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qcow2: add missing coroutine_fn annotations 

Callers of coroutine_fn must be coroutine_fn themselves, or the call
must be within "if (qemu_in_coroutine())".  Apply coroutine_fn to
functions where this holds.

Reviewed-by: Alberto Faria <afaria@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220922084924.201610-15-pbonzini@redhat.com>
[kwolf: Fixed up coding style]
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
master
Paolo Bonzini 2022-09-22 10:49:12 +02:00 committed by Kevin Wolf
parent 7644d2dca8
commit 050ed2e736
4 changed files with 24 additions and 19 deletions
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21
block/qcow2-cluster.c
View File

@ -884,7 +884,7 @@ int qcow2_alloc_compressed_cluster_offset(BlockDriverState *bs,
return 0;
}
static int perform_cow(BlockDriverState *bs, QCowL2Meta *m)
static int coroutine_fn perform_cow(BlockDriverState *bs, QCowL2Meta *m)
{
BDRVQcow2State *s = bs->opaque;
Qcow2COWRegion *start = &m->cow_start;
@ -1024,7 +1024,8 @@ fail:
return ret;
}
int qcow2_alloc_cluster_link_l2(BlockDriverState *bs, QCowL2Meta *m)
int coroutine_fn qcow2_alloc_cluster_link_l2(BlockDriverState *bs,
QCowL2Meta *m)
{
BDRVQcow2State *s = bs->opaque;
int i, j = 0, l2_index, ret;
@ -1397,8 +1398,9 @@ static int count_single_write_clusters(BlockDriverState *bs, int nb_clusters,
* information on cluster allocation may be invalid now. The caller
* must start over anyway, so consider *cur_bytes undefined.
*/
static int handle_dependencies(BlockDriverState *bs, uint64_t guest_offset,
uint64_t *cur_bytes, QCowL2Meta **m)
static int coroutine_fn handle_dependencies(BlockDriverState *bs,
uint64_t guest_offset,
uint64_t *cur_bytes, QCowL2Meta **m)
{
BDRVQcow2State *s = bs->opaque;
QCowL2Meta *old_alloc;
@ -1772,9 +1774,10 @@ out:
*
* Return 0 on success and -errno in error cases
*/
int qcow2_alloc_host_offset(BlockDriverState *bs, uint64_t offset,
unsigned int *bytes, uint64_t *host_offset,
QCowL2Meta **m)
int coroutine_fn qcow2_alloc_host_offset(BlockDriverState *bs, uint64_t offset,
unsigned int *bytes,
uint64_t *host_offset,
QCowL2Meta **m)
{
BDRVQcow2State *s = bs->opaque;
uint64_t start, remaining;
@ -2105,8 +2108,8 @@ out:
return ret;
}
int qcow2_subcluster_zeroize(BlockDriverState *bs, uint64_t offset,
uint64_t bytes, int flags)
int coroutine_fn qcow2_subcluster_zeroize(BlockDriverState *bs, uint64_t offset,
uint64_t bytes, int flags)
{
BDRVQcow2State *s = bs->opaque;
uint64_t end_offset = offset + bytes;

2
block/qcow2-refcount.c
View File

@ -3706,7 +3706,7 @@ int64_t qcow2_get_last_cluster(BlockDriverState *bs, int64_t size)
return -EIO;
}
int qcow2_detect_metadata_preallocation(BlockDriverState *bs)
int coroutine_fn qcow2_detect_metadata_preallocation(BlockDriverState *bs)
{
BDRVQcow2State *s = bs->opaque;
int64_t i, end_cluster, cluster_count = 0, threshold;

5
block/qcow2.c
View File

@ -2448,7 +2448,7 @@ static bool merge_cow(uint64_t offset, unsigned bytes,
* Return 1 if the COW regions read as zeroes, 0 if not, < 0 on error.
* Note that returning 0 does not guarantee non-zero data.
*/
static int is_zero_cow(BlockDriverState *bs, QCowL2Meta *m)
static int coroutine_fn is_zero_cow(BlockDriverState *bs, QCowL2Meta *m)
{
/*
* This check is designed for optimization shortcut so it must be
@ -2466,7 +2466,8 @@ static int is_zero_cow(BlockDriverState *bs, QCowL2Meta *m)
m->cow_end.nb_bytes);
}
static int handle_alloc_space(BlockDriverState *bs, QCowL2Meta *l2meta)
static int coroutine_fn handle_alloc_space(BlockDriverState *bs,
QCowL2Meta *l2meta)
{
BDRVQcow2State *s = bs->opaque;
QCowL2Meta *m;

15
block/qcow2.h
View File

@ -895,7 +895,7 @@ int qcow2_change_refcount_order(BlockDriverState *bs, int refcount_order,
void *cb_opaque, Error **errp);
int qcow2_shrink_reftable(BlockDriverState *bs);
int64_t qcow2_get_last_cluster(BlockDriverState *bs, int64_t size);
int qcow2_detect_metadata_preallocation(BlockDriverState *bs);
int coroutine_fn qcow2_detect_metadata_preallocation(BlockDriverState *bs);
/* qcow2-cluster.c functions */
int qcow2_grow_l1_table(BlockDriverState *bs, uint64_t min_size,
@ -908,9 +908,9 @@ int qcow2_encrypt_sectors(BDRVQcow2State *s, int64_t sector_num,
int qcow2_get_host_offset(BlockDriverState *bs, uint64_t offset,
unsigned int *bytes, uint64_t *host_offset,
QCow2SubclusterType *subcluster_type);
int qcow2_alloc_host_offset(BlockDriverState *bs, uint64_t offset,
unsigned int *bytes, uint64_t *host_offset,
QCowL2Meta **m);
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,
@ -918,13 +918,14 @@ int qcow2_alloc_compressed_cluster_offset(BlockDriverState *bs,
void qcow2_parse_compressed_l2_entry(BlockDriverState *bs, uint64_t l2_entry,
uint64_t *coffset, int *csize);
int qcow2_alloc_cluster_link_l2(BlockDriverState *bs, QCowL2Meta *m);
int coroutine_fn qcow2_alloc_cluster_link_l2(BlockDriverState *bs,
QCowL2Meta *m);
void qcow2_alloc_cluster_abort(BlockDriverState *bs, QCowL2Meta *m);
int qcow2_cluster_discard(BlockDriverState *bs, uint64_t offset,
uint64_t bytes, enum qcow2_discard_type type,
bool full_discard);
int qcow2_subcluster_zeroize(BlockDriverState *bs, uint64_t offset,
uint64_t bytes, int flags);
int coroutine_fn qcow2_subcluster_zeroize(BlockDriverState *bs, uint64_t offset,
uint64_t bytes, int flags);
int qcow2_expand_zero_clusters(BlockDriverState *bs,
BlockDriverAmendStatusCB *status_cb,