Lines Matching refs:mddev
176 struct mddev *mddev; /* the md device that the bitmap is for */ member
232 return bitmap->mddev ? mdname(bitmap->mddev) : "mdX"; in bmname()
241 static bool bitmap_enabled(struct mddev *mddev) in bitmap_enabled() argument
243 struct bitmap *bitmap = mddev->bitmap; in bitmap_enabled()
355 static int read_sb_page(struct mddev *mddev, loff_t offset, in read_sb_page() argument
359 sector_t sector = mddev->bitmap_info.offset + offset + in read_sb_page()
363 rdev_for_each(rdev, mddev) { in read_sb_page()
377 static struct md_rdev *next_active_rdev(struct md_rdev *rdev, struct mddev *mddev) in next_active_rdev() argument
395 rdev = list_entry(&mddev->disks, struct md_rdev, same_set); in next_active_rdev()
398 rdev_dec_pending(rdev, mddev); in next_active_rdev()
400 list_for_each_entry_continue_rcu(rdev, &mddev->disks, same_set) { in next_active_rdev()
439 struct mddev *mddev = bitmap->mddev; in __write_sb_page() local
443 loff_t sboff, offset = mddev->bitmap_info.offset; in __write_sb_page()
464 if (mddev->external) { in __write_sb_page()
467 sboff < (doff + mddev->dev_sectors + PAGE_SIZE / SECTOR_SIZE)) in __write_sb_page()
476 if (doff + mddev->dev_sectors > sboff) in __write_sb_page()
487 md_super_write(mddev, rdev, sboff + ps, (int)min(size, bitmap_limit), page); in __write_sb_page()
494 struct mddev *mddev = bitmap->mddev; in write_sb_page() local
499 while ((rdev = next_active_rdev(rdev, mddev)) != NULL) { in write_sb_page()
505 } while (wait && md_super_wait(mddev) < 0); in write_sb_page()
652 if (mddev_is_clustered(bitmap->mddev)) { in filemap_write_page()
681 md_super_wait(bitmap->mddev); in md_bitmap_wait_writes()
691 if (!bitmap || !bitmap->mddev) /* no bitmap for this array */ in bitmap_update_sb()
693 if (bitmap->mddev->bitmap_info.external) in bitmap_update_sb()
698 sb->events = cpu_to_le64(bitmap->mddev->events); in bitmap_update_sb()
699 if (bitmap->mddev->events < bitmap->events_cleared) in bitmap_update_sb()
701 bitmap->events_cleared = bitmap->mddev->events; in bitmap_update_sb()
709 sb->daemon_sleep = cpu_to_le32(bitmap->mddev->bitmap_info.daemon_sleep/HZ); in bitmap_update_sb()
710 sb->write_behind = cpu_to_le32(bitmap->mddev->bitmap_info.max_write_behind); in bitmap_update_sb()
712 sb->sync_size = cpu_to_le64(bitmap->mddev->resync_max_sectors); in bitmap_update_sb()
713 sb->chunksize = cpu_to_le32(bitmap->mddev->bitmap_info.chunksize); in bitmap_update_sb()
714 sb->nodes = cpu_to_le32(bitmap->mddev->bitmap_info.nodes); in bitmap_update_sb()
715 sb->sectors_reserved = cpu_to_le32(bitmap->mddev-> in bitmap_update_sb()
780 chunksize = bitmap->mddev->bitmap_info.chunksize; in md_bitmap_new_disk_sb()
789 daemon_sleep = bitmap->mddev->bitmap_info.daemon_sleep; in md_bitmap_new_disk_sb()
795 bitmap->mddev->bitmap_info.daemon_sleep = daemon_sleep; in md_bitmap_new_disk_sb()
801 write_behind = bitmap->mddev->bitmap_info.max_write_behind; in md_bitmap_new_disk_sb()
805 bitmap->mddev->bitmap_info.max_write_behind = write_behind; in md_bitmap_new_disk_sb()
808 sb->sync_size = cpu_to_le64(bitmap->mddev->resync_max_sectors); in md_bitmap_new_disk_sb()
810 memcpy(sb->uuid, bitmap->mddev->uuid, 16); in md_bitmap_new_disk_sb()
814 bitmap->events_cleared = bitmap->mddev->events; in md_bitmap_new_disk_sb()
815 sb->events_cleared = cpu_to_le64(bitmap->mddev->events); in md_bitmap_new_disk_sb()
816 bitmap->mddev->bitmap_info.nodes = 0; in md_bitmap_new_disk_sb()
836 if (!bitmap->storage.file && !bitmap->mddev->bitmap_info.offset) { in md_bitmap_read_sb()
