fs/sysctls.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * /proc/sys/fs shared sysctls
   4  *
   5  * These sysctls are shared between different filesystems.
   6  */
   7 #include <linux/init.h>
   8 #include <linux/sysctl.h>
   9
  10 static struct ctl_table fs_shared_sysctls[] = {
  11         {
  12                 .procname       = "overflowuid",
  13                 .data           = &fs_overflowuid,
  14                 .maxlen         = sizeof(int),
  15                 .mode           = 0644,
  16                 .proc_handler   = proc_dointvec_minmax,
  17                 .extra1         = SYSCTL_ZERO,
  18                 .extra2         = SYSCTL_MAXOLDUID,
  19         },
  20         {
  21                 .procname       = "overflowgid",
  22                 .data           = &fs_overflowgid,
  23                 .maxlen         = sizeof(int),
  24                 .mode           = 0644,
  25                 .proc_handler   = proc_dointvec_minmax,
  26                 .extra1         = SYSCTL_ZERO,
  27                 .extra2         = SYSCTL_MAXOLDUID,
  28         },
  29         { }
  30 };
  31
  32 DECLARE_SYSCTL_BASE(fs, fs_shared_sysctls);
  33
  34 static int __init init_fs_sysctls(void)
  35 {
  36         return register_sysctl_base(fs);
  37 }
  38
  39 early_initcall(init_fs_sysctls);