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-rw-r--r--include/linux/ata.h41
-rw-r--r--include/linux/blkdev.h2
-rw-r--r--include/linux/compiler.h7
-rw-r--r--include/linux/dma-mapping.h2
-rw-r--r--include/linux/elevator.h1
-rw-r--r--include/linux/fs.h3
-rw-r--r--include/linux/fsl_devices.h22
-rw-r--r--include/linux/ftrace.h8
-rw-r--r--include/linux/hardirq.h2
-rw-r--r--include/linux/i2c-id.h1
-rw-r--r--include/linux/i2c/s6000.h10
-rw-r--r--include/linux/init_task.h4
-rw-r--r--include/linux/interrupt.h75
-rw-r--r--include/linux/ipc_namespace.h65
-rw-r--r--include/linux/irq.h5
-rw-r--r--include/linux/irqreturn.h2
-rw-r--r--include/linux/kprobes.h52
-rw-r--r--include/linux/mg_disk.h206
-rw-r--r--include/linux/nilfs2_fs.h801
-rw-r--r--include/linux/parport_pc.h11
-rw-r--r--include/linux/pci.h5
-rw-r--r--include/linux/sched.h23
-rw-r--r--include/linux/serial_core.h3
-rw-r--r--include/linux/spi/spi.h6
-rw-r--r--include/linux/tty_driver.h3
-rw-r--r--include/linux/videodev2.h5
-rw-r--r--include/linux/writeback.h2
27 files changed, 1301 insertions, 66 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 6617c9f8f2c..cb79b7a208e 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -29,6 +29,8 @@
#ifndef __LINUX_ATA_H__
#define __LINUX_ATA_H__
+#include <linux/kernel.h>
+#include <linux/string.h>
#include <linux/types.h>
#include <asm/byteorder.h>
@@ -91,6 +93,7 @@ enum {
ATA_ID_CFA_POWER = 160,
ATA_ID_CFA_KEY_MGMT = 162,
ATA_ID_CFA_MODES = 163,
+ ATA_ID_DATA_SET_MGMT = 169,
ATA_ID_ROT_SPEED = 217,
ATA_ID_PIO4 = (1 << 1),
@@ -248,6 +251,7 @@ enum {
ATA_CMD_SMART = 0xB0,
ATA_CMD_MEDIA_LOCK = 0xDE,
ATA_CMD_MEDIA_UNLOCK = 0xDF,
+ ATA_CMD_DSM = 0x06,
/* marked obsolete in the ATA/ATAPI-7 spec */
ATA_CMD_RESTORE = 0x10,
@@ -321,6 +325,9 @@ enum {
ATA_SMART_READ_VALUES = 0xD0,
ATA_SMART_READ_THRESHOLDS = 0xD1,
+ /* feature values for Data Set Management */
+ ATA_DSM_TRIM = 0x01,
+
/* password used in LBA Mid / LBA High for executing SMART commands */
ATA_SMART_LBAM_PASS = 0x4F,
ATA_SMART_LBAH_PASS = 0xC2,
@@ -723,6 +730,14 @@ static inline int ata_id_has_unload(const u16 *id)
return 0;
}
+static inline int ata_id_has_trim(const u16 *id)
+{
+ if (ata_id_major_version(id) >= 7 &&
+ (id[ATA_ID_DATA_SET_MGMT] & 1))
+ return 1;
+ return 0;
+}
+
static inline int ata_id_current_chs_valid(const u16 *id)
{
/* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command
@@ -863,6 +878,32 @@ static inline void ata_id_to_hd_driveid(u16 *id)
#endif
}
+/*
+ * Write up to 'max' LBA Range Entries to the buffer that will cover the
+ * extent from sector to sector + count. This is used for TRIM and for
+ * ADD LBA(S) TO NV CACHE PINNED SET.
+ */
+static inline unsigned ata_set_lba_range_entries(void *_buffer, unsigned max,
+ u64 sector, unsigned long count)
+{
+ __le64 *buffer = _buffer;
+ unsigned i = 0;
+
+ while (i < max) {
+ u64 entry = sector |
+ ((u64)(count > 0xffff ? 0xffff : count) << 48);
+ buffer[i++] = __cpu_to_le64(entry);
+ if (count <= 0xffff)
+ break;
+ count -= 0xffff;
+ sector += 0xffff;
+ }
+
+ max = ALIGN(i * 8, 512);
+ memset(buffer + i, 0, max - i * 8);
+ return max;
+}
+
static inline int is_multi_taskfile(struct ata_taskfile *tf)
{
return (tf->command == ATA_CMD_READ_MULTI) ||
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index e03660964e0..ba54c834a59 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -117,7 +117,6 @@ enum rq_flag_bits {
__REQ_RW_META, /* metadata io request */
__REQ_COPY_USER, /* contains copies of user pages */
__REQ_INTEGRITY, /* integrity metadata has been remapped */
- __REQ_UNPLUG, /* unplug queue on submission */
__REQ_NOIDLE, /* Don't anticipate more IO after this one */
__REQ_NR_BITS, /* stops here */
};
@@ -145,7 +144,6 @@ enum rq_flag_bits {
#define REQ_RW_META (1 << __REQ_RW_META)
#define REQ_COPY_USER (1 << __REQ_COPY_USER)
#define REQ_INTEGRITY (1 << __REQ_INTEGRITY)
-#define REQ_UNPLUG (1 << __REQ_UNPLUG)
#define REQ_NOIDLE (1 << __REQ_NOIDLE)
#define BLK_MAX_CDB 16
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 6faa7e549de..37bcb50a4d7 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -76,7 +76,8 @@ struct ftrace_branch_data {
* Note: DISABLE_BRANCH_PROFILING can be used by special lowlevel code
* to disable branch tracing on a per file basis.
*/
-#if defined(CONFIG_TRACE_BRANCH_PROFILING) && !defined(DISABLE_BRANCH_PROFILING)
+#if defined(CONFIG_TRACE_BRANCH_PROFILING) \
+ && !defined(DISABLE_BRANCH_PROFILING) && !defined(__CHECKER__)
void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
#define likely_notrace(x) __builtin_expect(!!(x), 1)
@@ -114,7 +115,9 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
* "Define 'is'", Bill Clinton
* "Define 'if'", Steven Rostedt
*/
-#define if(cond) if (__builtin_constant_p((cond)) ? !!(cond) : \
+#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
+#define __trace_if(cond) \
+ if (__builtin_constant_p((cond)) ? !!(cond) : \
({ \
int ______r; \
static struct ftrace_branch_data \
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index d7d090d2103..8083b6a36a3 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -115,7 +115,7 @@ static inline u64 dma_get_mask(struct device *dev)
{
if (dev && dev->dma_mask && *dev->dma_mask)
return *dev->dma_mask;
- return DMA_32BIT_MASK;
+ return DMA_BIT_MASK(32);
}
extern u64 dma_get_required_mask(struct device *dev);
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 7a204256b15..c59b769f62b 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -116,6 +116,7 @@ extern void elv_abort_queue(struct request_queue *);
extern void elv_completed_request(struct request_queue *, struct request *);
extern int elv_set_request(struct request_queue *, struct request *, gfp_t);
extern void elv_put_request(struct request_queue *, struct request *);
+extern void elv_drain_elevator(struct request_queue *);
/*
* io scheduler registration
diff --git a/include/linux/fs.h b/include/linux/fs.h
index bce40a2207e..562d2855cf3 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1699,6 +1699,9 @@ struct file_system_type {
struct lock_class_key i_alloc_sem_key;
};
+extern int get_sb_ns(struct file_system_type *fs_type, int flags, void *data,
+ int (*fill_super)(struct super_block *, void *, int),
+ struct vfsmount *mnt);
extern int get_sb_bdev(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data,
int (*fill_super)(struct super_block *, void *, int),
diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h
index 7ef1caf5026..f2a78b5e8b5 100644
--- a/include/linux/fsl_devices.h
+++ b/include/linux/fsl_devices.h
@@ -18,7 +18,6 @@
#define _FSL_DEVICE_H_
#include <linux/types.h>
-#include <linux/phy.h>
/*
* Some conventions on how we handle peripherals on Freescale chips
@@ -44,27 +43,6 @@
*
*/
-struct gianfar_platform_data {
- /* device specific information */
- u32 device_flags;
- char bus_id[BUS_ID_SIZE];
- phy_interface_t interface;
-};
-
-struct gianfar_mdio_data {
- /* board specific information */
- int irq[32];
-};
-
-/* Flags in gianfar_platform_data */
-#define FSL_GIANFAR_BRD_HAS_PHY_INTR 0x00000001 /* set or use a timer */
-#define FSL_GIANFAR_BRD_IS_REDUCED 0x00000002 /* Set if RGMII, RMII */
-
-struct fsl_i2c_platform_data {
- /* device specific information */
- u32 device_flags;
-};
-
/* Flags related to I2C device features */
#define FSL_I2C_DEV_SEPARATE_DFSRR 0x00000001
#define FSL_I2C_DEV_CLOCK_5200 0x00000002
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 015a3d22cf7..da5405dce34 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -356,6 +356,9 @@ struct ftrace_graph_ret {
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+/* for init task */
+#define INIT_FTRACE_GRAPH .ret_stack = NULL
+
/*
* Stack of return addresses for functions
* of a thread.
