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-rw-r--r--include/asm-generic/bitops/lock.h14
-rw-r--r--include/linux/cgroup-defs.h3
-rw-r--r--include/linux/device-mapper.h2
-rw-r--r--include/linux/file.h1
-rw-r--r--include/linux/fs.h10
-rw-r--r--include/linux/init_task.h76
-rw-r--r--include/linux/ioprio.h2
-rw-r--r--include/linux/jiffies.h4
-rw-r--r--include/linux/kernel.h6
-rw-r--r--include/linux/mm.h22
-rw-r--r--include/linux/mm_types.h2
-rw-r--r--include/linux/pci.h1
-rw-r--r--include/linux/sched.h91
-rw-r--r--include/linux/sched/prio.h12
-rw-r--r--include/linux/splice.h6
-rw-r--r--include/linux/thermal.h2
-rw-r--r--include/linux/tty.h2
-rw-r--r--include/sound/hdaudio.h2
-rw-r--r--include/uapi/linux/Kbuild1
-rw-r--r--include/uapi/linux/aufs_type.h406
-rw-r--r--include/uapi/linux/sched.h9
21 files changed, 651 insertions, 23 deletions
diff --git a/include/asm-generic/bitops/lock.h b/include/asm-generic/bitops/lock.h
index c30266e94..8ef0ccbf8 100644
--- a/include/asm-generic/bitops/lock.h
+++ b/include/asm-generic/bitops/lock.h
@@ -29,16 +29,16 @@ do { \
* @nr: the bit to set
* @addr: the address to start counting from
*
- * This operation is like clear_bit_unlock, however it is not atomic.
- * It does provide release barrier semantics so it can be used to unlock
- * a bit lock, however it would only be used if no other CPU can modify
- * any bits in the memory until the lock is released (a good example is
- * if the bit lock itself protects access to the other bits in the word).
+ * A weaker form of clear_bit_unlock() as used by __bit_lock_unlock(). If all
+ * the bits in the word are protected by this lock some archs can use weaker
+ * ops to safely unlock.
+ *
+ * See for example x86's implementation.
*/
#define __clear_bit_unlock(nr, addr) \
do { \
- smp_mb(); \
- __clear_bit(nr, addr); \
+ smp_mb__before_atomic(); \
+ clear_bit(nr, addr); \
} while (0)
#endif /* _ASM_GENERIC_BITOPS_LOCK_H_ */
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index 789471dba..89d944b25 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -210,6 +210,9 @@ struct css_set {
/* all css_task_iters currently walking this cset */
struct list_head task_iters;
+ /* dead and being drained, ignore for migration */
+ bool dead;
+
/* For RCU-protected deletion */
struct rcu_head rcu_head;
};
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index ec1c61c87..899ab9f85 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -124,6 +124,8 @@ struct dm_dev {
char name[16];
};
+dev_t dm_get_dev_t(const char *path);
+
/*
* Constructors should call these functions to ensure destination devices
* are opened/closed correctly.
diff --git a/include/linux/file.h b/include/linux/file.h
index f87d30882..9a290b36b 100644
--- a/include/linux/file.h
+++ b/include/linux/file.h
@@ -19,6 +19,7 @@ struct dentry;
struct path;
extern struct file *alloc_file(struct path *, fmode_t mode,
const struct file_operations *fop);
+extern struct file *get_empty_filp(void);
static inline void fput_light(struct file *file, int fput_needed)
{
diff --git a/include/linux/fs.h b/include/linux/fs.h
index cf958ec45..e35963a6f 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1260,6 +1260,7 @@ extern void fasync_free(struct fasync_struct *);
/* can be called from interrupts */
extern void kill_fasync(struct fasync_struct **, int, int);
+extern int setfl(int fd, struct file * filp, unsigned long arg);
extern void __f_setown(struct file *filp, struct pid *, enum pid_type, int force);
extern void f_setown(struct file *filp, unsigned long arg, int force);
extern void f_delown(struct file *filp);
@@ -1648,6 +1649,7 @@ struct file_operations {
ssize_t (*sendpage) (struct file *, struct page *, int, size_t, loff_t *, int);
unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
int (*check_flags)(int);
+ int (*setfl)(struct file *, unsigned long);
int (*flock) (struct file *, int, struct file_lock *);
ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, loff_t *, size_t, unsigned int);
ssize_t (*splice_read)(struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
@@ -1706,6 +1708,12 @@ ssize_t rw_copy_check_uvector(int type, const struct iovec __user * uvector,
struct iovec *fast_pointer,
struct iovec **ret_pointer);
+typedef ssize_t (*vfs_readf_t)(struct file *, char __user *, size_t, loff_t *);
+typedef ssize_t (*vfs_writef_t)(struct file *, const char __user *, size_t,
