summaryrefslogtreecommitdiffstats
path: root/include/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/bio.h23
-rw-r--r--include/linux/blk-cgroup.h4
-rw-r--r--include/linux/blk-mq.h3
-rw-r--r--include/linux/blk_types.h24
-rw-r--r--include/linux/blkdev.h34
-rw-r--r--include/linux/blktrace_api.h5
-rw-r--r--include/linux/bvec.h20
-rw-r--r--include/linux/fs.h5
-rw-r--r--include/linux/genhd.h127
-rw-r--r--include/linux/ide.h3
-rw-r--r--include/linux/part_stat.h45
-rw-r--r--include/linux/sbitmap.h5
12 files changed, 132 insertions, 166 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index c6d765382926..1edda614f7ce 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -148,11 +148,24 @@ static inline void bio_advance_iter(const struct bio *bio,
/* TODO: It is reasonable to complete bio with error here. */
}
+/* @bytes should be less or equal to bvec[i->bi_idx].bv_len */
+static inline void bio_advance_iter_single(const struct bio *bio,
+ struct bvec_iter *iter,
+ unsigned int bytes)
+{
+ iter->bi_sector += bytes >> 9;
+
+ if (bio_no_advance_iter(bio))
+ iter->bi_size -= bytes;
+ else
+ bvec_iter_advance_single(bio->bi_io_vec, iter, bytes);
+}
+
#define __bio_for_each_segment(bvl, bio, iter, start) \
for (iter = (start); \
(iter).bi_size && \
((bvl = bio_iter_iovec((bio), (iter))), 1); \
- bio_advance_iter((bio), &(iter), (bvl).bv_len))
+ bio_advance_iter_single((bio), &(iter), (bvl).bv_len))
#define bio_for_each_segment(bvl, bio, iter) \
__bio_for_each_segment(bvl, bio, iter, (bio)->bi_iter)
@@ -161,7 +174,7 @@ static inline void bio_advance_iter(const struct bio *bio,
for (iter = (start); \
(iter).bi_size && \
((bvl = mp_bvec_iter_bvec((bio)->bi_io_vec, (iter))), 1); \
- bio_advance_iter((bio), &(iter), (bvl).bv_len))
+ bio_advance_iter_single((bio), &(iter), (bvl).bv_len))
/* iterate over multi-page bvec */
#define bio_for_each_bvec(bvl, bio, iter) \
@@ -711,12 +724,6 @@ static inline bool bioset_initialized(struct bio_set *bs)
return bs->bio_slab != NULL;
}
-/*
- * a small number of entries is fine, not going to be performance critical.
- * basically we just need to survive
- */
-#define BIO_SPLIT_ENTRIES 2
-
#if defined(CONFIG_BLK_DEV_INTEGRITY)
#define bip_for_each_vec(bvl, bip, iter) \
diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h
index c8fc9792ac77..b9f3c246c3c9 100644
--- a/include/linux/blk-cgroup.h
+++ b/include/linux/blk-cgroup.h
@@ -197,12 +197,12 @@ void blkcg_print_blkgs(struct seq_file *sf, struct blkcg *blkcg,
u64 __blkg_prfill_u64(struct seq_file *sf, struct blkg_policy_data *pd, u64 v);
struct blkg_conf_ctx {
- struct gendisk *disk;
+ struct block_device *bdev;
struct blkcg_gq *blkg;
char *body;
};
-struct gendisk *blkcg_conf_get_disk(char **inputp);
+struct block_device *blkcg_conf_open_bdev(char **inputp);
int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol,
char *input, struct blkg_conf_ctx *ctx);
void blkg_conf_finish(struct blkg_conf_ctx *ctx);
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 794b2a33a2c3..5f639240760e 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -5,6 +5,7 @@
#include <linux/blkdev.h>
#include <linux/sbitmap.h>
#include <linux/srcu.h>
+#include <linux/lockdep.h>
struct blk_mq_tags;
struct blk_flush_queue;
@@ -594,5 +595,7 @@ static inline void blk_mq_cleanup_rq(struct request *rq)
}
blk_qc_t blk_mq_submit_bio(struct bio *bio);
+void blk_mq_hctx_set_fq_lock_class(struct blk_mq_hw_ctx *hctx,
+ struct lock_class_key *key);
#endif
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index d9b69bbde5cc..866f74261b3b 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -8,6 +8,7 @@
