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[Qemu-devel] [PATCH] qcow2: Rename BDRVQcowState to BDRVQcow2State


From: Kevin Wolf
Subject: [Qemu-devel] [PATCH] qcow2: Rename BDRVQcowState to BDRVQcow2State
Date: Mon, 7 Sep 2015 17:14:55 +0200

BDRVQcowState is already used by qcow1, and gdb is always confused which
one to use. Rename the qcow2 one so they can be distinguished.

Signed-off-by: Kevin Wolf <address@hidden>
---
 block/qcow2-cache.c    | 14 ++++-----
 block/qcow2-cluster.c  | 48 +++++++++++++++----------------
 block/qcow2-refcount.c | 58 ++++++++++++++++++-------------------
 block/qcow2-snapshot.c | 20 ++++++-------
 block/qcow2.c          | 78 +++++++++++++++++++++++++-------------------------
 block/qcow2.h          | 22 +++++++-------
 6 files changed, 120 insertions(+), 120 deletions(-)

diff --git a/block/qcow2-cache.c b/block/qcow2-cache.c
index 046f5b8..7b14c5c 100644
--- a/block/qcow2-cache.c
+++ b/block/qcow2-cache.c
@@ -55,14 +55,14 @@ struct Qcow2Cache {
 static inline void *qcow2_cache_get_table_addr(BlockDriverState *bs,
                     Qcow2Cache *c, int table)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     return (uint8_t *) c->table_array + (size_t) table * s->cluster_size;
 }
 
 static inline int qcow2_cache_get_table_idx(BlockDriverState *bs,
                   Qcow2Cache *c, void *table)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     ptrdiff_t table_offset = (uint8_t *) table - (uint8_t *) c->table_array;
     int idx = table_offset / s->cluster_size;
     assert(idx >= 0 && idx < c->size && table_offset % s->cluster_size == 0);
@@ -73,7 +73,7 @@ static void qcow2_cache_table_release(BlockDriverState *bs, 
Qcow2Cache *c,
                                       int i, int num_tables)
 {
 #if QEMU_MADV_DONTNEED != QEMU_MADV_INVALID
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     void *t = qcow2_cache_get_table_addr(bs, c, i);
     int align = getpagesize();
     size_t mem_size = (size_t) s->cluster_size * num_tables;
@@ -121,7 +121,7 @@ void qcow2_cache_clean_unused(BlockDriverState *bs, 
Qcow2Cache *c)
 
 Qcow2Cache *qcow2_cache_create(BlockDriverState *bs, int num_tables)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     Qcow2Cache *c;
 
     c = g_new0(Qcow2Cache, 1);
@@ -172,7 +172,7 @@ static int qcow2_cache_flush_dependency(BlockDriverState 
*bs, Qcow2Cache *c)
 
 static int qcow2_cache_entry_flush(BlockDriverState *bs, Qcow2Cache *c, int i)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int ret = 0;
 
     if (!c->entries[i].dirty || !c->entries[i].offset) {
@@ -229,7 +229,7 @@ static int qcow2_cache_entry_flush(BlockDriverState *bs, 
Qcow2Cache *c, int i)
 
 int qcow2_cache_flush(BlockDriverState *bs, Qcow2Cache *c)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int result = 0;
     int ret;
     int i;
@@ -306,7 +306,7 @@ int qcow2_cache_empty(BlockDriverState *bs, Qcow2Cache *c)
 static int qcow2_cache_do_get(BlockDriverState *bs, Qcow2Cache *c,
     uint64_t offset, void **table, bool read_from_disk)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int i;
     int ret;
     int lookup_index;
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index b43f186..2975b83 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -32,7 +32,7 @@
 int qcow2_grow_l1_table(BlockDriverState *bs, uint64_t min_size,
                         bool exact_size)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int new_l1_size2, ret, i;
     uint64_t *new_l1_table;
     int64_t old_l1_table_offset, old_l1_size;
@@ -148,7 +148,7 @@ int qcow2_grow_l1_table(BlockDriverState *bs, uint64_t 
min_size,
 static int l2_load(BlockDriverState *bs, uint64_t l2_offset,
     uint64_t **l2_table)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int ret;
 
     ret = qcow2_cache_get(bs, s->l2_table_cache, l2_offset, (void**) l2_table);
@@ -163,7 +163,7 @@ static int l2_load(BlockDriverState *bs, uint64_t l2_offset,
 #define L1_ENTRIES_PER_SECTOR (512 / 8)
 int qcow2_write_l1_entry(BlockDriverState *bs, int l1_index)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t buf[L1_ENTRIES_PER_SECTOR] = { 0 };
     int l1_start_index;
     int i, ret;
@@ -203,7 +203,7 @@ int qcow2_write_l1_entry(BlockDriverState *bs, int l1_index)
 
