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qemu-file: make qemu_fflush and qemu_file_set_error private again
Reviewed-by: Orit Wasserman <owasserm@redhat.com>Reviewed-by: Juan Quintela <quintela@redhat.com>Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>Signed-off-by: Juan Quintela <quintela@redhat.com>
migration: merge qemu_popen_cmd with qemu_popen
There is no reason for outgoing exec migration to do popen manuallyanymore (the reason used to be that we needed the FILE* to make itnon-blocking). Use qemu_popen_cmd.
Reviewed-by: Orit Wasserman <owasserm@redhat.com>...
qemu-file: add writable socket QEMUFile
migration: move rate limiting to QEMUFile
Rate limiting is now simply a byte counter; client callqemu_file_rate_limit() manually to determine if they have to exit.So it is possible and simple to move the functionality to QEMUFile.
This makes the remaining functionality of s->file redundant;...
qemu-file: temporarily expose qemu_file_set_error and qemu_fflush
Right now, migration cannot entirely rely on QEMUFile's automaticdrop of I/O after an error, because it does its "real" I/O outsidethe put_buffer callback. To fix this until buffering is gone, expose...
migration: make qemu_ftell() public and support writable files
Migration .save_live_iterate() functions return the number of bytestransferred. The easiest way of doing this is by calling qemu_ftell(f)at the beginning and end of the function to calculate the difference....
migration: make writes blocking
Move all the writes to the migration_thread, and make writingsblocking. Notice that are still using the iothread for everythingthat we do.
Signed-off-by: Juan Quintela <quintela@redhat.com>
migration: move include files to include/migration/
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>