| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** This header was automatically generated from a Linux kernel header |
| *** of the same name, to make information necessary for userspace to |
| *** call into the kernel available to libc. It contains only constants, |
| *** structures, and macros generated from the original header, and thus, |
| *** contains no copyrightable information. |
| *** |
| **************************************************************************** |
| ****************************************************************************/ |
| #ifndef _MD_K_H |
| #define _MD_K_H |
| |
| #include "../../../drivers/md/dm-bio-list.h" |
| |
| #define LEVEL_MULTIPATH (-4) |
| #define LEVEL_LINEAR (-1) |
| #define LEVEL_FAULTY (-5) |
| |
| #define LEVEL_NONE (-1000000) |
| |
| #define MaxSector (~(sector_t)0) |
| #define MD_THREAD_NAME_MAX 14 |
| |
| typedef struct mddev_s mddev_t; |
| typedef struct mdk_rdev_s mdk_rdev_t; |
| |
| #define MAX_MD_DEVS 256 |
| |
| #define MAX_CHUNK_SIZE (1<<30) |
| |
| struct mdk_rdev_s |
| { |
| struct list_head same_set; |
| |
| sector_t size; |
| mddev_t *mddev; |
| unsigned long last_events; |
| |
| struct block_device *bdev; |
| |
| struct page *sb_page; |
| int sb_loaded; |
| __u64 sb_events; |
| sector_t data_offset; |
| sector_t sb_offset; |
| int sb_size; |
| int preferred_minor; |
| |
| struct kobject kobj; |
| |
| unsigned long flags; |
| #define Faulty 1 |
| #define In_sync 2 |
| #define WriteMostly 4 |
| #define BarriersNotsupp 5 |
| |
| int desc_nr; |
| int raid_disk; |
| int saved_raid_disk; |
| sector_t recovery_offset; |
| |
| atomic_t nr_pending; |
| atomic_t read_errors; |
| atomic_t corrected_errors; |
| }; |
| |
| struct mddev_s |
| { |
| void *private; |
| struct mdk_personality *pers; |
| dev_t unit; |
| int md_minor; |
| struct list_head disks; |
| int sb_dirty; |
| int ro; |
| |
| struct gendisk *gendisk; |
| |
| struct kobject kobj; |
| |
| int major_version, |
| minor_version, |
| patch_version; |
| int persistent; |
| int chunk_size; |
| time_t ctime, utime; |
| int level, layout; |
| char clevel[16]; |
| int raid_disks; |
| int max_disks; |
| sector_t size; |
| sector_t array_size; |
| __u64 events; |
| |
| char uuid[16]; |
| |
| sector_t reshape_position; |
| int delta_disks, new_level, new_layout, new_chunk; |
| |
| struct mdk_thread_s *thread; |
| struct mdk_thread_s *sync_thread; |
| sector_t curr_resync; |
| unsigned long resync_mark; |
| sector_t resync_mark_cnt; |
| sector_t curr_mark_cnt; |
| |
| sector_t resync_max_sectors; |
| |
| sector_t resync_mismatches; |
| |
| sector_t suspend_lo; |
| sector_t suspend_hi; |
| |
| int sync_speed_min; |
| int sync_speed_max; |
| |
| int ok_start_degraded; |
| |
| #define MD_RECOVERY_RUNNING 0 |
| #define MD_RECOVERY_SYNC 1 |
| #define MD_RECOVERY_ERR 2 |
| #define MD_RECOVERY_INTR 3 |
| #define MD_RECOVERY_DONE 4 |
| #define MD_RECOVERY_NEEDED 5 |
| #define MD_RECOVERY_REQUESTED 6 |
| #define MD_RECOVERY_CHECK 7 |
| #define MD_RECOVERY_RESHAPE 8 |
| #define MD_RECOVERY_FROZEN 9 |
| |
| unsigned long recovery; |
| |
| int in_sync; |
| struct mutex reconfig_mutex; |
| atomic_t active; |
| |
| int changed; |
| int degraded; |
| int barriers_work; |
| struct bio *biolist; |
| |
| atomic_t recovery_active; |
| wait_queue_head_t recovery_wait; |
| sector_t recovery_cp; |
| |
| spinlock_t write_lock; |
| wait_queue_head_t sb_wait; |
| atomic_t pending_writes; |
| |
| unsigned int safemode; |
| unsigned int safemode_delay; |
| struct timer_list safemode_timer; |
| atomic_t writes_pending; |
| request_queue_t *queue; |
| |
| atomic_t write_behind; |
| unsigned int max_write_behind; |
| |
| struct bitmap *bitmap; |
| struct file *bitmap_file; |
| long bitmap_offset; |
| long default_bitmap_offset; |
| |
| struct list_head all_mddevs; |
| }; |
| |
| struct md_sysfs_entry { |
| struct attribute attr; |
| ssize_t (*show)(mddev_t *, char *); |
| ssize_t (*store)(mddev_t *, const char *, size_t); |
| }; |
| |
| #define ITERATE_RDEV_GENERIC(head,rdev,tmp) for ((tmp) = (head).next; (rdev) = (list_entry((tmp), mdk_rdev_t, same_set)), (tmp) = (tmp)->next, (tmp)->prev != &(head) ; ) |
| #define ITERATE_RDEV(mddev,rdev,tmp) ITERATE_RDEV_GENERIC((mddev)->disks,rdev,tmp) |
| #define ITERATE_RDEV_PENDING(rdev,tmp) ITERATE_RDEV_GENERIC(pending_raid_disks,rdev,tmp) |
| |
| #define THREAD_WAKEUP 0 |
| |
| #define __wait_event_lock_irq(wq, condition, lock, cmd) do { wait_queue_t __wait; init_waitqueue_entry(&__wait, current); add_wait_queue(&wq, &__wait); for (;;) { set_current_state(TASK_UNINTERRUPTIBLE); if (condition) break; spin_unlock_irq(&lock); cmd; schedule(); spin_lock_irq(&lock); } current->state = TASK_RUNNING; remove_wait_queue(&wq, &__wait); } while (0) |
| |
| #define wait_event_lock_irq(wq, condition, lock, cmd) do { if (condition) break; __wait_event_lock_irq(wq, condition, lock, cmd); } while (0) |
| |
| #endif |