@@ -430,10 +433,11 @@ static inline void unpause_graph_tracing(void)
{
atomic_dec(&current->tracing_graph_pause);
}
-#else
+#else /* !CONFIG_FUNCTION_GRAPH_TRACER */
#define __notrace_funcgraph
#define __irq_entry
+#define INIT_FTRACE_GRAPH
static inline void ftrace_graph_init_task(struct task_struct *t) { }
static inline void ftrace_graph_exit_task(struct task_struct *t) { }
@@ -445,7 +449,7 @@ static inline int task_curr_ret_stack(struct task_struct *tsk)
static inline void pause_graph_tracing(void) { }
static inline void unpause_graph_tracing(void) { }
-#endif
+#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
#ifdef CONFIG_TRACING
#include <linux/sched.h>
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index faa1cf848bc..45257475623 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -116,7 +116,7 @@
# define IRQ_EXIT_OFFSET HARDIRQ_OFFSET
#endif
-#ifdef CONFIG_SMP
+#if defined(CONFIG_SMP) || defined(CONFIG_GENERIC_HARDIRQS)
extern void synchronize_irq(unsigned int irq);
#else
# define synchronize_irq(irq) barrier()
diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h
index ee9fbc17240..c9087de5c6c 100644
--- a/include/linux/i2c-id.h
+++ b/include/linux/i2c-id.h
@@ -51,6 +51,7 @@
#define I2C_HW_B_CX2341X 0x010020 /* Conexant CX2341X MPEG encoder cards */
#define I2C_HW_B_CX23885 0x010022 /* conexant 23885 based tv cards (bus1) */
#define I2C_HW_B_AU0828 0x010023 /* auvitek au0828 usb bridge */
+#define I2C_HW_B_CX231XX 0x010024 /* Conexant CX231XX USB based cards */
#define I2C_HW_B_HDPVR 0x010025 /* Hauppauge HD PVR */
/* --- SGI adapters */
diff --git a/include/linux/i2c/s6000.h b/include/linux/i2c/s6000.h
new file mode 100644
index 00000000000..d9b34bfdae7
--- /dev/null
+++ b/include/linux/i2c/s6000.h
@@ -0,0 +1,10 @@
+#ifndef __LINUX_I2C_S6000_H
+#define __LINUX_I2C_S6000_H
+
+struct s6_i2c_platform_data {
+ const char *clock; /* the clock to use */
+ int bus_num; /* the bus number to register */
+};
+
+#endif
+
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index ca226a91abe..c9886610281 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -5,6 +5,7 @@
#include <linux/irqflags.h>
#include <linux/utsname.h>
#include <linux/lockdep.h>
+#include <linux/ftrace.h>
#include <linux/ipc.h>
#include <linux/pid_namespace.h>
#include <linux/user_namespace.h>
@@ -195,9 +196,10 @@ extern struct cred init_cred;
}, \
.dirties = INIT_PROP_LOCAL_SINGLE(dirties), \
INIT_IDS \
+ INIT_PERF_COUNTERS(tsk) \
INIT_TRACE_IRQFLAGS \
INIT_LOCKDEP \
- INIT_PERF_COUNTERS(tsk) \
+ INIT_FTRACE_GRAPH \
}
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 8a9613d0c67..91bb76f44f1 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -59,6 +59,18 @@
#define IRQF_NOBALANCING 0x00000800
#define IRQF_IRQPOLL 0x00001000
+/*
+ * Bits used by threaded handlers:
+ * IRQTF_RUNTHREAD - signals that the interrupt handler thread should run
+ * IRQTF_DIED - handler thread died
+ * IRQTF_WARNED - warning "IRQ_WAKE_THREAD w/o thread_fn" has been printed
+ */
+enum {
+ IRQTF_RUNTHREAD,
+ IRQTF_DIED,
+ IRQTF_WARNED,
+};
+
typedef irqreturn_t (*irq_handler_t)(int, void *);
/**
@@ -71,6 +83,9 @@ typedef irqreturn_t (*irq_handler_t)(int, void *);
* @next: pointer to the next irqaction for shared interrupts
* @irq: interrupt number
* @dir: pointer to the proc/irq/NN/name entry
+ * @thread_fn: interupt handler function for threaded interrupts
+ * @thread: thread pointer for threaded interrupts
+ * @thread_flags: flags related to @thread
*/
struct irqaction {
irq_handler_t handler;
@@ -81,18 +96,68 @@ struct irqaction {
struct irqaction *next;
int irq;
struct proc_dir_entry *dir;
+ irq_handler_t thread_fn;
+ struct task_struct *thread;
+ unsigned long thread_flags;
};
extern irqreturn_t no_action(int cpl, void *dev_id);
-extern int __must_check request_irq(unsigned int, irq_handler_t handler,
- unsigned long, const char *, void *);
+
+#ifdef CONFIG_GENERIC_HARDIRQS
+extern int __must_check
+request_threaded_irq(unsigned int irq, irq_handler_t handler,
+ irq_handler_t thread_fn,
+ unsigned long flags, const char *name, void *dev);
+
+static inline int __must_check
+request_irq(unsigned int irq, irq_handler_t handler, unsigned long flags,
+ const char *name, void *dev)
+{
+ return request_threaded_irq(irq, handler, NULL, flags, name, dev);
+}
+
+extern void exit_irq_thread(void);
+#else
+
+extern int __must_check
+request_irq(unsigned int irq, irq_handler_t handler, unsigned long flags,
+ const char *name, void *dev);
+
+/*
+ * Special function to avoid ifdeffery in kernel/irq/devres.c which
+ * gets magically built by GENERIC_HARDIRQS=n architectures (sparc,
+ * m68k). I really love these $@%#!* obvious Makefile references:
+ * ../../../kernel/irq/devres.o
+ */
+static inline int __must_check
+request_threaded_irq(unsigned int irq, irq_handler_t handler,
+ irq_handler_t thread_fn,
+ unsigned long flags, const char *name, void *dev)
+{
+ return request_irq(irq, handler, flags, name, dev);
+}
+
+static inline void exit_irq_thread(void) { }
+#endif
+
extern void free_irq(unsigned int, void *);
struct device;
-extern int __must_check devm_request_irq(struct device *dev, unsigned int irq,
- irq_handler_t handler, unsigned long irqflags,
- const char *devname, void *dev_id);
+extern int __must_check
+devm_request_threaded_irq(struct device *dev, unsigned int irq,
+ irq_handler_t handler, irq_handler_t thread_fn,
+ unsigned long irqflags, const char *devname,
+ void *dev_id);
+
+static inline int __must_check
+devm_request_irq(struct device *dev, unsigned int irq, irq_handler_t handler,
+ unsigned long irqflags, const char *devname, void *dev_id)
+{
+ return devm_request_threaded_irq(dev, irq, handler, NULL, irqflags,
+ devname, dev_id);
+}
+
extern void devm_free_irq(struct device *dev, unsigned int irq, void *dev_id);
/*
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
index ea330f9e710..3bf40e246a8 100644
--- a/include/linux/ipc_namespace.h
+++ b/include/linux/ipc_namespace.h
@@ -25,7 +25,7 @@ struct ipc_ids {
};
struct ipc_namespace {
- struct kref kref;
+ atomic_t count;
struct ipc_ids ids[3];
int sem_ctls[4];
@@ -44,25 +44,57 @@ struct ipc_namespace {
int shm_tot;
struct notifier_block ipcns_nb;
+
+ /* The kern_mount of the mqueuefs sb. We take a ref on it */
+ struct vfsmount *mq_mnt;
+
+ /* # queues in this ns, protected by mq_lock */
+ unsigned int mq_queues_count;
+
+ /* next fields are set through sysctl */
+ unsigned int mq_queues_max; /* initialized to DFLT_QUEUESMAX */
+ unsigned int mq_msg_max; /* initialized to DFLT_MSGMAX */
+ unsigned int mq_msgsize_max; /* initialized to DFLT_MSGSIZEMAX */
+
};
extern struct ipc_namespace init_ipc_ns;
extern atomic_t nr_ipc_ns;
-#ifdef CONFIG_SYSVIPC
+extern spinlock_t mq_lock;
+#if defined(CONFIG_POSIX_MQUEUE) || defined(CONFIG_SYSVIPC)
#define INIT_IPC_NS(ns) .ns = &init_ipc_ns,
