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-rw-r--r--include/linux/amba/pl08x.h30
-rw-r--r--include/linux/amba/pl330.h6
-rw-r--r--include/linux/backing-dev.h14
-rw-r--r--include/linux/bcma/bcma.h7
-rw-r--r--include/linux/bio.h8
-rw-r--r--include/linux/blk_types.h11
-rw-r--r--include/linux/blkdev.h42
-rw-r--r--include/linux/cpu.h4
-rw-r--r--include/linux/cpuidle.h55
-rw-r--r--include/linux/crypto.h6
-rw-r--r--include/linux/devfreq.h2
-rw-r--r--include/linux/device.h15
-rw-r--r--include/linux/device_cgroup.h1
-rw-r--r--include/linux/dma-mapping.h3
-rw-r--r--include/linux/dmaengine.h15
-rw-r--r--include/linux/elevator.h6
-rw-r--r--include/linux/ethtool.h2
-rw-r--r--include/linux/export.h89
-rw-r--r--include/linux/firmware.h2
-rw-r--r--include/linux/freezer.h11
-rw-r--r--include/linux/ftrace.h2
-rw-r--r--include/linux/gameport.h17
-rw-r--r--include/linux/genhd.h6
-rw-r--r--include/linux/hid.h9
-rw-r--r--include/linux/hwspinlock.h1
-rw-r--r--include/linux/i2c.h10
-rw-r--r--include/linux/ipmi.h3
-rw-r--r--include/linux/ipmi_smi.h1
-rw-r--r--include/linux/irq.h32
-rw-r--r--include/linux/irqdesc.h1
-rw-r--r--include/linux/jump_label.h23
-rw-r--r--include/linux/kernel.h1
-rw-r--r--include/linux/loop.h2
-rw-r--r--include/linux/mdio-bitbang.h3
-rw-r--r--include/linux/miscdevice.h3
-rw-r--r--include/linux/module.h73
-rw-r--r--include/linux/moduleparam.h5
-rw-r--r--include/linux/mtd/bbm.h39
-rw-r--r--include/linux/mtd/mtd.h85
-rw-r--r--include/linux/mtd/nand.h92
-rw-r--r--include/linux/mtd/onenand.h4
-rw-r--r--include/linux/mtd/partitions.h46
-rw-r--r--include/linux/mtd/physmap.h17
-rw-r--r--include/linux/nfs_fs.h1
-rw-r--r--include/linux/of.h11
-rw-r--r--include/linux/of_platform.h1
-rw-r--r--include/linux/opp.h4
-rw-r--r--include/linux/pci_hotplug.h10
-rw-r--r--include/linux/pci_ids.h2
-rw-r--r--include/linux/pm_runtime.h1
-rw-r--r--include/linux/regmap.h2
-rw-r--r--include/linux/regulator/driver.h1
-rw-r--r--include/linux/sched.h7
-rw-r--r--include/linux/serial_sci.h2
-rw-r--r--include/linux/serio.h20
-rw-r--r--include/linux/sh_clk.h4
-rw-r--r--include/linux/ssb/ssb.h7
-rw-r--r--include/linux/stop_machine.h1
-rw-r--r--include/linux/sunrpc/clnt.h2
-rw-r--r--include/linux/sunrpc/svc.h1
-rw-r--r--include/linux/sunrpc/svc_xprt.h3
-rw-r--r--include/linux/sysdev.h1
-rw-r--r--include/linux/textsearch.h3
-rw-r--r--include/linux/topology.h4
-rw-r--r--include/linux/uio_driver.h12
-rw-r--r--include/linux/usb.h9
-rw-r--r--include/linux/uwb.h1
-rw-r--r--include/linux/uwb/umc.h7
-rw-r--r--include/linux/vermagic.h1
-rw-r--r--include/linux/videodev2.h27
-rw-r--r--include/linux/vlynq.h3
-rw-r--r--include/linux/writeback.h33
72 files changed, 543 insertions, 442 deletions
diff --git a/include/linux/amba/pl08x.h b/include/linux/amba/pl08x.h
index e6e28f37d8ec..9eabffbc4e50 100644
--- a/include/linux/amba/pl08x.h
+++ b/include/linux/amba/pl08x.h
@@ -47,6 +47,9 @@ enum {
* @muxval: a number usually used to poke into some mux regiser to
* mux in the signal to this channel
* @cctl_opt: default options for the channel control register
+ * @device_fc: Flow Controller Settings for ccfg register. Only valid for slave
+ * channels. Fill with 'true' if peripheral should be flow controller. Direction
+ * will be selected at Runtime.
* @addr: source/target address in physical memory for this DMA channel,
* can be the address of a FIFO register for burst requests for example.
* This can be left undefined if the PrimeCell API is used for configuring
@@ -65,6 +68,7 @@ struct pl08x_channel_data {
int max_signal;
u32 muxval;
u32 cctl;
+ bool device_fc;
dma_addr_t addr;
bool circular_buffer;
bool single;
@@ -77,13 +81,11 @@ struct pl08x_channel_data {
* @addr: current address
* @maxwidth: the maximum width of a transfer on this bus
* @buswidth: the width of this bus in bytes: 1, 2 or 4
- * @fill_bytes: bytes required to fill to the next bus memory boundary
*/
struct pl08x_bus_data {
dma_addr_t addr;
u8 maxwidth;
u8 buswidth;
- size_t fill_bytes;
};
/**
@@ -104,17 +106,35 @@ struct pl08x_phy_chan {
};
/**
+ * struct pl08x_sg - structure containing data per sg
+ * @src_addr: src address of sg
+ * @dst_addr: dst address of sg
+ * @len: transfer len in bytes
+ * @node: node for txd's dsg_list
+ */
+struct pl08x_sg {
+ dma_addr_t src_addr;
+ dma_addr_t dst_addr;
+ size_t len;
+ struct list_head node;
+};
+
+/**
* struct pl08x_txd - wrapper for struct dma_async_tx_descriptor
+ * @tx: async tx descriptor
+ * @node: node for txd list for channels
+ * @dsg_list: list of children sg's
+ * @direction: direction of transfer
* @llis_bus: DMA memory address (physical) start for the LLIs
* @llis_va: virtual memory address start for the LLIs
+ * @cctl: control reg values for current txd
+ * @ccfg: config reg values for current txd
*/
struct pl08x_txd {
struct dma_async_tx_descriptor tx;
struct list_head node;
+ struct list_head dsg_list;
enum dma_data_direction direction;
- dma_addr_t src_addr;
- dma_addr_t dst_addr;
- size_t len;
dma_addr_t llis_bus;
struct pl08x_lli *llis_va;
/* Default cctl value for LLIs */
diff --git a/include/linux/amba/pl330.h b/include/linux/amba/pl330.h
index cbee7de7dd36..d12f077a6daf 100644
--- a/include/linux/amba/pl330.h
+++ b/include/linux/amba/pl330.h
@@ -19,12 +19,8 @@ struct dma_pl330_peri {
* Peri_Req i/f of the DMAC that is
* peripheral could be reached from.
*/
- u8 peri_id; /* {0, 31} */
+ u8 peri_id; /* specific dma id */
enum pl330_reqtype rqtype;
-
- /* For M->D and D->M Channels */
- int burst_sz; /* in power of 2 */
- dma_addr_t fifo_addr;
};
struct dma_pl330_platdata {
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index 3b2f9cb82986..b1038bd686ac 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -40,6 +40,7 @@ typedef int (congested_fn)(void *, int);
enum bdi_stat_item {
BDI_RECLAIMABLE,
BDI_WRITEBACK,
+ BDI_DIRTIED,
BDI_WRITTEN,
NR_BDI_STAT_ITEMS
};
@@ -74,10 +75,20 @@ struct backing_dev_info {
struct percpu_counter bdi_stat[NR_BDI_STAT_ITEMS];
unsigned long bw_time_stamp; /* last time write bw is updated */
+ unsigned long dirtied_stamp;
unsigned long written_stamp; /* pages written at bw_time_stamp */
unsigned long write_bandwidth; /* the estimated write bandwidth */
unsigned long avg_write_bandwidth; /* further smoothed write bw */
+ /*
+ * The base dirty throttle rate, re-calculated on every 200ms.
+ * All the bdi tasks' dirty rate will be curbed under it.
+ * @dirty_ratelimit tracks the estimated @balanced_dirty_ratelimit
+ * in small steps and is much more smooth/stable than the latter.
+ */
+ unsigned long dirty_ratelimit;
+ unsigned long balanced_dirty_ratelimit;
+
struct prop_local_percpu completions;
int dirty_exceeded;
@@ -107,7 +118,8 @@ int bdi_register(struct backing_dev_info *bdi, struct device *parent,
int bdi_register_dev(struct backing_dev_info *bdi, dev_t dev);
void bdi_unregister(struct backing_dev_info *bdi);
int bdi_setup_and_register(struct backing_dev_info *, char *, unsigned int);
-void bdi_start_writeback(struct backing_dev_info *bdi, long nr_pages);
+void bdi_start_writeback(struct backing_dev_info *bdi, long nr_pages,
+ enum wb_reason reason);
void bdi_start_background_writeback(struct backing_dev_info *bdi);
int bdi_writeback_thread(void *data);
int bdi_has_dirty_io(struct backing_dev_info *bdi);
diff --git a/include/linux/bcma/bcma.h b/include/linux/bcma/bcma.h
index 5dbd7055cb86..4d4b59de9467 100644
--- a/include/linux/bcma/bcma.h
+++ b/include/linux/bcma/bcma.h
@@ -170,10 +170,9 @@ struct bcma_driver {
};
extern
int __bcma_driver_register(struct bcma_driver *drv, struct module *owner);
-static inline int bcma_driver_register(struct bcma_driver *drv)
-{
- return __bcma_driver_register(drv, THIS_MODULE);
-}
+#define bcma_driver_register(drv) \
+ __bcma_driver_register(drv, THIS_MODULE)
+
extern void bcma_driver_unregister(struct bcma_driver *drv);
struct bcma_bus {
diff --git a/include/linux/bio.h b/include/linux/bio.h
index ce33e6868a2f..a3c071c9e189 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -269,14 +269,6 @@ extern void bvec_free_bs(struct bio_set *, struct bio_vec *, unsigned int);
extern unsigned int bvec_nr_vecs(unsigned short idx);
/*
- * Allow queuer to specify a completion CPU for this bio
- */
-static inline void bio_set_completion_cpu(struct bio *bio, unsigned int cpu)
-{
- bio->bi_comp_cpu = cpu;
-}
-
-/*
* bio_set is used to allow other portions of the IO system to
* allocate their own private memory pools for bio and iovec structures.
