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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