+#else
+#define INIT_IPC_NS(ns)
+#endif
+#ifdef CONFIG_SYSVIPC
extern int register_ipcns_notifier(struct ipc_namespace *);
extern int cond_register_ipcns_notifier(struct ipc_namespace *);
extern void unregister_ipcns_notifier(struct ipc_namespace *);
extern int ipcns_notify(unsigned long);
-
#else /* CONFIG_SYSVIPC */
-#define INIT_IPC_NS(ns)
+static inline int register_ipcns_notifier(struct ipc_namespace *ns)
+{ return 0; }
+static inline int cond_register_ipcns_notifier(struct ipc_namespace *ns)
+{ return 0; }
+static inline void unregister_ipcns_notifier(struct ipc_namespace *ns) { }
+static inline int ipcns_notify(unsigned long l) { return 0; }
#endif /* CONFIG_SYSVIPC */
-#if defined(CONFIG_SYSVIPC) && defined(CONFIG_IPC_NS)
-extern void free_ipc_ns(struct kref *kref);
+#ifdef CONFIG_POSIX_MQUEUE
+extern int mq_init_ns(struct ipc_namespace *ns);
+/* default values */
+#define DFLT_QUEUESMAX 256 /* max number of message queues */
+#define DFLT_MSGMAX 10 /* max number of messages in each queue */
+#define HARD_MSGMAX (131072/sizeof(void *))
+#define DFLT_MSGSIZEMAX 8192 /* max message size */
+#else
+static inline int mq_init_ns(struct ipc_namespace *ns) { return 0; }
+#endif
+
+#if defined(CONFIG_IPC_NS)
+extern void free_ipc_ns(struct ipc_namespace *ns);
extern struct ipc_namespace *copy_ipcs(unsigned long flags,
struct ipc_namespace *ns);
extern void free_ipcs(struct ipc_namespace *ns, struct ipc_ids *ids,
@@ -72,14 +104,11 @@ extern void free_ipcs(struct ipc_namespace *ns, struct ipc_ids *ids,
static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
{
if (ns)
- kref_get(&ns->kref);
+ atomic_inc(&ns->count);
return ns;
}
-static inline void put_ipc_ns(struct ipc_namespace *ns)
-{
- kref_put(&ns->kref, free_ipc_ns);
-}
+extern void put_ipc_ns(struct ipc_namespace *ns);
#else
static inline struct ipc_namespace *copy_ipcs(unsigned long flags,
struct ipc_namespace *ns)
@@ -99,4 +128,18 @@ static inline void put_ipc_ns(struct ipc_namespace *ns)
{
}
#endif
+
+#ifdef CONFIG_POSIX_MQUEUE_SYSCTL
+
+struct ctl_table_header;
+extern struct ctl_table_header *mq_register_sysctl_table(void);
+
+#else /* CONFIG_POSIX_MQUEUE_SYSCTL */
+
+static inline struct ctl_table_header *mq_register_sysctl_table(void)
+{
+ return NULL;
+}
+
+#endif /* CONFIG_POSIX_MQUEUE_SYSCTL */
#endif
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 974890b3c52..ca507c9426b 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -22,6 +22,7 @@
#include <linux/irqnr.h>
#include <linux/errno.h>
#include <linux/topology.h>
+#include <linux/wait.h>
#include <asm/irq.h>
#include <asm/ptrace.h>
@@ -158,6 +159,8 @@ struct irq_2_iommu;
* @affinity: IRQ affinity on SMP
* @cpu: cpu index useful for balancing
* @pending_mask: pending rebalanced interrupts
+ * @threads_active: number of irqaction threads currently running
+ * @wait_for_threads: wait queue for sync_irq to wait for threaded handlers
* @dir: /proc/irq/ procfs entry
* @name: flow handler name for /proc/interrupts output
*/
@@ -189,6 +192,8 @@ struct irq_desc {
cpumask_var_t pending_mask;
#endif
#endif
+ atomic_t threads_active;
+ wait_queue_head_t wait_for_threads;
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *dir;
#endif
diff --git a/include/linux/irqreturn.h b/include/linux/irqreturn.h
index c5584ca5b8c..819acaaac3f 100644
--- a/include/linux/irqreturn.h
+++ b/include/linux/irqreturn.h
@@ -5,10 +5,12 @@
* enum irqreturn
* @IRQ_NONE interrupt was not from this device
* @IRQ_HANDLED interrupt was handled by this device
+ * @IRQ_WAKE_THREAD handler requests to wake the handler thread
*/
enum irqreturn {
IRQ_NONE,
IRQ_HANDLED,
+ IRQ_WAKE_THREAD,
};
typedef enum irqreturn irqreturn_t;
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 2ec6cc14a11..bcd9c07848b 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -94,12 +94,16 @@ struct kprobe {
/* Called after addr is executed, unless... */
kprobe_post_handler_t post_handler;
- /* ... called if executing addr causes a fault (eg. page fault).
- * Return 1 if it handled fault, otherwise kernel will see it. */
+ /*
+ * ... called if executing addr causes a fault (eg. page fault).
+ * Return 1 if it handled fault, otherwise kernel will see it.
+ */
kprobe_fault_handler_t fault_handler;
- /* ... called if breakpoint trap occurs in probe handler.
- * Return 1 if it handled break, otherwise kernel will see it. */
+ /*
+ * ... called if breakpoint trap occurs in probe handler.
+ * Return 1 if it handled break, otherwise kernel will see it.
+ */
kprobe_break_handler_t break_handler;
/* Saved opcode (which has been replaced with breakpoint) */
@@ -108,18 +112,28 @@ struct kprobe {
/* copy of the original instruction */
struct arch_specific_insn ainsn;
- /* Indicates various status flags. Protected by kprobe_mutex. */
+ /*
+ * Indicates various status flags.
+ * Protected by kprobe_mutex after this kprobe is registered.
+ */
u32 flags;
};
/* Kprobe status flags */
#define KPROBE_FLAG_GONE 1 /* breakpoint has already gone */
+#define KPROBE_FLAG_DISABLED 2 /* probe is temporarily disabled */
+/* Has this kprobe gone ? */
static inline int kprobe_gone(struct kprobe *p)
{
return p->flags & KPROBE_FLAG_GONE;
}
+/* Is this kprobe disabled ? */
+static inline int kprobe_disabled(struct kprobe *p)
+{
+ return p->flags & (KPROBE_FLAG_DISABLED | KPROBE_FLAG_GONE);
+}
/*
* Special probe type that uses setjmp-longjmp type tricks to resume
* execution at a specified entry with a matching prototype corresponding
@@ -279,6 +293,9 @@ void unregister_kretprobes(struct kretprobe **rps, int num);
void kprobe_flush_task(struct task_struct *tk);
void recycle_rp_inst(struct kretprobe_instance *ri, struct hlist_head *head);
+int disable_kprobe(struct kprobe *kp);
+int enable_kprobe(struct kprobe *kp);
+
#else /* !CONFIG_KPROBES: */
static inline int kprobes_built_in(void)
@@ -345,5 +362,30 @@ static inline void unregister_kretprobes(struct kretprobe **rps, int num)
static inline void kprobe_flush_task(struct task_struct *tk)
{
}
+static inline int disable_kprobe(struct kprobe *kp)
+{
+ return -ENOSYS;
+}
+static inline int enable_kprobe(struct kprobe *kp)
+{
+ return -ENOSYS;
+}
#endif /* CONFIG_KPROBES */
+static inline int disable_kretprobe(struct kretprobe *rp)
+{
+ return disable_kprobe(&rp->kp);
+}
+static inline int enable_kretprobe(struct kretprobe *rp)
+{
+ return enable_kprobe(&rp->kp);
+}
+static inline int disable_jprobe(struct jprobe *jp)
+{
+ return disable_kprobe(&jp->kp);
+}
+static inline int enable_jprobe(struct jprobe *jp)
+{
+ return enable_kprobe(&jp->kp);
+}
+
#endif /* _LINUX_KPROBES_H */
diff --git a/include/linux/mg_disk.h b/include/linux/mg_disk.h
new file mode 100644
index 00000000000..1f76b1ebf62
--- /dev/null
+++ b/include/linux/mg_disk.h
@@ -0,0 +1,206 @@
+/*
+ * include/linux/mg_disk.c
+ *
+ * Support for the mGine m[g]flash IO mode.
