Re: xfstests 073 regression

[Christoph Hellwig]

On Tue, Aug 02, 2011 at 07:44:28PM +0800, Wu Fengguang wrote:
> What's that bdi 7:0?

/dev/loop0

> And sb_dev=0:0

that we didn't have sb specified in thhis wb_work

> , nr_pages=9223372036854775807=0x7fffffffffffffff.

LONG_MAX.

It all fits perfectly:

static long wb_check_background_flush(struct bdi_writeback *wb)
{
        if (over_bground_thresh()) {
		struct wb_writeback_work work = {
			.nr_pages       = LONG_MAX,
			.sync_mode	= WB_SYNC_NONE,
			.for_background = 1,
			.range_cyclic = 1,
		};

		return wb_writeback(wb, &work);
	}

	return 0;
}
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