On 6:24 13/12, Christoph Hellwig wrote: > On Thu, Dec 13, 2018 at 02:04:41PM +0200, Avi Kivity wrote: > > On 12/13/18 1:53 PM, Goldwyn Rodrigues wrote: > > > For AIO+DIO with RWF_NOWAIT, if the block layer does not support REQ_NOWAIT, > > > it returns EIO. Return EOPNOTSUPP to represent the correct error code. > > > > > > Cc: stable@? > > > > > > > Signed-off-by: Goldwyn Rodrigues <rgoldwyn@xxxxxxxx> > > > --- > > > fs/direct-io.c | 11 +++++++---- > > > 1 file changed, 7 insertions(+), 4 deletions(-) > > > > > > diff --git a/fs/direct-io.c b/fs/direct-io.c > > > index 41a0e97252ae..77adf33916b8 100644 > > > --- a/fs/direct-io.c > > > +++ b/fs/direct-io.c > > > @@ -542,10 +542,13 @@ static blk_status_t dio_bio_complete(struct dio *dio, struct bio *bio) > > > blk_status_t err = bio->bi_status; > > > if (err) { > > I think this just need to become: > > if (err) > dio->io_error = blk_status_to_errno(bio->bi_status); > Ahh.. Din't of it's existence. Yes, the function is much more elaborate. Thanks! -- Goldwyn