On Thu, Aug 28, 2008 at 01:07:40PM -0700, Andrew Morton wrote:
quoted text > On Fri, 29 Aug 2008 03:19:04 +0900
> Tejun Heo <tj@kernel.org> wrote:
> > +#define fc_to_cc(_fc) container_of((_fc), struct cuse_conn, fc)
> > +#define cdev_to_cc(_cdev) container_of((_cdev), struct cuse_conn, cdev)
> > +#define cuse_conn_get(cc) ({mntget((cc)->mnt); cc;})
> > +#define cuse_conn_put(cc) mntput((cc)->mnt)
>
> I believe all the above could be implemented in C.
"traditionally" container_of() is used in #define, not a function call
as it is just pointer math that can be done at compile time.
thanks,
greg k-h
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Messages in current thread:
Re: [PATCH 5/5] CUSE: implement CUSE - Character device in ... , Greg KH , (Thu Aug 28, 3:15 pm)