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1// SPDX-License-Identifier: LGPL-2.12/*3 * trace/beauty/fsmount.c4 *5 * Copyright (C) 2019, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>6 */7 8#include "trace/beauty/beauty.h"9#include <linux/log2.h>10#include <sys/mount.h>11 12#ifndef MOUNT_ATTR__ATIME13#define MOUNT_ATTR__ATIME 0x00000070 /* Setting on how atime should be updated */14#endif15#ifndef MOUNT_ATTR_RELATIME16#define MOUNT_ATTR_RELATIME 0x00000000 /* - Update atime relative to mtime/ctime. */17#endif18 19static size_t fsmount__scnprintf_attr_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)20{21#include "trace/beauty/generated/fsmount_arrays.c"22 static DEFINE_STRARRAY(fsmount_attr_flags, "MOUNT_ATTR_");23 size_t printed = 0;24 25 if ((flags & ~MOUNT_ATTR__ATIME) != 0)26 printed += strarray__scnprintf_flags(&strarray__fsmount_attr_flags, bf, size, show_prefix, flags);27 28 if ((flags & MOUNT_ATTR__ATIME) == MOUNT_ATTR_RELATIME) {29 printed += scnprintf(bf + printed, size - printed, "%s%s%s",30 printed ? "|" : "", show_prefix ? "MOUNT_ATTR_" : "", "RELATIME");31 }32 33 return printed;34}35 36size_t syscall_arg__scnprintf_fsmount_attr_flags(char *bf, size_t size, struct syscall_arg *arg)37{38 unsigned long flags = arg->val;39 40 return fsmount__scnprintf_attr_flags(flags, bf, size, arg->show_string_prefix);41}42