Messages in this thread | | | Date | Mon, 11 Mar 2019 21:13:28 +0000 | From | Al Viro <> | Subject | Re: [PATCH 3/8] aio: store event at final iocb_put() |
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On Mon, Mar 11, 2019 at 08:44:31PM +0100, Christoph Hellwig wrote: > On Sun, Mar 10, 2019 at 07:08:17AM +0000, Al Viro wrote: > > From: Al Viro <viro@zeniv.linux.org.uk> > > > > Instead of having aio_complete() set ->ki_res.{res,res2}, do that > > explicitly in its callers, drop the reference (as aio_complete() > > used to do) and delay the rest until the final iocb_put(). > > > > Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> > > --- > > fs/aio.c | 45 ++++++++++++++++++++------------------------- > > 1 file changed, 20 insertions(+), 25 deletions(-) > > > > diff --git a/fs/aio.c b/fs/aio.c > > index 2249a7a1d6b3..b9c4c1894020 100644 > > --- a/fs/aio.c > > +++ b/fs/aio.c > > @@ -1077,24 +1077,10 @@ static inline void iocb_destroy(struct aio_kiocb *iocb) > > kmem_cache_free(kiocb_cachep, iocb); > > } > > > > -static inline void iocb_put(struct aio_kiocb *iocb) > > -{ > > - if (refcount_dec_and_test(&iocb->ki_refcnt)) > > - iocb_destroy(iocb); > > -} > > Maybe iocb_put should just have been added in the place you move > it to in patch 1?
Might as well...
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