On Mon, Sep 07, 2020 at 09:37:07PM +0100, Matthew Wilcox (Oracle) wrote: > When bringing (portions of) a page uptodate, we were marking blocks that > were zeroed as being uptodate, but not blocks that were read from storage. > > Like the previous commit, this problem was found with generic/127 and > a kernel which failed readahead I/Os. This bug causes writes to be > silently lost when working with flaky storage. Looks good: Reviewed-by: Christoph Hellwig <hch@xxxxxx>