#include <linux/types.h>
#include <linux/bvec.h>
+#include <linux/device.h>
#include <linux/ktime.h>
struct bio_set;
@@ -20,21 +21,25 @@ typedef void (bio_end_io_t) (struct bio *);
struct bio_crypt_ctx;
struct block_device {
+ sector_t bd_start_sect;
+ struct disk_stats __percpu *bd_stats;
+ unsigned long bd_stamp;
+ bool bd_read_only; /* read-only policy */
dev_t bd_dev;
int bd_openers;
struct inode * bd_inode; /* will die */
struct super_block * bd_super;
struct mutex bd_mutex; /* open/close mutex */
void * bd_claiming;
+ struct device bd_device;
void * bd_holder;
int bd_holders;
bool bd_write_holder;
#ifdef CONFIG_SYSFS
struct list_head bd_holder_disks;
#endif
- struct block_device * bd_contains;
+ struct kobject *bd_holder_dir;
u8 bd_partno;
- struct hd_struct * bd_part;
/* number of times partitions within this device have been opened. */
unsigned bd_part_count;
@@ -46,8 +51,23 @@ struct block_device {
int bd_fsfreeze_count;
/* Mutex for freeze */
struct mutex bd_fsfreeze_mutex;
+ struct super_block *bd_fsfreeze_sb;
+
+ struct partition_meta_info *bd_meta_info;
+#ifdef CONFIG_FAIL_MAKE_REQUEST
+ bool bd_make_it_fail;
+#endif
} __randomize_layout;
+#define bdev_whole(_bdev) \
+ ((_bdev)->bd_disk->part0)
+
+#define dev_to_bdev(device) \
+ container_of((device), struct block_device, bd_device)
+
+#define bdev_kobj(_bdev) \
+ (&((_bdev)->bd_device.kobj))
+
/*
* Block error status values. See block/blk-core:blk_errors for the details.
* Alpha cannot write a byte atomically, so we need to use 32-bit value.
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 033eb5f73b65..070de09425ad 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -191,7 +191,7 @@ struct request {
};
struct gendisk *rq_disk;
- struct hd_struct *part;
+ struct block_device *part;
#ifdef CONFIG_BLK_RQ_ALLOC_TIME
/* Time that the first bio started allocating this request. */
u64 alloc_time_ns;
@@ -1491,7 +1491,7 @@ static inline int bdev_alignment_offset(struct block_device *bdev)
return -1;
if (bdev_is_partition(bdev))
return queue_limit_alignment_offset(&q->limits,
- bdev->bd_part->start_sect);
+ bdev->bd_start_sect);
return q->limits.alignment_offset;
}
@@ -1532,7 +1532,7 @@ static inline int bdev_discard_alignment(struct block_device *bdev)
if (bdev_is_partition(bdev))
return queue_limit_discard_alignment(&q->limits,
- bdev->bd_part->start_sect);
+ bdev->bd_start_sect);
return q->limits.discard_alignment;
}
@@ -1853,6 +1853,7 @@ struct block_device_operations {
void (*unlock_native_capacity) (struct gendisk *);
int (*revalidate_disk) (struct gendisk *);
int (*getgeo)(struct block_device *, struct hd_geometry *);
+ int (*set_read_only)(struct block_device *bdev, bool ro);
/* this callback is with swap_lock and sometimes page table lock held */
void (*swap_slot_free_notify) (struct block_device *, unsigned long);
int (*report_zones)(struct gendisk *, sector_t sector,
@@ -1869,8 +1870,6 @@ extern int blkdev_compat_ptr_ioctl(struct block_device *, fmode_t,
#define blkdev_compat_ptr_ioctl NULL
#endif
-extern int __blkdev_driver_ioctl(struct block_device *, fmode_t, unsigned int,
- unsigned long);
extern int bdev_read_page(struct block_device *, sector_t, struct page *);
extern int bdev_write_page(struct block_device *, sector_t, struct page *,
struct writeback_control *);
@@ -1947,9 +1946,9 @@ unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,
void disk_end_io_acct(struct gendisk *disk, unsigned int op,
unsigned long start_time);
-unsigned long part_start_io_acct(struct gendisk *disk, struct hd_struct **part,
- struct bio *bio);
