36 static struct buffer_head *wnd_map(struct wnd_bitmap *wnd, size_t iw);
508 	size_t wpos, wbit, iw, vbo;  in wnd_rescan()  local
519 	for (iw = 0; iw < wnd->nwnd; iw++) {  in wnd_rescan()
520 		if (iw + 1 == wnd->nwnd)  in wnd_rescan()
524 			if (!wnd->free_bits[iw]) {  in wnd_rescan()
534 			if (wbits == wnd->free_bits[iw]) {  in wnd_rescan()
564 			wnd->free_bits[iw] = frb;  in wnd_rescan()
680 static struct buffer_head *wnd_map(struct wnd_bitmap *wnd, size_t iw)  in wnd_map()  argument
690 	vbo = (u64)iw << sb->s_blocksize_bits;  in wnd_map()
715 	size_t iw = bit >> (sb->s_blocksize_bits + 3);  in wnd_set_free()  local
719 	while (iw < wnd->nwnd && bits) {  in wnd_set_free()
722 		if (iw + 1 == wnd->nwnd)  in wnd_set_free()
728 		bh = wnd_map(wnd, iw);  in wnd_set_free()
738 		wnd->free_bits[iw] += op;  in wnd_set_free()
748 		iw += 1;  in wnd_set_free()
764 	size_t iw = bit >> (sb->s_blocksize_bits + 3);  in wnd_set_used()  local
769 	while (iw < wnd->nwnd && bits) {  in wnd_set_used()
772 		if (unlikely(iw + 1 == wnd->nwnd))  in wnd_set_used()
778 		bh = wnd_map(wnd, iw);  in wnd_set_used()
787 		wnd->free_bits[iw] -= op;  in wnd_set_used()
797 		iw += 1;  in wnd_set_used()
852 	size_t iw = bit >> (sb->s_blocksize_bits + 3);  in wnd_is_free_hlp()  local
856 	while (iw < wnd->nwnd && bits) {  in wnd_is_free_hlp()
859 		if (unlikely(iw + 1 == wnd->nwnd))  in wnd_is_free_hlp()
865 		if (wbits != wnd->free_bits[iw]) {  in wnd_is_free_hlp()
867 			struct buffer_head *bh = wnd_map(wnd, iw);  in wnd_is_free_hlp()
881 		iw += 1;  in wnd_is_free_hlp()
928 	size_t iw = bit >> (sb->s_blocksize_bits + 3);  in wnd_is_used()  local
948 	while (iw < wnd->nwnd && bits) {  in wnd_is_used()
951 		if (unlikely(iw + 1 == wnd->nwnd))  in wnd_is_used()
957 		if (wnd->free_bits[iw]) {  in wnd_is_used()
959 			struct buffer_head *bh = wnd_map(wnd, iw);  in wnd_is_used()
972 		iw += 1;  in wnd_is_used()
993 	size_t iw, prev_tail, nwnd, wbit, ebit, zbit, zend;  in wnd_find()  local
1148 	iw = hint >> log2_bits;  in wnd_find()
1163 	for (; iw < nwnd; iw++) {  in wnd_find()
1164 		wbit = iw << log2_bits;  in wnd_find()
1166 		if (!wnd->free_bits[iw]) {  in wnd_find()
1178 		if (unlikely(iw + 1 == nwnd)) {  in wnd_find()
1204 				if (wnd->free_bits[iw] == wzend - wzbit) {  in wnd_find()
1211 				bh = wnd_map(wnd, iw);  in wnd_find()
1254 		if (!wpos && fbits_valid && wnd->free_bits[iw] == wbits) {  in wnd_find()
1268 		bh = wnd_map(wnd, iw);  in wnd_find()
1342 	size_t bits, iw, new_wnd;  in wnd_extend()  local
1371 	for (iw = old_bits >> (sb->s_blocksize_bits + 3); bits; iw += 1) {  in wnd_extend()
1377 		if (iw + 1 == new_wnd)  in wnd_extend()
1381 		vbo = (u64)iw * blocksize;  in wnd_extend()
1395 		wnd->total_zeroes += frb - wnd->free_bits[iw];  in wnd_extend()
1396 		wnd->free_bits[iw] = frb;  in wnd_extend()
1439 	size_t iw = lcn_from >> (sb->s_blocksize_bits + 3);  in ntfs_trim_fs()  local
1453 	for (; iw < wnd->nwnd; iw++, wbit = 0) {  in ntfs_trim_fs()
1454 		CLST lcn_wnd = iw * wbits;  in ntfs_trim_fs()
1460 		if (!wnd->free_bits[iw])  in ntfs_trim_fs()
1463 		if (iw + 1 == wnd->nwnd)  in ntfs_trim_fs()
1469 		bh = wnd_map(wnd, iw);  in ntfs_trim_fs()