On 01/10/2017 02:09 AM, Jiri Pirko wrote: > Mon, Jan 09, 2017 at 09:45:20PM CET, f.faine...@gmail.com wrote: >> In preparation for adding support for deferred dump operations, allow >> specifying a deferred function whose signature allows read/write >> objects. >> >> Signed-off-by: Florian Fainelli <f.faine...@gmail.com> >> --- >> net/switchdev/switchdev.c | 21 ++++++++++++++++----- >> 1 file changed, 16 insertions(+), 5 deletions(-) >> >> diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c >> index 017801f9dbaa..3d70ad02c617 100644 >> --- a/net/switchdev/switchdev.c >> +++ b/net/switchdev/switchdev.c >> @@ -100,11 +100,14 @@ static DEFINE_SPINLOCK(deferred_lock); >> >> typedef void switchdev_deferred_func_t(struct net_device *dev, >> const void *data); >> +typedef void switchdev_deferred_func_rw_t(struct net_device *dev, >> + void *data); >> >> struct switchdev_deferred_item { >> struct list_head list; >> struct net_device *dev; >> switchdev_deferred_func_t *func; >> + switchdev_deferred_func_rw_t *func_rw; > > I'm missing why you need to have 2 funcs here. Why you just can't re-use > func?
I wanted to let the existing callers be passed down a const void *data, and not update them with void *data, since there is value in keeping that annotated. This may be considered overkill, I don't know. -- Florian