-void part_end_io_acct(struct hd_struct *part, struct bio *bio,
+unsigned long part_start_io_acct(struct gendisk *disk,
+ struct block_device **part, struct bio *bio);
+void part_end_io_acct(struct block_device *part, struct bio *bio,
unsigned long start_time);
/**
@@ -1977,7 +1976,7 @@ int bdev_read_only(struct block_device *bdev);
int set_blocksize(struct block_device *bdev, int size);
const char *bdevname(struct block_device *bdev, char *buffer);
-struct block_device *lookup_bdev(const char *);
+int lookup_bdev(const char *pathname, dev_t *dev);
void blkdev_show(struct seq_file *seqf, off_t offset);
@@ -1992,14 +1991,17 @@ void blkdev_show(struct seq_file *seqf, off_t offset);
struct block_device *blkdev_get_by_path(const char *path, fmode_t mode,
void *holder);
struct block_device *blkdev_get_by_dev(dev_t dev, fmode_t mode, void *holder);
-int bd_prepare_to_claim(struct block_device *bdev, struct block_device *whole,
- void *holder);
-void bd_abort_claiming(struct block_device *bdev, struct block_device *whole,
- void *holder);
+int bd_prepare_to_claim(struct block_device *bdev, void *holder);
+void bd_abort_claiming(struct block_device *bdev, void *holder);
void blkdev_put(struct block_device *bdev, fmode_t mode);
+/* just for blk-cgroup, don't use elsewhere */
+struct block_device *blkdev_get_no_open(dev_t dev);
+void blkdev_put_no_open(struct block_device *bdev);
+
+struct block_device *bdev_alloc(struct gendisk *disk, u8 partno);
+void bdev_add(struct block_device *bdev, dev_t dev);
struct block_device *I_BDEV(struct inode *inode);
-struct block_device *bdget_part(struct hd_struct *part);
struct block_device *bdgrab(struct block_device *bdev);
void bdput(struct block_device *);
@@ -2024,7 +2026,7 @@ static inline int sync_blockdev(struct block_device *bdev)
#endif
int fsync_bdev(struct block_device *bdev);
-struct super_block *freeze_bdev(struct block_device *bdev);
-int thaw_bdev(struct block_device *bdev, struct super_block *sb);
+int freeze_bdev(struct block_device *bdev);
+int thaw_bdev(struct block_device *bdev);
#endif /* _LINUX_BLKDEV_H */
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 3b6ff5902edc..05556573b896 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -75,8 +75,7 @@ static inline bool blk_trace_note_message_enabled(struct request_queue *q)
return ret;
}
-extern void blk_add_driver_data(struct request_queue *q, struct request *rq,
- void *data, size_t len);
+extern void blk_add_driver_data(struct request *rq, void *data, size_t len);
extern int blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
struct block_device *bdev,
char __user *arg);
@@ -90,7 +89,7 @@ extern struct attribute_group blk_trace_attr_group;
#else /* !CONFIG_BLK_DEV_IO_TRACE */
# define blk_trace_ioctl(bdev, cmd, arg) (-ENOTTY)
# define blk_trace_shutdown(q) do { } while (0)
-# define blk_add_driver_data(q, rq, data, len) do {} while (0)
+# define blk_add_driver_data(rq, data, len) do {} while (0)
# define blk_trace_setup(q, name, dev, bdev, arg) (-ENOTTY)
# define blk_trace_startstop(q, start) (-ENOTTY)
# define blk_trace_remove(q) (-ENOTTY)
diff --git a/include/linux/bvec.h b/include/linux/bvec.h
index 2efec10bf792..ff832e698efb 100644
--- a/include/linux/bvec.h
+++ b/include/linux/bvec.h
@@ -121,18 +121,28 @@ static inline bool bvec_iter_advance(const struct bio_vec *bv,
return true;
}
-static inline void bvec_iter_skip_zero_bvec(struct bvec_iter *iter)
+/*
+ * A simpler version of bvec_iter_advance(), @bytes should not span
+ * across multiple bvec entries, i.e. bytes <= bv[i->bi_idx].bv_len
+ */
