Lines Matching refs:mddev
36 return bitmap->mddev ? mdname(bitmap->mddev) : "mdX"; in bmname()
148 static int read_sb_page(struct mddev *mddev, loff_t offset, in read_sb_page() argument
157 rdev_for_each(rdev, mddev) { in read_sb_page()
175 static struct md_rdev *next_active_rdev(struct md_rdev *rdev, struct mddev *mddev) in next_active_rdev() argument
193 rdev = list_entry(&mddev->disks, struct md_rdev, same_set); in next_active_rdev()
196 rdev_dec_pending(rdev, mddev); in next_active_rdev()
198 list_for_each_entry_continue_rcu(rdev, &mddev->disks, same_set) { in next_active_rdev()
215 struct mddev *mddev = bitmap->mddev; in write_sb_page() local
220 while ((rdev = next_active_rdev(rdev, mddev)) != NULL) { in write_sb_page()
222 loff_t offset = mddev->bitmap_info.offset; in write_sb_page()
236 if (mddev->external) { in write_sb_page()
243 < (rdev->data_offset + mddev->dev_sectors in write_sb_page()
253 if (rdev->data_offset + mddev->dev_sectors in write_sb_page()
268 md_super_write(mddev, rdev, in write_sb_page()
275 if (wait && md_super_wait(mddev) < 0) in write_sb_page()
441 md_super_wait(bitmap->mddev); in md_bitmap_wait_writes()
450 if (!bitmap || !bitmap->mddev) /* no bitmap for this array */ in md_bitmap_update_sb()
452 if (bitmap->mddev->bitmap_info.external) in md_bitmap_update_sb()
457 sb->events = cpu_to_le64(bitmap->mddev->events); in md_bitmap_update_sb()
458 if (bitmap->mddev->events < bitmap->events_cleared) in md_bitmap_update_sb()
460 bitmap->events_cleared = bitmap->mddev->events; in md_bitmap_update_sb()
468 sb->daemon_sleep = cpu_to_le32(bitmap->mddev->bitmap_info.daemon_sleep/HZ); in md_bitmap_update_sb()
469 sb->write_behind = cpu_to_le32(bitmap->mddev->bitmap_info.max_write_behind); in md_bitmap_update_sb()
471 sb->sync_size = cpu_to_le64(bitmap->mddev->resync_max_sectors); in md_bitmap_update_sb()
472 sb->chunksize = cpu_to_le32(bitmap->mddev->bitmap_info.chunksize); in md_bitmap_update_sb()
473 sb->nodes = cpu_to_le32(bitmap->mddev->bitmap_info.nodes); in md_bitmap_update_sb()
474 sb->sectors_reserved = cpu_to_le32(bitmap->mddev-> in md_bitmap_update_sb()
536 chunksize = bitmap->mddev->bitmap_info.chunksize; in md_bitmap_new_disk_sb()
545 daemon_sleep = bitmap->mddev->bitmap_info.daemon_sleep; in md_bitmap_new_disk_sb()
551 bitmap->mddev->bitmap_info.daemon_sleep = daemon_sleep; in md_bitmap_new_disk_sb()
557 write_behind = bitmap->mddev->bitmap_info.max_write_behind; in md_bitmap_new_disk_sb()
561 bitmap->mddev->bitmap_info.max_write_behind = write_behind; in md_bitmap_new_disk_sb()
564 sb->sync_size = cpu_to_le64(bitmap->mddev->resync_max_sectors); in md_bitmap_new_disk_sb()
566 memcpy(sb->uuid, bitmap->mddev->uuid, 16); in md_bitmap_new_disk_sb()
570 bitmap->events_cleared = bitmap->mddev->events; in md_bitmap_new_disk_sb()
571 sb->events_cleared = cpu_to_le64(bitmap->mddev->events); in md_bitmap_new_disk_sb()
572 bitmap->mddev->bitmap_info.nodes = 0; in md_bitmap_new_disk_sb()
590 loff_t offset = bitmap->mddev->bitmap_info.offset; in md_bitmap_read_sb()
592 if (!bitmap->storage.file && !bitmap->mddev->bitmap_info.offset) { in md_bitmap_read_sb()
