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qcow2: Rename BDRVQcowState to BDRVQcow2State 

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 <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
This commit is contained in:
Kevin Wolf 2015-09-07 17:12:56 +02:00
parent cf25ff850f
commit ff99129ab8
6 changed files with 120 additions and 120 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
block/qcow2-cache.c
View File

@ -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;

48
block/qcow2-cluster.c
View File

@ -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;

58
block/qcow2-refcount.c
View File

@ -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;

20
block/qcow2-snapshot.c
View File

@ -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;

78
block/qcow2.c
View File

@ -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,

22
block/qcow2.h
View File

@ -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);