cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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fsmount.c (1117B)


      1// SPDX-License-Identifier: LGPL-2.1
      2/*
      3 * trace/beauty/fsmount.c
      4 *
      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 <uapi/linux/mount.h>
     11
     12static size_t fsmount__scnprintf_attr_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
     13{
     14#include "trace/beauty/generated/fsmount_arrays.c"
     15       static DEFINE_STRARRAY(fsmount_attr_flags, "MOUNT_ATTR_");
     16       size_t printed = 0;
     17
     18       if ((flags & ~MOUNT_ATTR__ATIME) != 0)
     19	       printed += strarray__scnprintf_flags(&strarray__fsmount_attr_flags, bf, size, show_prefix, flags);
     20
     21       if ((flags & MOUNT_ATTR__ATIME) == MOUNT_ATTR_RELATIME) {
     22	       printed += scnprintf(bf + printed, size - printed, "%s%s%s",
     23			            printed ? "|" : "", show_prefix ? "MOUNT_ATTR_" : "", "RELATIME");
     24       }
     25
     26       return printed;
     27}
     28
     29size_t syscall_arg__scnprintf_fsmount_attr_flags(char *bf, size_t size, struct syscall_arg *arg)
     30{
     31	unsigned long flags = arg->val;
     32
     33	return fsmount__scnprintf_attr_flags(flags, bf, size, arg->show_string_prefix);
     34}