On Fri, 2 Dec 2016, Marcelo Tosatti wrote:
> Actually, using flock(2) allows one to use LOCK_SH for readers and
> this allows consistent writer/reader behaviour (say, a reader
> won't see a partially written directory).
Indeed.
> So the procedure would be:
>
> /var/lock/resctrl/fs.lock crea
On Fri, Dec 02, 2016 at 12:20:29PM +0100, Thomas Gleixner wrote:
> On Thu, 1 Dec 2016, Marcelo Tosatti wrote:
> >
> > There is a locking problem between different applications
> > reading/writing to resctrlfs directory at the same time (read the patch
> > below for details).
> >
> > Suggest a sta
On Thu, 1 Dec 2016, Marcelo Tosatti wrote:
>
> There is a locking problem between different applications
> reading/writing to resctrlfs directory at the same time (read the patch
> below for details).
>
> Suggest a standard locking scheme for applications to use.
> +To coordinate atomic op
There is a locking problem between different applications
reading/writing to resctrlfs directory at the same time (read the patch
below for details).
Suggest a standard locking scheme for applications to use.
Signed-off-by: Marcelo Tosatti
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v2: Improve commentary about generality of locking
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