diff options
| -rw-r--r-- | block/qcow2-cluster.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c index dbd57cd35f..62336960a5 100644 --- a/block/qcow2-cluster.c +++ b/block/qcow2-cluster.c @@ -1631,32 +1631,32 @@ int qcow2_decompress_cluster(BlockDriverState *bs, uint64_t cluster_offset) /* * This discards as many clusters of nb_clusters as possible at once (i.e. - * all clusters in the same L2 table) and returns the number of discarded + * all clusters in the same L2 slice) and returns the number of discarded * clusters. */ -static int discard_single_l2(BlockDriverState *bs, uint64_t offset, - uint64_t nb_clusters, enum qcow2_discard_type type, - bool full_discard) +static int discard_in_l2_slice(BlockDriverState *bs, uint64_t offset, + uint64_t nb_clusters, + enum qcow2_discard_type type, bool full_discard) { BDRVQcow2State *s = bs->opaque; - uint64_t *l2_table; + uint64_t *l2_slice; int l2_index; int ret; int i; - ret = get_cluster_table(bs, offset, &l2_table, &l2_index); + ret = get_cluster_table(bs, offset, &l2_slice, &l2_index); if (ret < 0) { return ret; } - /* Limit nb_clusters to one L2 table */ - nb_clusters = MIN(nb_clusters, s->l2_size - l2_index); + /* Limit nb_clusters to one L2 slice */ + nb_clusters = MIN(nb_clusters, s->l2_slice_size - l2_index); assert(nb_clusters <= INT_MAX); for (i = 0; i < nb_clusters; i++) { uint64_t old_l2_entry; - old_l2_entry = be64_to_cpu(l2_table[l2_index + i]); + old_l2_entry = be64_to_cpu(l2_slice[l2_index + i]); /* * If full_discard is false, make sure that a discarded area reads back @@ -1694,18 +1694,18 @@ static int discard_single_l2(BlockDriverState *bs, uint64_t offset, } /* First remove L2 entries */ - qcow2_cache_entry_mark_dirty(s->l2_table_cache, l2_table); + qcow2_cache_entry_mark_dirty(s->l2_table_cache, l2_slice); if (!full_discard && s->qcow_version >= 3) { - l2_table[l2_index + i] = cpu_to_be64(QCOW_OFLAG_ZERO); + l2_slice[l2_index + i] = cpu_to_be64(QCOW_OFLAG_ZERO); } else { - l2_table[l2_index + i] = cpu_to_be64(0); + l2_slice[l2_index + i] = cpu_to_be64(0); } /* Then decrease the refcount */ qcow2_free_any_clusters(bs, old_l2_entry, 1, type); } - qcow2_cache_put(s->l2_table_cache, (void **) &l2_table); + qcow2_cache_put(s->l2_table_cache, (void **) &l2_slice); return nb_clusters; } @@ -1729,10 +1729,10 @@ int qcow2_cluster_discard(BlockDriverState *bs, uint64_t offset, s->cache_discards = true; - /* Each L2 table is handled by its own loop iteration */ + /* Each L2 slice is handled by its own loop iteration */ while (nb_clusters > 0) { - cleared = discard_single_l2(bs, offset, nb_clusters, type, - full_discard); + cleared = discard_in_l2_slice(bs, offset, nb_clusters, type, + full_discard); if (cleared < 0) { ret = cleared; goto fail; |