154 	struct btrfs_fs_info	*fs_info;  member
212 static void scrub_recheck_block(struct btrfs_fs_info *fs_info,
242 static void scrub_remap_extent(struct btrfs_fs_info *fs_info,
252 static void __scrub_blocked_if_needed(struct btrfs_fs_info *fs_info);
253 static void scrub_blocked_if_needed(struct btrfs_fs_info *fs_info);
275 static void __scrub_blocked_if_needed(struct btrfs_fs_info *fs_info)  in __scrub_blocked_if_needed()  argument
277 	while (atomic_read(&fs_info->scrub_pause_req)) {  in __scrub_blocked_if_needed()
278 		mutex_unlock(&fs_info->scrub_lock);  in __scrub_blocked_if_needed()
279 		wait_event(fs_info->scrub_pause_wait,  in __scrub_blocked_if_needed()
280 		   atomic_read(&fs_info->scrub_pause_req) == 0);  in __scrub_blocked_if_needed()
281 		mutex_lock(&fs_info->scrub_lock);  in __scrub_blocked_if_needed()
285 static void scrub_pause_on(struct btrfs_fs_info *fs_info)  in scrub_pause_on()  argument
287 	atomic_inc(&fs_info->scrubs_paused);  in scrub_pause_on()
288 	wake_up(&fs_info->scrub_pause_wait);  in scrub_pause_on()
291 static void scrub_pause_off(struct btrfs_fs_info *fs_info)  in scrub_pause_off()  argument
293 	mutex_lock(&fs_info->scrub_lock);  in scrub_pause_off()
294 	__scrub_blocked_if_needed(fs_info);  in scrub_pause_off()
295 	atomic_dec(&fs_info->scrubs_paused);  in scrub_pause_off()
296 	mutex_unlock(&fs_info->scrub_lock);  in scrub_pause_off()
298 	wake_up(&fs_info->scrub_pause_wait);  in scrub_pause_off()
301 static void scrub_blocked_if_needed(struct btrfs_fs_info *fs_info)  in scrub_blocked_if_needed()  argument
303 	scrub_pause_on(fs_info);  in scrub_blocked_if_needed()
304 	scrub_pause_off(fs_info);  in scrub_blocked_if_needed()
419 static int lock_full_stripe(struct btrfs_fs_info *fs_info, u64 bytenr,  in lock_full_stripe()  argument
429 	bg_cache = btrfs_lookup_block_group(fs_info, bytenr);  in lock_full_stripe()
466 static int unlock_full_stripe(struct btrfs_fs_info *fs_info, u64 bytenr,  in unlock_full_stripe()  argument
480 	bg_cache = btrfs_lookup_block_group(fs_info, bytenr);  in unlock_full_stripe()
503 		btrfs_warn(fs_info, "full stripe lock at %llu refcount underflow",  in unlock_full_stripe()
576 	struct btrfs_fs_info *fs_info = dev->fs_info;  in scrub_setup_ctx()  local
585 	sctx->fs_info = dev->fs_info;  in scrub_setup_ctx()
609 	sctx->csum_size = btrfs_super_csum_size(fs_info->super_copy);  in scrub_setup_ctx()
620 		WARN_ON(!fs_info->dev_replace.tgtdev);  in scrub_setup_ctx()
622 		sctx->wr_tgtdev = fs_info->dev_replace.tgtdev;  in scrub_setup_ctx()
644 	struct btrfs_fs_info *fs_info = swarn->dev->fs_info;  in scrub_print_warning_inode()  local
653 	local_root = btrfs_read_fs_root_no_name(fs_info, &root_key);  in scrub_print_warning_inode()
702 		btrfs_warn_in_rcu(fs_info,  in scrub_print_warning_inode()
715 	btrfs_warn_in_rcu(fs_info,  in scrub_print_warning_inode()
729 	struct btrfs_fs_info *fs_info;  in scrub_print_warning()  local
745 	fs_info = sblock->sctx->fs_info;  in scrub_print_warning()
756 	ret = extent_from_logical(fs_info, swarn.logical, path, &found_key,  in scrub_print_warning()
773 			btrfs_warn_in_rcu(fs_info,  in scrub_print_warning()
787 		iterate_extent_inodes(fs_info, found_key.objectid,  in scrub_print_warning()