+static inline void bvec_iter_advance_single(const struct bio_vec *bv,
+ struct bvec_iter *iter, unsigned int bytes)
{
- iter->bi_bvec_done = 0;
- iter->bi_idx++;
+ unsigned int done = iter->bi_bvec_done + bytes;
+
+ if (done == bv[iter->bi_idx].bv_len) {
+ done = 0;
+ iter->bi_idx++;
+ }
+ iter->bi_bvec_done = done;
+ iter->bi_size -= bytes;
}
#define for_each_bvec(bvl, bio_vec, iter, start) \
for (iter = (start); \
(iter).bi_size && \
((bvl = bvec_iter_bvec((bio_vec), (iter))), 1); \
- (bvl).bv_len ? (void)bvec_iter_advance((bio_vec), &(iter), \
- (bvl).bv_len) : bvec_iter_skip_zero_bvec(&(iter)))
+ bvec_iter_advance_single((bio_vec), &(iter), (bvl).bv_len))
/* for iterating one bio from start to end */
#define BVEC_ITER_ALL_INIT (struct bvec_iter) \
diff --git a/include/linux/fs.h b/include/linux/fs.h
index afb42d1bd64d..59bba648147f 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -696,7 +696,6 @@ struct inode {
struct list_head i_devices;
union {
struct pipe_inode_info *i_pipe;
- struct block_device *i_bdev;
struct cdev *i_cdev;
char *i_link;
unsigned i_dir_seq;
@@ -1408,7 +1407,7 @@ enum {
struct sb_writers {
int frozen; /* Is sb frozen? */
- wait_queue_head_t wait_unfrozen; /* for get_super_thawed() */
+ wait_queue_head_t wait_unfrozen; /* wait for thaw */
struct percpu_rw_semaphore rw_sem[SB_FREEZE_LEVELS];
};
@@ -3131,8 +3130,6 @@ extern struct file_system_type *get_filesystem(struct file_system_type *fs);
extern void put_filesystem(struct file_system_type *fs);
extern struct file_system_type *get_fs_type(const char *name);
extern struct super_block *get_super(struct block_device *);
-extern struct super_block *get_super_thawed(struct block_device *);
-extern struct super_block *get_super_exclusive_thawed(struct block_device *bdev);
extern struct super_block *get_active_super(struct block_device *bdev);
extern void drop_super(struct super_block *sb);
extern void drop_super_exclusive(struct super_block *sb);
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 03da3f603d30..809aaa32d53c 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -19,11 +19,6 @@
#include <linux/blk_types.h>
#include <asm/local.h>
-#define dev_to_disk(device) container_of((device), struct gendisk, part0.__dev)
-#define dev_to_part(device) container_of((device), struct hd_struct, __dev)
-#define disk_to_dev(disk) (&(disk)->part0.__dev)
-#define part_to_dev(part) (&((part)->__dev))
-
extern const struct device_type disk_type;
extern struct device_type part_type;
extern struct class block_class;
@@ -50,31 +45,6 @@ struct partition_meta_info {
u8 volname[PARTITION_META_INFO_VOLNAMELTH];
};
-struct hd_struct {
- sector_t start_sect;
- /*
- * nr_sects is protected by sequence counter. One might extend a
- * partition while IO is happening to it and update of nr_sects
- * can be non-atomic on 32bit machines with 64bit sector_t.
- */
- sector_t nr_sects;
-#if BITS_PER_LONG==32 && defined(CONFIG_SMP)
- seqcount_t nr_sects_seq;
-#endif
- unsigned long stamp;
- struct disk_stats __percpu *dkstats;
- struct percpu_ref ref;
-
- struct device __dev;
- struct kobject *holder_dir;
- int policy, partno;
- struct partition_meta_info *info;
-#ifdef CONFIG_FAIL_MAKE_REQUEST
- int make_it_fail;
-#endif
- struct rcu_work rcu_work;
-};
-
/**
* DOC: genhd capability flags
*
@@ -149,8 +119,8 @@ enum {
struct disk_part_tbl {
struct rcu_head rcu_head;
int len;
- struct hd_struct __rcu *last_lookup;
- struct hd_struct __rcu *part[];
+ struct block_device __rcu *last_lookup;
+ struct block_device __rcu *part[];
};
struct disk_events;
@@ -184,7 +154,7 @@ struct gendisk {
* helpers.
