From: Andrew Morton <akpm@zip.com.au> To: lkml <linux-kernel@vger.kernel.org> Subject: aa-040-touch_buffer Date: Tue, 19 Mar 2002 19:56:38 -0800 Move the touch_buffer() from bread into getblk(). Fair enough. The touch_buffer() call tells the VM "please don't evict this page, I'm about to use it". Doing it in getblk() will provide better coverage than doing it in bread(). I would actually prefer to do it in get_hash_table(), but that's a minor detail. ===================================== --- 2.4.19-pre3/fs/buffer.c~aa-040-touch_buffer Tue Mar 19 19:48:54 2002 +++ 2.4.19-pre3-akpm/fs/buffer.c Tue Mar 19 19:49:15 2002 @@ -1032,8 +1032,10 @@ struct buffer_head * getblk(kdev_t dev, struct buffer_head * bh; bh = get_hash_table(dev, block, size); - if (bh) + if (bh) { + touch_buffer(bh); return bh; + } if (!grow_buffers(dev, block, size)) free_more_memory(); @@ -1196,7 +1198,6 @@ struct buffer_head * bread(kdev_t dev, i struct buffer_head * bh; bh = getblk(dev, block, size); - touch_buffer(bh); if (buffer_uptodate(bh)) return bh; ll_rw_block(READ, 1, &bh); - 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/