360 	struct wnd_bitmap *wnd = &sbi->used.bitmap;  in ntfs_look_for_free_space()  local
362 	down_write_nested(&wnd->rw_lock, BITMAP_MUTEX_CLUSTERS);  in ntfs_look_for_free_space()
364 		zlen = wnd_zone_len(wnd);  in ntfs_look_for_free_space()
371 			zlen = wnd_zone_len(wnd);  in ntfs_look_for_free_space()
380 		lcn = wnd_zone_bit(wnd);  in ntfs_look_for_free_space()
383 		wnd_zone_set(wnd, lcn + alen, zlen - alen);  in ntfs_look_for_free_space()
385 		err = wnd_set_used(wnd, lcn, alen);  in ntfs_look_for_free_space()
399 	if (lcn >= wnd->nbits)  in ntfs_look_for_free_space()
402 	alen = wnd_find(wnd, len, lcn, BITMAP_FIND_MARK_AS_USED, &alcn);  in ntfs_look_for_free_space()
407 	zlen = wnd_zone_len(wnd);  in ntfs_look_for_free_space()
408 	zeroes = wnd_zeroes(wnd);  in ntfs_look_for_free_space()
417 	zlcn = wnd_zone_bit(wnd);  in ntfs_look_for_free_space()
422 	wnd_zone_set(wnd, zlcn, new_zlen);  in ntfs_look_for_free_space()
425 	alen = wnd_find(wnd, len, 0,  in ntfs_look_for_free_space()
443 	up_write(&wnd->rw_lock);  in ntfs_look_for_free_space()
455 	struct wnd_bitmap *wnd;  in ntfs_check_for_free_space()  local
457 	wnd = &sbi->used.bitmap;  in ntfs_check_for_free_space()
458 	down_read_nested(&wnd->rw_lock, BITMAP_MUTEX_CLUSTERS);  in ntfs_check_for_free_space()
459 	free = wnd_zeroes(wnd);  in ntfs_check_for_free_space()
460 	zlen = min_t(size_t, NTFS_MIN_MFT_ZONE, wnd_zone_len(wnd));  in ntfs_check_for_free_space()
461 	up_read(&wnd->rw_lock);  in ntfs_check_for_free_space()
468 	wnd = &sbi->mft.bitmap;  in ntfs_check_for_free_space()
469 	down_read_nested(&wnd->rw_lock, BITMAP_MUTEX_MFT);  in ntfs_check_for_free_space()
470 	free = wnd_zeroes(wnd);  in ntfs_check_for_free_space()
471 	zlen = wnd_zone_len(wnd);  in ntfs_check_for_free_space()
472 	up_read(&wnd->rw_lock);  in ntfs_check_for_free_space()
505 	struct wnd_bitmap *wnd = &sbi->mft.bitmap;  in ntfs_extend_mft()  local
507 	new_mft_total = ALIGN(wnd->nbits + NTFS_MFT_INCREASE_STEP, 128);  in ntfs_extend_mft()
541 	err = wnd_extend(wnd, new_mft_total);  in ntfs_extend_mft()
564 	struct wnd_bitmap *wnd = &sbi->mft.bitmap;  in ntfs_look_free_mft()  local
571 		down_write_nested(&wnd->rw_lock, BITMAP_MUTEX_MFT);  in ntfs_look_free_mft()
573 	zlen = wnd_zone_len(wnd);  in ntfs_look_free_mft()
578 			zbit = wnd_zone_bit(wnd);  in ntfs_look_free_mft()
580 			wnd_zone_set(wnd, zbit + 1, zlen - 1);  in ntfs_look_free_mft()
586 	if (!wnd_find(wnd, 1, MFT_REC_FREE, 0, &zbit)) {  in ntfs_look_free_mft()
588 		mft_total = wnd->nbits;  in ntfs_look_free_mft()
668 		if (zbit + zlen > wnd->nbits)  in ntfs_look_free_mft()
669 			zlen = wnd->nbits - zbit;  in ntfs_look_free_mft()
671 		while (zlen > 1 && !wnd_is_free(wnd, zbit, zlen))  in ntfs_look_free_mft()
691 	wnd_zone_set(wnd, zbit, zlen);  in ntfs_look_free_mft()
701 			} else if (!wnd_find(wnd, 1, MFT_REC_USER, 0, &fr)) {  in ntfs_look_free_mft()
722 		wnd_set_used(wnd, *rno, 1);  in ntfs_look_free_mft()
728 		up_write(&wnd->rw_lock);  in ntfs_look_free_mft()
739 	struct wnd_bitmap *wnd = &sbi->mft.bitmap;  in ntfs_mark_rec_free()  local
742 		down_write_nested(&wnd->rw_lock, BITMAP_MUTEX_MFT);  in ntfs_mark_rec_free()
743 	if (rno >= wnd->nbits)  in ntfs_mark_rec_free()
747 		if (!wnd_is_used(wnd, rno, 1))  in ntfs_mark_rec_free()
750 			wnd_set_free(wnd, rno, 1);  in ntfs_mark_rec_free()
755 	if (rno < wnd_zone_bit(wnd))  in ntfs_mark_rec_free()
756 		wnd_zone_set(wnd, rno, 1);  in ntfs_mark_rec_free()
762 		up_write(&wnd->rw_lock);  in ntfs_mark_rec_free()
817 	struct wnd_bitmap *wnd = &sbi->used.bitmap;  in ntfs_refresh_zone()  local
821 	if (wnd_zone_len(wnd))  in ntfs_refresh_zone()
837 	zlen = wnd_find(wnd, sbi->zone_max, lcn_s, 0, &lcn_s);  in ntfs_refresh_zone()
838 	wnd_zone_set(wnd, lcn_s, zlen);  in ntfs_refresh_zone()
2485 	struct wnd_bitmap *wnd = &sbi->used.bitmap;  in mark_as_free_ex()  local
2488 	down_write_nested(&wnd->rw_lock, BITMAP_MUTEX_CLUSTERS);  in mark_as_free_ex()
2489 	if (!wnd_is_used(wnd, lcn, len)) {  in mark_as_free_ex()
2496 			if (wnd_is_used(wnd, i, 1)) {  in mark_as_free_ex()
2509 			wnd_set_free(wnd, lcn, len);  in mark_as_free_ex()
2519 	wnd_set_free(wnd, lcn, len);  in mark_as_free_ex()
2522 	zone_len = wnd_zone_len(wnd);  in mark_as_free_ex()
2530 			wnd_zone_set(wnd, lcn, zlen);  in mark_as_free_ex()
2532 		CLST zone_lcn = wnd_zone_bit(wnd);  in mark_as_free_ex()
2536 			wnd_zone_set(wnd, lcn, zlen);  in mark_as_free_ex()
2539 			wnd_zone_set(wnd, zone_lcn, zlen);  in mark_as_free_ex()
2544 	up_write(&wnd->rw_lock);  in mark_as_free_ex()