+ loff_t *);
+vfs_readf_t vfs_readf(struct file *file);
+vfs_writef_t vfs_writef(struct file *file);
+
extern ssize_t __vfs_read(struct file *, char __user *, size_t, loff_t *);
extern ssize_t __vfs_write(struct file *, const char __user *, size_t, loff_t *);
extern ssize_t vfs_read(struct file *, char __user *, size_t, loff_t *);
@@ -2263,7 +2271,7 @@ extern long do_sys_open(int dfd, const char __user *filename, int flags,
extern struct file *file_open_name(struct filename *, int, umode_t);
extern struct file *filp_open(const char *, int, umode_t);
extern struct file *file_open_root(struct dentry *, struct vfsmount *,
- const char *, int);
+ const char *, int, umode_t);
extern struct file * dentry_open(const struct path *, int, const struct cred *);
extern int filp_close(struct file *, fl_owner_t id);
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index f2cb8d455..056d3227d 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -157,8 +157,6 @@ extern struct task_group root_task_group;
# define INIT_VTIME(tsk)
#endif
-#define INIT_TASK_COMM "swapper"
-
#ifdef CONFIG_RT_MUTEXES
# define INIT_RT_MUTEXES(tsk) \
.pi_waiters = RB_ROOT, \
@@ -187,6 +185,78 @@ extern struct task_group root_task_group;
* INIT_TASK is used to set up the first task table, touch at
* your own risk!. Base=0, limit=0x1fffff (=2MB)
*/
+#ifdef CONFIG_SCHED_BFS
+#define INIT_TASK_COMM "BFS"
+#define INIT_TASK(tsk) \
+{ \
+ .state = 0, \
+ .stack = &init_thread_info, \
+ .usage = ATOMIC_INIT(2), \
+ .flags = PF_KTHREAD, \
+ .prio = NORMAL_PRIO, \
+ .static_prio = MAX_PRIO-20, \
+ .normal_prio = NORMAL_PRIO, \
+ .deadline = 0, \
+ .policy = SCHED_NORMAL, \
+ .cpus_allowed = CPU_MASK_ALL, \
+ .mm = NULL, \
+ .active_mm = &init_mm, \
+ .restart_block = { \
+ .fn = do_no_restart_syscall, \
+ }, \
+ .run_list = LIST_HEAD_INIT(tsk.run_list), \
+ .time_slice = HZ, \
+ .tasks = LIST_HEAD_INIT(tsk.tasks), \
+ INIT_PUSHABLE_TASKS(tsk) \
+ .ptraced = LIST_HEAD_INIT(tsk.ptraced), \
+ .ptrace_entry = LIST_HEAD_INIT(tsk.ptrace_entry), \
+ .real_parent = &tsk, \
+ .parent = &tsk, \
+ .children = LIST_HEAD_INIT(tsk.children), \
+ .sibling = LIST_HEAD_INIT(tsk.sibling), \
+ .group_leader = &tsk, \
+ RCU_POINTER_INITIALIZER(real_cred, &init_cred), \
+ RCU_POINTER_INITIALIZER(cred, &init_cred), \
+ .comm = INIT_TASK_COMM, \
+ .thread = INIT_THREAD, \
+ .fs = &init_fs, \
+ .files = &init_files, \
+ .signal = &init_signals, \
+ .sighand = &init_sighand, \
+ .nsproxy = &init_nsproxy, \
+ .pending = { \
+ .list = LIST_HEAD_INIT(tsk.pending.list), \
+ .signal = {{0}}}, \
+ .blocked = {{0}}, \
+ .alloc_lock = __SPIN_LOCK_UNLOCKED(tsk.alloc_lock), \
+ .journal_info = NULL, \
+ .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \
+ .pi_lock = __RAW_SPIN_LOCK_UNLOCKED(tsk.pi_lock), \
+ .timer_slack_ns = 50000, /* 50 usec default slack */ \
+ .pids = { \
+ [PIDTYPE_PID] = INIT_PID_LINK(PIDTYPE_PID), \
+ [PIDTYPE_PGID] = INIT_PID_LINK(PIDTYPE_PGID), \
+ [PIDTYPE_SID] = INIT_PID_LINK(PIDTYPE_SID), \
+ }, \
+ .thread_group = LIST_HEAD_INIT(tsk.thread_group), \
+ .thread_node = LIST_HEAD_INIT(init_signals.thread_head), \
+ INIT_IDS \
+ INIT_PERF_EVENTS(tsk) \
+ INIT_TRACE_IRQFLAGS \
+ INIT_LOCKDEP \
+ INIT_FTRACE_GRAPH \
+ INIT_TRACE_RECURSION \
+ INIT_TASK_RCU_PREEMPT(tsk) \
+ INIT_TASK_RCU_TASKS(tsk) \
+ INIT_CPUSET_SEQ(tsk) \
+ INIT_RT_MUTEXES(tsk) \
+ INIT_PREV_CPUTIME(tsk) \
+ INIT_VTIME(tsk) \
+ INIT_NUMA_BALANCING(tsk) \
+ INIT_KASAN(tsk) \
+}
+#else /* CONFIG_SCHED_BFS */
+#define INIT_TASK_COMM "swapper"
#define INIT_TASK(tsk) \
{ \
.state = 0, \
@@ -261,7 +331,7 @@ extern struct task_group root_task_group;
INIT_NUMA_BALANCING(tsk) \
INIT_KASAN(tsk) \
}
-
+#endif /* CONFIG_SCHED_BFS */
#define INIT_CPU_TIMERS(cpu_timers) \
{ \
diff --git a/include/linux/ioprio.h b/include/linux/ioprio.h
index beb9ce1c2..ce2fc3c74 100644
--- a/include/linux/ioprio.h
+++ b/include/linux/ioprio.h
@@ -52,6 +52,8 @@ enum {
*/
static inline int task_nice_ioprio(struct task_struct *task)
{
+ if (iso_task(task))
+ return 0;
return (task_nice(task) + 20) / 5;
}
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index 5fdc55312..9384572f6 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -164,7 +164,11 @@ static inline u64 get_jiffies_64(void)
* Have the 32 bit jiffies value wrap 5 minutes after boot
* so jiffies wrap bugs show up earlier.
