int
bplist_space(bplist_t *bpl, uint64_t *usedp, uint64_t *compp, uint64_t *uncompp)
{
uint64_t itor = 0, comp = 0, uncomp = 0;
int err;
blkptr_t bp;
mutex_enter(&bpl->bpl_lock);
err = bplist_hold(bpl);
if (err) {
mutex_exit(&bpl->bpl_lock);
return (err);
}
*usedp = bpl->bpl_phys->bpl_bytes;
if (bpl->bpl_havecomp) {
*compp = bpl->bpl_phys->bpl_comp;
*uncompp = bpl->bpl_phys->bpl_uncomp;
}
mutex_exit(&bpl->bpl_lock);
if (!bpl->bpl_havecomp) {
while ((err = bplist_iterate(bpl, &itor, &bp)) == 0) {
comp += BP_GET_PSIZE(&bp);
uncomp += BP_GET_UCSIZE(&bp);
}
if (err == ENOENT)
err = 0;
*compp = comp;
*uncompp = uncomp;
}
return (err);
}
int
bplist_enqueue(bplist_t *bpl, const blkptr_t *bp, dmu_tx_t *tx)
{
uint64_t blk, off;
blkptr_t *bparray;
int err;
ASSERT(!BP_IS_HOLE(bp));
mutex_enter(&bpl->bpl_lock);
err = bplist_hold(bpl);
if (err)
return (err);
blk = bpl->bpl_phys->bpl_entries >> bpl->bpl_bpshift;
off = P2PHASE(bpl->bpl_phys->bpl_entries, 1ULL << bpl->bpl_bpshift);
err = bplist_cache(bpl, blk);
if (err) {
mutex_exit(&bpl->bpl_lock);
return (err);
}
dmu_buf_will_dirty(bpl->bpl_cached_dbuf, tx);
bparray = bpl->bpl_cached_dbuf->db_data;
bparray[off] = *bp;
/* We never need the fill count. */
bparray[off].blk_fill = 0;
/* The bplist will compress better if we can leave off the checksum */
if (!BP_GET_DEDUP(&bparray[off]))
bzero(&bparray[off].blk_cksum, sizeof (bparray[off].blk_cksum));
dmu_buf_will_dirty(bpl->bpl_dbuf, tx);
bpl->bpl_phys->bpl_entries++;
bpl->bpl_phys->bpl_bytes +=
bp_get_dsize_sync(dmu_objset_spa(bpl->bpl_mos), bp);
if (bpl->bpl_havecomp) {
bpl->bpl_phys->bpl_comp += BP_GET_PSIZE(bp);
bpl->bpl_phys->bpl_uncomp += BP_GET_UCSIZE(bp);
}
mutex_exit(&bpl->bpl_lock);
return (0);
}
static int
process_old_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
{
struct process_old_arg *poa = arg;
dsl_pool_t *dp = poa->ds->ds_dir->dd_pool;
ASSERT(!BP_IS_HOLE(bp));
if (bp->blk_birth <= dsl_dataset_phys(poa->ds)->ds_prev_snap_txg) {
dsl_deadlist_insert(&poa->ds->ds_deadlist, bp, tx);
if (poa->ds_prev && !poa->after_branch_point &&
bp->blk_birth >
dsl_dataset_phys(poa->ds_prev)->ds_prev_snap_txg) {
dsl_dataset_phys(poa->ds_prev)->ds_unique_bytes +=
bp_get_dsize_sync(dp->dp_spa, bp);
}
} else {
poa->used += bp_get_dsize_sync(dp->dp_spa, bp);
poa->comp += BP_GET_PSIZE(bp);
poa->uncomp += BP_GET_UCSIZE(bp);
dsl_free_sync(poa->pio, dp, tx->tx_txg, bp);
}
return (0);
}