853 sector_t bm_blocks = bitmap->mddev->resync_max_sectors; in md_bitmap_read_sb()
856 (bitmap->mddev->bitmap_info.chunksize >> 9)); in md_bitmap_read_sb()
873 err = read_sb_page(bitmap->mddev, offset, sb_page, 0, in md_bitmap_read_sb()
913 strscpy(bitmap->mddev->bitmap_info.cluster_name, in md_bitmap_read_sb()
918 sb->sync_size = cpu_to_le64(bitmap->mddev->resync_max_sectors); in md_bitmap_read_sb()
920 if (bitmap->mddev->persistent) { in md_bitmap_read_sb()
925 if (memcmp(sb->uuid, bitmap->mddev->uuid, 16)) { in md_bitmap_read_sb()
931 if (!nodes && (events < bitmap->mddev->events)) { in md_bitmap_read_sb()
934 (unsigned long long) bitmap->mddev->events); in md_bitmap_read_sb()
950 bitmap->mddev->bitmap_info.chunksize = chunksize; in md_bitmap_read_sb()
951 err = md_setup_cluster(bitmap->mddev, nodes); in md_bitmap_read_sb()
957 bitmap->cluster_slot = bitmap->mddev->cluster_ops->slot_number(bitmap->mddev); in md_bitmap_read_sb()
964 bitmap->events_cleared = bitmap->mddev->events; in md_bitmap_read_sb()
965 bitmap->mddev->bitmap_info.chunksize = chunksize; in md_bitmap_read_sb()
966 bitmap->mddev->bitmap_info.daemon_sleep = daemon_sleep; in md_bitmap_read_sb()
967 bitmap->mddev->bitmap_info.max_write_behind = write_behind; in md_bitmap_read_sb()
968 bitmap->mddev->bitmap_info.nodes = nodes; in md_bitmap_read_sb()
969 if (bitmap->mddev->bitmap_info.space == 0 || in md_bitmap_read_sb()
970 bitmap->mddev->bitmap_info.space > sectors_reserved) in md_bitmap_read_sb()
971 bitmap->mddev->bitmap_info.space = sectors_reserved; in md_bitmap_read_sb()
975 md_cluster_stop(bitmap->mddev); in md_bitmap_read_sb()
1167 if (mddev_is_clustered(bitmap->mddev)) in md_bitmap_file_set_bit()
1198 if (mddev_is_clustered(bitmap->mddev)) in md_bitmap_file_clear_bit()
1259 mddev_add_trace_msg(bitmap->mddev, in __bitmap_unplug()
1303 static void bitmap_unplug(struct mddev *mddev, bool sync) in bitmap_unplug() argument
1305 struct bitmap *bitmap = mddev->bitmap; in bitmap_unplug()
1332 struct mddev *mddev = bitmap->mddev; in md_bitmap_init_from_disk() local
1341 if (!file && !mddev->bitmap_info.offset) { in md_bitmap_init_from_disk()
1365 if (mddev_is_clustered(mddev)) in md_bitmap_init_from_disk()
1381 ret = read_sb_page(mddev, 0, page, i + node_offset, in md_bitmap_init_from_disk()
1396 if (i == 0 && !mddev->bitmap_info.external) in md_bitmap_init_from_disk()
1452 static void bitmap_write_all(struct mddev *mddev) in bitmap_write_all() argument
1455 struct bitmap *bitmap = mddev->bitmap; in bitmap_write_all()
1492 static void mddev_set_timeout(struct mddev *mddev, unsigned long timeout, in mddev_set_timeout() argument
1498 thread = rcu_dereference(mddev->thread); in mddev_set_timeout()
1514 static void bitmap_daemon_work(struct mddev *mddev) in bitmap_daemon_work() argument
1525 mutex_lock(&mddev->bitmap_info.mutex); in bitmap_daemon_work()
1526 bitmap = mddev->bitmap; in bitmap_daemon_work()
1528 mutex_unlock(&mddev->bitmap_info.mutex); in bitmap_daemon_work()
1532 + mddev->bitmap_info.daemon_sleep)) in bitmap_daemon_work()
1537 mddev_set_timeout(mddev, MAX_SCHEDULE_TIMEOUT, true); in bitmap_daemon_work()
1542 mddev_add_trace_msg(bitmap->mddev, "md bitmap_daemon_work"); in bitmap_daemon_work()
1555 mddev->bitmap_info.external == 0) { in bitmap_daemon_work()
1631 mddev_set_timeout(mddev, mddev->bitmap_info.daemon_sleep, true); in bitmap_daemon_work()
1632 mutex_unlock(&mddev->bitmap_info.mutex); in bitmap_daemon_work()
1685 static void bitmap_start_write(struct mddev *mddev, sector_t offset, in bitmap_start_write() argument