+ * Based on legacy hd.c
+ *
+ * (c) 2008 mGine Co.,LTD
+ * (c) 2008 unsik Kim <donari75@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __MG_DISK_H__
+#define __MG_DISK_H__
+
+#include <linux/blkdev.h>
+#include <linux/ata.h>
+
+/* name for block device */
+#define MG_DISK_NAME "mgd"
+/* name for platform device */
+#define MG_DEV_NAME "mg_disk"
+
+#define MG_DISK_MAJ 0
+#define MG_DISK_MAX_PART 16
+#define MG_SECTOR_SIZE 512
+#define MG_MAX_SECTS 256
+
+/* Register offsets */
+#define MG_BUFF_OFFSET 0x8000
+#define MG_STORAGE_BUFFER_SIZE 0x200
+#define MG_REG_OFFSET 0xC000
+#define MG_REG_FEATURE (MG_REG_OFFSET + 2) /* write case */
+#define MG_REG_ERROR (MG_REG_OFFSET + 2) /* read case */
+#define MG_REG_SECT_CNT (MG_REG_OFFSET + 4)
+#define MG_REG_SECT_NUM (MG_REG_OFFSET + 6)
+#define MG_REG_CYL_LOW (MG_REG_OFFSET + 8)
+#define MG_REG_CYL_HIGH (MG_REG_OFFSET + 0xA)
+#define MG_REG_DRV_HEAD (MG_REG_OFFSET + 0xC)
+#define MG_REG_COMMAND (MG_REG_OFFSET + 0xE) /* write case */
+#define MG_REG_STATUS (MG_REG_OFFSET + 0xE) /* read case */
+#define MG_REG_DRV_CTRL (MG_REG_OFFSET + 0x10)
+#define MG_REG_BURST_CTRL (MG_REG_OFFSET + 0x12)
+
+/* "Drive Select/Head Register" bit values */
+#define MG_REG_HEAD_MUST_BE_ON 0xA0 /* These 2 bits are always on */
+#define MG_REG_HEAD_DRIVE_MASTER (0x00 | MG_REG_HEAD_MUST_BE_ON)
+#define MG_REG_HEAD_DRIVE_SLAVE (0x10 | MG_REG_HEAD_MUST_BE_ON)
+#define MG_REG_HEAD_LBA_MODE (0x40 | MG_REG_HEAD_MUST_BE_ON)
+
+
+/* "Device Control Register" bit values */
+#define MG_REG_CTRL_INTR_ENABLE 0x0
+#define MG_REG_CTRL_INTR_DISABLE (0x1<<1)
+#define MG_REG_CTRL_RESET (0x1<<2)
+#define MG_REG_CTRL_INTR_POLA_ACTIVE_HIGH 0x0
+#define MG_REG_CTRL_INTR_POLA_ACTIVE_LOW (0x1<<4)
+#define MG_REG_CTRL_DPD_POLA_ACTIVE_LOW 0x0
+#define MG_REG_CTRL_DPD_POLA_ACTIVE_HIGH (0x1<<5)
+#define MG_REG_CTRL_DPD_DISABLE 0x0
+#define MG_REG_CTRL_DPD_ENABLE (0x1<<6)
+
+/* Status register bit */
+/* error bit in status register */
+#define MG_REG_STATUS_BIT_ERROR 0x01
+/* corrected error in status register */
+#define MG_REG_STATUS_BIT_CORRECTED_ERROR 0x04
+/* data request bit in status register */
+#define MG_REG_STATUS_BIT_DATA_REQ 0x08
+/* DSC - Drive Seek Complete */
+#define MG_REG_STATUS_BIT_SEEK_DONE 0x10
+/* DWF - Drive Write Fault */
+#define MG_REG_STATUS_BIT_WRITE_FAULT 0x20
+#define MG_REG_STATUS_BIT_READY 0x40
+#define MG_REG_STATUS_BIT_BUSY 0x80
+
+/* handy status */
+#define MG_STAT_READY (MG_REG_STATUS_BIT_READY | MG_REG_STATUS_BIT_SEEK_DONE)
+#define MG_READY_OK(s) (((s) & (MG_STAT_READY | \
+ (MG_REG_STATUS_BIT_BUSY | \
+ MG_REG_STATUS_BIT_WRITE_FAULT | \
+ MG_REG_STATUS_BIT_ERROR))) == MG_STAT_READY)
+
+/* Error register */
+#define MG_REG_ERR_AMNF 0x01
+#define MG_REG_ERR_ABRT 0x04
+#define MG_REG_ERR_IDNF 0x10
+#define MG_REG_ERR_UNC 0x40
+#define MG_REG_ERR_BBK 0x80
+
+/* error code for others */
+#define MG_ERR_NONE 0
+#define MG_ERR_TIMEOUT 0x100
+#define MG_ERR_INIT_STAT 0x101
+#define MG_ERR_TRANSLATION 0x102
+#define MG_ERR_CTRL_RST 0x103
+#define MG_ERR_INV_STAT 0x104
+#define MG_ERR_RSTOUT 0x105
+
+#define MG_MAX_ERRORS 6 /* Max read/write errors */
+
+/* command */
+#define MG_CMD_RD 0x20
+#define MG_CMD_WR 0x30
+#define MG_CMD_SLEEP 0x99
+#define MG_CMD_WAKEUP 0xC3
+#define MG_CMD_ID 0xEC
+#define MG_CMD_WR_CONF 0x3C
+#define MG_CMD_RD_CONF 0x40
+
+/* operation mode */
+#define MG_OP_CASCADE (1 << 0)
+#define MG_OP_CASCADE_SYNC_RD (1 << 1)
+#define MG_OP_CASCADE_SYNC_WR (1 << 2)
+#define MG_OP_INTERLEAVE (1 << 3)
+
+/* synchronous */
+#define MG_BURST_LAT_4 (3 << 4)
+#define MG_BURST_LAT_5 (4 << 4)
+#define MG_BURST_LAT_6 (5 << 4)
+#define MG_BURST_LAT_7 (6 << 4)
+#define MG_BURST_LAT_8 (7 << 4)
+#define MG_BURST_LEN_4 (1 << 1)
+#define MG_BURST_LEN_8 (2 << 1)
+#define MG_BURST_LEN_16 (3 << 1)
+#define MG_BURST_LEN_32 (4 << 1)
+#define MG_BURST_LEN_CONT (0 << 1)
+
+/* timeout value (unit: ms) */
+#define MG_TMAX_CONF_TO_CMD 1
+#define MG_TMAX_WAIT_RD_DRQ 10
+#define MG_TMAX_WAIT_WR_DRQ 500
+#define MG_TMAX_RST_TO_BUSY 10
+#define MG_TMAX_HDRST_TO_RDY 500
+#define MG_TMAX_SWRST_TO_RDY 500
+#define MG_TMAX_RSTOUT 3000
+
+/* device attribution */
+/* use mflash as boot device */
+#define MG_BOOT_DEV (1 << 0)
+/* use mflash as storage device */
+#define MG_STORAGE_DEV (1 << 1)
+/* same as MG_STORAGE_DEV, but bootloader already done reset sequence */
+#define MG_STORAGE_DEV_SKIP_RST (1 << 2)
+
+#define MG_DEV_MASK (MG_BOOT_DEV | MG_STORAGE_DEV | MG_STORAGE_DEV_SKIP_RST)
+
+/* names of GPIO resource */
+#define MG_RST_PIN "mg_rst"
+/* except MG_BOOT_DEV, reset-out pin should be assigned */
+#define MG_RSTOUT_PIN "mg_rstout"
+
+/* private driver data */
+struct mg_drv_data {
+ /* disk resource */
+ u32 use_polling;
+
+ /* device attribution */
+ u32 dev_attr;
+
+ /* internally used */
+ struct mg_host *host;
+};
+
+/* main structure for mflash driver */
+struct mg_host {
+ struct device *dev;
+
+ struct request_queue *breq;
+ spinlock_t lock;
+ struct gendisk *gd;
+
+ struct timer_list timer;
+ void (*mg_do_intr) (struct mg_host *);
+
+ u16 id[ATA_ID_WORDS];
+
+ u16 cyls;
+ u16 heads;
+ u16 sectors;
+ u32 n_sectors;
+ u32 nres_sectors;
+
+ void __iomem *dev_base;
+ unsigned int irq;
+ unsigned int rst;
+ unsigned int rstout;
+
+ u32 major;
+ u32 error;
+};
+
+/*
+ * Debugging macro and defines
+ */
+#undef DO_MG_DEBUG
+#ifdef DO_MG_DEBUG
+# define MG_DBG(fmt, args...) \
+ printk(KERN_DEBUG "%s:%d "fmt, __func__, __LINE__, ##args)
+#else /* CONFIG_MG_DEBUG */
+# define MG_DBG(fmt, args...) do { } while (0)
+#endif /* CONFIG_MG_DEBUG */
+
+#endif
diff --git a/include/linux/nilfs2_fs.h b/include/linux/nilfs2_fs.h
new file mode 100644
index 00000000000..79fec6af3f9
--- /dev/null
+++ b/include/linux/nilfs2_fs.h
@@ -0,0 +1,801 @@
+/*
+ * nilfs2_fs.h - NILFS2 on-disk structures and common declarations.
