diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/proc_ns.h | 1 | ||||
| -rw-r--r-- | include/uapi/linux/fs.h | 11 |
2 files changed, 11 insertions, 1 deletions
diff --git a/include/linux/proc_ns.h b/include/linux/proc_ns.h index 6258455e49a4..4b20375f3783 100644 --- a/include/linux/proc_ns.h +++ b/include/linux/proc_ns.h @@ -40,7 +40,6 @@ extern const struct proc_ns_operations timens_for_children_operations; * We always define these enumerators */ enum { - PROC_ROOT_INO = 1, PROC_IPC_INIT_INO = IPC_NS_INIT_INO, PROC_UTS_INIT_INO = UTS_NS_INIT_INO, PROC_USER_INIT_INO = USER_NS_INIT_INO, diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h index 0098b0ce8ccb..28238a3edbc1 100644 --- a/include/uapi/linux/fs.h +++ b/include/uapi/linux/fs.h @@ -60,6 +60,17 @@ #define RENAME_EXCHANGE (1 << 1) /* Exchange source and dest */ #define RENAME_WHITEOUT (1 << 2) /* Whiteout source */ +/* + * The root inode of procfs is guaranteed to always have the same inode number. + * For programs that make heavy use of procfs, verifying that the root is a + * real procfs root and using openat2(RESOLVE_{NO_{XDEV,MAGICLINKS},BENEATH}) + * will allow you to make sure you are never tricked into operating on the + * wrong procfs file. + */ +enum procfs_ino { + PROCFS_ROOT_INO = 1, +}; + struct file_clone_range { __s64 src_fd; __u64 src_offset; |