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()
566 			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()
723 		if (iw + 1 == wnd->nwnd)  in wnd_set_free()
729 		bh = wnd_map(wnd, iw);  in wnd_set_free()
741 		wnd->free_bits[iw] += op;  in wnd_set_free()
751 		iw += 1;  in wnd_set_free()
767 	size_t iw = bit >> (sb->s_blocksize_bits + 3);  in wnd_set_used()  local
772 	while (iw < wnd->nwnd && bits) {  in wnd_set_used()
776 		if (unlikely(iw + 1 == wnd->nwnd))  in wnd_set_used()
782 		bh = wnd_map(wnd, iw);  in wnd_set_used()
792 		wnd->free_bits[iw] -= op;  in wnd_set_used()
802 		iw += 1;  in wnd_set_used()
819 	size_t iw = bit >> (sb->s_blocksize_bits + 3);  in wnd_is_free_hlp()  local
823 	while (iw < wnd->nwnd && bits) {  in wnd_is_free_hlp()
826 		if (unlikely(iw + 1 == wnd->nwnd))  in wnd_is_free_hlp()
832 		if (wbits != wnd->free_bits[iw]) {  in wnd_is_free_hlp()
834 			struct buffer_head *bh = wnd_map(wnd, iw);  in wnd_is_free_hlp()
848 		iw += 1;  in wnd_is_free_hlp()
895 	size_t iw = bit >> (sb->s_blocksize_bits + 3);  in wnd_is_used()  local
915 	while (iw < wnd->nwnd && bits) {  in wnd_is_used()
918 		if (unlikely(iw + 1 == wnd->nwnd))  in wnd_is_used()
924 		if (wnd->free_bits[iw]) {  in wnd_is_used()
926 			struct buffer_head *bh = wnd_map(wnd, iw);  in wnd_is_used()
939 		iw += 1;  in wnd_is_used()
960 	size_t iw, prev_tail, nwnd, wbit, ebit, zbit, zend;  in wnd_find()  local
1116 	iw = hint >> log2_bits;  in wnd_find()
1131 	for (; iw < nwnd; iw++) {  in wnd_find()
1132 		wbit = iw << log2_bits;  in wnd_find()
1134 		if (!wnd->free_bits[iw]) {  in wnd_find()
1146 		if (unlikely(iw + 1 == nwnd)) {  in wnd_find()
1172 				if (wnd->free_bits[iw] == wzend - wzbit) {  in wnd_find()
1179 				bh = wnd_map(wnd, iw);  in wnd_find()
1223 		if (!wpos && fbits_valid && wnd->free_bits[iw] == wbits) {  in wnd_find()
1237 		bh = wnd_map(wnd, iw);  in wnd_find()
1313 	size_t bits, iw, new_wnd;  in wnd_extend()  local
1342 	for (iw = old_bits >> (sb->s_blocksize_bits + 3); bits; iw += 1) {  in wnd_extend()
1349 		if (iw + 1 == new_wnd)  in wnd_extend()
1353 		vbo = (u64)iw * blocksize;  in wnd_extend()
1368 		wnd->total_zeroes += frb - wnd->free_bits[iw];  in wnd_extend()
1369 		wnd->free_bits[iw] = frb;  in wnd_extend()
1412 	size_t iw = lcn_from >> (sb->s_blocksize_bits + 3);  in ntfs_trim_fs()  local
1427 	for (; iw < wnd->nbits; iw++, wbit = 0) {  in ntfs_trim_fs()
1428 		CLST lcn_wnd = iw * wbits;  in ntfs_trim_fs()
1434 		if (!wnd->free_bits[iw])  in ntfs_trim_fs()
1437 		if (iw + 1 == wnd->nwnd)  in ntfs_trim_fs()
1443 		bh = wnd_map(wnd, iw);  in ntfs_trim_fs()