+ *
+ * Copyright (C) 2005-2008 Nippon Telegraph and Telephone Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Written by Koji Sato <koji@osrg.net>
+ * Ryusuke Konishi <ryusuke@osrg.net>
+ */
+/*
+ * linux/include/linux/ext2_fs.h
+ *
+ * Copyright (C) 1992, 1993, 1994, 1995
+ * Remy Card (card@masi.ibp.fr)
+ * Laboratoire MASI - Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ * from
+ *
+ * linux/include/linux/minix_fs.h
+ *
+ * Copyright (C) 1991, 1992 Linus Torvalds
+ */
+
+#ifndef _LINUX_NILFS_FS_H
+#define _LINUX_NILFS_FS_H
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+/*
+ * Inode flags stored in nilfs_inode and on-memory nilfs inode
+ *
+ * We define these flags based on ext2-fs because of the
+ * compatibility reason; to avoid problems in chattr(1)
+ */
+#define NILFS_SECRM_FL 0x00000001 /* Secure deletion */
+#define NILFS_UNRM_FL 0x00000002 /* Undelete */
+#define NILFS_SYNC_FL 0x00000008 /* Synchronous updates */
+#define NILFS_IMMUTABLE_FL 0x00000010 /* Immutable file */
+#define NILFS_APPEND_FL 0x00000020 /* writes to file may only append */
+#define NILFS_NODUMP_FL 0x00000040 /* do not dump file */
+#define NILFS_NOATIME_FL 0x00000080 /* do not update atime */
+/* Reserved for compression usage... */
+#define NILFS_NOTAIL_FL 0x00008000 /* file tail should not be merged */
+#define NILFS_DIRSYNC_FL 0x00010000 /* dirsync behaviour */
+
+#define NILFS_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */
+#define NILFS_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */
+
+
+#define NILFS_INODE_BMAP_SIZE 7
+/**
+ * struct nilfs_inode - structure of an inode on disk
+ * @i_blocks: blocks count
+ * @i_size: size in bytes
+ * @i_ctime: creation time (seconds)
+ * @i_mtime: modification time (seconds)
+ * @i_ctime_nsec: creation time (nano seconds)
+ * @i_mtime_nsec: modification time (nano seconds)
+ * @i_uid: user id
+ * @i_gid: group id
+ * @i_mode: file mode
+ * @i_links_count: links count
+ * @i_flags: file flags
+ * @i_bmap: block mapping
+ * @i_xattr: extended attributes
+ * @i_generation: file generation (for NFS)
+ * @i_pad: padding
+ */
+struct nilfs_inode {
+ __le64 i_blocks;
+ __le64 i_size;
+ __le64 i_ctime;
+ __le64 i_mtime;
+ __le32 i_ctime_nsec;
+ __le32 i_mtime_nsec;
+ __le32 i_uid;
+ __le32 i_gid;
+ __le16 i_mode;
+ __le16 i_links_count;
+ __le32 i_flags;
+ __le64 i_bmap[NILFS_INODE_BMAP_SIZE];
+#define i_device_code i_bmap[0]
+ __le64 i_xattr;
+ __le32 i_generation;
+ __le32 i_pad;
+};
+
+/**
+ * struct nilfs_super_root - structure of super root
+ * @sr_sum: check sum
+ * @sr_bytes: byte count of the structure
+ * @sr_flags: flags (reserved)
+ * @sr_nongc_ctime: write time of the last segment not for cleaner operation
+ * @sr_dat: DAT file inode
+ * @sr_cpfile: checkpoint file inode
+ * @sr_sufile: segment usage file inode
+ */
+struct nilfs_super_root {
+ __le32 sr_sum;
+ __le16 sr_bytes;
+ __le16 sr_flags;
+ __le64 sr_nongc_ctime;
+ struct nilfs_inode sr_dat;
+ struct nilfs_inode sr_cpfile;
+ struct nilfs_inode sr_sufile;
+};
+
+#define NILFS_SR_MDT_OFFSET(inode_size, i) \
+ ((unsigned long)&((struct nilfs_super_root *)0)->sr_dat + \
+ (inode_size) * (i))
+#define NILFS_SR_DAT_OFFSET(inode_size) NILFS_SR_MDT_OFFSET(inode_size, 0)
+#define NILFS_SR_CPFILE_OFFSET(inode_size) NILFS_SR_MDT_OFFSET(inode_size, 1)
+#define NILFS_SR_SUFILE_OFFSET(inode_size) NILFS_SR_MDT_OFFSET(inode_size, 2)
+#define NILFS_SR_BYTES (sizeof(struct nilfs_super_root))
+
+/*
+ * Maximal mount counts
+ */
+#define NILFS_DFL_MAX_MNT_COUNT 50 /* 50 mounts */
+
+/*
+ * File system states (sbp->s_state, nilfs->ns_mount_state)
+ */
+#define NILFS_VALID_FS 0x0001 /* Unmounted cleanly */
+#define NILFS_ERROR_FS 0x0002 /* Errors detected */
+#define NILFS_RESIZE_FS 0x0004 /* Resize required */
+
+/*
+ * Mount flags (sbi->s_mount_opt)
+ */
+#define NILFS_MOUNT_ERROR_MODE 0x0070 /* Error mode mask */
+#define NILFS_MOUNT_ERRORS_CONT 0x0010 /* Continue on errors */
+#define NILFS_MOUNT_ERRORS_RO 0x0020 /* Remount fs ro on errors */
+#define NILFS_MOUNT_ERRORS_PANIC 0x0040 /* Panic on errors */
+#define NILFS_MOUNT_SNAPSHOT 0x0080 /* Snapshot flag */
+#define NILFS_MOUNT_BARRIER 0x1000 /* Use block barriers */
+#define NILFS_MOUNT_STRICT_ORDER 0x2000 /* Apply strict in-order
+ semantics also for data */
+
+
+/**
+ * struct nilfs_super_block - structure of super block on disk
+ */
+struct nilfs_super_block {
+ __le32 s_rev_level; /* Revision level */
+ __le16 s_minor_rev_level; /* minor revision level */
+ __le16 s_magic; /* Magic signature */
+
+ __le16 s_bytes; /* Bytes count of CRC calculation
+ for this structure. s_reserved
+ is excluded. */
+ __le16 s_flags; /* flags */
+ __le32 s_crc_seed; /* Seed value of CRC calculation */
+ __le32 s_sum; /* Check sum of super block */
+
+ __le32 s_log_block_size; /* Block size represented as follows
+ blocksize =
+ 1 << (s_log_block_size + 10) */
+ __le64 s_nsegments; /* Number of segments in filesystem */
+ __le64 s_dev_size; /* block device size in bytes */
+ __le64 s_first_data_block; /* 1st seg disk block number */
+ __le32 s_blocks_per_segment; /* number of blocks per full segment */
+ __le32 s_r_segments_percentage; /* Reserved segments percentage */
+
+ __le64 s_last_cno; /* Last checkpoint number */
+ __le64 s_last_pseg; /* disk block addr pseg written last */
+ __le64 s_last_seq; /* seq. number of seg written last */
+ __le64 s_free_blocks_count; /* Free blocks count */
+
+ __le64 s_ctime; /* Creation time (execution time of
+ newfs) */
+ __le64 s_mtime; /* Mount time */
+ __le64 s_wtime; /* Write time */
+ __le16 s_mnt_count; /* Mount count */
+ __le16 s_max_mnt_count; /* Maximal mount count */
+ __le16 s_state; /* File system state */
+ __le16 s_errors; /* Behaviour when detecting errors */
+ __le64 s_lastcheck; /* time of last check */
+
+ __le32 s_checkinterval; /* max. time between checks */
+ __le32 s_creator_os; /* OS */
+ __le16 s_def_resuid; /* Default uid for reserved blocks */
+ __le16 s_def_resgid; /* Default gid for reserved blocks */
+ __le32 s_first_ino; /* First non-reserved inode */
+
+ __le16 s_inode_size; /* Size of an inode */
+ __le16 s_dat_entry_size; /* Size of a dat entry */
+ __le16 s_checkpoint_size; /* Size of a checkpoint */
+ __le16 s_segment_usage_size; /* Size of a segment usage */
+
+ __u8 s_uuid[16]; /* 128-bit uuid for volume */
+ char s_volume_name[16]; /* volume name */
+ char s_last_mounted[64]; /* directory where last mounted */
+
+ __le32 s_c_interval; /* Commit interval of segment */
+ __le32 s_c_block_max; /* Threshold of data amount for
+ the segment construction */
+ __u32 s_reserved[192]; /* padding to the end of the block */
+};
+
+/*
+ * Codes for operating systems
+ */
+#define NILFS_OS_LINUX 0
+/* Codes from 1 to 4 are reserved to keep compatibility with ext2 creator-OS */
+
+/*
+ * Revision levels
+ */
+#define NILFS_CURRENT_REV 2 /* current major revision */
+#define NILFS_MINOR_REV 0 /* minor revision */
+
+/*
+ * Bytes count of super_block for CRC-calculation
+ */
+#define NILFS_SB_BYTES \
+ ((long)&((struct nilfs_super_block *)0)->s_reserved)
+
+/*
+ * Special inode number
+ */
+#define NILFS_ROOT_INO 2 /* Root file inode */
+#define NILFS_DAT_INO 3 /* DAT file */
+#define NILFS_CPFILE_INO 4 /* checkpoint file */
+#define NILFS_SUFILE_INO 5 /* segment usage file */
+#define NILFS_IFILE_INO 6 /* ifile */
+#define NILFS_ATIME_INO 7 /* Atime file (reserved) */
+#define NILFS_XATTR_INO 8 /* Xattribute file (reserved) */
+#define NILFS_SKETCH_INO 10 /* Sketch file */
+#define NILFS_USER_INO 11 /* Fisrt user's file inode number */
+
+#define NILFS_SB_OFFSET_BYTES 1024 /* byte offset of nilfs superblock */
+#define NILFS_SUPER_MAGIC 0x3434 /* NILFS filesystem magic number */
+
+#define NILFS_SEG_MIN_BLOCKS 16 /* Minimum number of blocks in
+ a full segment */
+#define NILFS_PSEG_MIN_BLOCKS 2 /* Minimum number of blocks in
+ a partial segment */
+#define NILFS_MIN_NRSVSEGS 8 /* Minimum number of reserved
+ segments */
+
+/*
+ * bytes offset of secondary super block
+ */
+#define NILFS_SB2_OFFSET_BYTES(devsize) ((((devsize) >> 12) - 1) << 12)
+
+/*
+ * Maximal count of links to a file
+ */
+#define NILFS_LINK_MAX 32000
+
+/*
+ * Structure of a directory entry
+ * (Same as ext2)
+ */
+
+#define NILFS_NAME_LEN 255
+
+/*
+ * The new version of the directory entry. Since V0 structures are
+ * stored in intel byte order, and the name_len field could never be
+ * bigger than 255 chars, it's safe to reclaim the extra byte for the
+ * file_type field.