 static int l2_allocate(BlockDriverState *bs, int l1_index, uint64_t **table)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t old_l2_offset;
     uint64_t *l2_table = NULL;
     int64_t l2_offset;
@@ -339,7 +339,7 @@ static int count_contiguous_free_clusters(uint64_t 
nb_clusters, uint64_t *l2_tab
 /* The crypt function is compatible with the linux cryptoloop
    algorithm for < 4 GB images. NOTE: out_buf == in_buf is
    supported */
-int qcow2_encrypt_sectors(BDRVQcowState *s, int64_t sector_num,
+int qcow2_encrypt_sectors(BDRVQcow2State *s, int64_t sector_num,
                           uint8_t *out_buf, const uint8_t *in_buf,
                           int nb_sectors, bool enc,
                           Error **errp)
@@ -387,7 +387,7 @@ static int coroutine_fn copy_sectors(BlockDriverState *bs,
                                      uint64_t cluster_offset,
                                      int n_start, int n_end)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     QEMUIOVector qiov;
     struct iovec iov;
     int n, ret;
@@ -469,7 +469,7 @@ out:
 int qcow2_get_cluster_offset(BlockDriverState *bs, uint64_t offset,
     int *num, uint64_t *cluster_offset)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     unsigned int l2_index;
     uint64_t l1_index, l2_offset, *l2_table;
     int l1_bits, c;
@@ -606,7 +606,7 @@ static int get_cluster_table(BlockDriverState *bs, uint64_t 
offset,
                              uint64_t **new_l2_table,
                              int *new_l2_index)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     unsigned int l2_index;
     uint64_t l1_index, l2_offset;
     uint64_t *l2_table = NULL;
@@ -680,7 +680,7 @@ uint64_t 
qcow2_alloc_compressed_cluster_offset(BlockDriverState *bs,
                                                uint64_t offset,
                                                int compressed_size)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int l2_index, ret;
     uint64_t *l2_table;
     int64_t cluster_offset;
@@ -725,7 +725,7 @@ uint64_t 
qcow2_alloc_compressed_cluster_offset(BlockDriverState *bs,
 
 static int perform_cow(BlockDriverState *bs, QCowL2Meta *m, Qcow2COWRegion *r)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int ret;
 
     if (r->nb_sectors == 0) {
@@ -754,7 +754,7 @@ static int perform_cow(BlockDriverState *bs, QCowL2Meta *m, 
Qcow2COWRegion *r)
 
 int qcow2_alloc_cluster_link_l2(BlockDriverState *bs, QCowL2Meta *m)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int i, j = 0, l2_index, ret;
     uint64_t *old_cluster, *l2_table;
     uint64_t cluster_offset = m->alloc_offset;
@@ -837,7 +837,7 @@ err:
  * write, but require COW to be performed (this includes yet unallocated space,
  * which must copy from the backing file)
  */
-static int count_cow_clusters(BDRVQcowState *s, int nb_clusters,
+static int count_cow_clusters(BDRVQcow2State *s, int nb_clusters,
     uint64_t *l2_table, int l2_index)
 {
     int i;
@@ -883,7 +883,7 @@ out:
 static int handle_dependencies(BlockDriverState *bs, uint64_t guest_offset,
     uint64_t *cur_bytes, QCowL2Meta **m)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     QCowL2Meta *old_alloc;
     uint64_t bytes = *cur_bytes;
 
@@ -956,7 +956,7 @@ static int handle_dependencies(BlockDriverState *bs, 
uint64_t guest_offset,
 static int handle_copied(BlockDriverState *bs, uint64_t guest_offset,
     uint64_t *host_offset, uint64_t *bytes, QCowL2Meta **m)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int l2_index;
     uint64_t cluster_offset;
     uint64_t *l2_table;
@@ -1063,7 +1063,7 @@ out:
 static int do_alloc_cluster_offset(BlockDriverState *bs, uint64_t guest_offset,
     uint64_t *host_offset, unsigned int *nb_clusters)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
 
     trace_qcow2_do_alloc_clusters_offset(qemu_coroutine_self(), guest_offset,
                                          *host_offset, *nb_clusters);
@@ -1111,7 +1111,7 @@ static int do_alloc_cluster_offset(BlockDriverState *bs, 
uint64_t guest_offset,
 static int handle_alloc(BlockDriverState *bs, uint64_t guest_offset,
     uint64_t *host_offset, uint64_t *bytes, QCowL2Meta **m)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int l2_index;
     uint64_t *l2_table;
     uint64_t entry;
@@ -1263,7 +1263,7 @@ fail:
 int qcow2_alloc_cluster_offset(BlockDriverState *bs, uint64_t offset,
     int *num, uint64_t *host_offset, QCowL2Meta **m)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t start, remaining;
     uint64_t cluster_offset;
     uint64_t cur_bytes;
@@ -1397,7 +1397,7 @@ static int decompress_buffer(uint8_t *out_buf, int 
out_buf_size,
 
 int qcow2_decompress_cluster(BlockDriverState *bs, uint64_t cluster_offset)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int ret, csize, nb_csectors, sector_offset;
     uint64_t coffset;
 
