Re: [PATCH 2/3] mg_disk: fix CONFIG_LBD=y warning

[Bartlomiej Zolnierkiewicz]

On Tuesday 28 April 2009 17:19:34 Mark Lord wrote:
> Tejun Heo wrote:
> > From: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
> > 
> > drivers/block/mg_disk.c: In function âmg_dump_statusâ:
> > drivers/block/mg_disk.c:265: warning: format â%ldâ expects type âlong intâ, but
> > argument 2 has type âsector_tâ
> > 
> > [ Impact: kill build warning ]
> > 
> > Cc: unsik Kim <donari75@xxxxxxxxx>
> > Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
> > Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
> > ---
> >  drivers/block/mg_disk.c |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
> > 
> > diff --git a/drivers/block/mg_disk.c b/drivers/block/mg_disk.c
> > index d3e72ad..f389835 100644
> > --- a/drivers/block/mg_disk.c
> > +++ b/drivers/block/mg_disk.c
> > @@ -79,7 +79,7 @@ static void mg_dump_status(const char *msg, unsigned int stat,
> >  			if (host->breq) {
> >  				req = elv_next_request(host->breq);
> >  				if (req)
> > -					printk(", sector=%ld", req->sector);
> > +					printk(", sector=%u", (u32)req->sector);
> ..
> 
> Eh?  Shouldn't that be fixed the other way around, like this:
> 
>   +					printk(", sector=%llu", (u64)req->sector);
> 
> This way, it will still give correct data when sector_t is a u64.

shouldn't matter, req->sector is never > u32 for mg_disk
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