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qcow2: manually add more coroutine_fn annotations 

The validity of these was double-checked with Alberto Faria's static
analyzer.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20221013123711.620631-13-pbonzini@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
pull/225/head
Paolo Bonzini 4 years ago
committed by Kevin Wolf
parent
ea4b80146e
commit
a1b4ecfd6f
4 changed files with 27 additions and 24 deletions
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  1. 4
      block/qcow2-bitmap.c
  2. 21
      block/qcow2-cluster.c
  3. 8
      block/qcow2-refcount.c
  4. 18
      block/qcow2.h

4
block/qcow2-bitmap.c
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@ -955,8 +955,8 @@ static void set_readonly_helper(gpointer bitmap, gpointer value)
* If header_updated is not NULL then it is set appropriately regardless of
* the return value.
*/
bool qcow2_load_dirty_bitmaps(BlockDriverState *bs, bool *header_updated,
Error **errp)
bool coroutine_fn qcow2_load_dirty_bitmaps(BlockDriverState *bs,
bool *header_updated, Error **errp)
{
BDRVQcow2State *s = bs->opaque;
Qcow2BitmapList *bm_list;

21
block/qcow2-cluster.c
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@ -31,7 +31,8 @@
#include "qemu/memalign.h"
#include "trace.h"
int qcow2_shrink_l1_table(BlockDriverState *bs, uint64_t exact_size)
int coroutine_fn qcow2_shrink_l1_table(BlockDriverState *bs,
uint64_t exact_size)
{
BDRVQcow2State *s = bs->opaque;
int new_l1_size, i, ret;
@ -823,10 +824,10 @@ static int get_cluster_table(BlockDriverState *bs, uint64_t offset,
*
* Return 0 on success and -errno in error cases
*/
int qcow2_alloc_compressed_cluster_offset(BlockDriverState *bs,
uint64_t offset,
int compressed_size,
uint64_t *host_offset)
int coroutine_fn qcow2_alloc_compressed_cluster_offset(BlockDriverState *bs,
uint64_t offset,
int compressed_size,
uint64_t *host_offset)
{
BDRVQcow2State *s = bs->opaque;
int l2_index, ret;
@ -1488,8 +1489,9 @@ static int coroutine_fn handle_dependencies(BlockDriverState *bs,
*
* -errno: in error cases
*/
static int handle_copied(BlockDriverState *bs, uint64_t guest_offset,
uint64_t *host_offset, uint64_t *bytes, QCowL2Meta **m)
static int coroutine_fn handle_copied(BlockDriverState *bs,
uint64_t guest_offset, uint64_t *host_offset, uint64_t *bytes,
QCowL2Meta **m)
{
BDRVQcow2State *s = bs->opaque;
int l2_index;
@ -1653,8 +1655,9 @@ static int do_alloc_cluster_offset(BlockDriverState *bs, uint64_t guest_offset,
*
* -errno: in error cases
*/
static int handle_alloc(BlockDriverState *bs, uint64_t guest_offset,
uint64_t *host_offset, uint64_t *bytes, QCowL2Meta **m)
static int coroutine_fn handle_alloc(BlockDriverState *bs,
uint64_t guest_offset, uint64_t *host_offset, uint64_t *bytes,
QCowL2Meta **m)
{
BDRVQcow2State *s = bs->opaque;
int l2_index;