+ */
+struct nilfs_dir_entry {
+ __le64 inode; /* Inode number */
+ __le16 rec_len; /* Directory entry length */
+ __u8 name_len; /* Name length */
+ __u8 file_type;
+ char name[NILFS_NAME_LEN]; /* File name */
+ char pad;
+};
+
+/*
+ * NILFS directory file types. Only the low 3 bits are used. The
+ * other bits are reserved for now.
+ */
+enum {
+ NILFS_FT_UNKNOWN,
+ NILFS_FT_REG_FILE,
+ NILFS_FT_DIR,
+ NILFS_FT_CHRDEV,
+ NILFS_FT_BLKDEV,
+ NILFS_FT_FIFO,
+ NILFS_FT_SOCK,
+ NILFS_FT_SYMLINK,
+ NILFS_FT_MAX
+};
+
+/*
+ * NILFS_DIR_PAD defines the directory entries boundaries
+ *
+ * NOTE: It must be a multiple of 8
+ */
+#define NILFS_DIR_PAD 8
+#define NILFS_DIR_ROUND (NILFS_DIR_PAD - 1)
+#define NILFS_DIR_REC_LEN(name_len) (((name_len) + 12 + NILFS_DIR_ROUND) & \
+ ~NILFS_DIR_ROUND)
+
+
+/**
+ * struct nilfs_finfo - file information
+ * @fi_ino: inode number
+ * @fi_cno: checkpoint number
+ * @fi_nblocks: number of blocks (including intermediate blocks)
+ * @fi_ndatablk: number of file data blocks
+ */
+struct nilfs_finfo {
+ __le64 fi_ino;
+ __le64 fi_cno;
+ __le32 fi_nblocks;
+ __le32 fi_ndatablk;
+ /* array of virtual block numbers */
+};
+
+/**
+ * struct nilfs_binfo_v - information for the block to which a virtual block number is assigned
+ * @bi_vblocknr: virtual block number
+ * @bi_blkoff: block offset
+ */
+struct nilfs_binfo_v {
+ __le64 bi_vblocknr;
+ __le64 bi_blkoff;
+};
+
+/**
+ * struct nilfs_binfo_dat - information for the block which belongs to the DAT file
+ * @bi_blkoff: block offset
+ * @bi_level: level
+ * @bi_pad: padding
+ */
+struct nilfs_binfo_dat {
+ __le64 bi_blkoff;
+ __u8 bi_level;
+ __u8 bi_pad[7];
+};
+
+/**
+ * union nilfs_binfo: block information
+ * @bi_v: nilfs_binfo_v structure
+ * @bi_dat: nilfs_binfo_dat structure
+ */
+union nilfs_binfo {
+ struct nilfs_binfo_v bi_v;
+ struct nilfs_binfo_dat bi_dat;
+};
+
+/**
+ * struct nilfs_segment_summary - segment summary
+ * @ss_datasum: checksum of data
+ * @ss_sumsum: checksum of segment summary
+ * @ss_magic: magic number
+ * @ss_bytes: size of this structure in bytes
+ * @ss_flags: flags
+ * @ss_seq: sequence number
+ * @ss_create: creation timestamp
+ * @ss_next: next segment
+ * @ss_nblocks: number of blocks
+ * @ss_nfinfo: number of finfo structures
+ * @ss_sumbytes: total size of segment summary in bytes
+ * @ss_pad: padding
+ */
+struct nilfs_segment_summary {
+ __le32 ss_datasum;
+ __le32 ss_sumsum;
+ __le32 ss_magic;
+ __le16 ss_bytes;
+ __le16 ss_flags;
+ __le64 ss_seq;
+ __le64 ss_create;
+ __le64 ss_next;
+ __le32 ss_nblocks;
+ __le32 ss_nfinfo;
+ __le32 ss_sumbytes;
+ __le32 ss_pad;
+ /* array of finfo structures */
+};
+
+#define NILFS_SEGSUM_MAGIC 0x1eaffa11 /* segment summary magic number */
+
+/*
+ * Segment summary flags
+ */
+#define NILFS_SS_LOGBGN 0x0001 /* begins a logical segment */
+#define NILFS_SS_LOGEND 0x0002 /* ends a logical segment */
+#define NILFS_SS_SR 0x0004 /* has super root */
+#define NILFS_SS_SYNDT 0x0008 /* includes data only updates */
+#define NILFS_SS_GC 0x0010 /* segment written for cleaner operation */
+
+/**
+ * struct nilfs_palloc_group_desc - block group descriptor
+ * @pg_nfrees: number of free entries in block group
+ */
+struct nilfs_palloc_group_desc {
+ __le32 pg_nfrees;
+};
+
+/**
+ * struct nilfs_dat_entry - disk address translation entry
+ * @dt_blocknr: block number
+ * @dt_start: start checkpoint number
+ * @dt_end: end checkpoint number
+ * @dt_rsv: reserved for future use
+ */
+struct nilfs_dat_entry {
+ __le64 de_blocknr;
+ __le64 de_start;
+ __le64 de_end;
+ __le64 de_rsv;
+};
+
+/**
+ * struct nilfs_dat_group_desc - block group descriptor
+ * @dg_nfrees: number of free virtual block numbers in block group
+ */
+struct nilfs_dat_group_desc {
+ __le32 dg_nfrees;
+};
+
+
+/**
+ * struct nilfs_snapshot_list - snapshot list
+ * @ssl_next: next checkpoint number on snapshot list
+ * @ssl_prev: previous checkpoint number on snapshot list
+ */
+struct nilfs_snapshot_list {
+ __le64 ssl_next;
+ __le64 ssl_prev;
+};
+
+/**
+ * struct nilfs_checkpoint - checkpoint structure
+ * @cp_flags: flags
+ * @cp_checkpoints_count: checkpoints count in a block
+ * @cp_snapshot_list: snapshot list
+ * @cp_cno: checkpoint number
+ * @cp_create: creation timestamp
+ * @cp_nblk_inc: number of blocks incremented by this checkpoint
+ * @cp_inodes_count: inodes count
+ * @cp_blocks_count: blocks count
+ * @cp_ifile_inode: inode of ifile
+ */
+struct nilfs_checkpoint {
+ __le32 cp_flags;
+ __le32 cp_checkpoints_count;
+ struct nilfs_snapshot_list cp_snapshot_list;
+ __le64 cp_cno;
+ __le64 cp_create;
+ __le64 cp_nblk_inc;
+ __le64 cp_inodes_count;
+ __le64 cp_blocks_count; /* Reserved (might be deleted) */
+
+ /* Do not change the byte offset of ifile inode.