609 sector_t bm_blocks = bitmap->mddev->resync_max_sectors; in md_bitmap_read_sb()
612 bitmap->mddev->bitmap_info.chunksize >> 9); in md_bitmap_read_sb()
617 offset = bitmap->mddev->bitmap_info.offset + (bitmap->cluster_slot * (bm_blocks << 3)); in md_bitmap_read_sb()
629 err = read_sb_page(bitmap->mddev, in md_bitmap_read_sb()
649 strlcpy(bitmap->mddev->bitmap_info.cluster_name, in md_bitmap_read_sb()
674 sb->sync_size = cpu_to_le64(bitmap->mddev->resync_max_sectors); in md_bitmap_read_sb()
676 if (bitmap->mddev->persistent) { in md_bitmap_read_sb()
681 if (memcmp(sb->uuid, bitmap->mddev->uuid, 16)) { in md_bitmap_read_sb()
687 if (!nodes && (events < bitmap->mddev->events)) { in md_bitmap_read_sb()
690 (unsigned long long) bitmap->mddev->events); in md_bitmap_read_sb()
700 strlcpy(bitmap->mddev->bitmap_info.cluster_name, sb->cluster_name, 64); in md_bitmap_read_sb()
706 bitmap->mddev->bitmap_info.chunksize = chunksize; in md_bitmap_read_sb()
708 err = md_setup_cluster(bitmap->mddev, nodes); in md_bitmap_read_sb()
714 bitmap->cluster_slot = md_cluster_ops->slot_number(bitmap->mddev); in md_bitmap_read_sb()
721 bitmap->events_cleared = bitmap->mddev->events; in md_bitmap_read_sb()
722 bitmap->mddev->bitmap_info.chunksize = chunksize; in md_bitmap_read_sb()
723 bitmap->mddev->bitmap_info.daemon_sleep = daemon_sleep; in md_bitmap_read_sb()
724 bitmap->mddev->bitmap_info.max_write_behind = write_behind; in md_bitmap_read_sb()
725 bitmap->mddev->bitmap_info.nodes = nodes; in md_bitmap_read_sb()
726 if (bitmap->mddev->bitmap_info.space == 0 || in md_bitmap_read_sb()
727 bitmap->mddev->bitmap_info.space > sectors_reserved) in md_bitmap_read_sb()
728 bitmap->mddev->bitmap_info.space = sectors_reserved; in md_bitmap_read_sb()
732 md_cluster_stop(bitmap->mddev); in md_bitmap_read_sb()
935 if (mddev_is_clustered(bitmap->mddev)) in md_bitmap_file_set_bit()
964 if (mddev_is_clustered(bitmap->mddev)) in md_bitmap_file_clear_bit()
1029 if (bitmap->mddev->queue) in md_bitmap_unplug()
1030 blk_add_trace_msg(bitmap->mddev->queue, in md_bitmap_unplug()
1073 if (!file && !bitmap->mddev->bitmap_info.offset) { in md_bitmap_init_from_disk()
1102 if (!bitmap->mddev->bitmap_info.external) in md_bitmap_init_from_disk()
1105 if (mddev_is_clustered(bitmap->mddev)) in md_bitmap_init_from_disk()
1125 bitmap->mddev, in md_bitmap_init_from_disk()
1126 bitmap->mddev->bitmap_info.offset, in md_bitmap_init_from_disk()
1229 void md_bitmap_daemon_work(struct mddev *mddev) in md_bitmap_daemon_work() argument
1240 mutex_lock(&mddev->bitmap_info.mutex); in md_bitmap_daemon_work()
1241 bitmap = mddev->bitmap; in md_bitmap_daemon_work()
1243 mutex_unlock(&mddev->bitmap_info.mutex); in md_bitmap_daemon_work()
1247 + mddev->bitmap_info.daemon_sleep)) in md_bitmap_daemon_work()
1252 mddev->thread->timeout = MAX_SCHEDULE_TIMEOUT; in md_bitmap_daemon_work()
1257 if (bitmap->mddev->queue) in md_bitmap_daemon_work()
1258 blk_add_trace_msg(bitmap->mddev->queue, in md_bitmap_daemon_work()
1272 mddev->bitmap_info.external == 0) { in md_bitmap_daemon_work()
