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))