* These memory pools in turn all allocate from the bio_slab
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 71fc53bb8f1c..4053cbd4490e 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -59,8 +59,6 @@ struct bio {
unsigned int bi_max_vecs; /* max bvl_vecs we can hold */
- unsigned int bi_comp_cpu; /* completion CPU */
-
atomic_t bi_cnt; /* pin count */
struct bio_vec *bi_io_vec; /* the actual vec list */
@@ -93,11 +91,10 @@ struct bio {
#define BIO_BOUNCED 5 /* bio is a bounce bio */
#define BIO_USER_MAPPED 6 /* contains user pages */
#define BIO_EOPNOTSUPP 7 /* not supported */
-#define BIO_CPU_AFFINE 8 /* complete bio on same CPU as submitted */
-#define BIO_NULL_MAPPED 9 /* contains invalid user pages */
-#define BIO_FS_INTEGRITY 10 /* fs owns integrity data, not block layer */
-#define BIO_QUIET 11 /* Make BIO Quiet */
-#define BIO_MAPPED_INTEGRITY 12/* integrity metadata has been remapped */
+#define BIO_NULL_MAPPED 8 /* contains invalid user pages */
+#define BIO_FS_INTEGRITY 9 /* fs owns integrity data, not block layer */
+#define BIO_QUIET 10 /* Make BIO Quiet */
+#define BIO_MAPPED_INTEGRITY 11/* integrity metadata has been remapped */
#define bio_flagged(bio, flag) ((bio)->bi_flags & (1 << (flag)))
/*
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 7fbaa9103344..c7a6d3b5bc7b 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -14,7 +14,6 @@
#include <linux/wait.h>
#include <linux/mempool.h>
#include <linux/bio.h>
-#include <linux/module.h>
#include <linux/stringify.h>
#include <linux/gfp.h>
#include <linux/bsg.h>
@@ -22,6 +21,7 @@
#include <asm/scatterlist.h>
+struct module;
struct scsi_ioctl_command;
struct request_queue;
@@ -195,7 +195,7 @@ struct request_pm_state
#include <linux/elevator.h>
typedef void (request_fn_proc) (struct request_queue *q);
-typedef int (make_request_fn) (struct request_queue *q, struct bio *bio);
+typedef void (make_request_fn) (struct request_queue *q, struct bio *bio);
typedef int (prep_rq_fn) (struct request_queue *, struct request *);
typedef void (unprep_rq_fn) (struct request_queue *, struct request *);
@@ -680,6 +680,8 @@ extern int scsi_cmd_ioctl(struct request_queue *, struct gendisk *, fmode_t,
extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t,
struct scsi_ioctl_command __user *);
+extern void blk_queue_bio(struct request_queue *q, struct bio *bio);
+
/*
* A queue has just exitted congestion. Note this in the global counter of
* congested queues, and wake up anyone who was waiting for requests to be
@@ -863,16 +865,22 @@ struct request_queue *blk_alloc_queue_node(gfp_t, int);
extern void blk_put_queue(struct request_queue *);
/*
- * Note: Code in between changing the blk_plug list/cb_list or element of such
- * lists is preemptable, but such code can't do sleep (or be very careful),
- * otherwise data is corrupted. For details, please check schedule() where
- * blk_schedule_flush_plug() is called.
+ * blk_plug permits building a queue of related requests by holding the I/O
+ * fragments for a short period. This allows merging of sequential requests
+ * into single larger request. As the requests are moved from a per-task list to
+ * the device's request_queue in a batch, this results in improved scalability
+ * as the lock contention for request_queue lock is reduced.
+ *
+ * It is ok not to disable preemption when adding the request to the plug list
+ * or when attempting a merge, because blk_schedule_flush_list() will only flush
+ * the plug list when the task sleeps by itself. For details, please see
+ * schedule() where blk_schedule_flush_plug() is called.
*/
struct blk_plug {
- unsigned long magic;
- struct list_head list;
- struct list_head cb_list;
- unsigned int should_sort;
+ unsigned long magic; /* detect uninitialized use-cases */
+ struct list_head list; /* requests */
+ struct list_head cb_list; /* md requires an unplug callback */
+ unsigned int should_sort; /* list to be sorted before flushing? */
};
#define BLK_MAX_REQUEST_COUNT 16
@@ -1189,20 +1197,6 @@ static inline uint64_t rq_io_start_time_ns(struct request *req)
}
#endif
-#ifdef CONFIG_BLK_DEV_THROTTLING
-extern int blk_throtl_init(struct request_queue *q);
-extern void blk_throtl_exit(struct request_queue *q);
-extern int blk_throtl_bio(struct request_queue *q, struct bio **bio);
-#else /* CONFIG_BLK_DEV_THROTTLING */
-static inline int blk_throtl_bio(struct request_queue *q, struct bio **bio)
-{
- return 0;
-}
-
-static inline int blk_throtl_init(struct request_queue *q) { return 0; }
-static inline int blk_throtl_exit(struct request_queue *q) { return 0; }
-#endif /* CONFIG_BLK_DEV_THROTTLING */
-
#define MODULE_ALIAS_BLOCKDEV(major,minor) \
MODULE_ALIAS("block-major-" __stringify(major) "-" __stringify(minor))
#define MODULE_ALIAS_BLOCKDEV_MAJOR(major) \
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index b1a635acf72a..6cb60fd2ea84 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -196,13 +196,9 @@ static inline void cpu_hotplug_driver_unlock(void)
#endif /* CONFIG_HOTPLUG_CPU */
#ifdef CONFIG_PM_SLEEP_SMP
-extern int suspend_cpu_hotplug;
-
extern int disable_nonboot_cpus(void);
extern void enable_nonboot_cpus(void);
#else /* !CONFIG_PM_SLEEP_SMP */
-#define suspend_cpu_hotplug 0
-
static inline int disable_nonboot_cpus(void) { return 0; }
static inline void enable_nonboot_cpus(void) {}
#endif /* !CONFIG_PM_SLEEP_SMP */
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index b51629e15cfc..7408af843b8a 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -13,7 +13,6 @@
#include <linux/percpu.h>
#include <linux/list.h>
-#include <linux/module.h>
#include <linux/kobject.h>
#include <linux/completion.h>
@@ -21,58 +20,65 @@
#define CPUIDLE_NAME_LEN 16
#define CPUIDLE_DESC_LEN 32
+struct module;
+
struct cpuidle_device;
+struct cpuidle_driver;
/****************************
* CPUIDLE DEVICE INTERFACE *
****************************/
+struct cpuidle_state_usage {
+ void *driver_data;
+
+ unsigned long long usage;
+ unsigned long long time; /* in US */
+};
+
struct cpuidle_state {
char name[CPUIDLE_NAME_LEN];
char desc[CPUIDLE_DESC_LEN];
- void *driver_data;
unsigned int flags;
unsigned int exit_latency; /* in US */
unsigned int power_usage; /* in mW */
unsigned int target_residency; /* in US */
- unsigned long long usage;
- unsigned long long time; /* in US */
-
int (*enter) (struct cpuidle_device *dev,
- struct cpuidle_state *state);
+ struct cpuidle_driver *drv,
+ int index);
};
/* Idle State Flags */
#define CPUIDLE_FLAG_TIME_VALID (0x01) /* is residency time measurable? */
-#define CPUIDLE_FLAG_IGNORE (0x100) /* ignore during this idle period */
#define CPUIDLE_DRIVER_FLAGS_MASK (0xFFFF0000)
/**
* cpuidle_get_statedata - retrieves private driver state data
- * @state: the state
+ * @st_usage: the state usage statistics
*/
-static inline void * cpuidle_get_statedata(struct cpuidle_state *state)
+static inline void *cpuidle_get_statedata(struct cpuidle_state_usage *st_usage)
{
- return state->driver_data;
+ return st_usage->driver_data;
}
/**
* cpuidle_set_statedata - stores private driver state data
- * @state: the state
+ * @st_usage: the state usage statistics
* @data: the private data
*/
static inline void
-cpuidle_set_statedata(struct cpuidle_state *state, void *data)
+cpuidle_set_statedata(struct cpuidle_state_usage *st_usage, void *data)
{
- state->driver_data = data;
+ st_usage->driver_data = data;
}
struct cpuidle_state_kobj {
struct cpuidle_state *state;
+ struct cpuidle_state_usage *state_usage;
struct completion kobj_unregister;
struct kobject kobj;
};
@@ -80,22 +86,17 @@ struct cpuidle_state_kobj {
struct cpuidle_device {
unsigned int registered:1;
unsigned int enabled:1;
- unsigned int power_specified:1;
unsigned int cpu;
int last_residency;
int state_count;
- struct cpuidle_state states[CPUIDLE_STATE_MAX];
+ struct cpuidle_state_usage states_usage[CPUIDLE_STATE_MAX];
struct cpuidle_state_kobj *kobjs[CPUIDLE_STATE_MAX];
- struct cpuidle_state *last_state;
struct list_head device_list;
struct kobject kobj;
struct completion kobj_unregister;
void *governor_data;
- struct cpuidle_state *safe_state;
-
- int (*prepare) (struct cpuidle_device *dev);
};
DECLARE_PER_CPU(struct cpuidle_device *, cpuidle_devices);
@@ -119,6 +120,11 @@ static inline int cpuidle_get_last_residency(struct cpuidle_device *dev)
struct cpuidle_driver {
char name[CPUIDLE_NAME_LEN];
struct module *owner;
+
+ unsigned int power_specified:1;
+ struct cpuidle_state states[CPUIDLE_STATE_MAX];
+ int state_count;
+ int safe_state_index;
};
#ifdef CONFIG_CPU_IDLE
@@ -165,11 +171,14 @@ struct cpuidle_governor {
struct list_head governor_list;
unsigned int rating;
- int (*enable) (struct cpuidle_device *dev);
- void (*disable) (struct cpuidle_device *dev);
+ int (*enable) (struct cpuidle_driver *drv,
+ struct cpuidle_device *dev);
+ void (*disable) (struct cpuidle_driver *drv,
+ struct cpuidle_device *dev);
- int (*select) (struct cpuidle_device *dev);
- void (*reflect) (struct cpuidle_device *dev);
+ int (*select) (struct cpuidle_driver *drv,
+ struct cpuidle_device *dev);
+ void (*reflect) (struct cpuidle_device *dev, int index);
struct module *owner;
};
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index de9adec5693c..8a94217b298e 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -18,7 +18,6 @@
#define _LINUX_CRYPTO_H
#include <linux/atomic.h>
-#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/slab.h>
@@ -510,11 +509,6 @@ static inline int crypto_tfm_alg_priority(struct crypto_tfm *tfm)
return tfm->__crt_alg->cra_priority;
}
-static inline const char *crypto_tfm_alg_modname(struct crypto_tfm *tfm)
-{
- return module_name(tfm->__crt_alg->cra_module);
-}
-
static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm)
{
return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK;
diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
index afb94583960c..98ce8124b1cc 100644
--- a/include/linux/devfreq.h
+++ b/include/linux/devfreq.h
@@ -41,7 +41,7 @@ struct devfreq_dev_status {
unsigned long total_time;
unsigned long busy_time;
unsigned long current_frequency;
- void *private_date;
+ void *private_data;
};
/**
diff --git a/include/linux/device.h b/include/linux/device.h
index e88abeecfadf..ffbcf95cd97d 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -20,7 +20,7 @@
#include <linux/lockdep.h>
#include <linux/compiler.h>
#include <linux/types.h>
-#include <linux/module.h>
+#include <linux/mutex.h>
#include <linux/pm.h>
#include <linux/atomic.h>
#include <asm/device.h>
@@ -29,6 +29,7 @@ struct device;
struct device_private;
struct device_driver;
struct driver_private;
+struct module;
struct class;
struct subsys_private;
struct bus_type;
@@ -723,10 +724,14 @@ extern int dev_set_drvdata(struct device *dev, void *data);
*/
extern struct device *__root_device_register(const char *name,
struct module *owner);
-static inline struct device *root_device_register(const char *name)
-{
- return __root_device_register(name, THIS_MODULE);
-}
+
+/*
+ * This is a macro to avoid include problems with THIS_MODULE,
+ * just as per what is done for device_schedule_callback() above.