@@ -1428,7 +1428,7 @@ int qcow2_decompress_cluster(BlockDriverState *bs, 
uint64_t cluster_offset)
 static int discard_single_l2(BlockDriverState *bs, uint64_t offset,
     unsigned int nb_clusters, enum qcow2_discard_type type, bool full_discard)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t *l2_table;
     int l2_index;
     int ret;
@@ -1501,7 +1501,7 @@ static int discard_single_l2(BlockDriverState *bs, 
uint64_t offset,
 int qcow2_discard_clusters(BlockDriverState *bs, uint64_t offset,
     int nb_sectors, enum qcow2_discard_type type, bool full_discard)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t end_offset;
     unsigned int nb_clusters;
     int ret;
@@ -1547,7 +1547,7 @@ fail:
 static int zero_single_l2(BlockDriverState *bs, uint64_t offset,
     unsigned int nb_clusters)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t *l2_table;
     int l2_index;
     int ret;
@@ -1583,7 +1583,7 @@ static int zero_single_l2(BlockDriverState *bs, uint64_t 
offset,
 
 int qcow2_zero_clusters(BlockDriverState *bs, uint64_t offset, int nb_sectors)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     unsigned int nb_clusters;
     int ret;
 
@@ -1628,7 +1628,7 @@ static int expand_zero_clusters_in_l1(BlockDriverState 
*bs, uint64_t *l1_table,
                                       int64_t l1_entries,
                                       BlockDriverAmendStatusCB *status_cb)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     bool is_active_l1 = (l1_table == s->l1_table);
     uint64_t *l2_table = NULL;
     int ret;
@@ -1815,7 +1815,7 @@ fail:
 int qcow2_expand_zero_clusters(BlockDriverState *bs,
                                BlockDriverAmendStatusCB *status_cb)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t *l1_table = NULL;
     int64_t l1_entries = 0, visited_l1_entries = 0;
     int ret;
diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c
index b0ee42d..53e3e9f 100644
--- a/block/qcow2-refcount.c
+++ b/block/qcow2-refcount.c
@@ -82,7 +82,7 @@ static Qcow2SetRefcountFunc *const set_refcount_funcs[] = {
 
 int qcow2_refcount_init(BlockDriverState *bs)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     unsigned int refcount_table_size2, i;
     int ret;
 
@@ -116,7 +116,7 @@ int qcow2_refcount_init(BlockDriverState *bs)
 
 void qcow2_refcount_close(BlockDriverState *bs)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     g_free(s->refcount_table);
 }
 
@@ -214,7 +214,7 @@ static int load_refcount_block(BlockDriverState *bs,
                                int64_t refcount_block_offset,
                                void **refcount_block)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int ret;
 
     BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_LOAD);
@@ -231,7 +231,7 @@ static int load_refcount_block(BlockDriverState *bs,
 int qcow2_get_refcount(BlockDriverState *bs, int64_t cluster_index,
                        uint64_t *refcount)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t refcount_table_index, block_index;
     int64_t refcount_block_offset;
     int ret;
@@ -274,7 +274,7 @@ int qcow2_get_refcount(BlockDriverState *bs, int64_t 
cluster_index,
  * Rounds the refcount table size up to avoid growing the table for each single
  * refcount block that is allocated.
  */
-static unsigned int next_refcount_table_size(BDRVQcowState *s,
+static unsigned int next_refcount_table_size(BDRVQcow2State *s,
     unsigned int min_size)
 {
     unsigned int min_clusters = (min_size >> (s->cluster_bits - 3)) + 1;
@@ -290,7 +290,7 @@ static unsigned int next_refcount_table_size(BDRVQcowState 
*s,
 
 
 /* Checks if two offsets are described by the same refcount block */
-static int in_same_refcount_block(BDRVQcowState *s, uint64_t offset_a,
+static int in_same_refcount_block(BDRVQcow2State *s, uint64_t offset_a,
     uint64_t offset_b)
 {
     uint64_t block_a = offset_a >> (s->cluster_bits + s->refcount_block_bits);
@@ -308,7 +308,7 @@ static int in_same_refcount_block(BDRVQcowState *s, 
uint64_t offset_a,
 static int alloc_refcount_block(BlockDriverState *bs,
                                 int64_t cluster_index, void **refcount_block)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     unsigned int refcount_table_index;
     int ret;
 
@@ -605,7 +605,7 @@ fail_block:
 
 void qcow2_process_discards(BlockDriverState *bs, int ret)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     Qcow2DiscardRegion *d, *next;
 
     QTAILQ_FOREACH_SAFE(d, &s->discards, next, next) {
@@ -625,7 +625,7 @@ void qcow2_process_discards(BlockDriverState *bs, int ret)
 static void update_refcount_discard(BlockDriverState *bs,
                                     uint64_t offset, uint64_t length)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     Qcow2DiscardRegion *d, *p, *next;
 
     QTAILQ_FOREACH(d, &s->discards, next) {
@@ -682,7 +682,7 @@ static int QEMU_WARN_UNUSED_RESULT 
update_refcount(BlockDriverState *bs,
                                                    bool decrease,
                                                    enum qcow2_discard_type 
type)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int64_t start, last, cluster_offset;
     void *refcount_block = NULL;
     int64_t old_table_index = -1;
@@ -793,7 +793,7 @@ int qcow2_update_cluster_refcount(BlockDriverState *bs,
                                   uint64_t addend, bool decrease,
                                   enum qcow2_discard_type type)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int ret;
 
     ret = update_refcount(bs, cluster_index << s->cluster_bits, 1, addend,
@@ -815,7 +815,7 @@ int qcow2_update_cluster_refcount(BlockDriverState *bs,
 /* return < 0 if error */
 static int64_t alloc_clusters_noref(BlockDriverState *bs, uint64_t size)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t i, nb_clusters, refcount;
     int ret;
 
