On Fri, Sep 11, 2020 at 11:23:22AM -0600, Jens Axboe wrote: > On 9/11/20 10:34 AM, Alessio Balsini wrote: > > Extend the passthrough feature by handling asynchronous IO both for read > > and write operations. > > When an AIO request is received, targeting a FUSE file with passthrough > > functionality enabled, a new identical AIO request is created, the file > > pointer of which is updated with the file pointer of the lower file system, > > and the completion handler is set with a special AIO passthrough handler. > > The lower file system AIO request is allocated in dynamic kernel memory > > and, when it completes, the allocated memory is freed and the completion > > signal is propagated to the FUSE AIO request by triggering its completion > > callback as well. > > > > Signed-off-by: Alessio Balsini <balsini@xxxxxxxxxxx> > > --- > > fs/fuse/passthrough.c | 66 +++++++++++++++++++++++++++++++++++++++++-- > > 1 file changed, 63 insertions(+), 3 deletions(-) > > > > diff --git a/fs/fuse/passthrough.c b/fs/fuse/passthrough.c > > index 44a78e02f45d..87b57b26fd8a 100644 > > --- a/fs/fuse/passthrough.c > > +++ b/fs/fuse/passthrough.c > > @@ -2,10 +2,16 @@ > > > > #include "fuse_i.h" > > > > +#include <linux/aio.h> > > What is this include for? It's not using any aio parts at all. > > -- > Jens Axboe > Slipped from a cleanup. Fixed. Thanks! Alessio