801 static inline void scrub_put_recover(struct btrfs_fs_info *fs_info,  in scrub_put_recover()  argument
805 		btrfs_bio_counter_dec(fs_info);  in scrub_put_recover()
823 	struct btrfs_fs_info *fs_info;  in scrub_handle_errored_block()  local
839 	fs_info = sctx->fs_info;  in scrub_handle_errored_block()
866 	ret = lock_full_stripe(fs_info, logical, &full_stripe_locked);  in scrub_handle_errored_block()
932 	scrub_recheck_block(fs_info, sblock_bad, 1);  in scrub_handle_errored_block()
1034 		scrub_recheck_block(fs_info, sblock_other, 0);  in scrub_handle_errored_block()
1128 					&fs_info->dev_replace.num_write_errors);  in scrub_handle_errored_block()
1153 			scrub_recheck_block(fs_info, sblock_bad, 1);  in scrub_handle_errored_block()
1166 			btrfs_err_rl_in_rcu(fs_info,  in scrub_handle_errored_block()
1175 		btrfs_err_rl_in_rcu(fs_info,  in scrub_handle_errored_block()
1194 					scrub_put_recover(fs_info, recover);  in scrub_handle_errored_block()
1204 	ret = unlock_full_stripe(fs_info, logical, full_stripe_locked);  in scrub_handle_errored_block()
1254 	struct btrfs_fs_info *fs_info = sctx->fs_info;  in scrub_setup_recheck_block()  local
1286 		btrfs_bio_counter_inc_blocked(fs_info);  in scrub_setup_recheck_block()
1287 		ret = btrfs_map_sblock(fs_info, BTRFS_MAP_GET_READ_MIRRORS,  in scrub_setup_recheck_block()
1291 			btrfs_bio_counter_dec(fs_info);  in scrub_setup_recheck_block()
1298 			btrfs_bio_counter_dec(fs_info);  in scrub_setup_recheck_block()
1324 				scrub_put_recover(fs_info, recover);  in scrub_setup_recheck_block()
1366 		scrub_put_recover(fs_info, recover);  in scrub_setup_recheck_block()
1380 static int scrub_submit_raid56_bio_wait(struct btrfs_fs_info *fs_info,  in scrub_submit_raid56_bio_wait()  argument
1393 	ret = raid56_parity_recover(fs_info, bio, page->recover->bbio,  in scrub_submit_raid56_bio_wait()
1403 static void scrub_recheck_block_on_raid56(struct btrfs_fs_info *fs_info,  in scrub_recheck_block_on_raid56()  argument
1425 	if (scrub_submit_raid56_bio_wait(fs_info, bio, first_page)) {  in scrub_recheck_block_on_raid56()
1449 static void scrub_recheck_block(struct btrfs_fs_info *fs_info,  in scrub_recheck_block()  argument
1459 		return scrub_recheck_block_on_raid56(fs_info, sblock);  in scrub_recheck_block()
1538 	struct btrfs_fs_info *fs_info = sblock_bad->sctx->fs_info;  in scrub_repair_page_from_good_copy()  local
1548 			btrfs_warn_rl(fs_info,  in scrub_repair_page_from_good_copy()
1568 				&fs_info->dev_replace.num_write_errors);  in scrub_repair_page_from_good_copy()
1580 	struct btrfs_fs_info *fs_info = sblock->sctx->fs_info;  in scrub_write_block_to_dev_replace()  local
1596 				&fs_info->dev_replace.num_write_errors);  in scrub_write_block_to_dev_replace()
1704 	struct btrfs_fs_info *fs_info = sbio->dev->fs_info;  in scrub_wr_bio_end_io()  local
1711 	btrfs_queue_work(fs_info->scrub_wr_completion_workers, &sbio->work);  in scrub_wr_bio_end_io()
1723 			&sbio->sctx->fs_info->dev_replace;  in scrub_wr_bio_end_io_worker()
1795 	len = sctx->fs_info->sectorsize;  in scrub_checksum_data()
1823 	struct btrfs_fs_info *fs_info = sctx->fs_info;  in scrub_checksum_tree_block()  local
1856 	if (memcmp(h->chunk_tree_uuid, fs_info->chunk_tree_uuid,  in scrub_checksum_tree_block()
