fs/efs/efs_subr.c

311 efs_extent_lookup(struct efs_mount *emp, struct efs_extent *ex,
322 	for (i = 0; i < ex->ex_length; i++) {
323 		err = efs_bread(emp, ex->ex_bn + i, NULL, &bp);
350 	struct efs_extent ex;
361 	while ((ret = efs_extent_iterator_next(&exi, &ex)) == 0) {
362 		if (efs_extent_lookup(emp, &ex, cn, ino) == 0) {
374 efs_dextent_to_extent(struct efs_dextent *dex, struct efs_extent *ex)
377 	KASSERT(dex != NULL && ex != NULL);
379 	ex->ex_magic	= dex->ex_bytes[0];
380 	ex->ex_bn	= be32toh(dex->ex_words[0]) & 0x00ffffff;
381 	ex->ex_length	= dex->ex_bytes[4];
382 	ex->ex_offset	= be32toh(dex->ex_words[1]) & 0x00ffffff;
389 efs_extent_to_dextent(struct efs_extent *ex, struct efs_dextent *dex)
392 	KASSERT(ex != NULL && dex != NULL);
393 	KASSERT(ex->ex_magic == EFS_EXTENT_MAGIC);
394 	KASSERT((ex->ex_bn & ~EFS_EXTENT_BN_MASK) == 0);
395 	KASSERT((ex->ex_offset & ~EFS_EXTENT_OFFSET_MASK) == 0);
397 	dex->ex_words[0] = htobe32(ex->ex_bn);
398 	dex->ex_bytes[0] = ex->ex_magic;
399 	dex->ex_words[1] = htobe32(ex->ex_offset);
400 	dex->ex_bytes[4] = ex->ex_length;
415 	struct efs_extent ex, ex2;
448 			efs_dextent_to_extent(&eip->ei_di.di_extents[i], &ex);
450 			offset = ex.ex_offset * EFS_BB_SIZE;
451 			length = ex.ex_length * EFS_BB_SIZE;
471 	efs_dextent_to_extent(&eip->ei_di.di_extents[0], &ex);
473 	numinextents = ex.ex_offset;
475 		EFS_DPRINTF(("efs_extent_iterator_init: bad ex.ex_offset\n"));
483 		efs_dextent_to_extent(&eip->ei_di.di_extents[i], &ex);
485 		err = efs_bread(emp, ex.ex_bn, NULL, &bp);
504 		numextents = ex.ex_length * EFS_EXTENTS_PER_BB;
520 	efs_dextent_to_extent(&eip->ei_di.di_extents[indir], &ex);
530 		err = efs_bread(emp, ex.ex_bn + bboff, NULL, &bp);
579 	struct efs_extent ex;
596 		    &eip->ei_di.di_extents[exi->exi_dnext], &ex);
602 		    ex.ex_bn + bboff, NULL, &bp);
616 		if (bboff >= ex.ex_length) {