*/
+#ifdef CONFIG_SCHED_BFS
+#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-10*HZ))
+#else
#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
+#endif
/*
* Change timeval to jiffies, trying to avoid the
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index f31638c6e..95452f723 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -635,7 +635,7 @@ do { \
#define do_trace_printk(fmt, args...) \
do { \
- static const char *trace_printk_fmt \
+ static const char *trace_printk_fmt __used \
__attribute__((section("__trace_printk_fmt"))) = \
__builtin_constant_p(fmt) ? fmt : NULL; \
\
@@ -679,7 +679,7 @@ int __trace_printk(unsigned long ip, const char *fmt, ...);
*/
#define trace_puts(str) ({ \
- static const char *trace_printk_fmt \
+ static const char *trace_printk_fmt __used \
__attribute__((section("__trace_printk_fmt"))) = \
__builtin_constant_p(str) ? str : NULL; \
\
@@ -701,7 +701,7 @@ extern void trace_dump_stack(int skip);
#define ftrace_vprintk(fmt, vargs) \
do { \
if (__builtin_constant_p(fmt)) { \
- static const char *trace_printk_fmt \
+ static const char *trace_printk_fmt __used \
__attribute__((section("__trace_printk_fmt"))) = \
__builtin_constant_p(fmt) ? fmt : NULL; \
\
diff --git a/include/linux/mm.h b/include/linux/mm.h
index ccc992c6a..1043097e9 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1217,6 +1217,28 @@ static inline int fixup_user_fault(struct task_struct *tsk,
}
#endif
+extern void vma_do_file_update_time(struct vm_area_struct *, const char[], int);
+extern struct file *vma_do_pr_or_file(struct vm_area_struct *, const char[],
+ int);
+extern void vma_do_get_file(struct vm_area_struct *, const char[], int);
+extern void vma_do_fput(struct vm_area_struct *, const char[], int);
+
+#define vma_file_update_time(vma) vma_do_file_update_time(vma, __func__, \
+ __LINE__)
+#define vma_pr_or_file(vma) vma_do_pr_or_file(vma, __func__, \
+ __LINE__)
+#define vma_get_file(vma) vma_do_get_file(vma, __func__, __LINE__)
+#define vma_fput(vma) vma_do_fput(vma, __func__, __LINE__)
+
+#ifndef CONFIG_MMU
+extern struct file *vmr_do_pr_or_file(struct vm_region *, const char[], int);
+extern void vmr_do_fput(struct vm_region *, const char[], int);
+
+#define vmr_pr_or_file(region) vmr_do_pr_or_file(region, __func__, \
+ __LINE__)
+#define vmr_fput(region) vmr_do_fput(region, __func__, __LINE__)
+#endif /* !CONFIG_MMU */
+
extern int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write);
extern int access_remote_vm(struct mm_struct *mm, unsigned long addr,
void *buf, int len, int write);
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 624b78b84..1be91c585 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -269,6 +269,7 @@ struct vm_region {
unsigned long vm_top; /* region allocated to here */
unsigned long vm_pgoff; /* the offset in vm_file corresponding to vm_start */
struct file *vm_file; /* the backing file or NULL */
+ struct file *vm_prfile; /* the virtual backing file or NULL */
int vm_usage; /* region usage count (access under nommu_region_sem) */
bool vm_icache_flushed : 1; /* true if the icache has been flushed for
@@ -343,6 +344,7 @@ struct vm_area_struct {
unsigned long vm_pgoff; /* Offset (within vm_file) in PAGE_SIZE
units, *not* PAGE_CACHE_SIZE */
struct file * vm_file; /* File we map to (can be NULL). */
+ struct file *vm_prfile; /* shadow of vm_file */
void * vm_private_data; /* was vm_pte (shared mem) */
#ifndef CONFIG_MMU
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 27716254d..60042ab5d 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -359,6 +359,7 @@ struct pci_dev {
unsigned int io_window_1k:1; /* Intel P2P bridge 1K I/O windows */
unsigned int irq_managed:1;
unsigned int has_secondary_link:1;
+ unsigned int non_compliant_bars:1; /* broken BARs; ignore them */
pci_dev_flags_t dev_flags;
atomic_t enable_cnt; /* pci_enable_device has been called */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 838a89a78..a1aec10f1 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -176,7 +176,7 @@ extern void get_iowait_load(unsigned long *nr_waiters, unsigned long *load);
extern void calc_global_load(unsigned long ticks);
-#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON)
+#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON) && !defined(CONFIG_SCHED_BFS)
extern void update_cpu_load_nohz(int active);
#else
static inline void update_cpu_load_nohz(int active) { }
@@ -337,8 +337,6 @@ extern void init_idle_bootup_task(struct task_struct *idle);
extern cpumask_var_t cpu_isolated_map;
-extern int runqueue_is_locked(int cpu);
-
#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON)
extern void nohz_balance_enter_idle(int cpu);
extern void set_cpu_sd_state_idle(void);
@@ -1393,9 +1391,11 @@ struct task_struct {
unsigned int flags; /* per process flags, defined below */
unsigned int ptrace;
+#if defined(CONFIG_SMP) || defined(CONFIG_SCHED_BFS)
+ int on_cpu;
+#endif
#ifdef CONFIG_SMP
struct llist_node wake_entry;
- int on_cpu;
