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-rw-r--r--fs/ocfs2/dlmglue.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/ocfs2/dlmglue.h b/fs/ocfs2/dlmglue.h
index e1fd5721cd7f..31b90d7b8f51 100644
--- a/fs/ocfs2/dlmglue.h
+++ b/fs/ocfs2/dlmglue.h
@@ -62,6 +62,14 @@ struct ocfs2_qinfo_lvb {
__be32 lvb_free_entry;
};
+#define OCFS2_ORPHAN_LVB_VERSION 1
+
+struct ocfs2_orphan_scan_lvb {
+ __u8 lvb_version;
+ __u8 lvb_reserved[3];
+ __be32 lvb_os_seqno;
+};
+
/* ocfs2_inode_lock_full() 'arg_flags' flags */
/* don't wait on recovery. */
#define OCFS2_META_LOCK_RECOVERY (0x01)
@@ -113,6 +121,9 @@ int ocfs2_super_lock(struct ocfs2_super *osb,
int ex);
void ocfs2_super_unlock(struct ocfs2_super *osb,
int ex);
+int ocfs2_orphan_scan_lock(struct ocfs2_super *osb, u32 *seqno, int ex);
+void ocfs2_orphan_scan_unlock(struct ocfs2_super *osb, u32 seqno, int ex);
+
int ocfs2_rename_lock(struct ocfs2_super *osb);
void ocfs2_rename_unlock(struct ocfs2_super *osb);
int ocfs2_nfs_sync_lock(struct ocfs2_super *osb, int ex);