sa_data_op_t action, sa_data_locator_t *locator, void *datastart,
uint16_t buflen, dmu_tx_t *tx);
-arc_byteswap_func_t *sa_bswap_table[] = {
+arc_byteswap_func_t sa_bswap_table[] = {
byteswap_uint64_array,
byteswap_uint32_array,
byteswap_uint16_array,
{
int var_size = 0;
int i;
+ int j = -1;
int full_space;
int hdrsize;
boolean_t done = B_FALSE;
if (is_var_sz && var_size > 1) {
if (P2ROUNDUP(hdrsize + sizeof (uint16_t), 8) +
*total < full_space) {
+ /*
+ * Account for header space used by array of
+ * optional sizes of variable-length attributes.
+ * Record the index in case this increase needs
+ * to be reversed due to spill-over.
+ */
hdrsize += sizeof (uint16_t);
+ j = i;
} else {
done = B_TRUE;
*index = i;
*will_spill = B_TRUE;
}
+ /*
+ * j holds the index of the last variable-sized attribute for
+ * which hdrsize was increased. Reverse the increase if that
+ * attribute will be relocated to the spill block.
+ */
+ if (*will_spill && j == *index)
+ hdrsize -= sizeof (uint16_t);
+
hdrsize = P2ROUNDUP(hdrsize, 8);
return (hdrsize);
}