unsigned int wakee_flips;
unsigned long wakee_flip_decay_ts;
struct task_struct *last_wakee;
@@ -1403,12 +1403,29 @@ struct task_struct {
int wake_cpu;
#endif
int on_rq;
-
int prio, static_prio, normal_prio;
unsigned int rt_priority;
+#ifdef CONFIG_SCHED_BFS
+ int time_slice;
+ u64 deadline;
+ struct list_head run_list;
+ u64 last_ran;
+ u64 sched_time; /* sched_clock time spent running */
+#ifdef CONFIG_SMT_NICE
+ int smt_bias; /* Policy/nice level bias across smt siblings */
+#endif
+#ifdef CONFIG_SMP
+ bool sticky; /* Soft affined flag */
+#endif
+#ifdef CONFIG_HOTPLUG_CPU
+ bool zerobound; /* Bound to CPU0 for hotplug */
+#endif
+ unsigned long rt_timeout;
+#else /* CONFIG_SCHED_BFS */
const struct sched_class *sched_class;
struct sched_entity se;
struct sched_rt_entity rt;
+#endif
#ifdef CONFIG_CGROUP_SCHED
struct task_group *sched_task_group;
#endif
@@ -1528,6 +1545,9 @@ struct task_struct {
int __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */
cputime_t utime, stime, utimescaled, stimescaled;
+#ifdef CONFIG_SCHED_BFS
+ unsigned long utime_pc, stime_pc;
+#endif
cputime_t gtime;
struct prev_cputime prev_cputime;
#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
@@ -1846,6 +1866,63 @@ extern int arch_task_struct_size __read_mostly;
# define arch_task_struct_size (sizeof(struct task_struct))
#endif
+#ifdef CONFIG_SCHED_BFS
+bool grunqueue_is_locked(void);
+void grq_unlock_wait(void);
+void cpu_scaling(int cpu);
+void cpu_nonscaling(int cpu);
+#define tsk_seruntime(t) ((t)->sched_time)
+#define tsk_rttimeout(t) ((t)->rt_timeout)
+
+static inline void tsk_cpus_current(struct task_struct *p)
+{
+}
+
+static inline int runqueue_is_locked(int cpu)
+{
+ return grunqueue_is_locked();
+}
+
+void print_scheduler_version(void);
+
+static inline bool iso_task(struct task_struct *p)
+{
+ return (p->policy == SCHED_ISO);
+}
+#else /* CFS */
+extern int runqueue_is_locked(int cpu);
+static inline void cpu_scaling(int cpu)
+{
+}
+
+static inline void cpu_nonscaling(int cpu)
+{
+}
+#define tsk_seruntime(t) ((t)->se.sum_exec_runtime)
+#define tsk_rttimeout(t) ((t)->rt.timeout)
+
+static inline void tsk_cpus_current(struct task_struct *p)
+{
+ p->nr_cpus_allowed = current->nr_cpus_allowed;
+}
+
+static inline void print_scheduler_version(void)
+{
+ printk(KERN_INFO"CFS CPU scheduler.\n");
+}
+
+static inline bool iso_task(struct task_struct *p)
+{
+ return false;
+}
+
+/* Anyone feel like implementing this? */
+static inline bool above_background_load(void)
+{
+ return false;
+}
+#endif /* CONFIG_SCHED_BFS */
+
/* Future-safe accessor for struct task_struct's cpus_allowed. */
#define tsk_cpus_allowed(tsk) (&(tsk)->cpus_allowed)
@@ -2261,7 +2338,7 @@ static inline int set_cpus_allowed_ptr(struct task_struct *p,
}
#endif
-#ifdef CONFIG_NO_HZ_COMMON
+#if defined(CONFIG_NO_HZ_COMMON) && !defined(CONFIG_SCHED_BFS)
void calc_load_enter_idle(void);
void calc_load_exit_idle(void);
#else
@@ -2334,7 +2411,7 @@ extern unsigned long long
task_sched_runtime(struct task_struct *task);
/* sched_exec is called by processes performing an exec */
-#ifdef CONFIG_SMP
+#if defined(CONFIG_SMP) && !defined(CONFIG_SCHED_BFS)
extern void sched_exec(void);
#else
#define sched_exec() {}
diff --git a/include/linux/sched/prio.h b/include/linux/sched/prio.h
index d9cf5a576..7d5d0b861 100644
--- a/include/linux/sched/prio.h
+++ b/include/linux/sched/prio.h
@@ -19,8 +19,20 @@
*/
#define MAX_USER_RT_PRIO 100
+
+#ifdef CONFIG_SCHED_BFS
+/* Note different MAX_RT_PRIO */
+#define MAX_RT_PRIO (MAX_USER_RT_PRIO + 1)
+
+#define ISO_PRIO (MAX_RT_PRIO)
+#define NORMAL_PRIO (MAX_RT_PRIO + 1)
+#define IDLE_PRIO (MAX_RT_PRIO + 2)
+#define PRIO_LIMIT ((IDLE_PRIO) + 1)
+#else /* CONFIG_SCHED_BFS */
#define MAX_RT_PRIO MAX_USER_RT_PRIO
+#endif /* CONFIG_SCHED_BFS */
+
#define MAX_PRIO (MAX_RT_PRIO + NICE_WIDTH)
#define DEFAULT_PRIO (MAX_RT_PRIO + NICE_WIDTH / 2)
diff --git a/include/linux/splice.h b/include/linux/splice.h
index da2751d3b..2e0fca67c 100644
--- a/include/linux/splice.h
+++ b/include/linux/splice.h
@@ -83,4 +83,10 @@ extern void splice_shrink_spd(struct splice_pipe_desc *);
extern void spd_release_page(struct splice_pipe_desc *, unsigned int);
extern const struct pipe_buf_operations page_cache_pipe_buf_ops;
+
+extern long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
+ loff_t *ppos, size_t len, unsigned int flags);
+extern long do_splice_to(struct file *in, loff_t *ppos,
+ struct pipe_inode_info *pipe, size_t len,
+ unsigned int flags);
#endif
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index e13a1ace5..4a849f19e 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -156,6 +156,7 @@ struct thermal_attr {
* @trip_hyst_attrs: attributes for trip points for sysfs: trip hysteresis
* @devdata: private pointer for device private data
* @trips: number of trip points the thermal zone supports
+ * @trips_disabled; bitmap for disabled trips
* @passive_delay: number of milliseconds to wait between polls when
* performing passive cooling.