+ To keep the compatibility of the disk format,
+ additional fields should be added behind cp_ifile_inode. */
+ struct nilfs_inode cp_ifile_inode;
+};
+
+/* checkpoint flags */
+enum {
+ NILFS_CHECKPOINT_SNAPSHOT,
+ NILFS_CHECKPOINT_INVALID,
+ NILFS_CHECKPOINT_SKETCH,
+ NILFS_CHECKPOINT_MINOR,
+};
+
+#define NILFS_CHECKPOINT_FNS(flag, name) \
+static inline void \
+nilfs_checkpoint_set_##name(struct nilfs_checkpoint *cp) \
+{ \
+ cp->cp_flags = cpu_to_le32(le32_to_cpu(cp->cp_flags) | \
+ (1UL << NILFS_CHECKPOINT_##flag)); \
+} \
+static inline void \
+nilfs_checkpoint_clear_##name(struct nilfs_checkpoint *cp) \
+{ \
+ cp->cp_flags = cpu_to_le32(le32_to_cpu(cp->cp_flags) & \
+ ~(1UL << NILFS_CHECKPOINT_##flag)); \
+} \
+static inline int \
+nilfs_checkpoint_##name(const struct nilfs_checkpoint *cp) \
+{ \
+ return !!(le32_to_cpu(cp->cp_flags) & \
+ (1UL << NILFS_CHECKPOINT_##flag)); \
+}
+
+NILFS_CHECKPOINT_FNS(SNAPSHOT, snapshot)
+NILFS_CHECKPOINT_FNS(INVALID, invalid)
+NILFS_CHECKPOINT_FNS(MINOR, minor)
+
+/**
+ * struct nilfs_cpinfo - checkpoint information
+ * @ci_flags: flags
+ * @ci_pad: padding
+ * @ci_cno: checkpoint number
+ * @ci_create: creation timestamp
+ * @ci_nblk_inc: number of blocks incremented by this checkpoint
+ * @ci_inodes_count: inodes count
+ * @ci_blocks_count: blocks count
+ * @ci_next: next checkpoint number in snapshot list
+ */
+struct nilfs_cpinfo {
+ __u32 ci_flags;
+ __u32 ci_pad;
+ __u64 ci_cno;
+ __u64 ci_create;
+ __u64 ci_nblk_inc;
+ __u64 ci_inodes_count;
+ __u64 ci_blocks_count;
+ __u64 ci_next;
+};
+
+#define NILFS_CPINFO_FNS(flag, name) \
+static inline int \
+nilfs_cpinfo_##name(const struct nilfs_cpinfo *cpinfo) \
+{ \
+ return !!(cpinfo->ci_flags & (1UL << NILFS_CHECKPOINT_##flag)); \
+}
+
+NILFS_CPINFO_FNS(SNAPSHOT, snapshot)
+NILFS_CPINFO_FNS(INVALID, invalid)
+NILFS_CPINFO_FNS(MINOR, minor)
+
+
+/**
+ * struct nilfs_cpfile_header - checkpoint file header
+ * @ch_ncheckpoints: number of checkpoints
+ * @ch_nsnapshots: number of snapshots
+ * @ch_snapshot_list: snapshot list
+ */
+struct nilfs_cpfile_header {
+ __le64 ch_ncheckpoints;
+ __le64 ch_nsnapshots;
+ struct nilfs_snapshot_list ch_snapshot_list;
+};
+
+#define NILFS_CPFILE_FIRST_CHECKPOINT_OFFSET \
+ ((sizeof(struct nilfs_cpfile_header) + \
+ sizeof(struct nilfs_checkpoint) - 1) / \
+ sizeof(struct nilfs_checkpoint))
+
+/**
+ * struct nilfs_segment_usage - segment usage
+ * @su_lastmod: last modified timestamp
+ * @su_nblocks: number of blocks in segment
+ * @su_flags: flags
+ */
+struct nilfs_segment_usage {
+ __le64 su_lastmod;
+ __le32 su_nblocks;
+ __le32 su_flags;
+};
+
+/* segment usage flag */
+enum {
+ NILFS_SEGMENT_USAGE_ACTIVE,
+ NILFS_SEGMENT_USAGE_DIRTY,
+ NILFS_SEGMENT_USAGE_ERROR,
+
+ /* ... */
+};
+
+#define NILFS_SEGMENT_USAGE_FNS(flag, name) \
+static inline void \
+nilfs_segment_usage_set_##name(struct nilfs_segment_usage *su) \
+{ \
+ su->su_flags = cpu_to_le32(le32_to_cpu(su->su_flags) | \
+ (1UL << NILFS_SEGMENT_USAGE_##flag));\
+} \
+static inline void \
+nilfs_segment_usage_clear_##name(struct nilfs_segment_usage *su) \
+{ \
+ su->su_flags = \
+ cpu_to_le32(le32_to_cpu(su->su_flags) & \
+ ~(1UL << NILFS_SEGMENT_USAGE_##flag)); \
+} \
+static inline int \
+nilfs_segment_usage_##name(const struct nilfs_segment_usage *su) \
+{ \
+ return !!(le32_to_cpu(su->su_flags) & \
+ (1UL << NILFS_SEGMENT_USAGE_##flag)); \
+}
+
+NILFS_SEGMENT_USAGE_FNS(ACTIVE, active)
+NILFS_SEGMENT_USAGE_FNS(DIRTY, dirty)
+NILFS_SEGMENT_USAGE_FNS(ERROR, error)
+
+static inline void
+nilfs_segment_usage_set_clean(struct nilfs_segment_usage *su)
+{
+ su->su_lastmod = cpu_to_le64(0);
+ su->su_nblocks = cpu_to_le32(0);
+ su->su_flags = cpu_to_le32(0);
+}
+
+static inline int
+nilfs_segment_usage_clean(const struct nilfs_segment_usage *su)
+{
+ return !le32_to_cpu(su->su_flags);
+}
+
+/**
+ * struct nilfs_sufile_header - segment usage file header
+ * @sh_ncleansegs: number of clean segments
+ * @sh_ndirtysegs: number of dirty segments
+ * @sh_last_alloc: last allocated segment number
+ */
+struct nilfs_sufile_header {
+ __le64 sh_ncleansegs;
+ __le64 sh_ndirtysegs;
+ __le64 sh_last_alloc;
+ /* ... */
+};
+
+#define NILFS_SUFILE_FIRST_SEGMENT_USAGE_OFFSET \
+ ((sizeof(struct nilfs_sufile_header) + \
+ sizeof(struct nilfs_segment_usage) - 1) / \
+ sizeof(struct nilfs_segment_usage))
+
+/**
+ * nilfs_suinfo - segment usage information
+ * @sui_lastmod:
+ * @sui_nblocks:
+ * @sui_flags:
+ */
+struct nilfs_suinfo {
+ __u64 sui_lastmod;
+ __u32 sui_nblocks;
+ __u32 sui_flags;
+};
+
+#define NILFS_SUINFO_FNS(flag, name) \
+static inline int \
+nilfs_suinfo_##name(const struct nilfs_suinfo *si) \
+{ \
+ return si->sui_flags & (1UL << NILFS_SEGMENT_USAGE_##flag); \
+}
+
+NILFS_SUINFO_FNS(ACTIVE, active)
+NILFS_SUINFO_FNS(DIRTY, dirty)
+NILFS_SUINFO_FNS(ERROR, error)
+
+static inline int nilfs_suinfo_clean(const struct nilfs_suinfo *si)
+{
+ return !si->sui_flags;
+}
+
+/* ioctl */
+enum {
+ NILFS_CHECKPOINT,
+ NILFS_SNAPSHOT,
+};
+
+/**
+ * struct nilfs_cpmode -
+ * @cc_cno:
+ * @cc_mode:
+ */
+struct nilfs_cpmode {
+ __u64 cm_cno;
+ __u32 cm_mode;
+ __u32 cm_pad;
+};
+
+/**
+ * struct nilfs_argv - argument vector
+ * @v_base:
+ * @v_nmembs:
+ * @v_size:
+ * @v_flags:
+ * @v_index:
+ */
+struct nilfs_argv {
+ __u64 v_base;
+ __u32 v_nmembs; /* number of members */
+ __u16 v_size; /* size of members */
+ __u16 v_flags;
+ __u64 v_index;
+};
+
+/**
+ * struct nilfs_period -
+ * @p_start:
+ * @p_end:
+ */
+struct nilfs_period {
+ __u64 p_start;
+ __u64 p_end;
+};
+
+/**
+ * struct nilfs_cpstat -
+ * @cs_cno: checkpoint number
+ * @cs_ncps: number of checkpoints
+ * @cs_nsss: number of snapshots
+ */
+struct nilfs_cpstat {
+ __u64 cs_cno;
+ __u64 cs_ncps;
+ __u64 cs_nsss;
+};
+
+/**
+ * struct nilfs_sustat -
+ * @ss_nsegs: number of segments
+ * @ss_ncleansegs: number of clean segments
+ * @ss_ndirtysegs: number of dirty segments
+ * @ss_ctime: creation time of the last segment
+ * @ss_nongc_ctime: creation time of the last segment not for GC
+ * @ss_prot_seq: least sequence number of segments which must not be reclaimed
+ */
+struct nilfs_sustat {
+ __u64 ss_nsegs;
+ __u64 ss_ncleansegs;
+ __u64 ss_ndirtysegs;
+ __u64 ss_ctime;
+ __u64 ss_nongc_ctime;
+ __u64 ss_prot_seq;
+};
+
+/**
+ * struct nilfs_vinfo - virtual block number information
+ * @vi_vblocknr:
+ * @vi_start:
+ * @vi_end:
+ * @vi_blocknr:
+ */
+struct nilfs_vinfo {
+ __u64 vi_vblocknr;
+ __u64 vi_start;
+ __u64 vi_end;
+ __u64 vi_blocknr;
+};
+
+/**
+ * struct nilfs_vdesc -
+ */
+struct nilfs_vdesc {
+ __u64 vd_ino;
+ __u64 vd_cno;
+ __u64 vd_vblocknr;
+ struct nilfs_period vd_period;
+ __u64 vd_blocknr;
+ __u64 vd_offset;
+ __u32 vd_flags;
+ __u32 vd_pad;
+};
+
+/**
+ * struct nilfs_bdesc -
+ */
+struct nilfs_bdesc {
+ __u64 bd_ino;
+ __u64 bd_oblocknr;
+ __u64 bd_blocknr;
+ __u64 bd_offset;
+ __u32 bd_level;
+ __u32 bd_pad;
+};
+
+#define NILFS_IOCTL_IDENT 'n'
+
+#define NILFS_IOCTL_CHANGE_CPMODE \