@@ -878,7 +878,7 @@ int64_t qcow2_alloc_clusters(BlockDriverState *bs, uint64_t 
size)
 int qcow2_alloc_clusters_at(BlockDriverState *bs, uint64_t offset,
     int nb_clusters)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t cluster_index, refcount;
     uint64_t i;
     int ret;
@@ -916,7 +916,7 @@ int qcow2_alloc_clusters_at(BlockDriverState *bs, uint64_t 
offset,
    contiguous sectors. size must be <= cluster_size */
 int64_t qcow2_alloc_bytes(BlockDriverState *bs, int size)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int64_t offset;
     size_t free_in_cluster;
     int ret;
@@ -992,7 +992,7 @@ void qcow2_free_clusters(BlockDriverState *bs,
 void qcow2_free_any_clusters(BlockDriverState *bs, uint64_t l2_entry,
                              int nb_clusters, enum qcow2_discard_type type)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
 
     switch (qcow2_get_cluster_type(l2_entry)) {
     case QCOW2_CLUSTER_COMPRESSED:
@@ -1036,7 +1036,7 @@ void qcow2_free_any_clusters(BlockDriverState *bs, 
uint64_t l2_entry,
 int qcow2_update_snapshot_refcount(BlockDriverState *bs,
     int64_t l1_table_offset, int l1_size, int addend)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t *l1_table, *l2_table, l2_offset, offset, l1_size2, refcount;
     bool l1_allocated = false;
     int64_t old_offset, old_l2_offset;
@@ -1233,7 +1233,7 @@ fail:
 /* refcount checking functions */
 
 
-static size_t refcount_array_byte_size(BDRVQcowState *s, uint64_t entries)
+static size_t refcount_array_byte_size(BDRVQcow2State *s, uint64_t entries)
 {
     /* This assertion holds because there is no way we can address more than
      * 2^(64 - 9) clusters at once (with cluster size 512 = 2^9, and because
@@ -1256,7 +1256,7 @@ static size_t refcount_array_byte_size(BDRVQcowState *s, 
uint64_t entries)
  * refcount array buffer will be aligned to a cluster boundary, and the newly
  * allocated area will be zeroed.
  */
-static int realloc_refcount_array(BDRVQcowState *s, void **array,
+static int realloc_refcount_array(BDRVQcow2State *s, void **array,
                                   int64_t *size, int64_t new_size)
 {
     size_t old_byte_size, new_byte_size;
@@ -1304,7 +1304,7 @@ static int inc_refcounts(BlockDriverState *bs,
                          int64_t *refcount_table_size,
                          int64_t offset, int64_t size)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t start, last, cluster_offset, k, refcount;
     int ret;
 
@@ -1357,7 +1357,7 @@ static int check_refcounts_l2(BlockDriverState *bs, 
BdrvCheckResult *res,
                               int64_t *refcount_table_size, int64_t l2_offset,
                               int flags)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t *l2_table, l2_entry;
     uint64_t next_contiguous_offset = 0;
     int i, l2_size, nb_csectors, ret;
@@ -1477,7 +1477,7 @@ static int check_refcounts_l1(BlockDriverState *bs,
                               int64_t l1_table_offset, int l1_size,
                               int flags)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t *l1_table = NULL, l2_offset, l1_size2;
     int i, ret;
 
@@ -1554,7 +1554,7 @@ fail:
 static int check_oflag_copied(BlockDriverState *bs, BdrvCheckResult *res,
                               BdrvCheckMode fix)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t *l2_table = qemu_blockalign(bs, s->cluster_size);
     int ret;
     uint64_t refcount;
@@ -1673,7 +1673,7 @@ static int check_refblocks(BlockDriverState *bs, 
BdrvCheckResult *res,
                            BdrvCheckMode fix, bool *rebuild,
                            void **refcount_table, int64_t *nb_clusters)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int64_t i, size;
     int ret;
 
@@ -1776,7 +1776,7 @@ static int calculate_refcounts(BlockDriverState *bs, 
BdrvCheckResult *res,
                                BdrvCheckMode fix, bool *rebuild,
                                void **refcount_table, int64_t *nb_clusters)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int64_t i;
     QCowSnapshot *sn;
     int ret;
@@ -1840,7 +1840,7 @@ static void compare_refcounts(BlockDriverState *bs, 
BdrvCheckResult *res,
                               int64_t *highest_cluster,
                               void *refcount_table, int64_t nb_clusters)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int64_t i;
     uint64_t refcount1, refcount2;
     int ret;
@@ -1917,7 +1917,7 @@ static int64_t alloc_clusters_imrt(BlockDriverState *bs,
                                    int64_t *imrt_nb_clusters,
                                    int64_t *first_free_cluster)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int64_t cluster = *first_free_cluster, i;
     bool first_gap = true;
     int contiguous_free_clusters;
@@ -1987,7 +1987,7 @@ static int rebuild_refcount_structure(BlockDriverState 
*bs,
                                       void **refcount_table,
                                       int64_t *nb_clusters)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int64_t first_free_cluster = 0, reftable_offset = -1, cluster = 0;
     int64_t refblock_offset, refblock_start, refblock_index;
     uint32_t reftable_size = 0;
@@ -2174,7 +2174,7 @@ fail:
 int qcow2_check_refcounts(BlockDriverState *bs, BdrvCheckResult *res,
                           BdrvCheckMode fix)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     BdrvCheckResult pre_compare_res;
     int64_t size, highest_cluster, nb_clusters;
     void *refcount_table = NULL;
@@ -2311,7 +2311,7 @@ fail:
 int qcow2_check_metadata_overlap(BlockDriverState *bs, int ign, int64_t offset,
                                  int64_t size)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int chk = s->overlap_check & ~ign;
     int i, j;
 