* @polling_delay: number of milliseconds to wait between polls when
@@ -191,6 +192,7 @@ struct thermal_zone_device {
struct thermal_attr *trip_hyst_attrs;
void *devdata;
int trips;
+ unsigned long trips_disabled; /* bitmap for disabled trips */
int passive_delay;
int polling_delay;
int temperature;
diff --git a/include/linux/tty.h b/include/linux/tty.h
index d9fb4b043..19199c267 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -589,7 +589,7 @@ static inline int tty_ldisc_receive_buf(struct tty_ldisc *ld, unsigned char *p,
count = ld->ops->receive_buf2(ld->tty, p, f, count);
else {
count = min_t(int, count, ld->tty->receive_room);
- if (count)
+ if (count && ld->ops->receive_buf)
ld->ops->receive_buf(ld->tty, p, f, count);
}
return count;
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index c21c38ce7..93e63c56f 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -168,11 +168,13 @@ int snd_hdac_power_up(struct hdac_device *codec);
int snd_hdac_power_down(struct hdac_device *codec);
int snd_hdac_power_up_pm(struct hdac_device *codec);
int snd_hdac_power_down_pm(struct hdac_device *codec);
+int snd_hdac_keep_power_up(struct hdac_device *codec);
#else
static inline int snd_hdac_power_up(struct hdac_device *codec) { return 0; }
static inline int snd_hdac_power_down(struct hdac_device *codec) { return 0; }
static inline int snd_hdac_power_up_pm(struct hdac_device *codec) { return 0; }
static inline int snd_hdac_power_down_pm(struct hdac_device *codec) { return 0; }
+static inline int snd_hdac_keep_power_up(struct hdac_device *codec) { return 0; }
#endif
/*
diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild
index ebd10e624..32152e771 100644
--- a/include/uapi/linux/Kbuild
+++ b/include/uapi/linux/Kbuild
@@ -59,6 +59,7 @@ header-y += atmsvc.h
header-y += atm_tcp.h
header-y += atm_zatm.h
header-y += audit.h
+header-y += aufs_type.h
header-y += auto_fs4.h
header-y += auto_fs.h
header-y += auxvec.h
diff --git a/include/uapi/linux/aufs_type.h b/include/uapi/linux/aufs_type.h
new file mode 100644
index 000000000..e783d44e2
--- /dev/null
+++ b/include/uapi/linux/aufs_type.h
@@ -0,0 +1,406 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
+ */
+
+#ifndef __AUFS_TYPE_H__
+#define __AUFS_TYPE_H__
+
+#define AUFS_NAME "aufs"
+
+#ifdef __KERNEL__
+/*
+ * define it before including all other headers.
+ * sched.h may use pr_* macros before defining "current", so define the
+ * no-current version first, and re-define later.
+ */
+#define pr_fmt(fmt) AUFS_NAME " %s:%d: " fmt, __func__, __LINE__
+#include <linux/sched.h>
+#undef pr_fmt
+#define pr_fmt(fmt) \
+ AUFS_NAME " %s:%d:%.*s[%d]: " fmt, __func__, __LINE__, \
+ (int)sizeof(current->comm), current->comm, current->pid
+#else
+#include <stdint.h>
+#include <sys/types.h>
+#endif /* __KERNEL__ */
+
+#include <linux/limits.h>
+
+#define AUFS_VERSION "4.5"
+
+/* todo? move this to linux-2.6.19/include/magic.h */
+#define AUFS_SUPER_MAGIC ('a' << 24 | 'u' << 16 | 'f' << 8 | 's')
+
+/* ---------------------------------------------------------------------- */
+
+#ifdef CONFIG_AUFS_BRANCH_MAX_127
+typedef int8_t aufs_bindex_t;
+#define AUFS_BRANCH_MAX 127
+#else
+typedef int16_t aufs_bindex_t;
+#ifdef CONFIG_AUFS_BRANCH_MAX_511
+#define AUFS_BRANCH_MAX 511
+#elif defined(CONFIG_AUFS_BRANCH_MAX_1023)
+#define AUFS_BRANCH_MAX 1023
+#elif defined(CONFIG_AUFS_BRANCH_MAX_32767)
+#define AUFS_BRANCH_MAX 32767
+#endif
+#endif
+
+#ifdef __KERNEL__
+#ifndef AUFS_BRANCH_MAX
+#error unknown CONFIG_AUFS_BRANCH_MAX value
+#endif
+#endif /* __KERNEL__ */
+
+/* ---------------------------------------------------------------------- */
+
+#define AUFS_FSTYPE AUFS_NAME
+
+#define AUFS_ROOT_INO 2
+#define AUFS_FIRST_INO 11
+
+#define AUFS_WH_PFX ".wh."