*/
struct disk_part_tbl __rcu *part_tbl;
- struct hd_struct part0;
+ struct block_device *part0;
const struct block_device_operations *fops;
struct request_queue *queue;
@@ -193,7 +163,6 @@ struct gendisk {
int flags;
unsigned long state;
#define GD_NEED_PART_SCAN 0
- struct rw_semaphore lookup_sem;
struct kobject *slave_dir;
struct timer_rand_state *random;
@@ -210,23 +179,21 @@ struct gendisk {
struct lockdep_map lockdep_map;
};
+/*
+ * The gendisk is refcounted by the part0 block_device, and the bd_device
+ * therein is also used for device model presentation in sysfs.
+ */
+#define dev_to_disk(device) \
+ (dev_to_bdev(device)->bd_disk)
+#define disk_to_dev(disk) \
+ (&((disk)->part0->bd_device))
+
#if IS_REACHABLE(CONFIG_CDROM)
#define disk_to_cdi(disk) ((disk)->cdi)
#else
#define disk_to_cdi(disk) NULL
#endif
-static inline struct gendisk *part_to_disk(struct hd_struct *part)
-{
- if (likely(part)) {
- if (part->partno)
- return dev_to_disk(part_to_dev(part)->parent);
- else
- return dev_to_disk(part_to_dev(part));
- }
- return NULL;
-}
-
static inline int disk_max_parts(struct gendisk *disk)
{
if (disk->flags & GENHD_FL_EXT_DEVT)
@@ -245,27 +212,6 @@ static inline dev_t disk_devt(struct gendisk *disk)
return MKDEV(disk->major, disk->first_minor);
}
-static inline dev_t part_devt(struct hd_struct *part)
-{
- return part_to_dev(part)->devt;
-}
-
-extern struct hd_struct *__disk_get_part(struct gendisk *disk, int partno);
-extern struct hd_struct *disk_get_part(struct gendisk *disk, int partno);
-
-static inline void disk_put_part(struct hd_struct *part)
-{
- if (likely(part))
- put_device(part_to_dev(part));
-}
-
-static inline void hd_sects_seq_init(struct hd_struct *p)
-{
-#if BITS_PER_LONG==32 && defined(CONFIG_SMP)
- seqcount_init(&p->nr_sects_seq);
-#endif
-}
-
/*
* Smarter partition iterator without context limits.
*/
@@ -276,14 +222,14 @@ static inline void hd_sects_seq_init(struct hd_struct *p)
struct disk_part_iter {
struct gendisk *disk;
- struct hd_struct *part;
+ struct block_device *part;
int idx;
unsigned int flags;
};
extern void disk_part_iter_init(struct disk_part_iter *piter,
struct gendisk *disk, unsigned int flags);
-extern struct hd_struct *disk_part_iter_next(struct disk_part_iter *piter);
+struct block_device *disk_part_iter_next(struct disk_part_iter *piter);
extern void disk_part_iter_exit(struct disk_part_iter *piter);
extern bool disk_has_partitions(struct gendisk *disk);
@@ -301,22 +247,19 @@ static inline void add_disk_no_queue_reg(struct gendisk *disk)
}
extern void del_gendisk(struct gendisk *gp);
-extern struct gendisk *get_gendisk(dev_t dev, int *partno);
extern struct block_device *bdget_disk(struct gendisk *disk, int partno);
-extern void set_device_ro(struct block_device *bdev, int flag);
extern void set_disk_ro(struct gendisk *disk, int flag);
static inline int get_disk_ro(struct gendisk *disk)
{
- return disk->part0.policy;
+ return disk->part0->bd_read_only;
}
extern void disk_block_events(struct gendisk *disk);
extern void disk_unblock_events(struct gendisk *disk);
extern void disk_flush_events(struct gendisk *disk, unsigned int mask);
-bool set_capacity_revalidate_and_notify(struct gendisk *disk, sector_t size,
- bool update_bdev);
+bool set_capacity_and_notify(struct gendisk *disk, sector_t size);
/* drivers/char/random.c */
extern void add_disk_randomness(struct gendisk *disk) __latent_entropy;
