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Diffstat (limited to 'include/linux/ceph/ceph_fs.h')
-rw-r--r--include/linux/ceph/ceph_fs.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/ceph/ceph_fs.h b/include/linux/ceph/ceph_fs.h
index 3b911ff889dd..bae833d0d055 100644
--- a/include/linux/ceph/ceph_fs.h
+++ b/include/linux/ceph/ceph_fs.h
@@ -208,6 +208,8 @@ struct ceph_mon_subscribe_ack {
struct ceph_fsid fsid;
} __attribute__ ((packed));
+#define CEPH_FS_CLUSTER_ID_NONE -1
+
/*
* mdsmap flags
*/