Index: sys/kern/vfs_bio.c
===================================================================
--- sys/kern/vfs_bio.c
+++ sys/kern/vfs_bio.c
@@ -2290,7 +2290,7 @@
 		bdirty(bp);
 	}
 	if (bp->b_iocmd == BIO_WRITE && (bp->b_ioflags & BIO_ERROR) &&
-	    !(bp->b_flags & B_INVAL)) {
+	    bp->b_error != ENXIO && !(bp->b_flags & B_INVAL)) {
 		/*
 		 * Failed write, redirty.  Must clear BIO_ERROR to prevent
 		 * pages from being scrapped.