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qcow2: Use coroutines

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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2011-06-30 17:42:09 +02:00
parent b96e92470a
commit 68d100e905
3 changed files with 102 additions and 169 deletions
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5
block/qcow2.h
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@ -26,6 +26,7 @@
#define BLOCK_QCOW2_H
#include "aes.h"
#include "qemu-coroutine.h"
//#define DEBUG_ALLOC
//#define DEBUG_ALLOC2
@ -114,6 +115,8 @@ typedef struct BDRVQcowState {
int64_t free_cluster_index;
int64_t free_byte_offset;
CoMutex lock;
uint32_t crypt_method; /* current crypt method, 0 if no key yet */
uint32_t crypt_method_header;
AES_KEY aes_encrypt_key;
@ -146,7 +149,7 @@ typedef struct QCowL2Meta
int nb_available;
int nb_clusters;
struct QCowL2Meta *depends_on;
QLIST_HEAD(QCowAioDependencies, QCowAIOCB) dependent_requests;
CoQueue dependent_requests;
QLIST_ENTRY(QCowL2Meta) next_in_flight;
} QCowL2Meta;