+#define AUFS_WH_PFX_LEN ((int)sizeof(AUFS_WH_PFX) - 1)
+#define AUFS_WH_TMP_LEN 4
+/* a limit for rmdir/rename a dir and copyup */
+#define AUFS_MAX_NAMELEN (NAME_MAX \
+ - AUFS_WH_PFX_LEN * 2 /* doubly whiteouted */\
+ - 1 /* dot */\
+ - AUFS_WH_TMP_LEN) /* hex */
+#define AUFS_XINO_FNAME "." AUFS_NAME ".xino"
+#define AUFS_XINO_DEFPATH "/tmp/" AUFS_XINO_FNAME
+#define AUFS_XINO_DEF_SEC 30 /* seconds */
+#define AUFS_XINO_DEF_TRUNC 45 /* percentage */
+#define AUFS_DIRWH_DEF 3
+#define AUFS_RDCACHE_DEF 10 /* seconds */
+#define AUFS_RDCACHE_MAX 3600 /* seconds */
+#define AUFS_RDBLK_DEF 512 /* bytes */
+#define AUFS_RDHASH_DEF 32
+#define AUFS_WKQ_NAME AUFS_NAME "d"
+#define AUFS_MFS_DEF_SEC 30 /* seconds */
+#define AUFS_MFS_MAX_SEC 3600 /* seconds */
+#define AUFS_FHSM_CACHE_DEF_SEC 30 /* seconds */
+#define AUFS_PLINK_WARN 50 /* number of plinks in a single bucket */
+
+/* pseudo-link maintenace under /proc */
+#define AUFS_PLINK_MAINT_NAME "plink_maint"
+#define AUFS_PLINK_MAINT_DIR "fs/" AUFS_NAME
+#define AUFS_PLINK_MAINT_PATH AUFS_PLINK_MAINT_DIR "/" AUFS_PLINK_MAINT_NAME
+
+#define AUFS_DIROPQ_NAME AUFS_WH_PFX ".opq" /* whiteouted doubly */
+#define AUFS_WH_DIROPQ AUFS_WH_PFX AUFS_DIROPQ_NAME
+
+#define AUFS_BASE_NAME AUFS_WH_PFX AUFS_NAME
+#define AUFS_PLINKDIR_NAME AUFS_WH_PFX "plnk"
+#define AUFS_ORPHDIR_NAME AUFS_WH_PFX "orph"
+
+/* doubly whiteouted */
+#define AUFS_WH_BASE AUFS_WH_PFX AUFS_BASE_NAME
+#define AUFS_WH_PLINKDIR AUFS_WH_PFX AUFS_PLINKDIR_NAME
+#define AUFS_WH_ORPHDIR AUFS_WH_PFX AUFS_ORPHDIR_NAME
+
+/* branch permissions and attributes */
+#define AUFS_BRPERM_RW "rw"
+#define AUFS_BRPERM_RO "ro"
+#define AUFS_BRPERM_RR "rr"
+#define AUFS_BRATTR_COO_REG "coo_reg"
+#define AUFS_BRATTR_COO_ALL "coo_all"
+#define AUFS_BRATTR_FHSM "fhsm"
+#define AUFS_BRATTR_UNPIN "unpin"
+#define AUFS_BRATTR_ICEX "icex"
+#define AUFS_BRATTR_ICEX_SEC "icexsec"
+#define AUFS_BRATTR_ICEX_SYS "icexsys"
+#define AUFS_BRATTR_ICEX_TR "icextr"
+#define AUFS_BRATTR_ICEX_USR "icexusr"
+#define AUFS_BRATTR_ICEX_OTH "icexoth"
+#define AUFS_BRRATTR_WH "wh"
+#define AUFS_BRWATTR_NLWH "nolwh"
+#define AUFS_BRWATTR_MOO "moo"
+
+#define AuBrPerm_RW 1 /* writable, hardlinkable wh */
+#define AuBrPerm_RO (1 << 1) /* readonly */
+#define AuBrPerm_RR (1 << 2) /* natively readonly */
+#define AuBrPerm_Mask (AuBrPerm_RW | AuBrPerm_RO | AuBrPerm_RR)
+
+#define AuBrAttr_COO_REG (1 << 3) /* copy-up on open */
+#define AuBrAttr_COO_ALL (1 << 4)
+#define AuBrAttr_COO_Mask (AuBrAttr_COO_REG | AuBrAttr_COO_ALL)
+
+#define AuBrAttr_FHSM (1 << 5) /* file-based hsm */
+#define AuBrAttr_UNPIN (1 << 6) /* rename-able top dir of
+ branch. meaningless since
+ linux-3.18-rc1 */
+
+/* ignore error in copying XATTR */
+#define AuBrAttr_ICEX_SEC (1 << 7)
+#define AuBrAttr_ICEX_SYS (1 << 8)
+#define AuBrAttr_ICEX_TR (1 << 9)
+#define AuBrAttr_ICEX_USR (1 << 10)
+#define AuBrAttr_ICEX_OTH (1 << 11)
+#define AuBrAttr_ICEX (AuBrAttr_ICEX_SEC \
+ | AuBrAttr_ICEX_SYS \
+ | AuBrAttr_ICEX_TR \
+ | AuBrAttr_ICEX_USR \
+ | AuBrAttr_ICEX_OTH)
+
+#define AuBrRAttr_WH (1 << 12) /* whiteout-able */
+#define AuBrRAttr_Mask AuBrRAttr_WH
+
+#define AuBrWAttr_NoLinkWH (1 << 13) /* un-hardlinkable whiteouts */
+#define AuBrWAttr_MOO (1 << 14) /* move-up on open */
+#define AuBrWAttr_Mask (AuBrWAttr_NoLinkWH | AuBrWAttr_MOO)
+
+#define AuBrAttr_CMOO_Mask (AuBrAttr_COO_Mask | AuBrWAttr_MOO)
+
+/* #warning test userspace */
+#ifdef __KERNEL__
+#ifndef CONFIG_AUFS_FHSM