1860 	len = sctx->fs_info->nodesize - BTRFS_CSUM_SIZE;  in scrub_checksum_tree_block()
2086 	struct btrfs_fs_info *fs_info = sblock->sctx->fs_info;  in scrub_missing_raid56_end_io()  local
2093 	btrfs_queue_work(fs_info->scrub_workers, &sblock->work);  in scrub_missing_raid56_end_io()
2100 	struct btrfs_fs_info *fs_info = sctx->fs_info;  in scrub_missing_raid56_worker()  local
2114 		btrfs_err_rl_in_rcu(fs_info,  in scrub_missing_raid56_worker()
2121 		btrfs_err_rl_in_rcu(fs_info,  in scrub_missing_raid56_worker()
2142 	struct btrfs_fs_info *fs_info = sctx->fs_info;  in scrub_missing_raid56_pages()  local
2151 	btrfs_bio_counter_inc_blocked(fs_info);  in scrub_missing_raid56_pages()
2152 	ret = btrfs_map_sblock(fs_info, BTRFS_MAP_GET_READ_MIRRORS, logical,  in scrub_missing_raid56_pages()
2173 	rbio = raid56_alloc_missing_rbio(fs_info, bio, bbio, length);  in scrub_missing_raid56_pages()
2193 	btrfs_bio_counter_dec(fs_info);  in scrub_missing_raid56_pages()
2293 	struct btrfs_fs_info *fs_info = sbio->dev->fs_info;  in scrub_bio_end_io()  local
2298 	btrfs_queue_work(fs_info->scrub_workers, &sbio->work);  in scrub_bio_end_io()
2350 	int sectorsize = sparity->sctx->fs_info->sectorsize;  in __scrub_mark_bitmap()
2436 	index = div_u64(logical - sum->bytenr, sctx->fs_info->sectorsize);  in scrub_find_csum()
2439 	num_sectors = sum->len / sctx->fs_info->sectorsize;  in scrub_find_csum()
2462 			blocksize = sctx->fs_info->sectorsize;  in scrub_extent()
2471 			blocksize = sctx->fs_info->nodesize;  in scrub_extent()
2477 		blocksize = sctx->fs_info->sectorsize;  in scrub_extent()
2608 		blocksize = sctx->fs_info->sectorsize;  in scrub_extent_for_parity()
2714 	struct btrfs_fs_info *fs_info = sparity->sctx->fs_info;  in scrub_parity_bio_endio()  local
2724 	btrfs_queue_work(fs_info->scrub_parity_workers, &sparity->work);  in scrub_parity_bio_endio()
2730 	struct btrfs_fs_info *fs_info = sctx->fs_info;  in scrub_parity_check_and_repair()  local
2743 	btrfs_bio_counter_inc_blocked(fs_info);  in scrub_parity_check_and_repair()
2744 	ret = btrfs_map_sblock(fs_info, BTRFS_MAP_WRITE, sparity->logic_start,  in scrub_parity_check_and_repair()
2754 	rbio = raid56_parity_alloc_scrub_rbio(fs_info, bio, bbio,  in scrub_parity_check_and_repair()
2768 	btrfs_bio_counter_dec(fs_info);  in scrub_parity_check_and_repair()
2804 	struct btrfs_fs_info *fs_info = sctx->fs_info;  in scrub_raid56_parity()  local
2805 	struct btrfs_root *root = fs_info->extent_root;  in scrub_raid56_parity()
2806 	struct btrfs_root *csum_root = fs_info->csum_root;  in scrub_raid56_parity()
2826 	nsectors = div_u64(map->stripe_len, fs_info->sectorsize);  in scrub_raid56_parity()
2850 		if (btrfs_fs_incompat(fs_info, SKINNY_METADATA))  in scrub_raid56_parity()
2897 				bytes = fs_info->nodesize;  in scrub_raid56_parity()
2921 				btrfs_err(fs_info,  in scrub_raid56_parity()
2948 			ret = btrfs_map_block(fs_info, BTRFS_MAP_READ,  in scrub_raid56_parity()
3029 	struct btrfs_fs_info *fs_info = sctx->fs_info;  in scrub_stripe()  local
3030 	struct btrfs_root *root = fs_info->extent_root;  in scrub_stripe()
3031 	struct btrfs_root *csum_root = fs_info->csum_root;  in scrub_stripe()
3123 	scrub_blocked_if_needed(fs_info);  in scrub_stripe()
3162 		if (atomic_read(&fs_info->scrub_cancel_req) ||  in scrub_stripe()