1688 struct bitmap *bitmap = mddev->bitmap; in bitmap_start_write()
1739 static void bitmap_end_write(struct mddev *mddev, sector_t offset, in bitmap_end_write() argument
1742 struct bitmap *bitmap = mddev->bitmap; in bitmap_end_write()
1759 if (!bitmap->mddev->degraded) { in bitmap_end_write()
1760 if (bitmap->events_cleared < bitmap->mddev->events) { in bitmap_end_write()
1761 bitmap->events_cleared = bitmap->mddev->events; in bitmap_end_write()
1818 static bool bitmap_start_sync(struct mddev *mddev, sector_t offset, in bitmap_start_sync() argument
1833 rv |= __bitmap_start_sync(mddev->bitmap, offset, in bitmap_start_sync()
1873 static void bitmap_end_sync(struct mddev *mddev, sector_t offset, in bitmap_end_sync() argument
1876 __bitmap_end_sync(mddev->bitmap, offset, blocks, true); in bitmap_end_sync()
1879 static void bitmap_close_sync(struct mddev *mddev) in bitmap_close_sync() argument
1887 struct bitmap *bitmap = mddev->bitmap; in bitmap_close_sync()
1892 while (sector < bitmap->mddev->resync_max_sectors) { in bitmap_close_sync()
1898 static void bitmap_cond_end_sync(struct mddev *mddev, sector_t sector, in bitmap_cond_end_sync() argument
1903 struct bitmap *bitmap = mddev->bitmap; in bitmap_cond_end_sync()
1912 + bitmap->mddev->bitmap_info.daemon_sleep))) in bitmap_cond_end_sync()
1914 wait_event(bitmap->mddev->recovery_wait, in bitmap_cond_end_sync()
1915 atomic_read(&bitmap->mddev->recovery_active) == 0); in bitmap_cond_end_sync()
1917 bitmap->mddev->curr_resync_completed = sector; in bitmap_cond_end_sync()
1918 set_bit(MD_SB_CHANGE_CLEAN, &bitmap->mddev->sb_flags); in bitmap_cond_end_sync()
1921 while (s < sector && s < bitmap->mddev->resync_max_sectors) { in bitmap_cond_end_sync()
1926 sysfs_notify_dirent_safe(bitmap->mddev->sysfs_completed); in bitmap_cond_end_sync()
1929 static void bitmap_sync_with_cluster(struct mddev *mddev, in bitmap_sync_with_cluster() argument
1933 struct bitmap *bitmap = mddev->bitmap; in bitmap_sync_with_cluster()
1943 bitmap_start_sync(mddev, sector, &blocks, false); in bitmap_sync_with_cluster()
1976 static void bitmap_dirty_bits(struct mddev *mddev, unsigned long s, in bitmap_dirty_bits() argument
1980 struct bitmap *bitmap = mddev->bitmap; in bitmap_dirty_bits()
1990 if (sec < bitmap->mddev->resync_offset) in bitmap_dirty_bits()
1995 bitmap->mddev->resync_offset = sec; in bitmap_dirty_bits()
1999 static void bitmap_flush(struct mddev *mddev) in bitmap_flush() argument
2001 struct bitmap *bitmap = mddev->bitmap; in bitmap_flush()
2010 sleep = mddev->bitmap_info.daemon_sleep * 2; in bitmap_flush()
2012 bitmap_daemon_work(mddev); in bitmap_flush()
2014 bitmap_daemon_work(mddev); in bitmap_flush()
2016 bitmap_daemon_work(mddev); in bitmap_flush()
2017 if (mddev->bitmap_info.external) in bitmap_flush()
2018 md_super_wait(mddev); in bitmap_flush()
2034 if (mddev_is_clustered(bitmap->mddev) && bitmap->mddev->cluster_info && in md_bitmap_free()
2035 bitmap->cluster_slot == bitmap->mddev->cluster_ops->slot_number(bitmap->mddev)) in md_bitmap_free()
2036 md_cluster_stop(bitmap->mddev); in md_bitmap_free()
2058 static void bitmap_start_behind_write(struct mddev *mddev) in bitmap_start_behind_write() argument
2060 struct bitmap *bitmap = mddev->bitmap; in bitmap_start_behind_write()
2072 bw, bitmap->mddev->bitmap_info.max_write_behind); in bitmap_start_behind_write()
2075 static void bitmap_end_behind_write(struct mddev *mddev) in bitmap_end_behind_write() argument
2077 struct bitmap *bitmap = mddev->bitmap; in bitmap_end_behind_write()
