sync_file_range.c 1.5 KB

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  1. // SPDX-License-Identifier: LGPL-2.1
  2. /*
  3. * trace/beauty/sync_file_range.c
  4. *
  5. * Copyright (C) 2019, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
  6. */
  7. #include "trace/beauty/beauty.h"
  8. #include <linux/log2.h>
  9. #include <linux/fs.h>
  10. #ifndef SYNC_FILE_RANGE_WRITE_AND_WAIT
  11. #define SYNC_FILE_RANGE_WAIT_BEFORE 1
  12. #define SYNC_FILE_RANGE_WRITE 2
  13. #define SYNC_FILE_RANGE_WAIT_AFTER 4
  14. #define SYNC_FILE_RANGE_WRITE_AND_WAIT (SYNC_FILE_RANGE_WRITE | \
  15. SYNC_FILE_RANGE_WAIT_BEFORE | \
  16. SYNC_FILE_RANGE_WAIT_AFTER)
  17. #endif
  18. static size_t sync_file_range__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
  19. {
  20. #include "trace/beauty/generated/sync_file_range_arrays.c"
  21. static DEFINE_STRARRAY(sync_file_range_flags, "SYNC_FILE_RANGE_");
  22. size_t printed = 0;
  23. if ((flags & SYNC_FILE_RANGE_WRITE_AND_WAIT) == SYNC_FILE_RANGE_WRITE_AND_WAIT) {
  24. printed += scnprintf(bf + printed, size - printed, "%s%s", show_prefix ? "SYNC_FILE_RANGE_" : "", "WRITE_AND_WAIT");
  25. flags &= ~SYNC_FILE_RANGE_WRITE_AND_WAIT;
  26. }
  27. return printed + strarray__scnprintf_flags(&strarray__sync_file_range_flags, bf + printed, size - printed, show_prefix, flags);
  28. }
  29. size_t syscall_arg__scnprintf_sync_file_range_flags(char *bf, size_t size, struct syscall_arg *arg)
  30. {
  31. unsigned long flags = arg->val;
  32. return sync_file_range__scnprintf_flags(flags, bf, size, arg->show_string_prefix);
  33. }