3170 		if (atomic_read(&fs_info->scrub_pause_req)) {  in scrub_stripe()
3180 			scrub_blocked_if_needed(fs_info);  in scrub_stripe()
3201 		if (btrfs_fs_incompat(fs_info, SKINNY_METADATA))  in scrub_stripe()
3250 				bytes = fs_info->nodesize;  in scrub_stripe()
3273 				btrfs_err(fs_info,  in scrub_stripe()
3303 				scrub_remap_extent(fs_info, extent_logical,  in scrub_stripe()
3403 	struct btrfs_fs_info *fs_info = sctx->fs_info;  in scrub_chunk()  local
3404 	struct btrfs_mapping_tree *map_tree = &fs_info->mapping_tree;  in scrub_chunk()
3457 	struct btrfs_fs_info *fs_info = sctx->fs_info;  in scrub_enumerate_chunks()  local
3458 	struct btrfs_root *root = fs_info->dev_root;  in scrub_enumerate_chunks()
3468 	struct btrfs_dev_replace *dev_replace = &fs_info->dev_replace;  in scrub_enumerate_chunks()
3530 		cache = btrfs_lookup_block_group(fs_info, chunk_offset);  in scrub_enumerate_chunks()
3545 		scrub_pause_on(fs_info);  in scrub_enumerate_chunks()
3568 			ret = btrfs_wait_ordered_roots(fs_info, U64_MAX,  in scrub_enumerate_chunks()
3580 					scrub_pause_off(fs_info);  in scrub_enumerate_chunks()
3586 		scrub_pause_off(fs_info);  in scrub_enumerate_chunks()
3600 			btrfs_warn(fs_info,  in scrub_enumerate_chunks()
3606 		btrfs_dev_replace_write_lock(&fs_info->dev_replace);  in scrub_enumerate_chunks()
3610 		btrfs_dev_replace_write_unlock(&fs_info->dev_replace);  in scrub_enumerate_chunks()
3633 		scrub_pause_on(fs_info);  in scrub_enumerate_chunks()
3644 		scrub_pause_off(fs_info);  in scrub_enumerate_chunks()
3646 		btrfs_dev_replace_write_lock(&fs_info->dev_replace);  in scrub_enumerate_chunks()
3649 		btrfs_dev_replace_write_unlock(&fs_info->dev_replace);  in scrub_enumerate_chunks()
3699 	struct btrfs_fs_info *fs_info = sctx->fs_info;  in scrub_supers()  local
3701 	if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state))  in scrub_supers()
3705 	if (scrub_dev->fs_devices != fs_info->fs_devices)  in scrub_supers()
3708 		gen = fs_info->last_trans_committed;  in scrub_supers()
3730 static noinline_for_stack int scrub_workers_get(struct btrfs_fs_info *fs_info,  in scrub_workers_get()  argument
3734 	int max_active = fs_info->thread_pool_size;  in scrub_workers_get()
3736 	if (fs_info->scrub_workers_refcnt == 0) {  in scrub_workers_get()
3737 		fs_info->scrub_workers = btrfs_alloc_workqueue(fs_info, "scrub",  in scrub_workers_get()
3739 		if (!fs_info->scrub_workers)  in scrub_workers_get()
3742 		fs_info->scrub_wr_completion_workers =  in scrub_workers_get()
3743 			btrfs_alloc_workqueue(fs_info, "scrubwrc", flags,  in scrub_workers_get()
3745 		if (!fs_info->scrub_wr_completion_workers)  in scrub_workers_get()
3748 		fs_info->scrub_parity_workers =  in scrub_workers_get()
3749 			btrfs_alloc_workqueue(fs_info, "scrubparity", flags,  in scrub_workers_get()
3751 		if (!fs_info->scrub_parity_workers)  in scrub_workers_get()
3754 	++fs_info->scrub_workers_refcnt;  in scrub_workers_get()
3758 	btrfs_destroy_workqueue(fs_info->scrub_wr_completion_workers);  in scrub_workers_get()
3760 	btrfs_destroy_workqueue(fs_info->scrub_workers);  in scrub_workers_get()
3765 static noinline_for_stack void scrub_workers_put(struct btrfs_fs_info *fs_info)  in scrub_workers_put()  argument
