Cross Reference: /osnet-11/usr/src/lib/libntfs/common/libntfs/compress.c

Lines Matching refs:na
265 static BOOL ntfs_is_cb_compressed(ntfs_attr *na,
281 			rl = ntfs_attr_find_vcn(na, rl->vcn);
305  * @na:		ntfs attribute to read from
313  * compressed ntfs attribute @na into the data buffer @b.
324 s64 ntfs_compressed_attr_pread(ntfs_attr *na, s64 pos, s64 count, void *b)
337 			(unsigned long long)na->ni->mft_no, na->type,
339 	if (!na || !NAttrCompressed(na) || !na->ni || !na->ni->vol || !b ||
348 	if (NAttrEncrypted(na)) {
355 	if (pos + count > na->data_size) {
356 		if (pos >= na->data_size) {
359 		count = na->data_size - pos;
362 	if (!NAttrNonResident(na))
363 		return ntfs_attr_pread(na, pos, count, b);
366 	if (pos + count > na->initialized_size) {
367 		if (pos >= na->initialized_size) {
371 		total2 = pos + count - na->initialized_size;
375 	vol = na->ni->vol;
376 	cb_size = na->compression_block_size;
378 	cb_clusters = na->compression_block_clusters;
408 			na->compression_block_size_bits;
417 	rl = ntfs_attr_find_vcn(na, vcn);
436 	} else if (!ntfs_is_cb_compressed(na, rl, vcn, cb_clusters)) {
453 		NAttrClearCompressed(na);
454 		tdata_size = na->data_size;
455 		tinitialized_size = na->initialized_size;
456 		na->data_size = na->initialized_size = na->allocated_size;
458 			br = ntfs_attr_pread(na, ofs, to_read, b);
461 				na->data_size = tdata_size;
462 				na->initialized_size = tinitialized_size;
463 				NAttrSetCompressed(na);
477 		na->data_size = tdata_size;
478 		na->initialized_size = tinitialized_size;
479 		NAttrSetCompressed(na);
499 		NAttrClearCompressed(na);
500 		tdata_size = na->data_size;
501 		tinitialized_size = na->initialized_size;
502 		na->data_size = na->initialized_size = na->allocated_size;
504 			br = ntfs_attr_pread(na,
509 				na->data_size = tdata_size;
510 				na->initialized_size = tinitialized_size;
511 				NAttrSetCompressed(na);
522 		na->data_size = tdata_size;
523 		na->initialized_size = tinitialized_size;
524 		NAttrSetCompressed(na);