Jens Axboe <axboe@xxxxxxxxx> wrote: > One concern here is that we're using IOCB_WRITE here to tell if > sb_start_write() has been done or not, and hence whether > kiocb_end_write() needs to be called. You know set it earlier, which > means if we get a failure if we need to setup async data, then we know > have IOCB_WRITE set at that point even though we did not call > sb_start_write(). Hmmm... It's set earlier in a number of places anyway - __cachefiles_write() for example. Btw, can you please put some comments on the IOCB_* constants? I have to guess at what they mean and how they're meant to be used. Or better still, get Christoph to write Documentation/core-api/iocb.rst describing the API? ;-) David