cmd/ztest/ztest.c

3556 	uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize;
3564 	 * This test uses two objects, packobj and bigobj, that are always
3568 	 * while bigobj is a sparse array of the same bufwads.  Specifically,
3572 	 *	bigobj, at the head of the nth chunk
3573 	 *	bigobj, at the tail of the nth chunk
3581 	 * packobj and perform a dmu_free_range() on bigobj.  By comparing
3582 	 * bigobj to packobj, we can verify that the DMU is correctly
3596 	bigobj = od[0].od_object;
3609 	dmu_prefetch(os, bigobj, 0, n * chunksize, s * chunksize,
3613 	 * Pick a random index and compute the offsets into packobj and bigobj.
3628 	 * free_percent of the time, free a range of bigobj rather than
3639 	error = dmu_read(os, bigobj, bigoff, bigsize, bigbuf,
3644 	 * Get a tx for the mods to both packobj and bigobj.
3651 		dmu_tx_hold_free(tx, bigobj, bigoff, bigsize);
3653 		dmu_tx_hold_write(tx, bigobj, bigoff, bigsize);
3656 	dmu_tx_hold_bonus(tx, bigobj);
3670 	dmu_object_set_checksum(os, bigobj, cksum, tx);
3677 	dmu_object_set_compress(os, bigobj, comp, tx);
3682 	 * corresponding chunk in bigobj.  Then update all three bufwads
3735 		VERIFY(0 == dmu_free_range(os, bigobj, bigoff, bigsize, tx));
3744 		dmu_write(os, bigobj, bigoff, bigsize, bigbuf, tx);
3758 		VERIFY(0 == dmu_read(os, bigobj, bigoff,
3784 	 * corresponding chunk in bigobj.  Then update all three bufwads
3831 	uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize;
3842 	 * This test uses two objects, packobj and bigobj, that are always
3846 	 * while bigobj is a sparse array of the same bufwads.  Specifically,
3850 	 *	bigobj, at the head of the nth chunk
3851 	 *	bigobj, at the tail of the nth chunk
3853 	 * The chunk size is set equal to bigobj block size so that
3866 	bigobj = od[0].od_object;
3872 	VERIFY(dmu_object_info(os, bigobj, &doi) == 0);
3878 	 * Pick a random index and compute the offsets into packobj and bigobj.
3892 	VERIFY3U(0, ==, dmu_bonus_hold(os, bigobj, FTAG, &bonus_db));
3911 		 * that don't match bigobj blksz to test
3928 		 * Get a tx for the mods to both packobj and bigobj.
3933 		dmu_tx_hold_write(tx, bigobj, bigoff, bigsize);
3963 			error = dmu_read(os, bigobj, bigoff, bigsize,
3998 				VERIFY(dmu_buf_hold(os, bigobj, off,
4026 			VERIFY(0 == dmu_read(os, bigobj, bigoff,