+#undef AuBrAttr_FHSM
+#define AuBrAttr_FHSM 0
+#endif
+#ifndef CONFIG_AUFS_XATTR
+#undef AuBrAttr_ICEX
+#define AuBrAttr_ICEX 0
+#undef AuBrAttr_ICEX_SEC
+#define AuBrAttr_ICEX_SEC 0
+#undef AuBrAttr_ICEX_SYS
+#define AuBrAttr_ICEX_SYS 0
+#undef AuBrAttr_ICEX_TR
+#define AuBrAttr_ICEX_TR 0
+#undef AuBrAttr_ICEX_USR
+#define AuBrAttr_ICEX_USR 0
+#undef AuBrAttr_ICEX_OTH
+#define AuBrAttr_ICEX_OTH 0
+#endif
+#endif
+
+/* the longest combination */
+/* AUFS_BRATTR_ICEX and AUFS_BRATTR_ICEX_TR don't affect here */
+#define AuBrPermStrSz sizeof(AUFS_BRPERM_RW \
+ "+" AUFS_BRATTR_COO_REG \
+ "+" AUFS_BRATTR_FHSM \
+ "+" AUFS_BRATTR_UNPIN \
+ "+" AUFS_BRATTR_ICEX_SEC \
+ "+" AUFS_BRATTR_ICEX_SYS \
+ "+" AUFS_BRATTR_ICEX_USR \
+ "+" AUFS_BRATTR_ICEX_OTH \
+ "+" AUFS_BRWATTR_NLWH)
+
+typedef struct {
+ char a[AuBrPermStrSz];
+} au_br_perm_str_t;
+
+static inline int au_br_writable(int brperm)
+{
+ return brperm & AuBrPerm_RW;
+}
+
+static inline int au_br_whable(int brperm)
+{
+ return brperm & (AuBrPerm_RW | AuBrRAttr_WH);
+}
+
+static inline int au_br_wh_linkable(int brperm)
+{
+ return !(brperm & AuBrWAttr_NoLinkWH);
+}
+
+static inline int au_br_cmoo(int brperm)
+{
+ return brperm & AuBrAttr_CMOO_Mask;
+}
+
+static inline int au_br_fhsm(int brperm)
+{
+ return brperm & AuBrAttr_FHSM;
+}
+
+/* ---------------------------------------------------------------------- */
+
+/* ioctl */
+enum {
+ /* readdir in userspace */
+ AuCtl_RDU,
+ AuCtl_RDU_INO,
+
+ AuCtl_WBR_FD, /* pathconf wrapper */
+ AuCtl_IBUSY, /* busy inode */
+ AuCtl_MVDOWN, /* move-down */
+ AuCtl_BR, /* info about branches */
+ AuCtl_FHSM_FD /* connection for fhsm */
+};
+
+/* borrowed from linux/include/linux/kernel.h */
+#ifndef ALIGN
+#define ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a)-1)
+#define __ALIGN_MASK(x, mask) (((x)+(mask))&~(mask))
+#endif
+
+/* borrowed from linux/include/linux/compiler-gcc3.h */
+#ifndef __aligned
+#define __aligned(x) __attribute__((aligned(x)))
+#endif
+
+#ifdef __KERNEL__
+#ifndef __packed
+#define __packed __attribute__((packed))
+#endif
+#endif
+
+struct au_rdu_cookie {
+ uint64_t h_pos;
+ int16_t bindex;
+ uint8_t flags;
+ uint8_t pad;
+ uint32_t generation;
+} __aligned(8);
+
+struct au_rdu_ent {
+ uint64_t ino;
+ int16_t bindex;
+ uint8_t type;
+ uint8_t nlen;
+ uint8_t wh;
+ char name[0];
+} __aligned(8);
+
+static inline int au_rdu_len(int nlen)
+{
+ /* include the terminating NULL */
+ return ALIGN(sizeof(struct au_rdu_ent) + nlen + 1,
+ sizeof(uint64_t));
+}
+
+union au_rdu_ent_ul {
+ struct au_rdu_ent __user *e;
+ uint64_t ul;
+};
+
+enum {
+ AufsCtlRduV_SZ,
+ AufsCtlRduV_End
+};
+
+struct aufs_rdu {
+ /* input */
+ union {
+ uint64_t sz; /* AuCtl_RDU */
+ uint64_t nent; /* AuCtl_RDU_INO */
+ };
+ union au_rdu_ent_ul ent;
+ uint16_t verify[AufsCtlRduV_End];
+
+ /* input/output */
+ uint32_t blk;
+
+ /* output */
+ union au_rdu_ent_ul tail;
+ /* number of entries which were added in a single call */
+ uint64_t rent;
+ uint8_t full;
+ uint8_t shwh;
+
+ struct au_rdu_cookie cookie;
+} __aligned(8);
+
+/* ---------------------------------------------------------------------- */
+
+struct aufs_wbr_fd {
+ uint32_t oflags;
+ int16_t brid;
+} __aligned(8);
+
+/* ---------------------------------------------------------------------- */
+
+struct aufs_ibusy {
+ uint64_t ino, h_ino;
+ int16_t bindex;
+} __aligned(8);
+
+/* ---------------------------------------------------------------------- */
+
