diff options
Diffstat (limited to 'module/zfs/spa.c')
| -rw-r--r-- | module/zfs/spa.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/module/zfs/spa.c b/module/zfs/spa.c index fabf16169..5bf59315a 100644 --- a/module/zfs/spa.c +++ b/module/zfs/spa.c @@ -1872,7 +1872,7 @@ static int spa_load_verify_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg) { - if (bp != NULL) { + if (!BP_IS_HOLE(bp)) { zio_t *rio = arg; size_t size = BP_GET_PSIZE(bp); void *data = zio_data_buf_alloc(size); @@ -2328,6 +2328,7 @@ spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config, if (spa_version(spa) >= SPA_VERSION_FEATURES) { boolean_t missing_feat_read = B_FALSE; nvlist_t *unsup_feat, *enabled_feat; + spa_feature_t i; if (spa_dir_prop(spa, DMU_POOL_FEATURES_FOR_READ, &spa->spa_feat_for_read_obj) != 0) { @@ -2398,6 +2399,33 @@ spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config, return (spa_vdev_err(rvd, VDEV_AUX_UNSUP_FEAT, ENOTSUP)); } + + /* + * Load refcounts for ZFS features from disk into an in-memory + * cache during SPA initialization. + */ + for (i = 0; i < SPA_FEATURES; i++) { + uint64_t refcount; + + error = feature_get_refcount_from_disk(spa, + &spa_feature_table[i], &refcount); + if (error == 0) { + spa->spa_feat_refcount_cache[i] = refcount; + } else if (error == ENOTSUP) { + spa->spa_feat_refcount_cache[i] = + SPA_FEATURE_DISABLED; + } else { + return (spa_vdev_err(rvd, + VDEV_AUX_CORRUPT_DATA, EIO)); + } + } + } + + if (spa_feature_is_active(spa, SPA_FEATURE_ENABLED_TXG)) { + if (spa_dir_prop(spa, DMU_POOL_FEATURE_ENABLED_TXG, + &spa->spa_feat_enabled_txg_obj) != 0) { + return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO)); + } } spa->spa_is_initializing = B_TRUE; @@ -5820,7 +5848,7 @@ spa_sync_nvlist(spa_t *spa, uint64_t obj, nvlist_t *nv, dmu_tx_t *tx) /* * Write full (SPA_CONFIG_BLOCKSIZE) blocks of configuration - * information. This avoids the dbuf_will_dirty() path and + * information. This avoids the dmu_buf_will_dirty() path and * saves us a pre-read to get data we don't actually care about. */ bufsize = P2ROUNDUP((uint64_t)nvsize, SPA_CONFIG_BLOCKSIZE); |