diff --git a/block/qcow2-snapshot.c b/block/qcow2-snapshot.c
index b6f58c1..92f4dfc 100644
--- a/block/qcow2-snapshot.c
+++ b/block/qcow2-snapshot.c
@@ -29,7 +29,7 @@
 
 void qcow2_free_snapshots(BlockDriverState *bs)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int i;
 
     for(i = 0; i < s->nb_snapshots; i++) {
@@ -43,7 +43,7 @@ void qcow2_free_snapshots(BlockDriverState *bs)
 
 int qcow2_read_snapshots(BlockDriverState *bs)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     QCowSnapshotHeader h;
     QCowSnapshotExtraData extra;
     QCowSnapshot *sn;
@@ -136,7 +136,7 @@ fail:
 /* add at the end of the file a new list of snapshots */
 static int qcow2_write_snapshots(BlockDriverState *bs)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     QCowSnapshot *sn;
     QCowSnapshotHeader h;
     QCowSnapshotExtraData extra;
@@ -278,7 +278,7 @@ fail:
 static void find_new_snapshot_id(BlockDriverState *bs,
                                  char *id_str, int id_str_size)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     QCowSnapshot *sn;
     int i;
     unsigned long id, id_max = 0;
@@ -296,7 +296,7 @@ static int find_snapshot_by_id_and_name(BlockDriverState 
*bs,
                                         const char *id,
                                         const char *name)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int i;
 
     if (id && name) {
@@ -338,7 +338,7 @@ static int find_snapshot_by_id_or_name(BlockDriverState *bs,
 /* if no id is provided, a new one is constructed */
 int qcow2_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     QCowSnapshot *new_snapshot_list = NULL;
     QCowSnapshot *old_snapshot_list = NULL;
     QCowSnapshot sn1, *sn = &sn1;
@@ -461,7 +461,7 @@ fail:
 /* copy the snapshot 'snapshot_name' into the current disk image */
 int qcow2_snapshot_goto(BlockDriverState *bs, const char *snapshot_id)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     QCowSnapshot *sn;
     int i, snapshot_index;
     int cur_l1_bytes, sn_l1_bytes;
@@ -587,7 +587,7 @@ int qcow2_snapshot_delete(BlockDriverState *bs,
                           const char *name,
                           Error **errp)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     QCowSnapshot sn;
     int snapshot_index, ret;
 
@@ -650,7 +650,7 @@ int qcow2_snapshot_delete(BlockDriverState *bs,
 
 int qcow2_snapshot_list(BlockDriverState *bs, QEMUSnapshotInfo **psn_tab)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     QEMUSnapshotInfo *sn_tab, *sn_info;
     QCowSnapshot *sn;
     int i;
@@ -683,7 +683,7 @@ int qcow2_snapshot_load_tmp(BlockDriverState *bs,
                             Error **errp)
 {
     int i, snapshot_index;
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     QCowSnapshot *sn;
     uint64_t *new_l1_table;
     int new_l1_bytes;
diff --git a/block/qcow2.c b/block/qcow2.c
index a707d8d..9b09e01 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -85,7 +85,7 @@ static int qcow2_read_extensions(BlockDriverState *bs, 
uint64_t start_offset,
                                  uint64_t end_offset, void **p_feature_table,
                                  Error **errp)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     QCowExtension ext;
     uint64_t offset;
     int ret;
@@ -187,7 +187,7 @@ static int qcow2_read_extensions(BlockDriverState *bs, 
uint64_t start_offset,
 
 static void cleanup_unknown_header_ext(BlockDriverState *bs)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     Qcow2UnknownHeaderExtension *uext, *next;
 
     QLIST_FOREACH_SAFE(uext, &s->unknown_header_ext, next, next) {
@@ -249,7 +249,7 @@ static void report_unsupported_feature(BlockDriverState *bs,
  */
 int qcow2_mark_dirty(BlockDriverState *bs)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t val;
     int ret;
 
@@ -282,7 +282,7 @@ int qcow2_mark_dirty(BlockDriverState *bs)
  */
 static int qcow2_mark_clean(BlockDriverState *bs)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
 
     if (s->incompatible_features & QCOW2_INCOMPAT_DIRTY) {
         int ret;
@@ -304,7 +304,7 @@ static int qcow2_mark_clean(BlockDriverState *bs)
  */
 int qcow2_mark_corrupt(BlockDriverState *bs)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
 
     s->incompatible_features |= QCOW2_INCOMPAT_CORRUPT;
     return qcow2_update_header(bs);
@@ -316,7 +316,7 @@ int qcow2_mark_corrupt(BlockDriverState *bs)
  */
 int qcow2_mark_consistent(BlockDriverState *bs)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
 
     if (s->incompatible_features & QCOW2_INCOMPAT_CORRUPT) {
         int ret = bdrv_flush(bs);
@@ -351,7 +351,7 @@ static int qcow2_check(BlockDriverState *bs, 
BdrvCheckResult *result,
 static int validate_table_offset(BlockDriverState *bs, uint64_t offset,
                                  uint64_t entries, size_t entry_len)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t size;
 
