55 write_record(dmu_diffarg_t *da)  in write_record()  argument
60 	if (da->da_ddr.ddr_type == DDR_NONE) {  in write_record()
61 		da->da_err = 0;  in write_record()
65 	fp = da->da_fp;  in write_record()
66 	da->da_err = zfs_file_write(fp, (caddr_t)&da->da_ddr,  in write_record()
67 	    sizeof (da->da_ddr), &resid);  in write_record()
68 	*da->da_offp += sizeof (da->da_ddr);  in write_record()
69 	return (da->da_err);  in write_record()
73 report_free_dnode_range(dmu_diffarg_t *da, uint64_t first, uint64_t last)  in report_free_dnode_range()  argument
76 	if (da->da_ddr.ddr_type != DDR_FREE ||  in report_free_dnode_range()
77 	    first != da->da_ddr.ddr_last + 1) {  in report_free_dnode_range()
78 		if (write_record(da) != 0)  in report_free_dnode_range()
79 			return (da->da_err);  in report_free_dnode_range()
80 		da->da_ddr.ddr_type = DDR_FREE;  in report_free_dnode_range()
81 		da->da_ddr.ddr_first = first;  in report_free_dnode_range()
82 		da->da_ddr.ddr_last = last;  in report_free_dnode_range()
85 	da->da_ddr.ddr_last = last;  in report_free_dnode_range()
90 report_dnode(dmu_diffarg_t *da, uint64_t object, dnode_phys_t *dnp)  in report_dnode()  argument
94 		return (report_free_dnode_range(da, object, object));  in report_dnode()
96 	if (da->da_ddr.ddr_type != DDR_INUSE ||  in report_dnode()
97 	    object != da->da_ddr.ddr_last + 1) {  in report_dnode()
98 		if (write_record(da) != 0)  in report_dnode()
99 			return (da->da_err);  in report_dnode()
100 		da->da_ddr.ddr_type = DDR_INUSE;  in report_dnode()
101 		da->da_ddr.ddr_first = da->da_ddr.ddr_last = object;  in report_dnode()
104 	da->da_ddr.ddr_last = object;  in report_dnode()
117 	dmu_diffarg_t *da = arg;  in diff_cb()  local
131 		err = report_free_dnode_range(da, dnobj,  in diff_cb()
154 			err = report_dnode(da, dnobj, blk+i);  in diff_cb()
171 	dmu_diffarg_t da;  in dmu_diff()  local
212 	da.da_fp = fp;  in dmu_diff()
213 	da.da_offp = offp;  in dmu_diff()
214 	da.da_ddr.ddr_type = DDR_NONE;  in dmu_diff()
215 	da.da_ddr.ddr_first = da.da_ddr.ddr_last = 0;  in dmu_diff()
216 	da.da_err = 0;  in dmu_diff()
228 	    TRAVERSE_LOGICAL, diff_cb, &da);  in dmu_diff()
231 		da.da_err = error;  in dmu_diff()
233 		/* we set the da.da_err we return as side-effect */  in dmu_diff()
234 		(void) write_record(&da);  in dmu_diff()
240 	return (da.da_err);  in dmu_diff()