diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/fs.h | 3 | ||||
| -rw-r--r-- | include/linux/fs/super_types.h | 2 | ||||
| -rw-r--r-- | include/linux/proc_fs.h | 13 |
3 files changed, 16 insertions, 2 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 9674c3d1cb3f..6da44573ce45 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2294,13 +2294,14 @@ struct file_system_type { #define FS_MGTIME 64 /* FS uses multigrain timestamps */ #define FS_LBS 128 /* FS supports LBS */ #define FS_POWER_FREEZE 256 /* Always freeze on suspend/hibernate */ +#define FS_USERNS_MOUNT_RESTRICTED 512 /* Restrict mount in userns if not already visible */ #define FS_USERNS_DELEGATABLE 1024 /* Can be mounted inside userns from outside */ #define FS_RENAME_DOES_D_MOVE 32768 /* FS will handle d_move() during rename() internally. */ int (*init_fs_context)(struct fs_context *); const struct fs_parameter_spec *parameters; void (*kill_sb) (struct super_block *); struct module *owner; - struct file_system_type * next; + struct hlist_node list; struct hlist_head fs_supers; struct lock_class_key s_lock_key; diff --git a/include/linux/fs/super_types.h b/include/linux/fs/super_types.h index 1ab4e2265129..aa86e4944dbf 100644 --- a/include/linux/fs/super_types.h +++ b/include/linux/fs/super_types.h @@ -334,7 +334,7 @@ struct super_block { #define SB_I_STABLE_WRITES 0x00000008 /* don't modify blks until WB is done */ /* sb->s_iflags to limit user namespace mounts */ -#define SB_I_USERNS_VISIBLE 0x00000010 /* fstype already mounted */ +#define SB_I_RESTRICTED_VARIANT 0x00000010 #define SB_I_IMA_UNVERIFIABLE_SIGNATURE 0x00000020 #define SB_I_UNTRUSTED_MOUNTER 0x00000040 #define SB_I_EVM_HMAC_UNSUPPORTED 0x00000080 diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h index 19d1c5e5f335..47d7deaeed8f 100644 --- a/include/linux/proc_fs.h +++ b/include/linux/proc_fs.h @@ -67,6 +67,7 @@ enum proc_pidonly { struct proc_fs_info { struct pid_namespace *pid_ns; kgid_t pid_gid; + const struct cred *mounter_cred; enum proc_hidepid hide_pid; enum proc_pidonly pidonly; struct rcu_head rcu; @@ -248,4 +249,16 @@ static inline struct pid_namespace *proc_pid_ns(struct super_block *sb) bool proc_ns_file(const struct file *file); +#if defined CONFIG_PROC_FS && !defined MODULE +void impl_proc_make_permanent(struct proc_dir_entry *pde); +#endif + +static inline void proc_make_permanent(struct proc_dir_entry *pde) +{ + /* Don't give matches to modules. */ +#if defined CONFIG_PROC_FS && !defined MODULE + impl_proc_make_permanent(pde); +#endif +} + #endif /* _LINUX_PROC_FS_H */ |