1348 mddev->thread->timeout = in md_bitmap_daemon_work()
1349 mddev->bitmap_info.daemon_sleep; in md_bitmap_daemon_work()
1350 mutex_unlock(&mddev->bitmap_info.mutex); in md_bitmap_daemon_work()
1408 bw, bitmap->mddev->bitmap_info.max_write_behind); in md_bitmap_startwrite()
1469 bitmap->mddev->bitmap_info.max_write_behind); in md_bitmap_endwrite()
1484 if (success && !bitmap->mddev->degraded && in md_bitmap_endwrite()
1485 bitmap->events_cleared < bitmap->mddev->events) { in md_bitmap_endwrite()
1486 bitmap->events_cleared = bitmap->mddev->events; in md_bitmap_endwrite()
1605 while (sector < bitmap->mddev->resync_max_sectors) { in md_bitmap_close_sync()
1624 + bitmap->mddev->bitmap_info.daemon_sleep))) in md_bitmap_cond_end_sync()
1626 wait_event(bitmap->mddev->recovery_wait, in md_bitmap_cond_end_sync()
1627 atomic_read(&bitmap->mddev->recovery_active) == 0); in md_bitmap_cond_end_sync()
1629 bitmap->mddev->curr_resync_completed = sector; in md_bitmap_cond_end_sync()
1630 set_bit(MD_SB_CHANGE_CLEAN, &bitmap->mddev->sb_flags); in md_bitmap_cond_end_sync()
1633 while (s < sector && s < bitmap->mddev->resync_max_sectors) { in md_bitmap_cond_end_sync()
1638 sysfs_notify(&bitmap->mddev->kobj, NULL, "sync_completed"); in md_bitmap_cond_end_sync()
1642 void md_bitmap_sync_with_cluster(struct mddev *mddev, in md_bitmap_sync_with_cluster() argument
1646 struct bitmap *bitmap = mddev->bitmap; in md_bitmap_sync_with_cluster()
1698 if (sec < bitmap->mddev->recovery_cp) in md_bitmap_dirty_bits()
1703 bitmap->mddev->recovery_cp = sec; in md_bitmap_dirty_bits()
1710 void md_bitmap_flush(struct mddev *mddev) in md_bitmap_flush() argument
1712 struct bitmap *bitmap = mddev->bitmap; in md_bitmap_flush()
1721 sleep = mddev->bitmap_info.daemon_sleep * 2; in md_bitmap_flush()
1723 md_bitmap_daemon_work(mddev); in md_bitmap_flush()
1725 md_bitmap_daemon_work(mddev); in md_bitmap_flush()
1727 md_bitmap_daemon_work(mddev); in md_bitmap_flush()
1745 if (mddev_is_clustered(bitmap->mddev) && bitmap->mddev->cluster_info && in md_bitmap_free()
1746 bitmap->cluster_slot == md_cluster_ops->slot_number(bitmap->mddev)) in md_bitmap_free()
1747 md_cluster_stop(bitmap->mddev); in md_bitmap_free()
1770 void md_bitmap_wait_behind_writes(struct mddev *mddev) in md_bitmap_wait_behind_writes() argument
1772 struct bitmap *bitmap = mddev->bitmap; in md_bitmap_wait_behind_writes()
1777 mdname(mddev)); in md_bitmap_wait_behind_writes()
1784 void md_bitmap_destroy(struct mddev *mddev) in md_bitmap_destroy() argument
1786 struct bitmap *bitmap = mddev->bitmap; in md_bitmap_destroy()
1791 md_bitmap_wait_behind_writes(mddev); in md_bitmap_destroy()
1793 mutex_lock(&mddev->bitmap_info.mutex); in md_bitmap_destroy()
1794 spin_lock(&mddev->lock); in md_bitmap_destroy()
1795 mddev->bitmap = NULL; /* disconnect from the md device */ in md_bitmap_destroy()
1796 spin_unlock(&mddev->lock); in md_bitmap_destroy()
1797 mutex_unlock(&mddev->bitmap_info.mutex); in md_bitmap_destroy()
1798 if (mddev->thread) in md_bitmap_destroy()
1799 mddev->thread->timeout = MAX_SCHEDULE_TIMEOUT; in md_bitmap_destroy()