8
block/qcow2-refcount.c
View File

@ -97,7 +97,7 @@ static void update_max_refcount_table_index(BDRVQcow2State *s)
s->max_refcount_table_index = i;
}
int qcow2_refcount_init(BlockDriverState *bs)
int coroutine_fn qcow2_refcount_init(BlockDriverState *bs)
{
BDRVQcow2State *s = bs->opaque;
unsigned int refcount_table_size2, i;
@ -3559,8 +3559,8 @@ static int64_t get_refblock_offset(BlockDriverState *bs, uint64_t offset)
return covering_refblock_offset;
}
static int qcow2_discard_refcount_block(BlockDriverState *bs,
uint64_t discard_block_offs)
static int coroutine_fn
qcow2_discard_refcount_block(BlockDriverState *bs, uint64_t discard_block_offs)
{
BDRVQcow2State *s = bs->opaque;
int64_t refblock_offs;
@ -3616,7 +3616,7 @@ static int qcow2_discard_refcount_block(BlockDriverState *bs,
return 0;
}
int qcow2_shrink_reftable(BlockDriverState *bs)
int coroutine_fn qcow2_shrink_reftable(BlockDriverState *bs)
{
BDRVQcow2State *s = bs->opaque;
uint64_t *reftable_tmp =

18
block/qcow2.h
View File

@ -846,7 +846,7 @@ int qcow2_validate_table(BlockDriverState *bs, uint64_t offset,
Error **errp);
/* qcow2-refcount.c functions */
int qcow2_refcount_init(BlockDriverState *bs);
int coroutine_fn qcow2_refcount_init(BlockDriverState *bs);
void qcow2_refcount_close(BlockDriverState *bs);
int qcow2_get_refcount(BlockDriverState *bs, int64_t cluster_index,
@ -893,14 +893,14 @@ int qcow2_inc_refcounts_imrt(BlockDriverState *bs, BdrvCheckResult *res,
int qcow2_change_refcount_order(BlockDriverState *bs, int refcount_order,
BlockDriverAmendStatusCB *status_cb,
void *cb_opaque, Error **errp);
int qcow2_shrink_reftable(BlockDriverState *bs);
int coroutine_fn qcow2_shrink_reftable(BlockDriverState *bs);
int64_t qcow2_get_last_cluster(BlockDriverState *bs, int64_t size);
int coroutine_fn qcow2_detect_metadata_preallocation(BlockDriverState *bs);
/* qcow2-cluster.c functions */
int qcow2_grow_l1_table(BlockDriverState *bs, uint64_t min_size,
bool exact_size);
int qcow2_shrink_l1_table(BlockDriverState *bs, uint64_t max_size);
int coroutine_fn qcow2_shrink_l1_table(BlockDriverState *bs, uint64_t max_size);
int qcow2_write_l1_entry(BlockDriverState *bs, int l1_index);
int qcow2_encrypt_sectors(BDRVQcow2State *s, int64_t sector_num,
uint8_t *buf, int nb_sectors, bool enc, Error **errp);
@ -911,10 +911,10 @@ int qcow2_get_host_offset(BlockDriverState *bs, uint64_t offset,
int coroutine_fn qcow2_alloc_host_offset(BlockDriverState *bs, uint64_t offset,
unsigned int *bytes,
uint64_t *host_offset, QCowL2Meta **m);
int qcow2_alloc_compressed_cluster_offset(BlockDriverState *bs,
uint64_t offset,
int compressed_size,
uint64_t *host_offset);
int coroutine_fn qcow2_alloc_compressed_cluster_offset(BlockDriverState *bs,
uint64_t offset,
int compressed_size,
uint64_t *host_offset);
void qcow2_parse_compressed_l2_entry(BlockDriverState *bs, uint64_t l2_entry,
uint64_t *coffset, int *csize);
@ -982,8 +982,8 @@ void qcow2_cache_discard(Qcow2Cache *c, void *table);
int qcow2_check_bitmaps_refcounts(BlockDriverState *bs, BdrvCheckResult *res,
void **refcount_table,
int64_t *refcount_table_size);
bool qcow2_load_dirty_bitmaps(BlockDriverState *bs, bool *header_updated,
Error **errp);
bool coroutine_fn qcow2_load_dirty_bitmaps(BlockDriverState *bs,
bool *header_updated, Error **errp);
bool qcow2_get_bitmap_info_list(BlockDriverState *bs,
Qcow2BitmapInfoList **info_list, Error **errp);
int qcow2_reopen_bitmaps_rw(BlockDriverState *bs, Error **errp);

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