From cfe5e3905201349e9cf3f95d52ff4bd100bde37d Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 14 Apr 2024 21:10:49 +0200
Subject: Adding upstream version 2.39.3.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 libblkid/src/superblocks/drbdproxy_datalog.c | 55 ++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 libblkid/src/superblocks/drbdproxy_datalog.c

(limited to 'libblkid/src/superblocks/drbdproxy_datalog.c')

diff --git a/libblkid/src/superblocks/drbdproxy_datalog.c b/libblkid/src/superblocks/drbdproxy_datalog.c
new file mode 100644
index 0000000..9a4c7db
--- /dev/null
+++ b/libblkid/src/superblocks/drbdproxy_datalog.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2011 by Philipp Marek <philipp.marek@linbit.com>
+ *
+ * This file may be redistributed under the terms of the
+ * GNU Lesser General Public License.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <inttypes.h>
+#include <stddef.h>
+
+#include "superblocks.h"
+
+
+struct log_header_t {
+	uint64_t magic;
+	uint64_t version;
+
+	unsigned char uuid[16];
+
+	uint64_t flags;
+} __attribute__((packed));
+
+
+static int probe_drbdproxy_datalog(blkid_probe pr,
+		const struct blkid_idmag *mag __attribute__((__unused__)))
+{
+	struct log_header_t *lh;
+
+	lh = (struct log_header_t *) blkid_probe_get_buffer(pr, 0, sizeof(*lh));
+	if (!lh)
+		return errno ? -errno : 1;
+
+	blkid_probe_set_uuid(pr, lh->uuid);
+	blkid_probe_sprintf_version(pr, "v%"PRIu64, le64_to_cpu(lh->version));
+
+	return 0;
+}
+
+const struct blkid_idinfo drbdproxy_datalog_idinfo =
+{
+	.name		= "drbdproxy_datalog",
+	.usage		= BLKID_USAGE_FILESYSTEM,
+	.probefunc	= probe_drbdproxy_datalog,
+	.minsz		= 16*1024,
+	.magics		=
+	{
+		{ .magic = "DRBDdlh*", .len = 8, .sboff = 0, .kboff = 0 },
+		{ NULL }
+	}
+};
-- 
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