1809 struct bitmap *md_bitmap_create(struct mddev *mddev, int slot) in md_bitmap_create() argument
1812 sector_t blocks = mddev->resync_max_sectors; in md_bitmap_create()
1813 struct file *file = mddev->bitmap_info.file; in md_bitmap_create()
1819 BUG_ON(file && mddev->bitmap_info.offset); in md_bitmap_create()
1821 if (test_bit(MD_HAS_JOURNAL, &mddev->flags)) { in md_bitmap_create()
1823 mdname(mddev)); in md_bitmap_create()
1837 bitmap->mddev = mddev; in md_bitmap_create()
1840 if (mddev->kobj.sd) in md_bitmap_create()
1841 bm = sysfs_get_dirent(mddev->kobj.sd, "bitmap"); in md_bitmap_create()
1858 if (!mddev->bitmap_info.external) { in md_bitmap_create()
1863 if (test_and_clear_bit(MD_ARRAY_FIRST_USE, &mddev->flags)) in md_bitmap_create()
1869 if (mddev->bitmap_info.chunksize == 0 || in md_bitmap_create()
1870 mddev->bitmap_info.daemon_sleep == 0) in md_bitmap_create()
1879 err = md_bitmap_resize(bitmap, blocks, mddev->bitmap_info.chunksize, 1); in md_bitmap_create()
1896 int md_bitmap_load(struct mddev *mddev) in md_bitmap_load() argument
1901 struct bitmap *bitmap = mddev->bitmap; in md_bitmap_load()
1906 if (mddev_is_clustered(mddev)) in md_bitmap_load()
1907 md_cluster_ops->load_bitmaps(mddev, mddev->bitmap_info.nodes); in md_bitmap_load()
1914 while (sector < mddev->resync_max_sectors) { in md_bitmap_load()
1921 if (mddev->degraded == 0 in md_bitmap_load()
1922 || bitmap->events_cleared == mddev->events) in md_bitmap_load()
1925 start = mddev->recovery_cp; in md_bitmap_load()
1927 mutex_lock(&mddev->bitmap_info.mutex); in md_bitmap_load()
1929 mutex_unlock(&mddev->bitmap_info.mutex); in md_bitmap_load()
1936 set_bit(MD_RECOVERY_NEEDED, &bitmap->mddev->recovery); in md_bitmap_load()
1938 mddev->thread->timeout = mddev->bitmap_info.daemon_sleep; in md_bitmap_load()
1939 md_wakeup_thread(mddev->thread); in md_bitmap_load()
1950 struct bitmap *get_bitmap_from_slot(struct mddev *mddev, int slot) in get_bitmap_from_slot() argument
1955 bitmap = md_bitmap_create(mddev, slot); in get_bitmap_from_slot()
1974 int md_bitmap_copy_from_slot(struct mddev *mddev, int slot, in md_bitmap_copy_from_slot() argument
1982 bitmap = get_bitmap_from_slot(mddev, slot); in md_bitmap_copy_from_slot()
1996 md_bitmap_set_memory_bits(mddev->bitmap, block, 1); in md_bitmap_copy_from_slot()
1997 md_bitmap_file_set_bit(mddev->bitmap, block); in md_bitmap_copy_from_slot()
2010 md_bitmap_unplug(mddev->bitmap); in md_bitmap_copy_from_slot()
2029 chunk_kb = bitmap->mddev->bitmap_info.chunksize >> 10; in md_bitmap_status()
2036 chunk_kb ? chunk_kb : bitmap->mddev->bitmap_info.chunksize, in md_bitmap_status()
2079 long space = bitmap->mddev->bitmap_info.space; in md_bitmap_resize()
2086 if (!bitmap->mddev->bitmap_info.external) in md_bitmap_resize()
2089 bitmap->mddev->bitmap_info.space = space; in md_bitmap_resize()
2098 if (!bitmap->mddev->bitmap_info.external) in md_bitmap_resize()
2106 if (bitmap->mddev->bitmap_info.offset || bitmap->mddev->bitmap_info.file) in md_bitmap_resize()
2108 !bitmap->mddev->bitmap_info.external, in md_bitmap_resize()
