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Implement bdrv_co_block_status for snapshot export support

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This commit is contained in:
Vitaliy Filippov
2023-01-07 17:06:58 +03:00
parent 373f9d0387
commit 137309cf29
11 changed files with 380 additions and 43 deletions
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src/vitastor_c.h
+8
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@@ -6,6 +6,9 @@
#ifndef VITASTOR_QEMU_PROXY_H
#define VITASTOR_QEMU_PROXY_H
// C API wrapper version
#define VITASTOR_C_API_VERSION 1
#ifndef POOL_ID_BITS
#define POOL_ID_BITS 16
#endif
@@ -21,6 +24,7 @@ typedef struct vitastor_c vitastor_c;
typedef void VitastorReadHandler(void *opaque, long retval, uint64_t version);
typedef void VitastorIOHandler(void *opaque, long retval);
typedef void VitastorReadBitmapHandler(void *opaque, long retval, uint8_t *bitmap);
// QEMU
typedef void IOHandler(void *opaque);
@@ -42,11 +46,15 @@ void vitastor_c_read(vitastor_c *client, uint64_t inode, uint64_t offset, uint64
struct iovec *iov, int iovcnt, VitastorReadHandler cb, void *opaque);
void vitastor_c_write(vitastor_c *client, uint64_t inode, uint64_t offset, uint64_t len, uint64_t check_version,
struct iovec *iov, int iovcnt, VitastorIOHandler cb, void *opaque);
void vitastor_c_read_bitmap(vitastor_c *client, uint64_t inode, uint64_t offset, uint64_t len,
int with_parents, VitastorReadBitmapHandler cb, void *opaque);
void vitastor_c_sync(vitastor_c *client, VitastorIOHandler cb, void *opaque);
void vitastor_c_watch_inode(vitastor_c *client, char *image, VitastorIOHandler cb, void *opaque);
void vitastor_c_close_watch(vitastor_c *client, void *handle);
uint64_t vitastor_c_inode_get_size(void *handle);
uint64_t vitastor_c_inode_get_num(void *handle);
uint32_t vitastor_c_inode_get_block_size(vitastor_c *client, uint64_t inode_num);
uint32_t vitastor_c_inode_get_bitmap_granularity(vitastor_c *client, uint64_t inode_num);
int vitastor_c_inode_get_readonly(void *handle);
#ifdef __cplusplus