md_magic         1127 drivers/md/md.c 	if (sb->md_magic != MD_SB_MAGIC) {
md_magic         1366 drivers/md/md.c 	sb->md_magic = MD_SB_MAGIC;
md_magic          139 include/uapi/linux/raid/md_p.h 	__u32 md_magic;		/*  0 MD identifier 			      */