diff options
Diffstat (limited to 'drivers/md/md.h')
| -rw-r--r-- | drivers/md/md.h | 113 |
1 files changed, 55 insertions, 58 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h index b0e98c868c1..84a2c03c49c 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -26,8 +26,6 @@ #define MaxSector (~(sector_t)0) -typedef struct mddev_s mddev_t; - /* Bad block numbers are stored sorted in a single page. * 64bits is used for each block or extent. * 54 bits are sector number, 9 bits are extent size, @@ -42,7 +40,7 @@ struct md_rdev { struct list_head same_set; /* RAID devices within the same set */ sector_t sectors; /* Device size (in 512bytes sectors) */ - mddev_t *mddev; /* RAID array if running */ + struct mddev *mddev; /* RAID array if running */ int last_events; /* IO event timestamp */ /* @@ -184,8 +182,7 @@ extern int rdev_set_badblocks(struct md_rdev *rdev, sector_t s, int sectors, extern int rdev_clear_badblocks(struct md_rdev *rdev, sector_t s, int sectors); extern void md_ack_all_badblocks(struct badblocks *bb); -struct mddev_s -{ +struct mddev { void *private; struct mdk_personality *pers; dev_t unit; @@ -400,11 +397,11 @@ struct mddev_s atomic_t flush_pending; struct work_struct flush_work; struct work_struct event_work; /* used by dm to report failure event */ - void (*sync_super)(mddev_t *mddev, struct md_rdev *rdev); + void (*sync_super)(struct mddev *mddev, struct md_rdev *rdev); }; -static inline void rdev_dec_pending(struct md_rdev *rdev, mddev_t *mddev) +static inline void rdev_dec_pending(struct md_rdev *rdev, struct mddev *mddev) { int faulty = test_bit(Faulty, &rdev->flags); if (atomic_dec_and_test(&rdev->nr_pending) && faulty) @@ -422,29 +419,29 @@ struct mdk_personality int level; struct list_head list; struct module *owner; - int (*make_request)(mddev_t *mddev, struct bio *bio); - int (*run)(mddev_t *mddev); - int (*stop)(mddev_t *mddev); - void (*status)(struct seq_file *seq, mddev_t *mddev); + int (*make_request)(struct mddev *mddev, struct bio *bio); + int (*run)(struct mddev *mddev); + int (*stop)(struct mddev *mddev); + void (*status)(struct seq_file *seq, struct mddev *mddev); /* error_handler must set ->faulty and clear ->in_sync * if appropriate, and should abort recovery if needed */ - void (*error_handler)(mddev_t *mddev, struct md_rdev *rdev); - int (*hot_add_disk) (mddev_t *mddev, struct md_rdev *rdev); - int (*hot_remove_disk) (mddev_t *mddev, int number); - int (*spare_active) (mddev_t *mddev); - sector_t (*sync_request)(mddev_t *mddev, sector_t sector_nr, int *skipped, int go_faster); - int (*resize) (mddev_t *mddev, sector_t sectors); - sector_t (*size) (mddev_t *mddev, sector_t sectors, int raid_disks); - int (*check_reshape) (mddev_t *mddev); - int (*start_reshape) (mddev_t *mddev); - void (*finish_reshape) (mddev_t *mddev); + void (*error_handler)(struct mddev *mddev, struct md_rdev *rdev); + int (*hot_add_disk) (struct mddev *mddev, struct md_rdev *rdev); + int (*hot_remove_disk) (struct mddev *mddev, int number); + int (*spare_active) (struct mddev *mddev); + sector_t (*sync_request)(struct mddev *mddev, sector_t sector_nr, int *skipped, int go_faster); + int (*resize) (struct mddev *mddev, sector_t sectors); + sector_t (*size) (struct mddev *mddev, sector_t sectors, int raid_disks); + int (*check_reshape) (struct mddev *mddev); + int (*start_reshape) (struct mddev *mddev); + void (*finish_reshape) (struct mddev *mddev); /* quiesce moves between quiescence states * 0 - fully active * 1 - no new requests allowed * others - reserved */ - void (*quiesce) (mddev_t *mddev, int state); + void (*quiesce) (struct mddev *mddev, int state); /* takeover is used to transition an array from one * personality to another. The new personality must be able * to handle the data in the current layout. @@ -454,14 +451,14 @@ struct mdk_personality * This needs to be installed and then ->run used to activate the * array. */ - void *(*takeover) (mddev_t *mddev); + void *(*takeover) (struct mddev *mddev); }; struct md_sysfs_entry { struct attribute attr; - ssize_t (*show)(mddev_t *, char *); - ssize_t (*store)(mddev_t *, const char *, size_t); + ssize_t (*show)(struct mddev *, char *); + ssize_t (*store)(struct mddev *, const char *, size_t); }; extern struct attribute_group md_bitmap_group; @@ -477,19 +474,19 @@ static inline void sysfs_notify_dirent_safe(struct sysfs_dirent *sd) sysfs_notify_dirent(sd); } -static inline char * mdname (mddev_t * mddev) +static inline char * mdname (struct mddev * mddev) { return mddev->gendisk ? mddev->gendisk->disk_name : "mdX"; } -static inline int sysfs_link_rdev(mddev_t *mddev, struct md_rdev *rdev) +static inline int sysfs_link_rdev(struct mddev *mddev, struct md_rdev *rdev) { char nm[20]; sprintf(nm, "rd%d", rdev->raid_disk); return sysfs_create_link(&mddev->kobj, &rdev->kobj, nm); } -static inline void sysfs_unlink_rdev(mddev_t *mddev, struct md_rdev *rdev) +static inline void sysfs_unlink_rdev(struct mddev *mddev, struct md_rdev *rdev) { char nm[20]; sprintf(nm, "rd%d", rdev->raid_disk); @@ -513,8 +510,8 @@ static inline void sysfs_unlink_rdev(mddev_t *mddev, struct md_rdev *rdev) list_for_each_entry_rcu(rdev, &((mddev)->disks), same_set) typedef struct mdk_thread_s { - void (*run) (mddev_t *mddev); - mddev_t *mddev; + void (*run) (struct mddev *mddev); + struct mddev *mddev; wait_queue_head_t wqueue; unsigned long flags; struct task_struct *tsk; @@ -556,46 +553,46 @@ static inline void safe_put_page(struct page *p) extern int register_md_personality(struct mdk_personality *p); extern int unregister_md_personality(struct mdk_personality *p); -extern mdk_thread_t * md_register_thread(void (*run) (mddev_t *mddev), - mddev_t *mddev, const char *name); +extern mdk_thread_t * md_register_thread(void (*run) (struct mddev *mddev), + struct mddev *mddev, const char *name); extern void md_unregister_thread(mdk_thread_t **threadp); extern void md_wakeup_thread(mdk_thread_t *thread); -extern void md_check_recovery(mddev_t *mddev); -extern void md_write_start(mddev_t *mddev, struct bio *bi); -extern void md_write_end(mddev_t *mddev); -extern void md_done_sync(mddev_t *mddev, int blocks, int ok); -extern void md_error(mddev_t *mddev, struct md_rdev *rdev); +extern void md_check_recovery(struct mddev *mddev); +extern void md_write_start(struct mddev *mddev, struct bio *bi); +extern void md_write_end(struct mddev *mddev); +extern void md_done_sync(struct mddev *mddev, int blocks, int ok); +extern void md_error(struct mddev *mddev, struct md_rdev *rdev); -extern int mddev_congested(mddev_t *mddev, int bits); -extern void md_flush_request(mddev_t *mddev, struct bio *bio); -extern void md_super_write(mddev_t *mddev, struct md_rdev *rdev, +extern int mddev_congested(struct mddev *mddev, int bits); +extern void md_flush_request(struct mddev *mddev, struct bio *bio); +extern void md_super_write(struct mddev *mddev, struct md_rdev *rdev, sector_t sector, int size, struct page *page); -extern void md_super_wait(mddev_t *mddev); +extern void md_super_wait(struct mddev *mddev); extern int sync_page_io(struct md_rdev *rdev, sector_t sector, int size, struct page *page, int rw, bool metadata_op); -extern void md_do_sync(mddev_t *mddev); -extern void md_new_event(mddev_t *mddev); -extern int md_allow_write(mddev_t *mddev); -extern void md_wait_for_blocked_rdev(struct md_rdev *rdev, mddev_t *mddev); -extern void md_set_array_sectors(mddev_t *mddev, sector_t array_sectors); -extern int md_check_no_bitmap(mddev_t *mddev); -extern int md_integrity_register(mddev_t *mddev); -extern void md_integrity_add_rdev(struct md_rdev *rdev, mddev_t *mddev); +extern void md_do_sync(struct mddev *mddev); +extern void md_new_event(struct mddev *mddev); +extern int md_allow_write(struct mddev *mddev); +extern void md_wait_for_blocked_rdev(struct md_rdev *rdev, struct mddev *mddev); +extern void md_set_array_sectors(struct mddev *mddev, sector_t array_sectors); +extern int md_check_no_bitmap(struct mddev *mddev); +extern int md_integrity_register(struct mddev *mddev); +extern void md_integrity_add_rdev(struct md_rdev *rdev, struct mddev *mddev); extern int strict_strtoul_scaled(const char *cp, unsigned long *res, int scale); extern void restore_bitmap_write_access(struct file *file); -extern void mddev_init(mddev_t *mddev); -extern int md_run(mddev_t *mddev); -extern void md_stop(mddev_t *mddev); -extern void md_stop_writes(mddev_t *mddev); +extern void mddev_init(struct mddev *mddev); +extern int md_run(struct mddev *mddev); +extern void md_stop(struct mddev *mddev); +extern void md_stop_writes(struct mddev *mddev); extern int md_rdev_init(struct md_rdev *rdev); -extern void mddev_suspend(mddev_t *mddev); -extern void mddev_resume(mddev_t *mddev); +extern void mddev_suspend(struct mddev *mddev); +extern void mddev_resume(struct mddev *mddev); extern struct bio *bio_clone_mddev(struct bio *bio, gfp_t gfp_mask, - mddev_t *mddev); + struct mddev *mddev); extern struct bio *bio_alloc_mddev(gfp_t gfp_mask, int nr_iovecs, - mddev_t *mddev); -extern int mddev_check_plugged(mddev_t *mddev); + struct mddev *mddev); +extern int mddev_check_plugged(struct mddev *mddev); extern void md_trim_bio(struct bio *bio, int offset, int size); #endif /* _MD_MD_H */ |