Messages in this thread | | | Date | Wed, 14 Apr 2004 01:02:40 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] conditionalize some boring buffer_head checks |
| |
Andrew Morton <akpm@osdl.org> wrote: > > buffer_error() was always supposed to be temporary. Once per month someone > reports the one in __find_get_block_slow(), but that's all. The only > reason for keeping it around is as a debug aid to filesystem developers. > > We could make it a no-op if !CONFIG_BUFFER_DEBUG.
But even if we do that, the compiler cannot optimise away things like:
if (atomic_read(&bh->b_count) == 0 && !PageLocked(bh->b_page) && !PageWriteback(bh->b_page)) do {} while (0);
so if it offends you, go kill the thing outright.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |