Test12 ll_rw_block error.

[Russell Cattelan <cattelan@thebarn.com>]

This would seem to be an error on the part of ll_rw_block.
Setting b_end_io to a default handler without checking to see
a callback has already been defined defeats the purpose of having
a function op.

void ll_rw_block(int rw, int nr, struct buffer_head * bhs[])
 {
@@ -928,7 +1046,8 @@
                if (test_and_set_bit(BH_Lock, &bh->b_state))
                        continue;

-               set_bit(BH_Req, &bh->b_state);
+               /* We have the buffer lock */
+               bh->b_end_io = end_buffer_io_sync;

                switch(rw) {
                case WRITE:


-Russell Cattelan


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