| 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 | static int __init init_fs_sysctls(void) |
| 33 | { |
| 34 | register_sysctl_init("fs", fs_shared_sysctls); |
| 35 | return 0; |
| 36 | } |
| 37 | |
| 38 | early_initcall(init_fs_sysctls); |