     /* Use signed INT64_MAX as the maximum even for uint64_t header fields,
@@ -490,7 +490,7 @@ static const char 
*overlap_bool_option_names[QCOW2_OL_MAX_BITNR] = {
 static void cache_clean_timer_cb(void *opaque)
 {
     BlockDriverState *bs = opaque;
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     qcow2_cache_clean_unused(bs, s->l2_table_cache);
     qcow2_cache_clean_unused(bs, s->refcount_block_cache);
     timer_mod(s->cache_clean_timer, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) +
@@ -499,7 +499,7 @@ static void cache_clean_timer_cb(void *opaque)
 
 static void cache_clean_timer_init(BlockDriverState *bs, AioContext *context)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     if (s->cache_clean_interval > 0) {
         s->cache_clean_timer = aio_timer_new(context, QEMU_CLOCK_VIRTUAL,
                                              SCALE_MS, cache_clean_timer_cb,
@@ -511,7 +511,7 @@ static void cache_clean_timer_init(BlockDriverState *bs, 
AioContext *context)
 
 static void cache_clean_timer_del(BlockDriverState *bs)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     if (s->cache_clean_timer) {
         timer_del(s->cache_clean_timer);
         timer_free(s->cache_clean_timer);
@@ -534,7 +534,7 @@ static void read_cache_sizes(BlockDriverState *bs, QemuOpts 
*opts,
                              uint64_t *l2_cache_size,
                              uint64_t *refcount_cache_size, Error **errp)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t combined_cache_size;
     bool l2_cache_size_set, refcount_cache_size_set, combined_cache_size_set;
 
@@ -592,7 +592,7 @@ static void read_cache_sizes(BlockDriverState *bs, QemuOpts 
*opts,
 static int qcow2_open(BlockDriverState *bs, QDict *options, int flags,
                       Error **errp)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     unsigned int len, i;
     int ret = 0;
     QCowHeader header;
@@ -1086,14 +1086,14 @@ static int qcow2_open(BlockDriverState *bs, QDict 
*options, int flags,
 
 static void qcow2_refresh_limits(BlockDriverState *bs, Error **errp)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
 
     bs->bl.write_zeroes_alignment = s->cluster_sectors;
 }
 
 static int qcow2_set_key(BlockDriverState *bs, const char *key)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint8_t keybuf[16];
     int len, i;
     Error *err = NULL;
@@ -1151,7 +1151,7 @@ static int qcow2_reopen_prepare(BDRVReopenState *state,
 static int64_t coroutine_fn qcow2_co_get_block_status(BlockDriverState *bs,
         int64_t sector_num, int nb_sectors, int *pnum)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t cluster_offset;
     int index_in_cluster, ret;
     int64_t status = 0;
@@ -1198,7 +1198,7 @@ int qcow2_backing_read1(BlockDriverState *bs, 
QEMUIOVector *qiov,
 static coroutine_fn int qcow2_co_readv(BlockDriverState *bs, int64_t 
sector_num,
                           int remaining_sectors, QEMUIOVector *qiov)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int index_in_cluster, n1;
     int ret;
     int cur_nr_sectors; /* number of sectors in current iteration */
@@ -1360,7 +1360,7 @@ static coroutine_fn int qcow2_co_writev(BlockDriverState 
*bs,
                            int remaining_sectors,
                            QEMUIOVector *qiov)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int index_in_cluster;
     int ret;
     int cur_nr_sectors; /* number of sectors in current iteration */
@@ -1506,7 +1506,7 @@ fail:
 
 static void qcow2_close(BlockDriverState *bs)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     qemu_vfree(s->l1_table);
     /* else pre-write overlap checks in cache_destroy may crash */
     s->l1_table = NULL;
@@ -1552,7 +1552,7 @@ static void qcow2_close(BlockDriverState *bs)
 
 static void qcow2_invalidate_cache(BlockDriverState *bs, Error **errp)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int flags = s->flags;
     QCryptoCipher *cipher = NULL;
     QDict *options;
@@ -1575,7 +1575,7 @@ static void qcow2_invalidate_cache(BlockDriverState *bs, 
Error **errp)
         return;
     }
 
-    memset(s, 0, sizeof(BDRVQcowState));
+    memset(s, 0, sizeof(BDRVQcow2State));
     options = qdict_clone_shallow(bs->options);
 
     ret = qcow2_open(bs, options, flags, &local_err);
@@ -1622,7 +1622,7 @@ static size_t header_ext_add(char *buf, uint32_t magic, 
const void *s,
  */
 int qcow2_update_header(BlockDriverState *bs)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     QCowHeader *header;
     char *buf;
     size_t buflen = s->cluster_size;
@@ -1791,7 +1791,7 @@ fail:
 static int qcow2_change_backing_file(BlockDriverState *bs,
     const char *backing_file, const char *backing_fmt)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
 
     pstrcpy(bs->backing_file, sizeof(bs->backing_file), backing_file ?: "");
     pstrcpy(bs->backing_format, sizeof(bs->backing_format), backing_fmt ?: "");
@@ -2074,7 +2074,7 @@ static int qcow2_create2(const char *filename, int64_t 
total_size,
 