+/* error code for move-down */
+/* the actual message strings are implemented in aufs-util.git */
+enum {
+ EAU_MVDOWN_OPAQUE = 1,
+ EAU_MVDOWN_WHITEOUT,
+ EAU_MVDOWN_UPPER,
+ EAU_MVDOWN_BOTTOM,
+ EAU_MVDOWN_NOUPPER,
+ EAU_MVDOWN_NOLOWERBR,
+ EAU_Last
+};
+
+/* flags for move-down */
+#define AUFS_MVDOWN_DMSG 1
+#define AUFS_MVDOWN_OWLOWER (1 << 1) /* overwrite lower */
+#define AUFS_MVDOWN_KUPPER (1 << 2) /* keep upper */
+#define AUFS_MVDOWN_ROLOWER (1 << 3) /* do even if lower is RO */
+#define AUFS_MVDOWN_ROLOWER_R (1 << 4) /* did on lower RO */
+#define AUFS_MVDOWN_ROUPPER (1 << 5) /* do even if upper is RO */
+#define AUFS_MVDOWN_ROUPPER_R (1 << 6) /* did on upper RO */
+#define AUFS_MVDOWN_BRID_UPPER (1 << 7) /* upper brid */
+#define AUFS_MVDOWN_BRID_LOWER (1 << 8) /* lower brid */
+#define AUFS_MVDOWN_FHSM_LOWER (1 << 9) /* find fhsm attr for lower */
+#define AUFS_MVDOWN_STFS (1 << 10) /* req. stfs */
+#define AUFS_MVDOWN_STFS_FAILED (1 << 11) /* output: stfs is unusable */
+#define AUFS_MVDOWN_BOTTOM (1 << 12) /* output: no more lowers */
+
+/* index for move-down */
+enum {
+ AUFS_MVDOWN_UPPER,
+ AUFS_MVDOWN_LOWER,
+ AUFS_MVDOWN_NARRAY
+};
+
+/*
+ * additional info of move-down
+ * number of free blocks and inodes.
+ * subset of struct kstatfs, but smaller and always 64bit.
+ */
+struct aufs_stfs {
+ uint64_t f_blocks;
+ uint64_t f_bavail;
+ uint64_t f_files;
+ uint64_t f_ffree;
+};
+
+struct aufs_stbr {
+ int16_t brid; /* optional input */
+ int16_t bindex; /* output */
+ struct aufs_stfs stfs; /* output when AUFS_MVDOWN_STFS set */
+} __aligned(8);
+
+struct aufs_mvdown {
+ uint32_t flags; /* input/output */
+ struct aufs_stbr stbr[AUFS_MVDOWN_NARRAY]; /* input/output */
+ int8_t au_errno; /* output */
+} __aligned(8);
+
+/* ---------------------------------------------------------------------- */
+
+union aufs_brinfo {
+ /* PATH_MAX may differ between kernel-space and user-space */
+ char _spacer[4096];
+ struct {
+ int16_t id;
+ int perm;
+ char path[0];
+ };
+} __aligned(8);
+
+/* ---------------------------------------------------------------------- */
+
+#define AuCtlType 'A'
+#define AUFS_CTL_RDU _IOWR(AuCtlType, AuCtl_RDU, struct aufs_rdu)
+#define AUFS_CTL_RDU_INO _IOWR(AuCtlType, AuCtl_RDU_INO, struct aufs_rdu)
+#define AUFS_CTL_WBR_FD _IOW(AuCtlType, AuCtl_WBR_FD, \
+ struct aufs_wbr_fd)
+#define AUFS_CTL_IBUSY _IOWR(AuCtlType, AuCtl_IBUSY, struct aufs_ibusy)
+#define AUFS_CTL_MVDOWN _IOWR(AuCtlType, AuCtl_MVDOWN, \
+ struct aufs_mvdown)
+#define AUFS_CTL_BRINFO _IOW(AuCtlType, AuCtl_BR, union aufs_brinfo)
+#define AUFS_CTL_FHSM_FD _IOW(AuCtlType, AuCtl_FHSM_FD, int)
+
+#endif /* __AUFS_TYPE_H__ */
diff --git a/include/uapi/linux/sched.h b/include/uapi/linux/sched.h
index cc89ddefa..f63e1cd82 100644
--- a/include/uapi/linux/sched.h
+++ b/include/uapi/linux/sched.h
@@ -37,9 +37,16 @@
#define SCHED_FIFO 1
#define SCHED_RR 2
#define SCHED_BATCH 3
-/* SCHED_ISO: reserved but not implemented yet */
+/* SCHED_ISO: Implemented on BFS only */
#define SCHED_IDLE 5
+#ifdef CONFIG_SCHED_BFS
+#define SCHED_ISO 4
+#define SCHED_IDLEPRIO SCHED_IDLE
+#define SCHED_MAX (SCHED_IDLEPRIO)
+#define SCHED_RANGE(policy) ((policy) <= SCHED_MAX)
+#else /* CONFIG_SCHED_BFS */
#define SCHED_DEADLINE 6
+#endif /* CONFIG_SCHED_BFS */
/* Can be ORed in to make sure the process is reverted back to SCHED_NORMAL on fork */
#define SCHED_RESET_ON_FORK 0x40000000
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-17 04:02:56 +0000