#define BIO_USER_MAPPED 4 /* contains user pages */
#define BIO_NULL_MAPPED 5 /* contains invalid user pages */
#define BIO_QUIET 6 /* Make BIO Quiet */
-#define BIO_SNAP_STABLE 7 /* bio data must be snapshotted during write */
-#define BIO_CHAIN 8 /* chained bio, ->bi_remaining in effect */
-#define BIO_REFFED 9 /* bio has elevated ->bi_cnt */
+#define BIO_CHAIN 7 /* chained bio, ->bi_remaining in effect */
+#define BIO_REFFED 8 /* bio has elevated ->bi_cnt */
/*
* Flags starting here get preserved by bio_reset() - this includes