2086 bitmap->mddev->bitmap_info.max_write_behind); in bitmap_end_behind_write()
2089 static void bitmap_wait_behind_writes(struct mddev *mddev) in bitmap_wait_behind_writes() argument
2091 struct bitmap *bitmap = mddev->bitmap; in bitmap_wait_behind_writes()
2096 mdname(mddev)); in bitmap_wait_behind_writes()
2103 static void bitmap_destroy(struct mddev *mddev) in bitmap_destroy() argument
2105 struct bitmap *bitmap = mddev->bitmap; in bitmap_destroy()
2110 bitmap_wait_behind_writes(mddev); in bitmap_destroy()
2111 if (!mddev->serialize_policy) in bitmap_destroy()
2112 mddev_destroy_serial_pool(mddev, NULL); in bitmap_destroy()
2114 mutex_lock(&mddev->bitmap_info.mutex); in bitmap_destroy()
2115 spin_lock(&mddev->lock); in bitmap_destroy()
2116 mddev->bitmap = NULL; /* disconnect from the md device */ in bitmap_destroy()
2117 spin_unlock(&mddev->lock); in bitmap_destroy()
2118 mutex_unlock(&mddev->bitmap_info.mutex); in bitmap_destroy()
2119 mddev_set_timeout(mddev, MAX_SCHEDULE_TIMEOUT, true); in bitmap_destroy()
2129 static struct bitmap *__bitmap_create(struct mddev *mddev, int slot) in __bitmap_create() argument
2132 sector_t blocks = mddev->resync_max_sectors; in __bitmap_create()
2133 struct file *file = mddev->bitmap_info.file; in __bitmap_create()
2139 BUG_ON(file && mddev->bitmap_info.offset); in __bitmap_create()
2141 if (test_bit(MD_HAS_JOURNAL, &mddev->flags)) { in __bitmap_create()
2143 mdname(mddev)); in __bitmap_create()
2157 bitmap->mddev = mddev; in __bitmap_create()
2160 if (mddev->kobj.sd) in __bitmap_create()
2161 bm = sysfs_get_dirent(mddev->kobj.sd, "bitmap"); in __bitmap_create()
2178 if (!mddev->bitmap_info.external) { in __bitmap_create()
2183 if (test_and_clear_bit(MD_ARRAY_FIRST_USE, &mddev->flags)) in __bitmap_create()
2189 if (mddev->bitmap_info.chunksize == 0 || in __bitmap_create()
2190 mddev->bitmap_info.daemon_sleep == 0) in __bitmap_create()
2199 err = __bitmap_resize(bitmap, blocks, mddev->bitmap_info.chunksize, in __bitmap_create()
2217 static int bitmap_create(struct mddev *mddev) in bitmap_create() argument
2219 struct bitmap *bitmap = __bitmap_create(mddev, -1); in bitmap_create()
2224 mddev->bitmap = bitmap; in bitmap_create()
2228 static int bitmap_load(struct mddev *mddev) in bitmap_load() argument
2233 struct bitmap *bitmap = mddev->bitmap; in bitmap_load()
2239 rdev_for_each(rdev, mddev) in bitmap_load()
2240 mddev_create_serial_pool(mddev, rdev); in bitmap_load()
2242 if (mddev_is_clustered(mddev)) in bitmap_load()
2243 mddev->cluster_ops->load_bitmaps(mddev, mddev->bitmap_info.nodes); in bitmap_load()
2250 while (sector < mddev->resync_max_sectors) { in bitmap_load()
2252 bitmap_start_sync(mddev, sector, &blocks, false); in bitmap_load()
2255 bitmap_close_sync(mddev); in bitmap_load()
2257 if (mddev->degraded == 0 in bitmap_load()
2258 || bitmap->events_cleared == mddev->events) in bitmap_load()
2261 start = mddev->resync_offset; in bitmap_load()
2263 mutex_lock(&mddev->bitmap_info.mutex); in bitmap_load()
2265 mutex_unlock(&mddev->bitmap_info.mutex); in bitmap_load()
2272 set_bit(MD_RECOVERY_NEEDED, &bitmap->mddev->recovery); in bitmap_load()
2274 mddev_set_timeout(mddev, mddev->bitmap_info.daemon_sleep, true); in bitmap_load()
2275 md_wakeup_thread(mddev->thread); in bitmap_load()
2286 static void *bitmap_get_from_slot(struct mddev *mddev, int slot) in bitmap_get_from_slot() argument
2291 bitmap = __bitmap_create(mddev, slot); in bitmap_get_from_slot()
2309 static int bitmap_copy_from_slot(struct mddev *mddev, int slot, sector_t *low, in bitmap_copy_from_slot() argument
