This is an advisory operation, it will always succeed (as if it was
submitted with a LIBRADOS_OP_FLAG_FAILOK flag set) and is not
guaranteed to do anything on the backend.
@param io the pool the object is in
@param o the name of the object
@param expected_object_size expected size of the object, in bytes
@param expected_write_size expected size of writes to the object, in bytes
@param flags hints about future IO patterns
@returns 0 on success, negative error code on failure
Set allocation hint for an object
This is an advisory operation, it will always succeed (as if it was submitted with a LIBRADOS_OP_FLAG_FAILOK flag set) and is not guaranteed to do anything on the backend.
@param io the pool the object is in @param o the name of the object @param expected_object_size expected size of the object, in bytes @param expected_write_size expected size of writes to the object, in bytes @param flags hints about future IO patterns @returns 0 on success, negative error code on failure