+ */
+#define root_device_register(name) \
+ __root_device_register(name, THIS_MODULE)
+
extern void root_device_unregister(struct device *root);
static inline void *dev_get_platdata(const struct device *dev)
diff --git a/include/linux/device_cgroup.h b/include/linux/device_cgroup.h
index 7aad1f440867..8b64221b432b 100644
--- a/include/linux/device_cgroup.h
+++ b/include/linux/device_cgroup.h
@@ -1,4 +1,3 @@
-#include <linux/module.h>
#include <linux/fs.h>
#ifdef CONFIG_CGROUP_DEVICE
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index be86ae13893f..e13117cbd2f7 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -42,6 +42,9 @@ struct dma_map_ops {
int (*mapping_error)(struct device *dev, dma_addr_t dma_addr);
int (*dma_supported)(struct device *dev, u64 mask);
int (*set_dma_mask)(struct device *dev, u64 mask);
+#ifdef ARCH_HAS_DMA_GET_REQUIRED_MASK
+ u64 (*get_required_mask)(struct device *dev);
+#endif
int is_phys;
};
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 8fbf40e0713c..75f53f874b24 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -24,8 +24,9 @@
#include <linux/device.h>
#include <linux/uio.h>
#include <linux/dma-direction.h>
-
-struct scatterlist;
+#include <linux/scatterlist.h>
+#include <linux/bitmap.h>
+#include <asm/page.h>
/**
* typedef dma_cookie_t - an opaque DMA cookie
@@ -519,6 +520,16 @@ static inline int dmaengine_slave_config(struct dma_chan *chan,
(unsigned long)config);
}
+static inline struct dma_async_tx_descriptor *dmaengine_prep_slave_single(
+ struct dma_chan *chan, void *buf, size_t len,
+ enum dma_data_direction dir, unsigned long flags)
+{
+ struct scatterlist sg;
+ sg_init_one(&sg, buf, len);
+
+ return chan->device->device_prep_slave_sg(chan, &sg, 1, dir, flags);
+}
+
static inline int dmaengine_terminate_all(struct dma_chan *chan)
{
return dmaengine_device_control(chan, DMA_TERMINATE_ALL, 0);
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index d800d5142184..1d0f7a2ff73b 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -38,6 +38,12 @@ struct elevator_ops
elevator_merged_fn *elevator_merged_fn;
elevator_merge_req_fn *elevator_merge_req_fn;
elevator_allow_merge_fn *elevator_allow_merge_fn;
+
+ /*
+ * Used for both plugged list and elevator merging and in the
+ * former case called without queue_lock. Read comment on top of
+ * attempt_plug_merge() for details.
+ */
elevator_bio_merged_fn *elevator_bio_merged_fn;
elevator_dispatch_fn *elevator_dispatch_fn;
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 45f00b61c096..de33de1e2052 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -1097,10 +1097,12 @@ struct ethtool_ops {
#define SPEED_1000 1000
#define SPEED_2500 2500
#define SPEED_10000 10000
+#define SPEED_UNKNOWN -1
/* Duplex, half or full. */
#define DUPLEX_HALF 0x00
#define DUPLEX_FULL 0x01
+#define DUPLEX_UNKNOWN 0xff
/* Which connector port. */
#define PORT_TP 0x00
diff --git a/include/linux/export.h b/include/linux/export.h
new file mode 100644
index 000000000000..696c0f48afc7
--- /dev/null
+++ b/include/linux/export.h
@@ -0,0 +1,89 @@
+#ifndef _LINUX_EXPORT_H
+#define _LINUX_EXPORT_H
+/*
+ * Export symbols from the kernel to modules. Forked from module.h
+ * to reduce the amount of pointless cruft we feed to gcc when only
+ * exporting a simple symbol or two.
+ *
+ * If you feel the need to add #include <linux/foo.h> to this file
+ * then you are doing something wrong and should go away silently.
+ */
+
+/* Some toolchains use a `_' prefix for all user symbols. */
+#ifdef CONFIG_SYMBOL_PREFIX
+#define MODULE_SYMBOL_PREFIX CONFIG_SYMBOL_PREFIX
+#else
+#define MODULE_SYMBOL_PREFIX ""
+#endif
+
+struct kernel_symbol
+{
+ unsigned long value;
+ const char *name;
+};
+
+#ifdef MODULE
+extern struct module __this_module;
+#define THIS_MODULE (&__this_module)
+#else
+#define THIS_MODULE ((struct module *)0)
+#endif
+
+#ifdef CONFIG_MODULES
+
+#ifndef __GENKSYMS__
+#ifdef CONFIG_MODVERSIONS
+/* Mark the CRC weak since genksyms apparently decides not to
+ * generate a checksums for some symbols */
+#define __CRC_SYMBOL(sym, sec) \
+ extern void *__crc_##sym __attribute__((weak)); \
+ static const unsigned long __kcrctab_##sym \
+ __used \
+ __attribute__((section("___kcrctab" sec "+" #sym), unused)) \
+ = (unsigned long) &__crc_##sym;
+#else
+#define __CRC_SYMBOL(sym, sec)
+#endif
+
+/* For every exported symbol, place a struct in the __ksymtab section */
+#define __EXPORT_SYMBOL(sym, sec) \
+ extern typeof(sym) sym; \
+ __CRC_SYMBOL(sym, sec) \
+ static const char __kstrtab_##sym[] \
+ __attribute__((section("__ksymtab_strings"), aligned(1))) \
+ = MODULE_SYMBOL_PREFIX #sym; \
+ static const struct kernel_symbol __ksymtab_##sym \
+ __used \
+ __attribute__((section("___ksymtab" sec "+" #sym), unused)) \
+ = { (unsigned long)&sym, __kstrtab_##sym }
+
+#define EXPORT_SYMBOL(sym) \
+ __EXPORT_SYMBOL(sym, "")
+
+#define EXPORT_SYMBOL_GPL(sym) \
+ __EXPORT_SYMBOL(sym, "_gpl")
+
+#define EXPORT_SYMBOL_GPL_FUTURE(sym) \
+ __EXPORT_SYMBOL(sym, "_gpl_future")
+
+#ifdef CONFIG_UNUSED_SYMBOLS
+#define EXPORT_UNUSED_SYMBOL(sym) __EXPORT_SYMBOL(sym, "_unused")
+#define EXPORT_UNUSED_SYMBOL_GPL(sym) __EXPORT_SYMBOL(sym, "_unused_gpl")
+#else
+#define EXPORT_UNUSED_SYMBOL(sym)
+#define EXPORT_UNUSED_SYMBOL_GPL(sym)
+#endif
+
+#endif /* __GENKSYMS__ */
+
+#else /* !CONFIG_MODULES... */
+
+#define EXPORT_SYMBOL(sym)
+#define EXPORT_SYMBOL_GPL(sym)
+#define EXPORT_SYMBOL_GPL_FUTURE(sym)
+#define EXPORT_UNUSED_SYMBOL(sym)
+#define EXPORT_UNUSED_SYMBOL_GPL(sym)
+
+#endif /* CONFIG_MODULES */
+
+#endif /* _LINUX_EXPORT_H */
diff --git a/include/linux/firmware.h b/include/linux/firmware.h
index 21b3e7588abd..1e7c01189fa6 100644
--- a/include/linux/firmware.h
+++ b/include/linux/firmware.h
@@ -1,7 +1,6 @@
#ifndef _LINUX_FIRMWARE_H
#define _LINUX_FIRMWARE_H
-#include <linux/module.h>
#include <linux/types.h>
#include <linux/compiler.h>
#include <linux/gfp.h>
@@ -15,6 +14,7 @@ struct firmware {
struct page **pages;
};
+struct module;
struct device;
struct builtin_fw {
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index a49b52934c55..a5386e3ee756 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -143,14 +143,9 @@ static inline void set_freezable_with_signal(void)
#define wait_event_freezekillable(wq, condition) \
({ \
int __retval; \
- do { \
- __retval = wait_event_killable(wq, \
- (condition) || freezing(current)); \
- if (__retval && !freezing(current)) \
- break; \
- else if (!(condition)) \
- __retval = -ERESTARTSYS; \
- } while (try_to_freeze()); \
+ freezer_do_not_count(); \
+ __retval = wait_event_killable(wq, (condition)); \
+ freezer_count(); \
__retval; \
})
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index f0c0e8a47ae6..26eafcef75be 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -10,7 +10,6 @@
#include <linux/kallsyms.h>
#include <linux/linkage.h>
#include <linux/bitops.h>
-#include <linux/module.h>
#include <linux/ktime.h>
#include <linux/sched.h>
#include <linux/types.h>
@@ -19,6 +18,7 @@
#include <asm/ftrace.h>
+struct module;
struct ftrace_hash;
#ifdef CONFIG_FUNCTION_TRACER
diff --git a/include/linux/gameport.h b/include/linux/gameport.h
index 069ee4139105..b456b08d70ed 100644
--- a/include/linux/gameport.h
+++ b/include/linux/gameport.h
@@ -71,10 +71,9 @@ void gameport_close(struct gameport *gameport);
#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
void __gameport_register_port(struct gameport *gameport, struct module *owner);
-static inline void gameport_register_port(struct gameport *gameport)
-{
- __gameport_register_port(gameport, THIS_MODULE);
-}
+/* use a define to avoid include chaining to get THIS_MODULE */
+#define gameport_register_port(gameport) \
+ __gameport_register_port(gameport, THIS_MODULE)
void gameport_unregister_port(struct gameport *gameport);
@@ -145,12 +144,12 @@ static inline void gameport_unpin_driver(struct gameport *gameport)
mutex_unlock(&gameport->drv_mutex);
}
-int __gameport_register_driver(struct gameport_driver *drv,
+int __must_check __gameport_register_driver(struct gameport_driver *drv,
struct module *owner, const char *mod_name);
-static inline int __must_check gameport_register_driver(struct gameport_driver *drv)
-{
- return __gameport_register_driver(drv, THIS_MODULE, KBUILD_MODNAME);
-}
+
+/* use a define to avoid include chaining to get THIS_MODULE & friends */
+#define gameport_register_driver(drv) \
+ __gameport_register_driver(drv, THIS_MODULE, KBUILD_MODNAME)
void gameport_unregister_driver(struct gameport_driver *drv);
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 6957350e122f..9de31bc98c88 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -131,6 +131,7 @@ struct hd_struct {
#define GENHD_FL_EXT_DEVT 64 /* allow extended devt */
#define GENHD_FL_NATIVE_CAPACITY 128
#define GENHD_FL_BLOCK_EVENTS_ON_EXCL_WRITE 256
+#define GENHD_FL_NO_PART_SCAN 512
enum {
DISK_EVENT_MEDIA_CHANGE = 1 << 0, /* media changed */
@@ -238,9 +239,10 @@ static inline int disk_max_parts(struct gendisk *disk)
return disk->minors;
}
-static inline bool disk_partitionable(struct gendisk *disk)
+static inline bool disk_part_scan_enabled(struct gendisk *disk)
{
- return disk_max_parts(disk) > 1;
+ return disk_max_parts(disk) > 1 &&
+ !(disk->flags & GENHD_FL_NO_PART_SCAN);
}
static inline dev_t disk_devt(struct gendisk *disk)
diff --git a/include/linux/hid.h b/include/linux/hid.h
index deed5f9a1e1c..c235e4e8767c 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -697,10 +697,11 @@ extern void hid_destroy_device(struct hid_device *);
extern int __must_check __hid_register_driver(struct hid_driver *,
struct module *, const char *mod_name);
-static inline int __must_check hid_register_driver(struct hid_driver *driver)
-{
- return __hid_register_driver(driver, THIS_MODULE, KBUILD_MODNAME);
-}
+
+/* use a define to avoid include chaining to get THIS_MODULE & friends */
+#define hid_register_driver(driver) \
+ __hid_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
+
extern void hid_unregister_driver(struct hid_driver *);
extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32);
diff --git a/include/linux/hwspinlock.h b/include/linux/hwspinlock.h
index 08a2fee40659..aad6bd4b3efd 100644
--- a/include/linux/hwspinlock.h
+++ b/include/linux/hwspinlock.h
@@ -118,7 +118,6 @@ int __hwspin_trylock(struct hwspinlock *hwlock, int mode, unsigned long *flags)
static inline
void __hwspin_unlock(struct hwspinlock *hwlock, int mode, unsigned long *flags)
{
- return 0;
}
static inline int hwspin_lock_get_id(struct hwspinlock *hwlock)
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 38a21c3edd2c..a81bf6d23b3e 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -28,7 +28,6 @@
#include <linux/types.h>
#ifdef __KERNEL__
-#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/device.h> /* for struct device */
#include <linux/sched.h> /* for completion */
@@ -49,6 +48,8 @@ struct i2c_driver;
union i2c_smbus_data;
struct i2c_board_info;
+struct module;
+
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
/*
* The master routines are the ones normally used to transmit data to devices
@@ -451,10 +452,9 @@ extern int i2c_add_numbered_adapter(struct i2c_adapter *);
extern int i2c_register_driver(struct module *, struct i2c_driver *);
extern void i2c_del_driver(struct i2c_driver *);
-static inline int i2c_add_driver(struct i2c_driver *driver)
-{
- return i2c_register_driver(THIS_MODULE, driver);
-}
+/* use a define to avoid include chaining to get THIS_MODULE */
+#define i2c_add_driver(driver) \
+ i2c_register_driver(THIS_MODULE, driver)
extern struct i2c_client *i2c_use_client(struct i2c_client *client);
extern void i2c_release_client(struct i2c_client *client);
diff --git a/include/linux/ipmi.h b/include/linux/ipmi.h
index ca85cf894e33..bbd156bb953b 100644
--- a/include/linux/ipmi.h
+++ b/include/linux/ipmi.h
@@ -220,10 +220,11 @@ struct kernel_ipmi_msg {
* The in-kernel interface.
