OCFS2_EXTENT_BLOCK_SIGNATURE 781 fs/ocfs2/alloc.c strcpy(eb->h_signature, OCFS2_EXTENT_BLOCK_SIGNATURE); OCFS2_EXTENT_BLOCK_SIGNATURE 455 fs/ocfs2/ocfs2.h (!strcmp((ptr)->h_signature, OCFS2_EXTENT_BLOCK_SIGNATURE))