On Tue, 2007-12-11 at 17:00 -0800, Zach Brown wrote: > Hisashi Hifumi wrote: > > Hi. > > > > Current dio has some problems: > > 1, In ext3 ordered, dio write can return with EIO because of the race > > between invalidation of > > a page and jbd. jbd pins the bhs while committing journal so > > try_to_release_page fails when jbd > > is committing the transaction. > > Yeah. It sure would be fantastic if some ext3 expert could stop this > from happening somehow. But that hasn't happened in.. uh.. Badari, for > how many years has this been on the radar? :) I used to have a test case that would reproduce the problem some what consistently. But with invalidate_range() introduction and Jan Kara's re-write of journal commit handling, I can't reproduce the problem anymore. So I gave up fixing the problem which I can't reproduce. If anyone has a testcase - I can take a look at the problem again. Thanks, Badari - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
