Function register_file_alloc_range [src]

Prototype

pub fn register_file_alloc_range(self: *IoUring, offset: u32, len: u32) !void

Parameters

self: *IoUringoffset: u32len: u32

Source

  pub fn register_file_alloc_range(self: *IoUring, offset: u32, len: u32) !void {
    assert(self.fd >= 0);

    const range = &linux.io_uring_file_index_range{
        .off = offset,
        .len = len,
        .resv = 0,
    };

    const res = linux.io_uring_register(
        self.fd,
        .REGISTER_FILE_ALLOC_RANGE,
        @ptrCast(range),
        @as(u32, @sizeOf(linux.io_uring_file_index_range)),
    );

    return handle_registration_result(res);
}  