summaryrefslogtreecommitdiffstats
path: root/libblkid/src/superblocks/drbdproxy_datalog.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:42:50 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:42:50 +0000
commit8cb83eee5a58b1fad74c34094ce3afb9e430b5a4 (patch)
treea9b2e7baeca1be40eb734371e3c8b11b02294497 /libblkid/src/superblocks/drbdproxy_datalog.c
parentInitial commit. (diff)
downloadutil-linux-93fc1e48d951bf0d0c3e3d7ff6a2489f43f9c857.tar.xz
util-linux-93fc1e48d951bf0d0c3e3d7ff6a2489f43f9c857.zip
Adding upstream version 2.33.1.upstream/2.33.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libblkid/src/superblocks/drbdproxy_datalog.c')
-rw-r--r--libblkid/src/superblocks/drbdproxy_datalog.c55
1 files changed, 55 insertions, 0 deletions
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 }
+ }
+};