3767 	if (--fs_info->scrub_workers_refcnt == 0) {  in scrub_workers_put()
3768 		btrfs_destroy_workqueue(fs_info->scrub_workers);  in scrub_workers_put()
3769 		btrfs_destroy_workqueue(fs_info->scrub_wr_completion_workers);  in scrub_workers_put()
3770 		btrfs_destroy_workqueue(fs_info->scrub_parity_workers);  in scrub_workers_put()
3772 	WARN_ON(fs_info->scrub_workers_refcnt < 0);  in scrub_workers_put()
3775 int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start,  in btrfs_scrub_dev()  argument
3783 	if (btrfs_fs_closing(fs_info))  in btrfs_scrub_dev()
3786 	if (fs_info->nodesize > BTRFS_STRIPE_LEN) {  in btrfs_scrub_dev()
3792 		btrfs_err(fs_info,  in btrfs_scrub_dev()
3794 		       fs_info->nodesize,  in btrfs_scrub_dev()
3799 	if (fs_info->sectorsize != PAGE_SIZE) {  in btrfs_scrub_dev()
3801 		btrfs_err_rl(fs_info,  in btrfs_scrub_dev()
3803 		       fs_info->sectorsize, PAGE_SIZE);  in btrfs_scrub_dev()
3807 	if (fs_info->nodesize >  in btrfs_scrub_dev()
3809 	    fs_info->sectorsize > PAGE_SIZE * SCRUB_MAX_PAGES_PER_BLOCK) {  in btrfs_scrub_dev()
3814 		btrfs_err(fs_info,  in btrfs_scrub_dev()
3816 		       fs_info->nodesize,  in btrfs_scrub_dev()
3818 		       fs_info->sectorsize,  in btrfs_scrub_dev()
3824 	mutex_lock(&fs_info->fs_devices->device_list_mutex);  in btrfs_scrub_dev()
3825 	dev = btrfs_find_device(fs_info, devid, NULL, NULL);  in btrfs_scrub_dev()
3828 		mutex_unlock(&fs_info->fs_devices->device_list_mutex);  in btrfs_scrub_dev()
3834 		mutex_unlock(&fs_info->fs_devices->device_list_mutex);  in btrfs_scrub_dev()
3835 		btrfs_err_in_rcu(fs_info, "scrub: device %s is not writable",  in btrfs_scrub_dev()
3840 	mutex_lock(&fs_info->scrub_lock);  in btrfs_scrub_dev()
3843 		mutex_unlock(&fs_info->scrub_lock);  in btrfs_scrub_dev()
3844 		mutex_unlock(&fs_info->fs_devices->device_list_mutex);  in btrfs_scrub_dev()
3848 	btrfs_dev_replace_read_lock(&fs_info->dev_replace);  in btrfs_scrub_dev()
3851 	     btrfs_dev_replace_is_ongoing(&fs_info->dev_replace))) {  in btrfs_scrub_dev()
3852 		btrfs_dev_replace_read_unlock(&fs_info->dev_replace);  in btrfs_scrub_dev()
3853 		mutex_unlock(&fs_info->scrub_lock);  in btrfs_scrub_dev()
3854 		mutex_unlock(&fs_info->fs_devices->device_list_mutex);  in btrfs_scrub_dev()
3857 	btrfs_dev_replace_read_unlock(&fs_info->dev_replace);  in btrfs_scrub_dev()
3859 	ret = scrub_workers_get(fs_info, is_dev_replace);  in btrfs_scrub_dev()
3861 		mutex_unlock(&fs_info->scrub_lock);  in btrfs_scrub_dev()
3862 		mutex_unlock(&fs_info->fs_devices->device_list_mutex);  in btrfs_scrub_dev()
3868 		mutex_unlock(&fs_info->scrub_lock);  in btrfs_scrub_dev()
3869 		mutex_unlock(&fs_info->fs_devices->device_list_mutex);  in btrfs_scrub_dev()
3870 		scrub_workers_put(fs_info);  in btrfs_scrub_dev()
3875 	mutex_unlock(&fs_info->fs_devices->device_list_mutex);  in btrfs_scrub_dev()
3881 	__scrub_blocked_if_needed(fs_info);  in btrfs_scrub_dev()
3882 	atomic_inc(&fs_info->scrubs_running);  in btrfs_scrub_dev()
3883 	mutex_unlock(&fs_info->scrub_lock);  in btrfs_scrub_dev()
3890 		mutex_lock(&fs_info->fs_devices->device_list_mutex);  in btrfs_scrub_dev()
3892 		mutex_unlock(&fs_info->fs_devices->device_list_mutex);  in btrfs_scrub_dev()
3900 	atomic_dec(&fs_info->scrubs_running);  in btrfs_scrub_dev()