*/
#include <linux/list.h>
-#include <linux/module.h>
#include <linux/device.h>
#include <linux/proc_fs.h>
+struct module;
+
/* Opaque type for a IPMI message user. One of these is needed to
send and receive messages. */
typedef struct ipmi_user *ipmi_user_t;
diff --git a/include/linux/ipmi_smi.h b/include/linux/ipmi_smi.h
index 204f9cd26c16..3ef0d8b6aa6f 100644
--- a/include/linux/ipmi_smi.h
+++ b/include/linux/ipmi_smi.h
@@ -36,7 +36,6 @@
#include <linux/ipmi_msgdefs.h>
#include <linux/proc_fs.h>
-#include <linux/module.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/ipmi.h>
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 59e49c80cc2c..bff29c58da23 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -23,13 +23,13 @@
#include <linux/errno.h>
#include <linux/topology.h>
#include <linux/wait.h>
-#include <linux/module.h>
#include <asm/irq.h>
#include <asm/ptrace.h>
#include <asm/irq_regs.h>
struct seq_file;
+struct module;
struct irq_desc;
struct irq_data;
typedef void (*irq_flow_handler_t)(unsigned int irq,
@@ -567,29 +567,21 @@ static inline struct msi_desc *irq_data_get_msi(struct irq_data *d)
int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node,
struct module *owner);
-static inline int irq_alloc_descs(int irq, unsigned int from, unsigned int cnt,
- int node)
-{
- return __irq_alloc_descs(irq, from, cnt, node, THIS_MODULE);
-}
+/* use macros to avoid needing export.h for THIS_MODULE */
+#define irq_alloc_descs(irq, from, cnt, node) \
+ __irq_alloc_descs(irq, from, cnt, node, THIS_MODULE)
-void irq_free_descs(unsigned int irq, unsigned int cnt);
-int irq_reserve_irqs(unsigned int from, unsigned int cnt);
+#define irq_alloc_desc(node) \
+ irq_alloc_descs(-1, 0, 1, node)
-static inline int irq_alloc_desc(int node)
-{
- return irq_alloc_descs(-1, 0, 1, node);
-}
+#define irq_alloc_desc_at(at, node) \
+ irq_alloc_descs(at, at, 1, node)
-static inline int irq_alloc_desc_at(unsigned int at, int node)
-{
- return irq_alloc_descs(at, at, 1, node);
-}
+#define irq_alloc_desc_from(from, node) \
+ irq_alloc_descs(-1, from, 1, node)
-static inline int irq_alloc_desc_from(unsigned int from, int node)
-{
- return irq_alloc_descs(-1, from, 1, node);
-}
+void irq_free_descs(unsigned int irq, unsigned int cnt);
+int irq_reserve_irqs(unsigned int from, unsigned int cnt);
static inline void irq_free_desc(unsigned int irq)
{
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index 6b69c2c9dff1..f1e2527006bd 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -11,6 +11,7 @@
struct irq_affinity_notify;
struct proc_dir_entry;
struct timer_rand_state;
+struct module;
/**
* struct irq_desc - interrupt descriptor
* @irq_data: per irq and chip data passed down to chip functions
diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h
index 66f23dc5e76a..388b0d425b50 100644
--- a/include/linux/jump_label.h
+++ b/include/linux/jump_label.h
@@ -16,7 +16,7 @@ struct jump_label_key {
# include <asm/jump_label.h>
# define HAVE_JUMP_LABEL
-#endif
+#endif /* CC_HAVE_ASM_GOTO && CONFIG_JUMP_LABEL */
enum jump_label_type {
JUMP_LABEL_DISABLE = 0,
@@ -28,9 +28,9 @@ struct module;
#ifdef HAVE_JUMP_LABEL
#ifdef CONFIG_MODULES
-#define JUMP_LABEL_INIT {{ 0 }, NULL, NULL}
+#define JUMP_LABEL_INIT {ATOMIC_INIT(0), NULL, NULL}
#else
-#define JUMP_LABEL_INIT {{ 0 }, NULL}
+#define JUMP_LABEL_INIT {ATOMIC_INIT(0), NULL}
#endif
static __always_inline bool static_branch(struct jump_label_key *key)
@@ -41,18 +41,20 @@ static __always_inline bool static_branch(struct jump_label_key *key)
extern struct jump_entry __start___jump_table[];
extern struct jump_entry __stop___jump_table[];
+extern void jump_label_init(void);
extern void jump_label_lock(void);
extern void jump_label_unlock(void);
extern void arch_jump_label_transform(struct jump_entry *entry,
- enum jump_label_type type);
-extern void arch_jump_label_text_poke_early(jump_label_t addr);
+ enum jump_label_type type);
+extern void arch_jump_label_transform_static(struct jump_entry *entry,
+ enum jump_label_type type);
extern int jump_label_text_reserved(void *start, void *end);
extern void jump_label_inc(struct jump_label_key *key);
extern void jump_label_dec(struct jump_label_key *key);
extern bool jump_label_enabled(struct jump_label_key *key);
extern void jump_label_apply_nops(struct module *mod);
-#else
+#else /* !HAVE_JUMP_LABEL */
#include <linux/atomic.h>
@@ -62,6 +64,10 @@ struct jump_label_key {
atomic_t enabled;
};
+static __always_inline void jump_label_init(void)
+{
+}
+
static __always_inline bool static_branch(struct jump_label_key *key)
{
if (unlikely(atomic_read(&key->enabled)))
@@ -96,7 +102,6 @@ static inline int jump_label_apply_nops(struct module *mod)
{
return 0;
}
+#endif /* HAVE_JUMP_LABEL */
-#endif
-
-#endif
+#endif /* _LINUX_JUMP_LABEL_H */
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 4c0d3b2fd5fc..e8b1597b5cf2 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -371,6 +371,7 @@ extern enum system_states {
#define TAINT_WARN 9
#define TAINT_CRAP 10
#define TAINT_FIRMWARE_WORKAROUND 11
+#define TAINT_OOT_MODULE 12
extern const char hex_asc[];
#define hex_asc_lo(x) hex_asc[((x) & 0x0f)]
diff --git a/include/linux/loop.h b/include/linux/loop.h
index 683d69890119..11a41a8f08eb 100644
--- a/include/linux/loop.h
+++ b/include/linux/loop.h
@@ -73,8 +73,8 @@ struct loop_device {
*/
enum {
LO_FLAGS_READ_ONLY = 1,
- LO_FLAGS_USE_AOPS = 2,
LO_FLAGS_AUTOCLEAR = 4,
+ LO_FLAGS_PARTSCAN = 8,
};
#include <asm/posix_types.h> /* for __kernel_old_dev_t */
diff --git a/include/linux/mdio-bitbang.h b/include/linux/mdio-bitbang.h
index 8ea9a42a4c02..0fe00cd4c93c 100644
--- a/include/linux/mdio-bitbang.h
+++ b/include/linux/mdio-bitbang.h
@@ -2,7 +2,8 @@
#define __LINUX_MDIO_BITBANG_H
#include <linux/phy.h>
-#include <linux/module.h>
+
+struct module;
struct mdiobb_ctrl;
diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h
index c309b1ecdc1c..c41d7270c6c6 100644
--- a/include/linux/miscdevice.h
+++ b/include/linux/miscdevice.h
@@ -1,7 +1,8 @@
#ifndef _LINUX_MISCDEVICE_H
#define _LINUX_MISCDEVICE_H
-#include <linux/module.h>
#include <linux/major.h>
+#include <linux/list.h>
+#include <linux/types.h>
/*
* These allocations are managed by device@lanana.org. If you use an
diff --git a/include/linux/module.h b/include/linux/module.h
index 863921637d9f..3cb7839a60b9 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -16,6 +16,7 @@
#include <linux/kobject.h>
#include <linux/moduleparam.h>
#include <linux/tracepoint.h>
+#include <linux/export.h>
#include <linux/percpu.h>
#include <asm/module.h>
@@ -25,21 +26,8 @@
/* Not Yet Implemented */
#define MODULE_SUPPORTED_DEVICE(name)
-/* Some toolchains use a `_' prefix for all user symbols. */
-#ifdef CONFIG_SYMBOL_PREFIX
-#define MODULE_SYMBOL_PREFIX CONFIG_SYMBOL_PREFIX
-#else
-#define MODULE_SYMBOL_PREFIX ""
-#endif
-
#define MODULE_NAME_LEN MAX_PARAM_PREFIX_LEN
-struct kernel_symbol
-{
- unsigned long value;
- const char *name;
-};
-
struct modversion_info
{
unsigned long crc;
@@ -98,11 +86,8 @@ void trim_init_extable(struct module *m);
extern const struct gtype##_id __mod_##gtype##_table \
__attribute__ ((unused, alias(__stringify(name))))
-extern struct module __this_module;
-#define THIS_MODULE (&__this_module)
#else /* !MODULE */
#define MODULE_GENERIC_TABLE(gtype,name)
-#define THIS_MODULE ((struct module *)0)
#endif
/* Generic info of form tag = "info" */
@@ -150,11 +135,6 @@ extern struct module __this_module;
/* What your module does. */
#define MODULE_DESCRIPTION(_description) MODULE_INFO(description, _description)
-/* One for each parameter, describing how to use it. Some files do
- multiple of these per line, so can't just use MODULE_INFO. */
-#define MODULE_PARM_DESC(_parm, desc) \
- __MODULE_INFO(parm, _parm, #_parm ":" desc)
-
#define MODULE_DEVICE_TABLE(type,name) \
MODULE_GENERIC_TABLE(type##_device,name)
@@ -218,52 +198,6 @@ struct module_use {
struct module *source, *target;
};
-#ifndef __GENKSYMS__
-#ifdef CONFIG_MODVERSIONS
-/* Mark the CRC weak since genksyms apparently decides not to
- * generate a checksums for some symbols */
-#define __CRC_SYMBOL(sym, sec) \
- extern void *__crc_##sym __attribute__((weak)); \
- static const unsigned long __kcrctab_##sym \
- __used \
- __attribute__((section("___kcrctab" sec "+" #sym), unused)) \
- = (unsigned long) &__crc_##sym;
-#else
-#define __CRC_SYMBOL(sym, sec)
-#endif
-
-/* For every exported symbol, place a struct in the __ksymtab section */
-#define __EXPORT_SYMBOL(sym, sec) \
- extern typeof(sym) sym; \
- __CRC_SYMBOL(sym, sec) \
- static const char __kstrtab_##sym[] \
- __attribute__((section("__ksymtab_strings"), aligned(1))) \
- = MODULE_SYMBOL_PREFIX #sym; \
- static const struct kernel_symbol __ksymtab_##sym \
- __used \
- __attribute__((section("___ksymtab" sec "+" #sym), unused)) \
- = { (unsigned long)&sym, __kstrtab_##sym }
-
-#define EXPORT_SYMBOL(sym) \
- __EXPORT_SYMBOL(sym, "")
-
-#define EXPORT_SYMBOL_GPL(sym) \
- __EXPORT_SYMBOL(sym, "_gpl")
-
-#define EXPORT_SYMBOL_GPL_FUTURE(sym) \
- __EXPORT_SYMBOL(sym, "_gpl_future")
-
-
-#ifdef CONFIG_UNUSED_SYMBOLS
-#define EXPORT_UNUSED_SYMBOL(sym) __EXPORT_SYMBOL(sym, "_unused")
-#define EXPORT_UNUSED_SYMBOL_GPL(sym) __EXPORT_SYMBOL(sym, "_unused_gpl")
-#else
-#define EXPORT_UNUSED_SYMBOL(sym)
-#define EXPORT_UNUSED_SYMBOL_GPL(sym)
-#endif
-
-#endif
-
enum module_state
{
MODULE_STATE_LIVE,
@@ -581,11 +515,6 @@ int unregister_module_notifier(struct notifier_block * nb);
extern void print_modules(void);
#else /* !CONFIG_MODULES... */
-#define EXPORT_SYMBOL(sym)
-#define EXPORT_SYMBOL_GPL(sym)
-#define EXPORT_SYMBOL_GPL_FUTURE(sym)
-#define EXPORT_UNUSED_SYMBOL(sym)
-#define EXPORT_UNUSED_SYMBOL_GPL(sym)
/* Given an address, look for it in the exception tables. */
static inline const struct exception_table_entry *
diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index fffb10bd5514..7939f636c8ba 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -31,6 +31,11 @@ static const char __module_cat(name,__LINE__)[] \
#define __MODULE_PARM_TYPE(name, _type) \
__MODULE_INFO(parmtype, name##type, #name ":" _type)
+/* One for each parameter, describing how to use it. Some files do
+ multiple of these per line, so can't just use MODULE_INFO. */
+#define MODULE_PARM_DESC(_parm, desc) \
+ __MODULE_INFO(parm, _parm, #_parm ":" desc)
+
struct kernel_param;
struct kernel_param_ops {
diff --git a/include/linux/mtd/bbm.h b/include/linux/mtd/bbm.h
index 57cc0e63714f..c4eec228eef9 100644
--- a/include/linux/mtd/bbm.h
+++ b/include/linux/mtd/bbm.h
@@ -86,24 +86,39 @@ struct nand_bbt_descr {
#define NAND_BBT_VERSION 0x00000100
/* Create a bbt if none exists */
#define NAND_BBT_CREATE 0x00000200
+/*
+ * Create an empty BBT with no vendor information. Vendor's information may be
+ * unavailable, for example, if the NAND controller has a different data and OOB
+ * layout or if this information is already purged. Must be used in conjunction
+ * with NAND_BBT_CREATE.
