ntfs/libntfs/attrib.c

914 	s64 br, to_read, ofs, total, total2, max_read, max_init;
1049 	ofs = pos - (rl->vcn << vol->cluster_size_bits);
1050 	for (; count; rl++, ofs = 0) {
1062 			ofs = pos + total - (rl->vcn << vol->cluster_size_bits);
1078 					vol->cluster_size_bits) - ofs);
1088 				ofs);
1090 		ntfs_log_trace("Reading %lld bytes from vcn %lld, lcn %lld, ofs"
1092 			       (long long )rl->lcn, (long long)ofs);
1094 				ofs, to_read, b);
1224 static int ntfs_attr_fill_hole(ntfs_attr *na, s64 count, s64 *ofs,
1235 	to_write = min(count, ((*rl)->length << vol->cluster_size_bits) - *ofs);
1238 	from_vcn = (*rl)->vcn + (*ofs >> vol->cluster_size_bits);
1240 	ntfs_log_trace("count: %lld, cur_vcn: %lld, from: %lld, to: %lld, ofs: "
1242 		       (long long)from_vcn, (long long)to_write, (long long)*ofs);
1307 	need = ((*ofs + to_write - 1) >> vol->cluster_size_bits)
1390 	if (*ofs) {
1391 		/* Clear non-sparse region from @cur_vcn to @*ofs. */
1393 					*ofs))
1401 		*ofs += (cur_vcn - (*rl)->vcn) << vol->cluster_size_bits;
1407 		*ofs -= ((*rl)->vcn - cur_vcn) << vol->cluster_size_bits;
1762 	s64 written, to_write, ofs, old_initialized_size, old_data_size;
2081 	ofs = pos - (rl->vcn << vol->cluster_size_bits);
2087 	for (hole_end = 0; count; rl++, ofs = 0) {
2099 			ofs = pos + total - (rl->vcn << vol->cluster_size_bits);
2116 			if (ntfs_attr_fill_hole(na, fullcount, &ofs, &rl,
2122 			    && (ofs >= (rl->length << vol->cluster_size_bits))) {
2123 				ofs -= rl->length << vol->cluster_size_bits;
2129 		to_write = min(count, (rl->length << vol->cluster_size_bits) - ofs);
2131 		ntfs_log_trace("Writing %lld bytes to vcn %lld, lcn %lld, ofs "
2133 			       (long long)rl->lcn, (long long)ofs);
2136 			s64 wpos = (rl->lcn << vol->cluster_size_bits) + ofs;
2137 			s64 wend = (rl->vcn << vol->cluster_size_bits) + ofs + to_write;
2167 						rl, wpos, ofs, to_write,
2181 						rl, wpos, ofs, to_write,
2309 	s64 ofs;
2407 	ofs = na->initialized_size - (rl->vcn << vol->cluster_size_bits);
2420 		ofs = na->initialized_size - (rl->vcn << vol->cluster_size_bits);
2436 		if (ntfs_attr_fill_hole(na, (s64)0, &ofs, &rl, &update_from))
2440 	    && (ofs >= (rl->length << vol->cluster_size_bits))) {
2441 		ofs -= rl->length << vol->cluster_size_bits;
2449 		failed = ntfs_compressed_close(na, rl, ofs, &update_from);