3901 	wake_up(&fs_info->scrub_pause_wait);  in btrfs_scrub_dev()
3908 	mutex_lock(&fs_info->scrub_lock);  in btrfs_scrub_dev()
3910 	scrub_workers_put(fs_info);  in btrfs_scrub_dev()
3911 	mutex_unlock(&fs_info->scrub_lock);  in btrfs_scrub_dev()
3918 void btrfs_scrub_pause(struct btrfs_fs_info *fs_info)  in btrfs_scrub_pause()  argument
3920 	mutex_lock(&fs_info->scrub_lock);  in btrfs_scrub_pause()
3921 	atomic_inc(&fs_info->scrub_pause_req);  in btrfs_scrub_pause()
3922 	while (atomic_read(&fs_info->scrubs_paused) !=  in btrfs_scrub_pause()
3923 	       atomic_read(&fs_info->scrubs_running)) {  in btrfs_scrub_pause()
3924 		mutex_unlock(&fs_info->scrub_lock);  in btrfs_scrub_pause()
3925 		wait_event(fs_info->scrub_pause_wait,  in btrfs_scrub_pause()
3926 			   atomic_read(&fs_info->scrubs_paused) ==  in btrfs_scrub_pause()
3927 			   atomic_read(&fs_info->scrubs_running));  in btrfs_scrub_pause()
3928 		mutex_lock(&fs_info->scrub_lock);  in btrfs_scrub_pause()
3930 	mutex_unlock(&fs_info->scrub_lock);  in btrfs_scrub_pause()
3933 void btrfs_scrub_continue(struct btrfs_fs_info *fs_info)  in btrfs_scrub_continue()  argument
3935 	atomic_dec(&fs_info->scrub_pause_req);  in btrfs_scrub_continue()
3936 	wake_up(&fs_info->scrub_pause_wait);  in btrfs_scrub_continue()
3939 int btrfs_scrub_cancel(struct btrfs_fs_info *fs_info)  in btrfs_scrub_cancel()  argument
3941 	mutex_lock(&fs_info->scrub_lock);  in btrfs_scrub_cancel()
3942 	if (!atomic_read(&fs_info->scrubs_running)) {  in btrfs_scrub_cancel()
3943 		mutex_unlock(&fs_info->scrub_lock);  in btrfs_scrub_cancel()
3947 	atomic_inc(&fs_info->scrub_cancel_req);  in btrfs_scrub_cancel()
3948 	while (atomic_read(&fs_info->scrubs_running)) {  in btrfs_scrub_cancel()
3949 		mutex_unlock(&fs_info->scrub_lock);  in btrfs_scrub_cancel()
3950 		wait_event(fs_info->scrub_pause_wait,  in btrfs_scrub_cancel()
3951 			   atomic_read(&fs_info->scrubs_running) == 0);  in btrfs_scrub_cancel()
3952 		mutex_lock(&fs_info->scrub_lock);  in btrfs_scrub_cancel()
3954 	atomic_dec(&fs_info->scrub_cancel_req);  in btrfs_scrub_cancel()
3955 	mutex_unlock(&fs_info->scrub_lock);  in btrfs_scrub_cancel()
3960 int btrfs_scrub_cancel_dev(struct btrfs_fs_info *fs_info,  in btrfs_scrub_cancel_dev()  argument
3965 	mutex_lock(&fs_info->scrub_lock);  in btrfs_scrub_cancel_dev()
3968 		mutex_unlock(&fs_info->scrub_lock);  in btrfs_scrub_cancel_dev()
3973 		mutex_unlock(&fs_info->scrub_lock);  in btrfs_scrub_cancel_dev()
3974 		wait_event(fs_info->scrub_pause_wait,  in btrfs_scrub_cancel_dev()
3976 		mutex_lock(&fs_info->scrub_lock);  in btrfs_scrub_cancel_dev()
3978 	mutex_unlock(&fs_info->scrub_lock);  in btrfs_scrub_cancel_dev()
3983 int btrfs_scrub_progress(struct btrfs_fs_info *fs_info, u64 devid,  in btrfs_scrub_progress()  argument
3989 	mutex_lock(&fs_info->fs_devices->device_list_mutex);  in btrfs_scrub_progress()
3990 	dev = btrfs_find_device(fs_info, devid, NULL, NULL);  in btrfs_scrub_progress()
3995 	mutex_unlock(&fs_info->fs_devices->device_list_mutex);  in btrfs_scrub_progress()
4000 static void scrub_remap_extent(struct btrfs_fs_info *fs_info,  in scrub_remap_extent()  argument
4011 	ret = btrfs_map_block(fs_info, BTRFS_MAP_READ, extent_logical,  in scrub_remap_extent()