+ */
+#define NAND_BBT_CREATE_EMPTY 0x00000400
/* Search good / bad pattern through all pages of a block */
-#define NAND_BBT_SCANALLPAGES 0x00000400
+#define NAND_BBT_SCANALLPAGES 0x00000800
/* Scan block empty during good / bad block scan */
-#define NAND_BBT_SCANEMPTY 0x00000800
+#define NAND_BBT_SCANEMPTY 0x00001000
/* Write bbt if neccecary */
-#define NAND_BBT_WRITE 0x00001000
+#define NAND_BBT_WRITE 0x00002000
/* Read and write back block contents when writing bbt */
-#define NAND_BBT_SAVECONTENT 0x00002000
+#define NAND_BBT_SAVECONTENT 0x00004000
/* Search good / bad pattern on the first and the second page */
-#define NAND_BBT_SCAN2NDPAGE 0x00004000
+#define NAND_BBT_SCAN2NDPAGE 0x00008000
/* Search good / bad pattern on the last page of the eraseblock */
-#define NAND_BBT_SCANLASTPAGE 0x00008000
-/* Chip stores bad block marker on BOTH 1st and 6th bytes of OOB */
-#define NAND_BBT_SCANBYTE1AND6 0x00100000
-/* The nand_bbt_descr was created dynamicaly and must be freed */
-#define NAND_BBT_DYNAMICSTRUCT 0x00200000
-/* The bad block table does not OOB for marker */
-#define NAND_BBT_NO_OOB 0x00400000
+#define NAND_BBT_SCANLASTPAGE 0x00010000
+/*
+ * Use a flash based bad block table. By default, OOB identifier is saved in
+ * OOB area. This option is passed to the default bad block table function.
+ */
+#define NAND_BBT_USE_FLASH 0x00020000
+/* Do not store flash based bad block table in OOB area; store it in-band */
+#define NAND_BBT_NO_OOB 0x00040000
+
+/*
+ * Flag set by nand_create_default_bbt_descr(), marking that the nand_bbt_descr
+ * was allocated dynamicaly and must be freed in nand_release(). Has no meaning
+ * in nand_chip.bbt_options.
+ */
+#define NAND_BBT_DYNAMICSTRUCT 0x80000000
/* The maximum number of blocks to scan for a bbt */
#define NAND_BBT_SCAN_MAXBLOCKS 4
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 2541fb848daa..9f5b312af783 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -21,7 +21,6 @@
#define __MTD_MTD_H__
#include <linux/types.h>
-#include <linux/module.h>
#include <linux/uio.h>
#include <linux/notifier.h>
#include <linux/device.h>
@@ -33,17 +32,19 @@
#define MTD_CHAR_MAJOR 90
#define MTD_BLOCK_MAJOR 31
-#define MTD_ERASE_PENDING 0x01
+#define MTD_ERASE_PENDING 0x01
#define MTD_ERASING 0x02
#define MTD_ERASE_SUSPEND 0x04
-#define MTD_ERASE_DONE 0x08
-#define MTD_ERASE_FAILED 0x10
+#define MTD_ERASE_DONE 0x08
+#define MTD_ERASE_FAILED 0x10
#define MTD_FAIL_ADDR_UNKNOWN -1LL
-/* If the erase fails, fail_addr might indicate exactly which block failed. If
- fail_addr = MTD_FAIL_ADDR_UNKNOWN, the failure was not at the device level or was not
- specific to any particular block. */
+/*
+ * If the erase fails, fail_addr might indicate exactly which block failed. If
+ * fail_addr = MTD_FAIL_ADDR_UNKNOWN, the failure was not at the device level
+ * or was not specific to any particular block.
+ */
struct erase_info {
struct mtd_info *mtd;
uint64_t addr;
@@ -60,26 +61,12 @@ struct erase_info {
};
struct mtd_erase_region_info {
- uint64_t offset; /* At which this region starts, from the beginning of the MTD */
+ uint64_t offset; /* At which this region starts, from the beginning of the MTD */
uint32_t erasesize; /* For this region */
uint32_t numblocks; /* Number of blocks of erasesize in this region */
unsigned long *lockmap; /* If keeping bitmap of locks */
};
-/*
- * oob operation modes
- *
- * MTD_OOB_PLACE: oob data are placed at the given offset
- * MTD_OOB_AUTO: oob data are automatically placed at the free areas
- * which are defined by the ecclayout
- * MTD_OOB_RAW: mode to read oob and data without doing ECC checking
- */
-typedef enum {
- MTD_OOB_PLACE,
- MTD_OOB_AUTO,
- MTD_OOB_RAW,
-} mtd_oob_mode_t;
-
/**
* struct mtd_oob_ops - oob operation operands
* @mode: operation mode
@@ -91,7 +78,7 @@ typedef enum {
* @ooblen: number of oob bytes to write/read
* @oobretlen: number of oob bytes written/read
* @ooboffs: offset of oob data in the oob area (only relevant when
- * mode = MTD_OOB_PLACE)
+ * mode = MTD_OPS_PLACE_OOB or MTD_OPS_RAW)
* @datbuf: data buffer - if NULL only oob data are read/written
* @oobbuf: oob data buffer
*
@@ -100,7 +87,7 @@ typedef enum {
* OOB area.
*/
struct mtd_oob_ops {
- mtd_oob_mode_t mode;
+ unsigned int mode;
size_t len;
size_t retlen;
size_t ooblen;
@@ -125,6 +112,8 @@ struct nand_ecclayout {
struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES_LARGE];
};
+struct module; /* only needed for owner field in mtd_info */
+
struct mtd_info {
u_char type;
uint32_t flags;
@@ -172,7 +161,7 @@ struct mtd_info {
const char *name;
int index;
- /* ecc layout structure pointer - read only ! */
+ /* ECC layout structure pointer - read only! */
struct nand_ecclayout *ecclayout;
/* Data for variable erase regions. If numeraseregions is zero,
@@ -323,10 +312,15 @@ static inline uint32_t mtd_mod_by_ws(uint64_t sz, struct mtd_info *mtd)
/* Kernel-side ioctl definitions */
struct mtd_partition;
-
-extern int mtd_device_register(struct mtd_info *master,
- const struct mtd_partition *parts,
- int nr_parts);
+struct mtd_part_parser_data;
+
+extern int mtd_device_parse_register(struct mtd_info *mtd,
+ const char **part_probe_types,
+ struct mtd_part_parser_data *parser_data,
+ const struct mtd_partition *defparts,
+ int defnr_parts);
+#define mtd_device_register(master, parts, nr_parts) \
+ mtd_device_parse_register(master, NULL, NULL, parts, nr_parts)
extern int mtd_device_unregister(struct mtd_info *master);
extern struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num);
extern int __get_mtd_device(struct mtd_info *mtd);
@@ -355,27 +349,16 @@ void *mtd_kmalloc_up_to(const struct mtd_info *mtd, size_t *size);
void mtd_erase_callback(struct erase_info *instr);
-/*
- * Debugging macro and defines
- */
-#define MTD_DEBUG_LEVEL0 (0) /* Quiet */
-#define MTD_DEBUG_LEVEL1 (1) /* Audible */
-#define MTD_DEBUG_LEVEL2 (2) /* Loud */
-#define MTD_DEBUG_LEVEL3 (3) /* Noisy */
-
-#ifdef CONFIG_MTD_DEBUG
-#define DEBUG(n, args...) \
- do { \
- if (n <= CONFIG_MTD_DEBUG_VERBOSE) \
- printk(KERN_INFO args); \
- } while(0)
-#else /* CONFIG_MTD_DEBUG */
-#define DEBUG(n, args...) \
- do { \
- if (0) \
- printk(KERN_INFO args); \
- } while(0)
-
-#endif /* CONFIG_MTD_DEBUG */
+static inline int mtd_is_bitflip(int err) {
+ return err == -EUCLEAN;
+}
+
+static inline int mtd_is_eccerr(int err) {
+ return err == -EBADMSG;
+}
+
+static inline int mtd_is_bitflip_or_eccerr(int err) {
+ return mtd_is_bitflip(err) || mtd_is_eccerr(err);
+}
#endif /* __MTD_MTD_H__ */
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index c2b9ac4fbc4a..904131bab501 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -42,10 +42,10 @@ extern void nand_release(struct mtd_info *mtd);
/* Internal helper for board drivers which need to override command function */
extern void nand_wait_ready(struct mtd_info *mtd);
-/* locks all blockes present in the device */
+/* locks all blocks present in the device */
extern int nand_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
-/* unlocks specified locked blockes */
+/* unlocks specified locked blocks */
extern int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
/* The maximum number of NAND chips in an array */
@@ -150,7 +150,7 @@ typedef enum {
#define NAND_ECC_READ 0
/* Reset Hardware ECC for write */
#define NAND_ECC_WRITE 1
-/* Enable Hardware ECC before syndrom is read back from flash */
+/* Enable Hardware ECC before syndrome is read back from flash */
#define NAND_ECC_READSYN 2
/* Bit mask for flags passed to do_nand_read_ecc */
@@ -163,7 +163,7 @@ typedef enum {
*/
/* Chip can not auto increment pages */
#define NAND_NO_AUTOINCR 0x00000001
-/* Buswitdh is 16 bit */
+/* Buswidth is 16 bit */
#define NAND_BUSWIDTH_16 0x00000002
/* Device supports partial programming without padding */
#define NAND_NO_PADDING 0x00000004
@@ -219,27 +219,15 @@ typedef enum {
#define NAND_CHIPOPTIONS_MSK (0x0000ffff & ~NAND_NO_AUTOINCR)
/* Non chip related options */
-/*
- * Use a flash based bad block table. OOB identifier is saved in OOB area.
