 89 exceeds 80 columns
#171: FILE: lib/ref_tracker.c:334:
+ * In some cases, the name given to a ref_tracker_dir is based on incomplete information,

WARNING: line length of 86 exceeds 80 columns
#172: FILE: lib/ref_tracker.c:335:
+ * and may not be unique. Call this to finalize the name of @dir, and create a debugfs

total: 0 errors, 4 warnings, 0 checks, 165 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit d23d64258dea ("ref_tracker: add ability to register a file in debugfs for a ref_tracker_dir") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 4 warnings, 0 checks, 165 lines checked