52 write_record(struct diffarg *da)  in write_record()  argument
56 	if (da->da_ddr.ddr_type == DDR_NONE) {  in write_record()
57 		da->da_err = 0;  in write_record()
61 	da->da_err = vn_rdwr(UIO_WRITE, da->da_vp, (caddr_t)&da->da_ddr,  in write_record()
62 	    sizeof (da->da_ddr), 0, UIO_SYSSPACE, FAPPEND,  in write_record()
64 	*da->da_offp += sizeof (da->da_ddr);  in write_record()
65 	return (da->da_err);  in write_record()
69 report_free_dnode_range(struct diffarg *da, uint64_t first, uint64_t last)  in report_free_dnode_range()  argument
72 	if (da->da_ddr.ddr_type != DDR_FREE ||  in report_free_dnode_range()
73 	    first != da->da_ddr.ddr_last + 1) {  in report_free_dnode_range()
74 		if (write_record(da) != 0)  in report_free_dnode_range()
75 			return (da->da_err);  in report_free_dnode_range()
76 		da->da_ddr.ddr_type = DDR_FREE;  in report_free_dnode_range()
77 		da->da_ddr.ddr_first = first;  in report_free_dnode_range()
78 		da->da_ddr.ddr_last = last;  in report_free_dnode_range()
81 	da->da_ddr.ddr_last = last;  in report_free_dnode_range()
86 report_dnode(struct diffarg *da, uint64_t object, dnode_phys_t *dnp)  in report_dnode()  argument
90 		return (report_free_dnode_range(da, object, object));  in report_dnode()
92 	if (da->da_ddr.ddr_type != DDR_INUSE ||  in report_dnode()
93 	    object != da->da_ddr.ddr_last + 1) {  in report_dnode()
94 		if (write_record(da) != 0)  in report_dnode()
95 			return (da->da_err);  in report_dnode()
96 		da->da_ddr.ddr_type = DDR_INUSE;  in report_dnode()
97 		da->da_ddr.ddr_first = da->da_ddr.ddr_last = object;  in report_dnode()
100 	da->da_ddr.ddr_last = object;  in report_dnode()
113 	struct diffarg *da = arg;  in diff_cb()  local
126 		err = report_free_dnode_range(da, dnobj,  in diff_cb()
149 			err = report_dnode(da, dnobj, blk+i);  in diff_cb()
166 	struct diffarg da;  in dmu_diff()  local
207 	da.da_vp = vp;  in dmu_diff()
208 	da.da_offp = offp;  in dmu_diff()
209 	da.da_ddr.ddr_type = DDR_NONE;  in dmu_diff()
210 	da.da_ddr.ddr_first = da.da_ddr.ddr_last = 0;  in dmu_diff()
211 	da.da_err = 0;  in dmu_diff()
223 	    diff_cb, &da);  in dmu_diff()
226 		da.da_err = error;  in dmu_diff()
229 		(void) write_record(&da);  in dmu_diff()
235 	return (da.da_err);  in dmu_diff()