- * This option is passed to the default bad block table function.
- */
-#define NAND_USE_FLASH_BBT 0x00010000
/* This option skips the bbt scan during initialization. */
-#define NAND_SKIP_BBTSCAN 0x00020000
+#define NAND_SKIP_BBTSCAN 0x00010000
/*
* This option is defined if the board driver allocates its own buffers
* (e.g. because it needs them DMA-coherent).
*/
-#define NAND_OWN_BUFFERS 0x00040000
+#define NAND_OWN_BUFFERS 0x00020000
/* Chip may not exist, so silence any errors in scan */
-#define NAND_SCAN_SILENT_NODEV 0x00080000
-/*
- * If passed additionally to NAND_USE_FLASH_BBT then BBT code will not touch
- * the OOB area.
- */
-#define NAND_USE_FLASH_BBT_NO_OOB 0x00800000
-/* Create an empty BBT with no vendor information if the BBT is available */
-#define NAND_CREATE_EMPTY_BBT 0x01000000
+#define NAND_SCAN_SILENT_NODEV 0x00040000
/* Options set by nand scan */
/* Nand scan has allocated controller struct */
@@ -331,27 +319,29 @@ struct nand_hw_control {
};
/**
- * struct nand_ecc_ctrl - Control structure for ecc
- * @mode: ecc mode
- * @steps: number of ecc steps per page
- * @size: data bytes per ecc step
- * @bytes: ecc bytes per step
- * @total: total number of ecc bytes per page
- * @prepad: padding information for syndrome based ecc generators
- * @postpad: padding information for syndrome based ecc generators
+ * struct nand_ecc_ctrl - Control structure for ECC
+ * @mode: ECC mode
+ * @steps: number of ECC steps per page
+ * @size: data bytes per ECC step
+ * @bytes: ECC bytes per step
+ * @total: total number of ECC bytes per page
+ * @prepad: padding information for syndrome based ECC generators
+ * @postpad: padding information for syndrome based ECC generators
* @layout: ECC layout control struct pointer
- * @priv: pointer to private ecc control data
- * @hwctl: function to control hardware ecc generator. Must only
+ * @priv: pointer to private ECC control data
+ * @hwctl: function to control hardware ECC generator. Must only
* be provided if an hardware ECC is available
- * @calculate: function for ecc calculation or readback from ecc hardware
- * @correct: function for ecc correction, matching to ecc generator (sw/hw)
+ * @calculate: function for ECC calculation or readback from ECC hardware
+ * @correct: function for ECC correction, matching to ECC generator (sw/hw)
* @read_page_raw: function to read a raw page without ECC
* @write_page_raw: function to write a raw page without ECC
- * @read_page: function to read a page according to the ecc generator
+ * @read_page: function to read a page according to the ECC generator
* requirements.
* @read_subpage: function to read parts of the page covered by ECC.
- * @write_page: function to write a page according to the ecc generator
+ * @write_page: function to write a page according to the ECC generator
* requirements.
+ * @write_oob_raw: function to write chip OOB data without ECC
+ * @read_oob_raw: function to read chip OOB data without ECC
* @read_oob: function to read chip OOB data
* @write_oob: function to write chip OOB data
*/
@@ -380,6 +370,10 @@ struct nand_ecc_ctrl {
uint32_t offs, uint32_t len, uint8_t *buf);
void (*write_page)(struct mtd_info *mtd, struct nand_chip *chip,
const uint8_t *buf);
+ int (*write_oob_raw)(struct mtd_info *mtd, struct nand_chip *chip,
+ int page);
+ int (*read_oob_raw)(struct mtd_info *mtd, struct nand_chip *chip,
+ int page, int sndcmd);
int (*read_oob)(struct mtd_info *mtd, struct nand_chip *chip, int page,
int sndcmd);
int (*write_oob)(struct mtd_info *mtd, struct nand_chip *chip,
@@ -388,8 +382,8 @@ struct nand_ecc_ctrl {
/**
* struct nand_buffers - buffer structure for read/write
- * @ecccalc: buffer for calculated ecc
- * @ecccode: buffer for ecc read from flash
+ * @ecccalc: buffer for calculated ECC
+ * @ecccode: buffer for ECC read from flash
* @databuf: buffer for data - dynamically sized
*
* Do not change the order of buffers. databuf and oobrbuf must be in
@@ -422,7 +416,7 @@ struct nand_buffers {
* mtd->oobsize, mtd->writesize and so on.
* @id_data contains the 8 bytes values of NAND_CMD_READID.
* Return with the bus width.
- * @dev_ready: [BOARDSPECIFIC] hardwarespecific function for accesing
+ * @dev_ready: [BOARDSPECIFIC] hardwarespecific function for accessing
* device ready/busy line. If set to NULL no access to
* ready/busy is available and the ready/busy information
* is read from the chip status register.
@@ -430,17 +424,17 @@ struct nand_buffers {
* commands to the chip.
* @waitfunc: [REPLACEABLE] hardwarespecific function for wait on
* ready.
- * @ecc: [BOARDSPECIFIC] ecc control ctructure
+ * @ecc: [BOARDSPECIFIC] ECC control structure
* @buffers: buffer structure for read/write
* @hwcontrol: platform-specific hardware control structure
- * @ops: oob operation operands
* @erase_cmd: [INTERN] erase command write function, selectable due
* to AND support.
* @scan_bbt: [REPLACEABLE] function to scan bad block table
* @chip_delay: [BOARDSPECIFIC] chip dependent delay for transferring
* data from array to read regs (tR).
* @state: [INTERN] the current state of the NAND device
- * @oob_poi: poison value buffer
+ * @oob_poi: "poison value buffer," used for laying out OOB data
+ * before writing
* @page_shift: [INTERN] number of address bits in a page (column
* address bits).
* @phys_erase_shift: [INTERN] number of address bits in a physical eraseblock
@@ -449,6 +443,9 @@ struct nand_buffers {
* @options: [BOARDSPECIFIC] various chip options. They can partly
* be set to inform nand_scan about special functionality.
* See the defines for further explanation.
+ * @bbt_options: [INTERN] bad block specific options. All options used
+ * here must come from bbm.h. By default, these options
+ * will be copied to the appropriate nand_bbt_descr's.
* @badblockpos: [INTERN] position of the bad block marker in the oob
* area.
* @badblockbits: [INTERN] number of bits to left-shift the bad block
@@ -464,7 +461,7 @@ struct nand_buffers {
* non 0 if ONFI supported.
* @onfi_params: [INTERN] holds the ONFI page parameter when ONFI is
* supported, 0 otherwise.
- * @ecclayout: [REPLACEABLE] the default ecc placement scheme
+ * @ecclayout: [REPLACEABLE] the default ECC placement scheme
* @bbt: [INTERN] bad block table pointer
* @bbt_td: [REPLACEABLE] bad block table descriptor for flash
* lookup.
@@ -472,9 +469,9 @@ struct nand_buffers {
* @badblock_pattern: [REPLACEABLE] bad block scan pattern used for initial
* bad block scan.
* @controller: [REPLACEABLE] a pointer to a hardware controller
- * structure which is shared among multiple independend
+ * structure which is shared among multiple independent
* devices.
- * @priv: [OPTIONAL] pointer to private chip date
+ * @priv: [OPTIONAL] pointer to private chip data
* @errstat: [OPTIONAL] hardware specific function to perform
* additional error status checks (determine if errors are
* correctable).
@@ -509,6 +506,7 @@ struct nand_chip {
int chip_delay;
unsigned int options;
+ unsigned int bbt_options;
int page_shift;
int phys_erase_shift;
@@ -536,8 +534,6 @@ struct nand_chip {
struct nand_buffers *buffers;
struct nand_hw_control hwcontrol;
- struct mtd_oob_ops ops;
-
uint8_t *bbt;
struct nand_bbt_descr *bbt_td;
struct nand_bbt_descr *bbt_md;
@@ -611,10 +607,9 @@ extern int nand_do_read(struct mtd_info *mtd, loff_t from, size_t len,
* @partitions: mtd partition list
* @chip_delay: R/B delay value in us
* @options: Option flags, e.g. 16bit buswidth
- * @ecclayout: ecc layout info structure
+ * @bbt_options: BBT option flags, e.g. NAND_BBT_USE_FLASH
+ * @ecclayout: ECC layout info structure
* @part_probe_types: NULL-terminated array of probe types
- * @set_parts: platform specific function to set partitions
- * @priv: hardware controller specific settings
*/
struct platform_nand_chip {
int nr_chips;
@@ -624,9 +619,8 @@ struct platform_nand_chip {
struct nand_ecclayout *ecclayout;
int chip_delay;
unsigned int options;
+ unsigned int bbt_options;
const char **part_probe_types;
- void (*set_parts)(uint64_t size, struct platform_nand_chip *chip);
- void *priv;
};
/* Keep gcc happy */
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index 52b6f187bf49..4596503c9da9 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -184,6 +184,9 @@ struct onenand_chip {
#define ONENAND_IS_CACHE_PROGRAM(this) \
(this->options & ONENAND_HAS_CACHE_PROGRAM)
+#define ONENAND_IS_NOP_1(this) \
+ (this->options & ONENAND_HAS_NOP_1)
+
/* Check byte access in OneNAND */
#define ONENAND_CHECK_BYTE_ACCESS(addr) (addr & 0x1)
@@ -195,6 +198,7 @@ struct onenand_chip {
#define ONENAND_HAS_2PLANE (0x0004)
#define ONENAND_HAS_4KB_PAGE (0x0008)
#define ONENAND_HAS_CACHE_PROGRAM (0x0010)
+#define ONENAND_HAS_NOP_1 (0x0020)
#define ONENAND_SKIP_UNLOCK_CHECK (0x0100)
#define ONENAND_PAGEBUF_ALLOC (0x1000)
#define ONENAND_OOBBUF_ALLOC (0x2000)
diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h
index 3a6f0372fc96..2475228c1158 100644
--- a/include/linux/mtd/partitions.h
+++ b/include/linux/mtd/partitions.h
@@ -24,7 +24,9 @@
* will extend to the end of the master MTD device.
* offset: absolute starting position within the master MTD device; if
* defined as MTDPART_OFS_APPEND, the partition will start where the
- * previous one ended; if MTDPART_OFS_NXTBLK, at the next erase block.
+ * previous one ended; if MTDPART_OFS_NXTBLK, at the next erase block;
+ * if MTDPART_OFS_RETAIN, consume as much as possible, leaving size
+ * after the end of partition.
* mask_flags: contains flags that have to be masked (removed) from the
* master MTD flag set for the corresponding MTD partition.
