Messages in this thread | | | From | Jeff Moyer <> | Subject | Re: [PATCH 30/32] aio: add delayed cancel support | Date | Wed, 10 Jan 2018 18:26:39 -0500 |
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Jeff Moyer <jmoyer@redhat.com> writes:
> Christoph Hellwig <hch@lst.de> writes: > >> The upcoming aio poll support would like to be able to complete the >> iocb inline from the cancellation context, but that would cause >> a lock order reversal. Add support for optionally moving the cancelation >> outside the context lock to avoid this reversal. >> >> Signed-off-by: Christoph Hellwig <hch@lst.de> > > Acked-by: Jeff Moyer <jmoyer@redhat.com>
Actually, let's move these two defines:
#define AIO_IOCB_DELAYED_CANCEL (1 << 0) #define AIO_IOCB_CANCELLED (1 << 1)
to include/linux/aio.h so that drivers outside of fs/aio.c can make use of them.
-Jeff
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