@@ -324,15 +267,17 @@ extern void rand_initialize_disk(struct gendisk *disk);
static inline sector_t get_start_sect(struct block_device *bdev)
{
- return bdev->bd_part->start_sect;
+ return bdev->bd_start_sect;
}
-static inline sector_t get_capacity(struct gendisk *disk)
+
+static inline sector_t bdev_nr_sectors(struct block_device *bdev)
{
- return disk->part0.nr_sects;
+ return i_size_read(bdev->bd_inode) >> 9;
}
-static inline void set_capacity(struct gendisk *disk, sector_t size)
+
+static inline sector_t get_capacity(struct gendisk *disk)
{
- disk->part0.nr_sects = size;
+ return bdev_nr_sectors(disk->part0);
}
int bdev_disk_changed(struct block_device *bdev, bool invalidate);
@@ -340,15 +285,7 @@ int blk_add_partitions(struct gendisk *disk, struct block_device *bdev);
int blk_drop_partitions(struct block_device *bdev);
extern struct gendisk *__alloc_disk_node(int minors, int node_id);
-extern struct kobject *get_disk_and_module(struct gendisk *disk);
extern void put_disk(struct gendisk *disk);
-extern void put_disk_and_module(struct gendisk *disk);
-extern void blk_register_region(dev_t devt, unsigned long range,
- struct module *module,
- struct kobject *(*probe)(dev_t, int *, void *),
- int (*lock)(dev_t, void *),
- void *data);
-extern void blk_unregister_region(dev_t devt, unsigned long range);
#define alloc_disk_node(minors, node_id) \
({ \
@@ -368,13 +305,15 @@ extern void blk_unregister_region(dev_t devt, unsigned long range);
#define alloc_disk(minors) alloc_disk_node(minors, NUMA_NO_NODE)
-int register_blkdev(unsigned int major, const char *name);
+int __register_blkdev(unsigned int major, const char *name,
+ void (*probe)(dev_t devt));
+#define register_blkdev(major, name) \
+ __register_blkdev(major, name, NULL)
void unregister_blkdev(unsigned int major, const char *name);
-void revalidate_disk_size(struct gendisk *disk, bool verbose);
bool bdev_check_media_change(struct block_device *bdev);
int __invalidate_device(struct block_device *bdev, bool kill_dirty);
-void bd_set_nr_sectors(struct block_device *bdev, sector_t sectors);
+void set_capacity(struct gendisk *disk, sector_t size);
/* for drivers/char/raw.c: */
int blkdev_ioctl(struct block_device *, fmode_t, unsigned, unsigned long);
@@ -395,18 +334,16 @@ static inline void bd_unlink_disk_holder(struct block_device *bdev,
}
#endif /* CONFIG_SYSFS */
+extern struct rw_semaphore bdev_lookup_sem;
+
+dev_t blk_lookup_devt(const char *name, int partno);
+void blk_request_module(dev_t devt);
#ifdef CONFIG_BLOCK
void printk_all_partitions(void);
-dev_t blk_lookup_devt(const char *name, int partno);
#else /* CONFIG_BLOCK */
static inline void printk_all_partitions(void)
{
}
-static inline dev_t blk_lookup_devt(const char *name, int partno)
-{
- dev_t devt = MKDEV(0, 0);
- return devt;
-}
#endif /* CONFIG_BLOCK */
#endif /* _LINUX_GENHD_H */
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 62653769509f..2c300689a51a 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1493,9 +1493,6 @@ static inline void ide_acpi_port_init_devices(ide_hwif_t *hwif) { ; }
static inline void ide_acpi_set_state(ide_hwif_t *hwif, int on) {}
#endif
-void ide_register_region(struct gendisk *);
-void ide_unregister_region(struct gendisk *);
-
void ide_check_nien_quirk_list(ide_drive_t *);
void ide_undecoded_slave(ide_drive_t *);