* For example, to force a read-only partition, simply adding
@@ -42,12 +44,25 @@ struct mtd_partition {
struct nand_ecclayout *ecclayout; /* out of band layout for this partition (NAND only) */
};
+#define MTDPART_OFS_RETAIN (-3)
#define MTDPART_OFS_NXTBLK (-2)
#define MTDPART_OFS_APPEND (-1)
#define MTDPART_SIZ_FULL (0)
struct mtd_info;
+struct device_node;
+
+/**
+ * struct mtd_part_parser_data - used to pass data to MTD partition parsers.
+ * @origin: for RedBoot, start address of MTD device
+ * @of_node: for OF parsers, device node containing partitioning information
+ */
+struct mtd_part_parser_data {
+ unsigned long origin;
+ struct device_node *of_node;
+};
+
/*
* Functions dealing with the various ways of partitioning the space
@@ -57,37 +72,12 @@ struct mtd_part_parser {
struct list_head list;
struct module *owner;
const char *name;
- int (*parse_fn)(struct mtd_info *, struct mtd_partition **, unsigned long);
+ int (*parse_fn)(struct mtd_info *, struct mtd_partition **,
+ struct mtd_part_parser_data *);
};
extern int register_mtd_parser(struct mtd_part_parser *parser);
extern int deregister_mtd_parser(struct mtd_part_parser *parser);
-extern int parse_mtd_partitions(struct mtd_info *master, const char **types,
- struct mtd_partition **pparts, unsigned long origin);
-
-#define put_partition_parser(p) do { module_put((p)->owner); } while(0)
-
-struct device;
-struct device_node;
-
-#ifdef CONFIG_MTD_OF_PARTS
-int __devinit of_mtd_parse_partitions(struct device *dev,
- struct device_node *node,
- struct mtd_partition **pparts);
-#else
-static inline int of_mtd_parse_partitions(struct device *dev,
- struct device_node *node,
- struct mtd_partition **pparts)
-{
- return 0;
-}
-#endif
-
-#ifdef CONFIG_MTD_CMDLINE_PARTS
-static inline int mtd_has_cmdlinepart(void) { return 1; }
-#else
-static inline int mtd_has_cmdlinepart(void) { return 0; }
-#endif
int mtd_is_partition(struct mtd_info *mtd);
int mtd_add_partition(struct mtd_info *master, char *name,
diff --git a/include/linux/mtd/physmap.h b/include/linux/mtd/physmap.h
index e5f21d293c70..04e018160e2b 100644
--- a/include/linux/mtd/physmap.h
+++ b/include/linux/mtd/physmap.h
@@ -32,21 +32,4 @@ struct physmap_flash_data {
struct mtd_partition *parts;
};
-/*
- * Board needs to specify the exact mapping during their setup time.
- */
-void physmap_configure(unsigned long addr, unsigned long size,
- int bankwidth, void (*set_vpp)(struct map_info *, int) );
-
-/*
- * Machines that wish to do flash partition may want to call this function in
- * their setup routine.
- *
- * physmap_set_partitions(mypartitions, num_parts);
- *
- * Note that one can always override this hard-coded partition with
- * command line partition (you need to enable CONFIG_MTD_CMDLINE_PARTS).
- */
-void physmap_set_partitions(struct mtd_partition *parts, int num_parts);
-
#endif /* __LINUX_MTD_PHYSMAP__ */
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 60a137b7f171..ab2c6343361a 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -229,6 +229,7 @@ struct nfs_inode {
#define NFS_INO_COMMIT (7) /* inode is committing unstable writes */
#define NFS_INO_PNFS_COMMIT (8) /* use pnfs code for commit */
#define NFS_INO_LAYOUTCOMMIT (9) /* layoutcommit required */
+#define NFS_INO_LAYOUTCOMMITTING (10) /* layoutcommit inflight */
static inline struct nfs_inode *NFS_I(const struct inode *inode)
{
diff --git a/include/linux/of.h b/include/linux/of.h
index f01ba8a209c0..4948552d60f5 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -23,6 +23,7 @@
#include <linux/spinlock.h>
#include <asm/byteorder.h>
+#include <asm/errno.h>
typedef u32 phandle;
typedef u32 ihandle;
@@ -321,6 +322,16 @@ static inline struct device_node *of_parse_phandle(struct device_node *np,
return NULL;
}
+static inline int of_alias_get_id(struct device_node *np, const char *stem)
+{
+ return -ENOSYS;
+}
+
+static inline int of_machine_is_compatible(const char *compat)
+{
+ return 0;
+}
+
#define of_match_ptr(_ptr) NULL
#define of_match_node(_matches, _node) NULL
#endif /* CONFIG_OF */
diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h
index 5a6f458a4bb7..040ce2f6e8de 100644
--- a/include/linux/of_platform.h
+++ b/include/linux/of_platform.h
@@ -12,7 +12,6 @@
*/
#ifdef CONFIG_OF_DEVICE
-#include <linux/module.h>
#include <linux/device.h>
#include <linux/mod_devicetable.h>
#include <linux/pm.h>
diff --git a/include/linux/opp.h b/include/linux/opp.h
index 87a9208f8aec..ee94b33080c2 100644
--- a/include/linux/opp.h
+++ b/include/linux/opp.h
@@ -97,11 +97,11 @@ static inline int opp_disable(struct device *dev, unsigned long freq)
return 0;
}
-struct srcu_notifier_head *opp_get_notifier(struct device *dev)
+static inline struct srcu_notifier_head *opp_get_notifier(struct device *dev)
{
return ERR_PTR(-EINVAL);
}
-#endif /* CONFIG_PM */
+#endif /* CONFIG_PM_OPP */
#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_PM_OPP)
int opp_init_cpufreq_table(struct device *dev,
diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h
index 5d09cbafa7db..45fc162cbdc0 100644
--- a/include/linux/pci_hotplug.h
+++ b/include/linux/pci_hotplug.h
@@ -132,13 +132,9 @@ extern int pci_hp_deregister(struct hotplug_slot *slot);
extern int __must_check pci_hp_change_slot_info (struct hotplug_slot *slot,
struct hotplug_slot_info *info);
-static inline int pci_hp_register(struct hotplug_slot *slot,
- struct pci_bus *pbus,
- int devnr, const char *name)
-{
- return __pci_hp_register(slot, pbus, devnr, name,
- THIS_MODULE, KBUILD_MODNAME);
-}
+/* use a define to avoid include chaining to get THIS_MODULE & friends */
+#define pci_hp_register(slot, pbus, devnr, name) \
+ __pci_hp_register(slot, pbus, devnr, name, THIS_MODULE, KBUILD_MODNAME)
/* PCI Setting Record (Type 0) */
struct hpp_type0 {
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 1679ff6931f9..3fdf251389de 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2873,3 +2873,5 @@
#define PCI_VENDOR_ID_XEN 0x5853
#define PCI_DEVICE_ID_XEN_PLATFORM 0x0001
+
+#define PCI_VENDOR_ID_OCZ 0x1b85
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index 70b284024d9e..d8d903619642 100644
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -10,6 +10,7 @@
#define _LINUX_PM_RUNTIME_H
#include <linux/device.h>
+#include <linux/notifier.h>
#include <linux/pm.h>
#include <linux/jiffies.h>
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 3daac2d8dc37..690276a642cf 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -15,8 +15,8 @@
#include <linux/device.h>
#include <linux/list.h>
-#include <linux/module.h>
+struct module;
struct i2c_client;
struct spi_device;
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 12a1aa04b720..52c89ae32f64 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -16,6 +16,7 @@
#define __LINUX_REGULATOR_DRIVER_H_
#include <linux/device.h>
+#include <linux/notifier.h>
#include <linux/regulator/consumer.h>
struct regulator_dev;
diff --git a/include/linux/sched.h b/include/linux/sched.h
index e8acce717d2a..68daf4f27e2c 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1522,6 +1522,13 @@ struct task_struct {
int make_it_fail;
#endif
struct prop_local_single dirties;
+ /*
+ * when (nr_dirtied >= nr_dirtied_pause), it's time to call
+ * balance_dirty_pages() for some dirty throttling pause
+ */
+ int nr_dirtied;
+ int nr_dirtied_pause;
+
#ifdef CONFIG_LATENCYTOP
int latency_record_count;
struct latency_record latency_record[LT_SAVECOUNT];
diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h
index 5f3939c67dd8..369273a52679 100644
--- a/include/linux/serial_sci.h
+++ b/include/linux/serial_sci.h
@@ -132,8 +132,6 @@ struct plat_sci_port {
struct plat_sci_port_ops *ops;
- struct device *dma_dev;
-
unsigned int dma_slave_tx;
unsigned int dma_slave_rx;
};
diff --git a/include/linux/serio.h b/include/linux/serio.h
index be7dfb0f12d0..ca82861b0e46 100644
--- a/include/linux/serio.h
+++ b/include/linux/serio.h
@@ -79,19 +79,21 @@ void serio_reconnect(struct serio *serio);
irqreturn_t serio_interrupt(struct serio *serio, unsigned char data, unsigned int flags);
void __serio_register_port(struct serio *serio, struct module *owner);
-static inline void serio_register_port(struct serio *serio)
-{
- __serio_register_port(serio, THIS_MODULE);
-}
+
+/* use a define to avoid include chaining to get THIS_MODULE */
+#define serio_register_port(serio) \
+ __serio_register_port(serio, THIS_MODULE)
void serio_unregister_port(struct serio *serio);
void serio_unregister_child_port(struct serio *serio);
-int __serio_register_driver(struct serio_driver *drv, struct module *owner, const char *mod_name);
-static inline int __must_check serio_register_driver(struct serio_driver *drv)
-{
- return __serio_register_driver(drv, THIS_MODULE, KBUILD_MODNAME);
-}
+int __must_check __serio_register_driver(struct serio_driver *drv,
+ struct module *owner, const char *mod_name);
+
+/* use a define to avoid include chaining to get THIS_MODULE & friends */
+#define serio_register_driver(drv) \
+ __serio_register_driver(drv, THIS_MODULE, KBUILD_MODNAME)
+
void serio_unregister_driver(struct serio_driver *drv);
static inline int serio_write(struct serio *serio, unsigned char data)
diff --git a/include/linux/sh_clk.h b/include/linux/sh_clk.h
index 3ccf18648d0a..a20831cf336a 100644
--- a/include/linux/sh_clk.h
+++ b/include/linux/sh_clk.h
@@ -52,7 +52,6 @@ struct clk {
unsigned long arch_flags;
void *priv;
- struct dentry *dentry;
struct clk_mapping *mapping;
struct cpufreq_frequency_table *freq_table;
unsigned int nr_freqs;
@@ -94,6 +93,9 @@ int clk_rate_table_find(struct clk *clk,
long clk_rate_div_range_round(struct clk *clk, unsigned int div_min,
unsigned int div_max, unsigned long rate);
+long clk_rate_mult_range_round(struct clk *clk, unsigned int mult_min,
+ unsigned int mult_max, unsigned long rate);
+
long clk_round_parent(struct clk *clk, unsigned long target,
unsigned long *best_freq, unsigned long *parent_freq,
unsigned int div_min, unsigned int div_max);
diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h
index f10ed7b4a714..061e560251b4 100644
--- a/include/linux/ssb/ssb.h
+++ b/include/linux/ssb/ssb.h
@@ -231,10 +231,9 @@ struct ssb_driver {
#define drv_to_ssb_drv(_drv) container_of(_drv, struct ssb_driver, drv)
extern int __ssb_driver_register(struct ssb_driver *drv, struct module *owner);
-static inline int ssb_driver_register(struct ssb_driver *drv)
-{
- return __ssb_driver_register(drv, THIS_MODULE);
-}
+#define ssb_driver_register(drv) \
+ __ssb_driver_register(drv, THIS_MODULE)
+
extern void ssb_driver_unregister(struct ssb_driver *drv);
diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h
index 2d04ea916760..c170edc3bf5f 100644
--- a/include/linux/stop_machine.h
+++ b/include/linux/stop_machine.h
@@ -3,6 +3,7 @@
#include <linux/cpu.h>
#include <linux/cpumask.h>
+#include <linux/smp.h>
#include <linux/list.h>
#include <asm/system.h>
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 492486a74484..3d8f9c44e27d 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -136,6 +136,8 @@ void rpc_shutdown_client(struct rpc_clnt *);
void rpc_release_client(struct rpc_clnt *);
void rpc_task_release_client(struct rpc_task *);
+int rpcb_create_local(void);
+void rpcb_put_local(void);
int rpcb_register(u32, u32, int, unsigned short);
int rpcb_v4_register(const u32 program, const u32 version,
const struct sockaddr *address,
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index d8d5d93071b3..35b37b1e9299 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -413,6 +413,7 @@ struct svc_procedure {
/*
* Function prototypes.
