diff -urN 2.3.48pre1/drivers/block/ll_rw_blk.c lvm/drivers/block/ll_rw_blk.c
--- 2.3.48pre1/drivers/block/ll_rw_blk.c	Thu Feb 24 04:02:38 2000
+++ lvm/drivers/block/ll_rw_blk.c	Thu Feb 24 18:11:10 2000
@@ -952,15 +952,6 @@
 	bh->b_end_io(bh, test_bit(BH_Uptodate, &bh->b_state));
 }
 
-static inline void buffer_IO_error(struct buffer_head * bh)
-{
-	mark_buffer_clean(bh);
-	/*
-	 * b_end_io has to clear the BH_Uptodate bitflag in the error case!
-	 */
-	bh->b_end_io(bh, 0);
-}
-
 int generic_make_request (request_queue_t *q, int rw, struct buffer_head * bh)
 {
 	unsigned long flags;
@@ -1061,7 +1052,8 @@
 		bh->b_rdev = bh->b_dev;
 		bh->b_rsector = bh->b_blocknr * (bh->b_size>>9);
 
-		generic_make_request(q, rw, bh);
+		if (generic_make_request(q, rw, bh) < 0)
+			buffer_IO_error(bh);
 	}
 	return;
 
diff -urN 2.3.48pre1/include/linux/fs.h lvm/include/linux/fs.h
--- 2.3.48pre1/include/linux/fs.h	Thu Feb 24 04:02:39 2000
+++ lvm/include/linux/fs.h	Thu Feb 24 18:10:05 2000
@@ -882,6 +882,15 @@
 
 #define atomic_set_buffer_dirty(bh) test_and_set_bit(BH_Dirty, &(bh)->b_state)
 
+static inline void buffer_IO_error(struct buffer_head * bh)
+{
+	mark_buffer_clean(bh);
+	/*
+	 * b_end_io has to clear the BH_Uptodate bitflag in the error case!
+	 */
+	bh->b_end_io(bh, 0);
+}
+
 extern void balance_dirty(kdev_t);
 extern int check_disk_change(kdev_t);
 extern int invalidate_inodes(struct super_block *);