[sheepdog] [PATCH] sbd: use kstrtoul() instead of strict_strtoul()

Hitoshi Mitake mitake.hitoshi at gmail.com
Sun Feb 1 11:48:03 CET 2015


At Sat, 31 Jan 2015 16:47:19 +0800,
Liu Yuan wrote:
> 
> On Tue, Jan 20, 2015 at 11:46:32AM +0900, Hitoshi Mitake wrote:
> > Cc: hujianyang <hujianyang at huawei.com>
> > Signed-off-by: Hitoshi Mitake <mitake.hitoshi at lab.ntt.co.jp>
> > ---
> >  sbd/sheep_block_device.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/sbd/sheep_block_device.c b/sbd/sheep_block_device.c
> > index eaee932..d82ff43 100644
> > --- a/sbd/sheep_block_device.c
> > +++ b/sbd/sheep_block_device.c
> > @@ -290,7 +290,7 @@ static ssize_t sbd_remove(struct bus_type *bus, const char *buf,
> >  	unsigned long ul;
> >  	int target_id, ret;
> >  
> > -	ret = strict_strtoul(buf, 10, &ul);
> > +	ret = kstrtoul(buf, 10, &ul);
> >  	if (ret)
> >  		return ret;
> 
> I need to warn you of that:
> 
> As far as I can remember, old kernel don't support kstrtoul such as famouse
> 2.6.32. For compability issue, I chose strict_strtoul instead. In other words,
> this patch will break SBD with old kernel, shipped on many distributions such
> as centos 6.
> 
> As as general practice for kernel module, we'd better use old function. Actually
> the later kernel just macro strict_strtoul as kstrtoul().
> 
> Thanks
> Yuan
> -- 
> sheepdog mailing list
> sheepdog at lists.wpkg.org
> https://lists.wpkg.org/mailman/listinfo/sheepdog

OK, I revert this one.

Thanks,
Hitoshi



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