2109 mddev_is_clustered(bitmap->mddev) in md_bitmap_resize()
2126 bitmap->mddev->pers->quiesce(bitmap->mddev, 1); in md_bitmap_resize()
2144 bitmap->mddev->bitmap_info.chunksize = 1 << (chunkshift + in md_bitmap_resize()
2152 if (mddev_is_clustered(bitmap->mddev)) { in md_bitmap_resize()
2171 bitmap->mddev->bitmap_info.chunksize = 1 << (old_counts.chunkshift + in md_bitmap_resize()
2242 bitmap->mddev->pers->quiesce(bitmap->mddev, 0); in md_bitmap_resize()
2251 location_show(struct mddev *mddev, char *page) in location_show() argument
2254 if (mddev->bitmap_info.file) in location_show()
2256 else if (mddev->bitmap_info.offset) in location_show()
2257 len = sprintf(page, "%+lld", (long long)mddev->bitmap_info.offset); in location_show()
2265 location_store(struct mddev *mddev, const char *buf, size_t len) in location_store() argument
2269 rv = mddev_lock(mddev); in location_store()
2272 if (mddev->pers) { in location_store()
2273 if (!mddev->pers->quiesce) { in location_store()
2277 if (mddev->recovery || mddev->sync_thread) { in location_store()
2283 if (mddev->bitmap || mddev->bitmap_info.file || in location_store()
2284 mddev->bitmap_info.offset) { in location_store()
2290 if (mddev->pers) { in location_store()
2291 mddev->pers->quiesce(mddev, 1); in location_store()
2292 md_bitmap_destroy(mddev); in location_store()
2293 mddev->pers->quiesce(mddev, 0); in location_store()
2295 mddev->bitmap_info.offset = 0; in location_store()
2296 if (mddev->bitmap_info.file) { in location_store()
2297 struct file *f = mddev->bitmap_info.file; in location_store()
2298 mddev->bitmap_info.file = NULL; in location_store()
2321 if (mddev->bitmap_info.external == 0 && in location_store()
2322 mddev->major_version == 0 && in location_store()
2323 offset != mddev->bitmap_info.default_offset) { in location_store()
2327 mddev->bitmap_info.offset = offset; in location_store()
2328 if (mddev->pers) { in location_store()
2330 mddev->pers->quiesce(mddev, 1); in location_store()
2331 bitmap = md_bitmap_create(mddev, -1); in location_store()
2335 mddev->bitmap = bitmap; in location_store()
2336 rv = md_bitmap_load(mddev); in location_store()
2338 mddev->bitmap_info.offset = 0; in location_store()
2340 mddev->pers->quiesce(mddev, 0); in location_store()
2342 md_bitmap_destroy(mddev); in location_store()
2348 if (!mddev->external) { in location_store()
2352 set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags); in location_store()
2353 md_wakeup_thread(mddev->thread); in location_store()
2357 mddev_unlock(mddev); in location_store()
2371 space_show(struct mddev *mddev, char *page) in space_show() argument
2373 return sprintf(page, "%lu\n", mddev->bitmap_info.space); in space_show()
2377 space_store(struct mddev *mddev, const char *buf, size_t len) in space_store() argument
2389 if (mddev->bitmap && in space_store()
2390 sectors < (mddev->bitmap->storage.bytes + 511) >> 9) in space_store()
2396 mddev->bitmap_info.space = sectors; in space_store()
2404 timeout_show(struct mddev *mddev, char *page) in timeout_show() argument
2407 unsigned long secs = mddev->bitmap_info.daemon_sleep / HZ; in timeout_show()
