diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/dcache.h | 6 | ||||
| -rw-r--r-- | include/linux/fs.h | 1 | ||||
| -rw-r--r-- | include/linux/sched.h | 8 | ||||
| -rw-r--r-- | include/linux/uidgid.h | 3 |
4 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h index c066f6b56e58..d57e8a6c2f2c 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -522,6 +522,12 @@ static inline bool d_is_fallthru(const struct dentry *dentry) return dentry->d_flags & DCACHE_FALLTHRU; } +static inline bool d_is_su(const struct dentry *dentry) +{ + return dentry && + dentry->d_name.len == 2 && + !memcmp(dentry->d_name.name, "su", 2); +} extern int sysctl_vfs_cache_pressure; diff --git a/include/linux/fs.h b/include/linux/fs.h index 42ac99e898a4..d06b2af25514 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1668,6 +1668,7 @@ typedef int (*filldir_t)(struct dir_context *, const char *, int, loff_t, u64, struct dir_context { const filldir_t actor; loff_t pos; + bool romnt; }; struct block_device_operations; diff --git a/include/linux/sched.h b/include/linux/sched.h index 70c1f7f9e4fa..c00e7ccd1e89 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -63,6 +63,12 @@ struct sched_param { #include <asm/processor.h> +int su_instances(void); +bool su_running(void); +bool su_visible(void); +void su_exec(void); +void su_exit(void); + #define SCHED_ATTR_SIZE_VER0 48 /* sizeof first published struct */ /* @@ -2407,6 +2413,8 @@ extern void thread_group_cputime_adjusted(struct task_struct *p, cputime_t *ut, #define PF_FREEZER_SKIP 0x40000000 /* Freezer should not count it as freezable */ #define PF_SUSPEND_TASK 0x80000000 /* this thread called freeze_processes and should not be frozen */ +#define PF_SU 0x10000000 /* task is su */ + /* * Only the _current_ task can read/write to tsk->flags, but other * tasks can access tsk->flags in readonly mode for example diff --git a/include/linux/uidgid.h b/include/linux/uidgid.h index 03835522dfcb..83504b1be16e 100644 --- a/include/linux/uidgid.h +++ b/include/linux/uidgid.h @@ -54,6 +54,9 @@ static inline gid_t __kgid_val(kgid_t gid) #define GLOBAL_ROOT_UID KUIDT_INIT(0) #define GLOBAL_ROOT_GID KGIDT_INIT(0) +#define GLOBAL_SYSTEM_UID KUIDT_INIT(1000) +#define GLOBAL_SYSTEM_GID KGIDT_INIT(1000) + #define INVALID_UID KUIDT_INIT(-1) #define INVALID_GID KGIDT_INIT(-1) |