On Thu, Jan 14, 2016 at 11:26 PM, David Turner <dturner@xxxxxxxxxxxxxxxx> wrote:
> diff --git a/refs/lmdb-backend.c b/refs/lmdb-backend.c
> new file mode 100644
> index 0000000..470c79f
> --- /dev/null
> +++ b/refs/lmdb-backend.c
> @@ -0,0 +1,2051 @@
> +/*
> + * This file implements a lmdb backend for refs.
> + *
> + * The design of this backend relies on lmdb's write lock -- that is, any
> + * write transaction blocks all other writers. Thus, as soon as a ref
> + * transaction is opened, we know that any values we read won't
> + * change out from under us, and we have a fully-consistent view of the
> + * database.
> + *
> + * We store the content of refs including the trailing \0 so that
> + * standard C string functions can handle them. Just like struct
> + * strbuf.
> + */
> +#include "../cache.h"
> +#include <lmdb.h>
> +#include "../object.h"
> +#include "../refs.h"
> +#include "refs-internal.h"
> +#include "../tag.h"
> +#include "../lockfile.h"
> +
> +static struct trace_key db_trace = TRACE_KEY_INIT(LMDB);
Super nit:
CC refs/lmdb-backend.o
refs/lmdb-backend.c:22:25: cảnh báo: ‘db_trace’ defined but not used
[-Wunused-variable]
--
Duy
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