     /* And if we're supposed to preallocate metadata, do that now */
     if (prealloc != PREALLOC_MODE_OFF) {
-        BDRVQcowState *s = bs->opaque;
+        BDRVQcow2State *s = bs->opaque;
         qemu_co_mutex_lock(&s->lock);
         ret = preallocate(bs);
         qemu_co_mutex_unlock(&s->lock);
@@ -2209,7 +2209,7 @@ static coroutine_fn int 
qcow2_co_write_zeroes(BlockDriverState *bs,
     int64_t sector_num, int nb_sectors, BdrvRequestFlags flags)
 {
     int ret;
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
 
     /* Emulate misaligned zero writes */
     if (sector_num % s->cluster_sectors || nb_sectors % s->cluster_sectors) {
@@ -2229,7 +2229,7 @@ static coroutine_fn int qcow2_co_discard(BlockDriverState 
*bs,
     int64_t sector_num, int nb_sectors)
 {
     int ret;
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
 
     qemu_co_mutex_lock(&s->lock);
     ret = qcow2_discard_clusters(bs, sector_num << BDRV_SECTOR_BITS,
@@ -2240,7 +2240,7 @@ static coroutine_fn int qcow2_co_discard(BlockDriverState 
*bs,
 
 static int qcow2_truncate(BlockDriverState *bs, int64_t offset)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int64_t new_l1_size;
     int ret;
 
@@ -2284,7 +2284,7 @@ static int qcow2_truncate(BlockDriverState *bs, int64_t 
offset)
 static int qcow2_write_compressed(BlockDriverState *bs, int64_t sector_num,
                                   const uint8_t *buf, int nb_sectors)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     z_stream strm;
     int ret, out_len;
     uint8_t *out_buf;
@@ -2375,7 +2375,7 @@ fail:
 
 static int make_completely_empty(BlockDriverState *bs)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int ret, l1_clusters;
     int64_t offset;
     uint64_t *new_reftable = NULL;
@@ -2523,7 +2523,7 @@ fail:
 
 static int qcow2_make_empty(BlockDriverState *bs)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     uint64_t start_sector;
     int sector_step = INT_MAX / BDRV_SECTOR_SIZE;
     int l1_clusters, ret = 0;
@@ -2564,7 +2564,7 @@ static int qcow2_make_empty(BlockDriverState *bs)
 
 static coroutine_fn int qcow2_co_flush_to_os(BlockDriverState *bs)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int ret;
 
     qemu_co_mutex_lock(&s->lock);
@@ -2588,7 +2588,7 @@ static coroutine_fn int 
qcow2_co_flush_to_os(BlockDriverState *bs)
 
 static int qcow2_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     bdi->unallocated_blocks_are_zero = true;
     bdi->can_write_zeroes_with_unmap = (s->qcow_version >= 3);
     bdi->cluster_size = s->cluster_size;
@@ -2598,7 +2598,7 @@ static int qcow2_get_info(BlockDriverState *bs, 
BlockDriverInfo *bdi)
 
 static ImageInfoSpecific *qcow2_get_specific_info(BlockDriverState *bs)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     ImageInfoSpecific *spec_info = g_new(ImageInfoSpecific, 1);
 
     *spec_info = (ImageInfoSpecific){
@@ -2631,7 +2631,7 @@ static ImageInfoSpecific 
*qcow2_get_specific_info(BlockDriverState *bs)
 #if 0
 static void dump_refcounts(BlockDriverState *bs)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int64_t nb_clusters, k, k1, size;
     int refcount;
 
@@ -2652,7 +2652,7 @@ static void dump_refcounts(BlockDriverState *bs)
 static int qcow2_save_vmstate(BlockDriverState *bs, QEMUIOVector *qiov,
                               int64_t pos)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int64_t total_sectors = bs->total_sectors;
     bool zero_beyond_eof = bs->zero_beyond_eof;
     int ret;
@@ -2673,7 +2673,7 @@ static int qcow2_save_vmstate(BlockDriverState *bs, 
QEMUIOVector *qiov,
 static int qcow2_load_vmstate(BlockDriverState *bs, uint8_t *buf,
                               int64_t pos, int size)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     bool zero_beyond_eof = bs->zero_beyond_eof;
     int ret;
 
@@ -2692,7 +2692,7 @@ static int qcow2_load_vmstate(BlockDriverState *bs, 
uint8_t *buf,
 static int qcow2_downgrade(BlockDriverState *bs, int target_version,
                            BlockDriverAmendStatusCB *status_cb)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int current_version = s->qcow_version;
     int ret;
 