+ _IOW(NILFS_IOCTL_IDENT, 0x80, struct nilfs_cpmode)
+#define NILFS_IOCTL_DELETE_CHECKPOINT \
+ _IOW(NILFS_IOCTL_IDENT, 0x81, __u64)
+#define NILFS_IOCTL_GET_CPINFO \
+ _IOR(NILFS_IOCTL_IDENT, 0x82, struct nilfs_argv)
+#define NILFS_IOCTL_GET_CPSTAT \
+ _IOR(NILFS_IOCTL_IDENT, 0x83, struct nilfs_cpstat)
+#define NILFS_IOCTL_GET_SUINFO \
+ _IOR(NILFS_IOCTL_IDENT, 0x84, struct nilfs_argv)
+#define NILFS_IOCTL_GET_SUSTAT \
+ _IOR(NILFS_IOCTL_IDENT, 0x85, struct nilfs_sustat)
+#define NILFS_IOCTL_GET_VINFO \
+ _IOWR(NILFS_IOCTL_IDENT, 0x86, struct nilfs_argv)
+#define NILFS_IOCTL_GET_BDESCS \
+ _IOWR(NILFS_IOCTL_IDENT, 0x87, struct nilfs_argv)
+#define NILFS_IOCTL_CLEAN_SEGMENTS \
+ _IOW(NILFS_IOCTL_IDENT, 0x88, struct nilfs_argv[5])
+#define NILFS_IOCTL_SYNC \
+ _IOR(NILFS_IOCTL_IDENT, 0x8A, __u64)
+#define NILFS_IOCTL_RESIZE \
+ _IOW(NILFS_IOCTL_IDENT, 0x8B, __u64)
+
+#endif /* _LINUX_NILFS_FS_H */
diff --git a/include/linux/parport_pc.h b/include/linux/parport_pc.h
index ea8c6d84996..cc1767f5cca 100644
--- a/include/linux/parport_pc.h
+++ b/include/linux/parport_pc.h
@@ -228,10 +228,11 @@ extern void parport_pc_release_resources(struct parport *p);
extern int parport_pc_claim_resources(struct parport *p);
/* PCMCIA code will want to get us to look at a port. Provide a mechanism. */
-extern struct parport *parport_pc_probe_port (unsigned long base,
- unsigned long base_hi,
- int irq, int dma,
- struct device *dev);
-extern void parport_pc_unregister_port (struct parport *p);
+extern struct parport *parport_pc_probe_port(unsigned long base,
+ unsigned long base_hi,
+ int irq, int dma,
+ struct device *dev,
+ int irqflags);
+extern void parport_pc_unregister_port(struct parport *p);
#endif
diff --git a/include/linux/pci.h b/include/linux/pci.h
index a7fe4bbd7ff..72698d89e76 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -674,6 +674,11 @@ int __must_check pci_reenable_device(struct pci_dev *);
int __must_check pcim_enable_device(struct pci_dev *pdev);
void pcim_pin_device(struct pci_dev *pdev);
+static inline int pci_is_enabled(struct pci_dev *pdev)
+{
+ return (atomic_read(&pdev->enable_cnt) > 0);
+}
+
static inline int pci_is_managed(struct pci_dev *pdev)
{
return pdev->is_managed;
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 7ed41f7c5ac..8a8b8439081 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -302,17 +302,11 @@ extern int proc_dosoftlockup_thresh(struct ctl_table *table, int write,
struct file *filp, void __user *buffer,
size_t *lenp, loff_t *ppos);
extern unsigned int softlockup_panic;
-extern unsigned long sysctl_hung_task_check_count;
-extern unsigned long sysctl_hung_task_timeout_secs;
-extern unsigned long sysctl_hung_task_warnings;
extern int softlockup_thresh;
#else
static inline void softlockup_tick(void)
{
}
-static inline void spawn_softlockup_task(void)
-{
-}
static inline void touch_softlockup_watchdog(void)
{
}
@@ -321,6 +315,15 @@ static inline void touch_all_softlockup_watchdogs(void)
}
#endif
+#ifdef CONFIG_DETECT_HUNG_TASK
+extern unsigned int sysctl_hung_task_panic;
+extern unsigned long sysctl_hung_task_check_count;
+extern unsigned long sysctl_hung_task_timeout_secs;
+extern unsigned long sysctl_hung_task_warnings;
+extern int proc_dohung_task_timeout_secs(struct ctl_table *table, int write,
+ struct file *filp, void __user *buffer,
+ size_t *lenp, loff_t *ppos);
+#endif
/* Attach to any functions which should be ignored in wchan output. */
#define __sched __attribute__((__section__(".sched.text")))
@@ -1258,9 +1261,8 @@ struct task_struct {
/* ipc stuff */
struct sysv_sem sysvsem;
#endif
-#ifdef CONFIG_DETECT_SOFTLOCKUP
+#ifdef CONFIG_DETECT_HUNG_TASK
/* hung task detection */
- unsigned long last_switch_timestamp;
unsigned long last_switch_count;
#endif
/* CPU-specific state of this task */
@@ -1297,6 +1299,11 @@ struct task_struct {
/* Protection of (de-)allocation: mm, files, fs, tty, keyrings */
spinlock_t alloc_lock;
+#ifdef CONFIG_GENERIC_HARDIRQS
+ /* IRQ handler threads */
+ struct irqaction *irqaction;
+#endif
+
/* Protection of the PI data structures: */
spinlock_t pi_lock;
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 83e4b3ff9cd..57a97e52e58 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -164,6 +164,9 @@
/* NWPSERIAL */
#define PORT_NWPSERIAL 85
+/* MAX3100 */
+#define PORT_MAX3100 86
+
#ifdef __KERNEL__
#include <linux/compiler.h>
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 68bb1c501d0..2cc43fa380c 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -204,6 +204,7 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
* SPI slaves, and are numbered from zero to num_chipselects.
* each slave has a chipselect signal, but it's common that not
* every chipselect is connected to a slave.
+ * @dma_alignment: SPI controller constraint on DMA buffers alignment.
* @setup: updates the device mode and clocking records used by a
* device's SPI controller; protocol code may call this. This
* must fail if an unrecognized or unsupported mode is requested.
@@ -239,6 +240,11 @@ struct spi_master {
*/
u16 num_chipselect;
+ /* some SPI controllers pose alignment requirements on DMAable
+ * buffers; let protocol drivers know about these requirements.
+ */
+ u16 dma_alignment;
+
/* setup mode and clock, etc (spi driver may call many times) */
int (*setup)(struct spi_device *spi);
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index 8615d661ab6..bcba84ea2d8 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -309,7 +309,8 @@ extern void tty_set_operations(struct tty_driver *driver,
extern struct tty_driver *tty_find_polling_driver(char *name, int *line);
extern void tty_driver_kref_put(struct tty_driver *driver);
-extern inline struct tty_driver *tty_driver_kref_get(struct tty_driver *d)
+
+static inline struct tty_driver *tty_driver_kref_get(struct tty_driver *d)
{
kref_get(&d->kref);
return d;
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 139d234923c..ebb2ea6b499 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -737,6 +737,11 @@ struct v4l2_input {
#define V4L2_IN_ST_NO_SIGNAL 0x00000002
#define V4L2_IN_ST_NO_COLOR 0x00000004
+/* field 'status' - sensor orientation */
+/* If sensor is mounted upside down set both bits */
+#define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
+#define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
+
/* field 'status' - analog */
#define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
#define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 93445477f86..9c1ed1fb6dd 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -168,6 +168,8 @@ void writeback_set_ratelimit(void);
/* pdflush.c */
extern int nr_pdflush_threads; /* Global so it can be exported to sysctl
read-only. */
+extern int nr_pdflush_threads_max; /* Global so it can be exported to sysctl */
+extern int nr_pdflush_threads_min; /* Global so it can be exported to sysctl */
#endif /* WRITEBACK_H */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-23 12:41:02 +0000