Nir Soffer
2022-Feb-21 06:28 UTC
[Libguestfs] [PATCH libnbd 7/8] copy: Track worker queue size
On Sun, Feb 20, 2022 at 8:53 PM Richard W.M. Jones <rjones at redhat.com> wrote:> > On Sun, Feb 20, 2022 at 02:14:02PM +0200, Nir Soffer wrote: > > +static inline void > > +increase_queue_size(struct worker *worker, size_t len) > > ^ space > > and the same in the next function:Sure will fix before pushing. Do we have a way to format the source automatically with spaces before ()?> > > +{ > > + worker->queue_size += len; > > +} > > + > > +static inline void > > +decrease_queue_size(struct worker *worker, size_t len) > > +{ > > + assert (worker->queue_size >= len); > > + worker->queue_size -= len; > > +} > > Do we not need any locking here?Since every worker thread accesses only its data, no locking is needed.
Richard W.M. Jones
2022-Feb-21 10:17 UTC
[Libguestfs] [PATCH libnbd 7/8] copy: Track worker queue size
On Mon, Feb 21, 2022 at 08:28:54AM +0200, Nir Soffer wrote:> On Sun, Feb 20, 2022 at 8:53 PM Richard W.M. Jones <rjones at redhat.com> wrote: > > > > On Sun, Feb 20, 2022 at 02:14:02PM +0200, Nir Soffer wrote: > > > +static inline void > > > +increase_queue_size(struct worker *worker, size_t len) > > > > ^ space > > > > and the same in the next function: > > Sure will fix before pushing. > > Do we have a way to format the source automatically with spaces > before ()?I don't think anyone was written GNU indent rules yet ..> > > +{ > > > + worker->queue_size += len; > > > +} > > > + > > > +static inline void > > > +decrease_queue_size(struct worker *worker, size_t len) > > > +{ > > > + assert (worker->queue_size >= len); > > > + worker->queue_size -= len; > > > +} > > > > Do we not need any locking here? > > Since every worker thread accesses only its data, no locking is needed.OK Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-df lists disk usage of guests without needing to install any software inside the virtual machine. Supports Linux and Windows. http://people.redhat.com/~rjones/virt-df/