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qcow: manually add more coroutine_fn annotations 

get_cluster_offset() and decompress_cluster() are only called from
the read and write paths.

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

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20221013123711.620631-12-pbonzini@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini 2022-10-13 14:36:58 +02:00 committed by Kevin Wolf
parent f72b38b67e
commit ea4b80146e
1 changed files with 9 additions and 6 deletions
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15
block/qcow.c
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@ -92,7 +92,8 @@ typedef struct BDRVQcowState {
static QemuOptsList qcow_create_opts;
static int decompress_cluster(BlockDriverState *bs, uint64_t cluster_offset);
static int coroutine_fn decompress_cluster(BlockDriverState *bs,
uint64_t cluster_offset);
static int qcow_probe(const uint8_t *buf, int buf_size, const char *filename)
{
@ -349,10 +350,11 @@ static int qcow_reopen_prepare(BDRVReopenState *state,
* return 0 if not allocated, 1 if *result is assigned, and negative
* errno on failure.
*/
static int get_cluster_offset(BlockDriverState *bs,
uint64_t offset, int allocate,
int compressed_size,
int n_start, int n_end, uint64_t *result)
static int coroutine_fn get_cluster_offset(BlockDriverState *bs,
uint64_t offset, int allocate,
int compressed_size,
int n_start, int n_end,
uint64_t *result)
{
BDRVQcowState *s = bs->opaque;
int min_index, i, j, l1_index, l2_index, ret;
@ -583,7 +585,8 @@ static int decompress_buffer(uint8_t *out_buf, int out_buf_size,
return 0;
}
static int decompress_cluster(BlockDriverState *bs, uint64_t cluster_offset)
static int coroutine_fn decompress_cluster(BlockDriverState *bs,
uint64_t cluster_offset)
{
BDRVQcowState *s = bs->opaque;
int ret, csize;