*/
+void svc_rpcb_cleanup(struct svc_serv *serv);
struct svc_serv *svc_create(struct svc_program *, unsigned int,
void (*shutdown)(struct svc_serv *));
struct svc_rqst *svc_prepare_thread(struct svc_serv *serv,
diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h
index 7ad9751a0d87..8620f79658d4 100644
--- a/include/linux/sunrpc/svc_xprt.h
+++ b/include/linux/sunrpc/svc_xprt.h
@@ -8,7 +8,8 @@
#define SUNRPC_SVC_XPRT_H
#include <linux/sunrpc/svc.h>
-#include <linux/module.h>
+
+struct module;
struct svc_xprt_ops {
struct svc_xprt *(*xpo_create)(struct svc_serv *,
diff --git a/include/linux/sysdev.h b/include/linux/sysdev.h
index d35e783a598c..20f63d3e6144 100644
--- a/include/linux/sysdev.h
+++ b/include/linux/sysdev.h
@@ -22,7 +22,6 @@
#define _SYSDEV_H_
#include <linux/kobject.h>
-#include <linux/module.h>
#include <linux/pm.h>
diff --git a/include/linux/textsearch.h b/include/linux/textsearch.h
index d9a85d616385..cfaee869146f 100644
--- a/include/linux/textsearch.h
+++ b/include/linux/textsearch.h
@@ -4,10 +4,11 @@
#include <linux/types.h>
#include <linux/list.h>
#include <linux/kernel.h>
-#include <linux/module.h>
#include <linux/err.h>
#include <linux/slab.h>
+struct module;
+
struct ts_config;
#define TS_AUTOLOAD 1 /* Automatically load textsearch modules when needed */
diff --git a/include/linux/topology.h b/include/linux/topology.h
index fc839bfa7935..e26db031303b 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -201,6 +201,10 @@ int arch_update_cpu_topology(void);
.balance_interval = 64, \
}
+#ifndef SD_NODES_PER_DOMAIN
+#define SD_NODES_PER_DOMAIN 16
+#endif
+
#ifdef CONFIG_SCHED_BOOK
#ifndef SD_BOOK_INIT
#error Please define an appropriate SD_BOOK_INIT in include/asm/topology.h!!!
diff --git a/include/linux/uio_driver.h b/include/linux/uio_driver.h
index fd99ff9298c6..1ad4724458de 100644
--- a/include/linux/uio_driver.h
+++ b/include/linux/uio_driver.h
@@ -14,10 +14,10 @@
#ifndef _UIO_DRIVER_H_
#define _UIO_DRIVER_H_
-#include <linux/module.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
+struct module;
struct uio_map;
/**
@@ -101,11 +101,11 @@ extern int __must_check
__uio_register_device(struct module *owner,
struct device *parent,
struct uio_info *info);
-static inline int __must_check
- uio_register_device(struct device *parent, struct uio_info *info)
-{
- return __uio_register_device(THIS_MODULE, parent, info);
-}
+
+/* use a define to avoid include chaining to get THIS_MODULE */
+#define uio_register_device(parent, info) \
+ __uio_register_device(THIS_MODULE, parent, info)
+
extern void uio_unregister_device(struct uio_info *info);
extern void uio_event_notify(struct uio_info *info);
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 6f49a1b39fa6..d3d0c1374334 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -946,10 +946,11 @@ struct usb_class_driver {
*/
extern int usb_register_driver(struct usb_driver *, struct module *,
const char *);
-static inline int usb_register(struct usb_driver *driver)
-{
- return usb_register_driver(driver, THIS_MODULE, KBUILD_MODNAME);
-}
+
+/* use a define to avoid include chaining to get THIS_MODULE & friends */
+#define usb_register(driver) \
+ usb_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
+
extern void usb_deregister(struct usb_driver *);
extern int usb_register_device_driver(struct usb_device_driver *,
diff --git a/include/linux/uwb.h b/include/linux/uwb.h
index b0c564ec2160..7dbbee9741b7 100644
--- a/include/linux/uwb.h
+++ b/include/linux/uwb.h
@@ -33,6 +33,7 @@
#include <linux/wait.h>
#include <linux/workqueue.h>
#include <linux/uwb/spec.h>
+#include <asm/page.h>
struct uwb_dev;
struct uwb_beca_e;
diff --git a/include/linux/uwb/umc.h b/include/linux/uwb/umc.h
index 7b4842028ca7..891d1d5f3947 100644
--- a/include/linux/uwb/umc.h
+++ b/include/linux/uwb/umc.h
@@ -111,10 +111,9 @@ int __must_check __umc_driver_register(struct umc_driver *umc_drv,
* umc_driver_register - register a UMC capabiltity driver.
* @umc_drv: pointer to the driver.
*/
-static inline int __must_check umc_driver_register(struct umc_driver *umc_drv)
-{
- return __umc_driver_register(umc_drv, THIS_MODULE, KBUILD_MODNAME);
-}
+#define umc_driver_register(umc_drv) \
+ __umc_driver_register(umc_drv, THIS_MODULE, KBUILD_MODNAME)
+
void umc_driver_unregister(struct umc_driver *umc_drv);
/*
diff --git a/include/linux/vermagic.h b/include/linux/vermagic.h
index cf97b5b9d1fe..6f8fbcf10dfb 100644
--- a/include/linux/vermagic.h
+++ b/include/linux/vermagic.h
@@ -1,5 +1,4 @@
#include <generated/utsrelease.h>
-#include <linux/module.h>
/* Simply sanity version stamp for modules. */
#ifdef CONFIG_SMP
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 225560c1a10f..4b752d5ee80e 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -653,6 +653,10 @@ struct v4l2_buffer {
#define V4L2_BUF_FLAG_ERROR 0x0040
#define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */
#define V4L2_BUF_FLAG_INPUT 0x0200 /* input field is valid */
+#define V4L2_BUF_FLAG_PREPARED 0x0400 /* Buffer is prepared for queuing */
+/* Cache handling flags */
+#define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x0800
+#define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x1000
/*
* O V E R L A Y P R E V I E W
@@ -1165,6 +1169,7 @@ enum v4l2_power_line_frequency {
V4L2_CID_POWER_LINE_FREQUENCY_DISABLED = 0,
V4L2_CID_POWER_LINE_FREQUENCY_50HZ = 1,
V4L2_CID_POWER_LINE_FREQUENCY_60HZ = 2,
+ V4L2_CID_POWER_LINE_FREQUENCY_AUTO = 3,
};
#define V4L2_CID_HUE_AUTO (V4L2_CID_BASE+25)
#define V4L2_CID_WHITE_BALANCE_TEMPERATURE (V4L2_CID_BASE+26)
@@ -2138,6 +2143,23 @@ struct v4l2_dbg_chip_ident {
__u32 revision; /* chip revision, chip specific */
} __attribute__ ((packed));
+/**
+ * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
+ * @index: on return, index of the first created buffer
+ * @count: entry: number of requested buffers,
+ * return: number of created buffers
+ * @memory: buffer memory type
+ * @format: frame format, for which buffers are requested
+ * @reserved: future extensions
+ */
+struct v4l2_create_buffers {
+ __u32 index;
+ __u32 count;
+ enum v4l2_memory memory;
+ struct v4l2_format format;
+ __u32 reserved[8];
+};
+
/*
* I O C T L C O D E S F O R V I D E O D E V I C E S
*
@@ -2228,6 +2250,11 @@ struct v4l2_dbg_chip_ident {
#define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
#define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
+/* Experimental, the below two ioctls may change over the next couple of kernel
+ versions */
+#define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
+#define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
+
/* Reminder: when adding new ioctls please add support for them to
drivers/media/video/v4l2-compat-ioctl32.c as well! */
diff --git a/include/linux/vlynq.h b/include/linux/vlynq.h
index 8f6a95882b09..017d4a53d55e 100644
--- a/include/linux/vlynq.h
+++ b/include/linux/vlynq.h
@@ -20,9 +20,10 @@
#define __VLYNQ_H__
#include <linux/device.h>
-#include <linux/module.h>
#include <linux/types.h>
+struct module;
+
#define VLYNQ_NUM_IRQS 32
struct vlynq_mapping {
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 2b8963ff0f35..a378c295851f 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -39,6 +39,23 @@ enum writeback_sync_modes {
};
/*
+ * why some writeback work was initiated
+ */
+enum wb_reason {
+ WB_REASON_BACKGROUND,
+ WB_REASON_TRY_TO_FREE_PAGES,
+ WB_REASON_SYNC,
+ WB_REASON_PERIODIC,
+ WB_REASON_LAPTOP_TIMER,
+ WB_REASON_FREE_MORE_MEM,
+ WB_REASON_FS_FREE_SPACE,
+ WB_REASON_FORKER_THREAD,
+
+ WB_REASON_MAX,
+};
+extern const char *wb_reason_name[];
+
+/*
* A control structure which tells the writeback code what to do. These are
* always on the stack, and hence need no locking. They are always initialised
* in a manner such that unspecified fields are set to zero.
@@ -69,14 +86,17 @@ struct writeback_control {
*/
struct bdi_writeback;
int inode_wait(void *);
-void writeback_inodes_sb(struct super_block *);
-void writeback_inodes_sb_nr(struct super_block *, unsigned long nr);
-int writeback_inodes_sb_if_idle(struct super_block *);
-int writeback_inodes_sb_nr_if_idle(struct super_block *, unsigned long nr);
+void writeback_inodes_sb(struct super_block *, enum wb_reason reason);
+void writeback_inodes_sb_nr(struct super_block *, unsigned long nr,
+ enum wb_reason reason);
+int writeback_inodes_sb_if_idle(struct super_block *, enum wb_reason reason);
+int writeback_inodes_sb_nr_if_idle(struct super_block *, unsigned long nr,
+ enum wb_reason reason);
void sync_inodes_sb(struct super_block *);
-long writeback_inodes_wb(struct bdi_writeback *wb, long nr_pages);
+long writeback_inodes_wb(struct bdi_writeback *wb, long nr_pages,
+ enum wb_reason reason);
long wb_do_writeback(struct bdi_writeback *wb, int force_wait);
-void wakeup_flusher_threads(long nr_pages);
+void wakeup_flusher_threads(long nr_pages, enum wb_reason reason);
/* writeback.h requires fs.h; it, too, is not included from here. */
static inline void wait_on_inode(struct inode *inode)
@@ -143,6 +163,7 @@ unsigned long bdi_dirty_limit(struct backing_dev_info *bdi,
void __bdi_update_bandwidth(struct backing_dev_info *bdi,
unsigned long thresh,
+ unsigned long bg_thresh,
unsigned long dirty,
unsigned long bdi_thresh,
unsigned long bdi_dirty,