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migration: split migration hooks out of QEMUFileOps

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The QEMUFileOps struct contains the I/O subsystem callbacks
and the migration stage hooks. Split the hooks out into a
separate QEMUFileHooks struct to make it easier to refactor
the I/O side of QEMUFile without affecting the hooks.

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <1461751518-12128-6-git-send-email-berrange@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
This commit is contained in:
Daniel P. Berrange 2016-04-27 11:04:55 +01:00 • committed by Amit Shah
parent baf51e7739
commit 0436e09f96
4 changed files with 31 additions and 12 deletions
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10
include/migration/qemu-file.h
View file

@ -108,13 +108,16 @@ typedef struct QEMUFileOps {
QEMUFileCloseFunc *close;
QEMUFileGetFD *get_fd;
QEMUFileWritevBufferFunc *writev_buffer;
QEMURetPathFunc *get_return_path;
QEMUFileShutdownFunc *shut_down;
} QEMUFileOps;
typedef struct QEMUFileHooks {
QEMURamHookFunc *before_ram_iterate;
QEMURamHookFunc *after_ram_iterate;
QEMURamHookFunc *hook_ram_load;
QEMURamSaveFunc *save_page;
QEMURetPathFunc *get_return_path;
QEMUFileShutdownFunc *shut_down;
} QEMUFileOps;
} QEMUFileHooks;
struct QEMUSizedBuffer {
struct iovec *iov;
@ -129,6 +132,7 @@ QEMUFile *qemu_fdopen(int fd, const char *mode);
QEMUFile *qemu_fopen_socket(int fd, const char *mode);
QEMUFile *qemu_popen_cmd(const char *command, const char *mode);
QEMUFile *qemu_bufopen(const char *mode, QEMUSizedBuffer *input);
void qemu_file_set_hooks(QEMUFile *f, const QEMUFileHooks *hooks);
int qemu_get_fd(QEMUFile *f);
int qemu_fclose(QEMUFile *f);
int64_t qemu_ftell(QEMUFile *f);