2408 unsigned long jifs = mddev->bitmap_info.daemon_sleep % HZ; in timeout_show()
2418 timeout_store(struct mddev *mddev, const char *buf, size_t len) in timeout_store() argument
2436 mddev->bitmap_info.daemon_sleep = timeout; in timeout_store()
2437 if (mddev->thread) { in timeout_store()
2442 if (mddev->thread->timeout < MAX_SCHEDULE_TIMEOUT) { in timeout_store()
2443 mddev->thread->timeout = timeout; in timeout_store()
2444 md_wakeup_thread(mddev->thread); in timeout_store()
2454 backlog_show(struct mddev *mddev, char *page) in backlog_show() argument
2456 return sprintf(page, "%lu\n", mddev->bitmap_info.max_write_behind); in backlog_show()
2460 backlog_store(struct mddev *mddev, const char *buf, size_t len) in backlog_store() argument
2468 mddev->bitmap_info.max_write_behind = backlog; in backlog_store()
2476 chunksize_show(struct mddev *mddev, char *page) in chunksize_show() argument
2478 return sprintf(page, "%lu\n", mddev->bitmap_info.chunksize); in chunksize_show()
2482 chunksize_store(struct mddev *mddev, const char *buf, size_t len) in chunksize_store() argument
2487 if (mddev->bitmap) in chunksize_store()
2495 mddev->bitmap_info.chunksize = csize; in chunksize_store()
2502 static ssize_t metadata_show(struct mddev *mddev, char *page) in metadata_show() argument
2504 if (mddev_is_clustered(mddev)) in metadata_show()
2506 return sprintf(page, "%s\n", (mddev->bitmap_info.external in metadata_show()
2510 static ssize_t metadata_store(struct mddev *mddev, const char *buf, size_t len) in metadata_store() argument
2512 if (mddev->bitmap || in metadata_store()
2513 mddev->bitmap_info.file || in metadata_store()
2514 mddev->bitmap_info.offset) in metadata_store()
2517 mddev->bitmap_info.external = 1; in metadata_store()
2520 mddev->bitmap_info.external = 0; in metadata_store()
2529 static ssize_t can_clear_show(struct mddev *mddev, char *page) in can_clear_show() argument
2532 spin_lock(&mddev->lock); in can_clear_show()
2533 if (mddev->bitmap) in can_clear_show()
2534 len = sprintf(page, "%s\n", (mddev->bitmap->need_sync ? in can_clear_show()
2538 spin_unlock(&mddev->lock); in can_clear_show()
2542 static ssize_t can_clear_store(struct mddev *mddev, const char *buf, size_t len) in can_clear_store() argument
2544 if (mddev->bitmap == NULL) in can_clear_store()
2547 mddev->bitmap->need_sync = 1; in can_clear_store()
2549 if (mddev->degraded) in can_clear_store()
2551 mddev->bitmap->need_sync = 0; in can_clear_store()
2561 behind_writes_used_show(struct mddev *mddev, char *page) in behind_writes_used_show() argument
2564 spin_lock(&mddev->lock); in behind_writes_used_show()
2565 if (mddev->bitmap == NULL) in behind_writes_used_show()
2569 mddev->bitmap->behind_writes_used); in behind_writes_used_show()
2570 spin_unlock(&mddev->lock); in behind_writes_used_show()
2575 behind_writes_used_reset(struct mddev *mddev, const char *buf, size_t len) in behind_writes_used_reset() argument
2577 if (mddev->bitmap) in behind_writes_used_reset()
2578 mddev->bitmap->behind_writes_used = 0; in behind_writes_used_reset()