2317 bitmap = bitmap_get_from_slot(mddev, slot); in bitmap_copy_from_slot()
2331 md_bitmap_set_memory_bits(mddev->bitmap, block, 1); in bitmap_copy_from_slot()
2332 md_bitmap_file_set_bit(mddev->bitmap, block); in bitmap_copy_from_slot()
2345 __bitmap_unplug(mddev->bitmap); in bitmap_copy_from_slot()
2422 long space = bitmap->mddev->bitmap_info.space; in __bitmap_resize()
2429 if (!bitmap->mddev->bitmap_info.external) in __bitmap_resize()
2432 bitmap->mddev->bitmap_info.space = space; in __bitmap_resize()
2441 if (!bitmap->mddev->bitmap_info.external) in __bitmap_resize()
2450 if (bitmap->mddev->bitmap_info.offset || bitmap->mddev->bitmap_info.file) in __bitmap_resize()
2452 !bitmap->mddev->bitmap_info.external, in __bitmap_resize()
2453 mddev_is_clustered(bitmap->mddev) in __bitmap_resize()
2470 bitmap->mddev->pers->quiesce(bitmap->mddev, 1); in __bitmap_resize()
2489 bitmap->mddev->bitmap_info.chunksize = 1UL << (chunkshift + in __bitmap_resize()
2496 if (mddev_is_clustered(bitmap->mddev)) { in __bitmap_resize()
2515 bitmap->mddev->bitmap_info.chunksize = in __bitmap_resize()
2589 bitmap->mddev->pers->quiesce(bitmap->mddev, 0); in __bitmap_resize()
2596 static int bitmap_resize(struct mddev *mddev, sector_t blocks, int chunksize, in bitmap_resize() argument
2599 struct bitmap *bitmap = mddev->bitmap; in bitmap_resize()
2608 location_show(struct mddev *mddev, char *page) in location_show() argument
2611 if (mddev->bitmap_info.file) in location_show()
2613 else if (mddev->bitmap_info.offset) in location_show()
2614 len = sprintf(page, "%+lld", (long long)mddev->bitmap_info.offset); in location_show()
2622 location_store(struct mddev *mddev, const char *buf, size_t len) in location_store() argument
2626 rv = mddev_suspend_and_lock(mddev); in location_store()
2630 if (mddev->pers) { in location_store()
2631 if (mddev->recovery || mddev->sync_thread) { in location_store()
2637 if (mddev->bitmap || mddev->bitmap_info.file || in location_store()
2638 mddev->bitmap_info.offset) { in location_store()
2645 bitmap_destroy(mddev); in location_store()
2646 mddev->bitmap_info.offset = 0; in location_store()
2647 if (mddev->bitmap_info.file) { in location_store()
2648 struct file *f = mddev->bitmap_info.file; in location_store()
2649 mddev->bitmap_info.file = NULL; in location_store()
2673 if (mddev->bitmap_info.external == 0 && in location_store()
2674 mddev->major_version == 0 && in location_store()
2675 offset != mddev->bitmap_info.default_offset) { in location_store()
2680 mddev->bitmap_info.offset = offset; in location_store()
2681 rv = bitmap_create(mddev); in location_store()
2685 rv = bitmap_load(mddev); in location_store()
2687 mddev->bitmap_info.offset = 0; in location_store()
2688 bitmap_destroy(mddev); in location_store()
2693 if (!mddev->external) { in location_store()
2697 set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags); in location_store()
2698 md_wakeup_thread(mddev->thread); in location_store()
2702 mddev_unlock_and_resume(mddev); in location_store()
2716 space_show(struct mddev *mddev, char *page) in space_show() argument
2718 return sprintf(page, "%lu\n", mddev->bitmap_info.space); in space_show()
2722 space_store(struct mddev *mddev, const char *buf, size_t len) in space_store() argument
2735 bitmap = mddev->bitmap; in space_store()
2742 mddev->bitmap_info.space = sectors; in space_store()
2750 timeout_show(struct mddev *mddev, char *page) in timeout_show() argument
2753 unsigned long secs = mddev->bitmap_info.daemon_sleep / HZ; in timeout_show()
