diff options
| -rw-r--r-- | block/qcow2.c | 3 | ||||
| -rw-r--r-- | block/qcow2.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index 461cc7ab1c..ba8d71c72d 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -807,6 +807,7 @@ static void read_cache_sizes(BlockDriverState *bs, QemuOpts *opts, typedef struct Qcow2ReopenState { Qcow2Cache *l2_table_cache; Qcow2Cache *refcount_block_cache; + int l2_slice_size; /* Number of entries in a slice of the L2 table */ bool use_lazy_refcounts; int overlap_check; bool discard_passthrough[QCOW2_DISCARD_MAX]; @@ -888,6 +889,7 @@ static int qcow2_update_options_prepare(BlockDriverState *bs, } } + r->l2_slice_size = s->cluster_size / sizeof(uint64_t); r->l2_table_cache = qcow2_cache_create(bs, l2_cache_size); r->refcount_block_cache = qcow2_cache_create(bs, refcount_cache_size); if (r->l2_table_cache == NULL || r->refcount_block_cache == NULL) { @@ -1051,6 +1053,7 @@ static void qcow2_update_options_commit(BlockDriverState *bs, } s->l2_table_cache = r->l2_table_cache; s->refcount_block_cache = r->refcount_block_cache; + s->l2_slice_size = r->l2_slice_size; s->overlap_check = r->overlap_check; s->use_lazy_refcounts = r->use_lazy_refcounts; diff --git a/block/qcow2.h b/block/qcow2.h index d9ba57c030..45fb7f4299 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -251,6 +251,7 @@ typedef struct BDRVQcow2State { int cluster_bits; int cluster_size; int cluster_sectors; + int l2_slice_size; int l2_bits; int l2_size; int l1_size; |