diff --git a/include/linux/part_stat.h b/include/linux/part_stat.h
index 24125778ef3e..d2558121d48c 100644
--- a/include/linux/part_stat.h
+++ b/include/linux/part_stat.h
@@ -25,26 +25,26 @@ struct disk_stats {
#define part_stat_unlock() preempt_enable()
#define part_stat_get_cpu(part, field, cpu) \
- (per_cpu_ptr((part)->dkstats, (cpu))->field)
+ (per_cpu_ptr((part)->bd_stats, (cpu))->field)
#define part_stat_get(part, field) \
part_stat_get_cpu(part, field, smp_processor_id())
#define part_stat_read(part, field) \
({ \
- typeof((part)->dkstats->field) res = 0; \
+ typeof((part)->bd_stats->field) res = 0; \
unsigned int _cpu; \
for_each_possible_cpu(_cpu) \
- res += per_cpu_ptr((part)->dkstats, _cpu)->field; \
+ res += per_cpu_ptr((part)->bd_stats, _cpu)->field; \
res; \
})
-static inline void part_stat_set_all(struct hd_struct *part, int value)
+static inline void part_stat_set_all(struct block_device *part, int value)
{
int i;
for_each_possible_cpu(i)
- memset(per_cpu_ptr(part->dkstats, i), value,
+ memset(per_cpu_ptr(part->bd_stats, i), value,
sizeof(struct disk_stats));
}
@@ -54,29 +54,28 @@ static inline void part_stat_set_all(struct hd_struct *part, int value)
part_stat_read(part, field[STAT_DISCARD]))
#define __part_stat_add(part, field, addnd) \
- __this_cpu_add((part)->dkstats->field, addnd)
+ __this_cpu_add((part)->bd_stats->field, addnd)
#define part_stat_add(part, field, addnd) do { \
__part_stat_add((part), field, addnd); \
- if ((part)->partno) \
- __part_stat_add(&part_to_disk((part))->part0, \
- field, addnd); \
+ if ((part)->bd_partno) \
+ __part_stat_add(bdev_whole(part), field, addnd); \
} while (0)
-#define part_stat_dec(gendiskp, field) \
- part_stat_add(gendiskp, field, -1)
-#define part_stat_inc(gendiskp, field) \
- part_stat_add(gendiskp, field, 1)
-#define part_stat_sub(gendiskp, field, subnd) \
- part_stat_add(gendiskp, field, -subnd)
+#define part_stat_dec(part, field) \
+ part_stat_add(part, field, -1)
+#define part_stat_inc(part, field) \
+ part_stat_add(part, field, 1)
+#define part_stat_sub(part, field, subnd) \
+ part_stat_add(part, field, -subnd)
-#define part_stat_local_dec(gendiskp, field) \
- local_dec(&(part_stat_get(gendiskp, field)))
-#define part_stat_local_inc(gendiskp, field) \
- local_inc(&(part_stat_get(gendiskp, field)))
-#define part_stat_local_read(gendiskp, field) \
- local_read(&(part_stat_get(gendiskp, field)))
-#define part_stat_local_read_cpu(gendiskp, field, cpu) \
- local_read(&(part_stat_get_cpu(gendiskp, field, cpu)))
+#define part_stat_local_dec(part, field) \
+ local_dec(&(part_stat_get(part, field)))
+#define part_stat_local_inc(part, field) \
+ local_inc(&(part_stat_get(part, field)))
+#define part_stat_local_read(part, field) \
+ local_read(&(part_stat_get(part, field)))
+#define part_stat_local_read_cpu(part, field, cpu) \
+ local_read(&(part_stat_get_cpu(part, field, cpu)))
#endif /* _LINUX_PART_STAT_H */
diff --git a/include/linux/sbitmap.h b/include/linux/sbitmap.h
index e40d019c3d9d..74cc6384715e 100644
--- a/include/linux/sbitmap.h
+++ b/include/linux/sbitmap.h
@@ -32,11 +32,6 @@ struct sbitmap_word {
* @cleared: word holding cleared bits
*/
unsigned long cleared ____cacheline_aligned_in_smp;
-
- /**
- * @swap_lock: Held while swapping word <-> cleared
- */
- spinlock_t swap_lock;
} ____cacheline_aligned_in_smp;
/**
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-30 18:42:02 +0000