@@ -2756,7 +2756,7 @@ static int qcow2_downgrade(BlockDriverState *bs, int 
target_version,
 static int qcow2_amend_options(BlockDriverState *bs, QemuOpts *opts,
                                BlockDriverAmendStatusCB *status_cb)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     int old_version = s->qcow_version, new_version = old_version;
     uint64_t new_size = 0;
     const char *backing_file = NULL, *backing_format = NULL;
@@ -2903,7 +2903,7 @@ static int qcow2_amend_options(BlockDriverState *bs, 
QemuOpts *opts,
 void qcow2_signal_corruption(BlockDriverState *bs, bool fatal, int64_t offset,
                              int64_t size, const char *message_format, ...)
 {
-    BDRVQcowState *s = bs->opaque;
+    BDRVQcow2State *s = bs->opaque;
     const char *node_name;
     char *message;
     va_list ap;
@@ -3004,7 +3004,7 @@ static QemuOptsList qcow2_create_opts = {
 
 BlockDriver bdrv_qcow2 = {
     .format_name        = "qcow2",
-    .instance_size      = sizeof(BDRVQcowState),
+    .instance_size      = sizeof(BDRVQcow2State),
     .bdrv_probe         = qcow2_probe,
     .bdrv_open          = qcow2_open,
     .bdrv_close         = qcow2_close,
diff --git a/block/qcow2.h b/block/qcow2.h
index 71dafd6..61f1b57 100644
--- a/block/qcow2.h
+++ b/block/qcow2.h
@@ -222,7 +222,7 @@ typedef uint64_t Qcow2GetRefcountFunc(const void 
*refcount_array,
 typedef void Qcow2SetRefcountFunc(void *refcount_array,
                                   uint64_t index, uint64_t value);
 
-typedef struct BDRVQcowState {
+typedef struct BDRVQcow2State {
     int cluster_bits;
     int cluster_size;
     int cluster_sectors;
@@ -293,7 +293,7 @@ typedef struct BDRVQcowState {
      * override) */
     char *image_backing_file;
     char *image_backing_format;
-} BDRVQcowState;
+} BDRVQcow2State;
 
 struct QCowAIOCB;
 
@@ -405,28 +405,28 @@ typedef enum QCow2MetadataOverlap {
 
 #define REFT_OFFSET_MASK 0xfffffffffffffe00ULL
 
-static inline int64_t start_of_cluster(BDRVQcowState *s, int64_t offset)
+static inline int64_t start_of_cluster(BDRVQcow2State *s, int64_t offset)
 {
     return offset & ~(s->cluster_size - 1);
 }
 
-static inline int64_t offset_into_cluster(BDRVQcowState *s, int64_t offset)
+static inline int64_t offset_into_cluster(BDRVQcow2State *s, int64_t offset)
 {
     return offset & (s->cluster_size - 1);
 }
 
-static inline int size_to_clusters(BDRVQcowState *s, int64_t size)
+static inline int size_to_clusters(BDRVQcow2State *s, int64_t size)
 {
     return (size + (s->cluster_size - 1)) >> s->cluster_bits;
 }
 
-static inline int64_t size_to_l1(BDRVQcowState *s, int64_t size)
+static inline int64_t size_to_l1(BDRVQcow2State *s, int64_t size)
 {
     int shift = s->cluster_bits + s->l2_bits;
     return (size + (1ULL << shift) - 1) >> shift;
 }
 
-static inline int offset_to_l2_index(BDRVQcowState *s, int64_t offset)
+static inline int offset_to_l2_index(BDRVQcow2State *s, int64_t offset)
 {
     return (offset >> s->cluster_bits) & (s->l2_size - 1);
 }
@@ -437,12 +437,12 @@ static inline int64_t align_offset(int64_t offset, int n)
     return offset;
 }
 
-static inline int64_t qcow2_vm_state_offset(BDRVQcowState *s)
+static inline int64_t qcow2_vm_state_offset(BDRVQcow2State *s)
 {
     return (int64_t)s->l1_vm_state_index << (s->cluster_bits + s->l2_bits);
 }
 
-static inline uint64_t qcow2_max_refcount_clusters(BDRVQcowState *s)
+static inline uint64_t qcow2_max_refcount_clusters(BDRVQcow2State *s)
 {
     return QCOW_MAX_REFTABLE_SIZE >> s->cluster_bits;
 }
@@ -461,7 +461,7 @@ static inline int qcow2_get_cluster_type(uint64_t l2_entry)
 }
 
 /* Check whether refcounts are eager or lazy */
-static inline bool qcow2_need_accurate_refcounts(BDRVQcowState *s)
+static inline bool qcow2_need_accurate_refcounts(BDRVQcow2State *s)
 {
     return !(s->incompatible_features & QCOW2_INCOMPAT_DIRTY);
 }
@@ -537,7 +537,7 @@ int qcow2_grow_l1_table(BlockDriverState *bs, uint64_t 
min_size,
 int qcow2_write_l1_entry(BlockDriverState *bs, int l1_index);
 void qcow2_l2_cache_reset(BlockDriverState *bs);
 int qcow2_decompress_cluster(BlockDriverState *bs, uint64_t cluster_offset);
-int qcow2_encrypt_sectors(BDRVQcowState *s, int64_t sector_num,
+int qcow2_encrypt_sectors(BDRVQcow2State *s, int64_t sector_num,
                           uint8_t *out_buf, const uint8_t *in_buf,
                           int nb_sectors, bool enc, Error **errp);
 
-- 
1.8.3.1




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