On Wed, Dec 04, 2019 at 06:28:04PM +0100, Christoph Hellwig wrote: > bio complentions can race when a page spans more than one file system > block. Add a spinlock to synchronize marking the page uptodate. > > Fixes: 9dc55f1389f9 ("iomap: add support for sub-pagesize buffered I/O without buffer heads") > Reported-by: Jan Stancek <jstancek@xxxxxxxxxx> > Signed-off-by: Christoph Hellwig <hch@xxxxxx> Looks sane, similar fix to previous completion issues like this. Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx> -- Dave Chinner david@xxxxxxxxxxxxx