2754 unsigned long jifs = mddev->bitmap_info.daemon_sleep % HZ; in timeout_show()
2764 timeout_store(struct mddev *mddev, const char *buf, size_t len) in timeout_store() argument
2783 mddev->bitmap_info.daemon_sleep = timeout; in timeout_store()
2784 mddev_set_timeout(mddev, timeout, false); in timeout_store()
2785 md_wakeup_thread(mddev->thread); in timeout_store()
2794 backlog_show(struct mddev *mddev, char *page) in backlog_show() argument
2796 return sprintf(page, "%lu\n", mddev->bitmap_info.max_write_behind); in backlog_show()
2800 backlog_store(struct mddev *mddev, const char *buf, size_t len) in backlog_store() argument
2803 unsigned long old_mwb = mddev->bitmap_info.max_write_behind; in backlog_store()
2812 rv = mddev_suspend_and_lock(mddev); in backlog_store()
2820 rdev_for_each(rdev, mddev) { in backlog_store()
2828 mdname(mddev)); in backlog_store()
2829 mddev_unlock(mddev); in backlog_store()
2833 mddev->bitmap_info.max_write_behind = backlog; in backlog_store()
2834 if (!backlog && mddev->serial_info_pool) { in backlog_store()
2836 if (!mddev->serialize_policy) in backlog_store()
2837 mddev_destroy_serial_pool(mddev, NULL); in backlog_store()
2838 } else if (backlog && !mddev->serial_info_pool) { in backlog_store()
2840 rdev_for_each(rdev, mddev) in backlog_store()
2841 mddev_create_serial_pool(mddev, rdev); in backlog_store()
2844 bitmap_update_sb(mddev->bitmap); in backlog_store()
2846 mddev_unlock_and_resume(mddev); in backlog_store()
2854 chunksize_show(struct mddev *mddev, char *page) in chunksize_show() argument
2856 return sprintf(page, "%lu\n", mddev->bitmap_info.chunksize); in chunksize_show()
2860 chunksize_store(struct mddev *mddev, const char *buf, size_t len) in chunksize_store() argument
2865 if (mddev->bitmap) in chunksize_store()
2876 mddev->bitmap_info.chunksize = csize; in chunksize_store()
2883 static ssize_t metadata_show(struct mddev *mddev, char *page) in metadata_show() argument
2885 if (mddev_is_clustered(mddev)) in metadata_show()
2887 return sprintf(page, "%s\n", (mddev->bitmap_info.external in metadata_show()
2891 static ssize_t metadata_store(struct mddev *mddev, const char *buf, size_t len) in metadata_store() argument
2893 if (mddev->bitmap || in metadata_store()
2894 mddev->bitmap_info.file || in metadata_store()
2895 mddev->bitmap_info.offset) in metadata_store()
2898 mddev->bitmap_info.external = 1; in metadata_store()
2901 mddev->bitmap_info.external = 0; in metadata_store()
2910 static ssize_t can_clear_show(struct mddev *mddev, char *page) in can_clear_show() argument
2915 spin_lock(&mddev->lock); in can_clear_show()
2916 bitmap = mddev->bitmap; in can_clear_show()
2922 spin_unlock(&mddev->lock); in can_clear_show()
2926 static ssize_t can_clear_store(struct mddev *mddev, const char *buf, size_t len) in can_clear_store() argument
2928 struct bitmap *bitmap = mddev->bitmap; in can_clear_store()
2939 if (mddev->degraded) in can_clear_store()
2952 behind_writes_used_show(struct mddev *mddev, char *page) in behind_writes_used_show() argument
2957 spin_lock(&mddev->lock); in behind_writes_used_show()
2958 bitmap = mddev->bitmap; in behind_writes_used_show()
2963 spin_unlock(&mddev->lock); in behind_writes_used_show()
2969 behind_writes_used_reset(struct mddev *mddev, const char *buf, size_t len) in behind_writes_used_reset() argument
2971 struct bitmap *bitmap = mddev->bitmap; in behind_writes_used_reset()
3031 void mddev_set_bitmap_ops(struct mddev *mddev) in mddev_set_bitmap_ops() argument
3033 mddev->bitmap_ops = &bitmap_ops; in mddev_set_bitmap_ops()