On Wed, Mar 23, 2016 at 05:39:36AM +0000, Dilger, Andreas wrote:
> On 2016/03/22, 19:49, "lustre-devel on behalf of Greg Kroah-Hartman"
> <lustre-devel-bounces@xxxxxxxxxxxxxxxx on behalf of
> gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> >On Tue, Mar 22, 2016 at 06:21:04PM -0400, James Simmons wrote:
> >> Latest testing fails when using ko2iblnd. It was tracked down
> >> to commit 4671a026616df26000f7d8ad2f2ea4b6de79263c.
> >>
> >> This reverts commit 4671a026616df26000f7d8ad2f2ea4b6de79263c.
> >> ---
> >> .../staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c | 4 ++--
> >> 1 files changed, 2 insertions(+), 2 deletions(-)
> >>
> >> diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
> >>b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
> >> index 89f9390..0d32e65 100644
> >> --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
> >> +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
> >> @@ -1968,7 +1968,7 @@ static int kiblnd_net_init_pools(kib_net_t *net,
> >>__u32 *cpts, int ncpts)
> >> */
> >>
> >> net->ibn_fmr_ps = cfs_percpt_alloc(lnet_cpt_table(),
> >> - sizeof(*net->ibn_fmr_ps));
> >> + sizeof(kib_fmr_poolset_t));
> >
> >Ok, why is this revert needed? Please give me a big huge comment about
> >why this is not the same size of the variable being assigned to it,
> >otherwise someone else is going to come along and make the exact same
> >change again.
> >
> >> if (!net->ibn_fmr_ps) {
> >> CERROR("Failed to allocate FMR pool array\n");
> >> rc = -ENOMEM;
> >> @@ -1992,7 +1992,7 @@ static int kiblnd_net_init_pools(kib_net_t *net,
> >>__u32 *cpts, int ncpts)
> >>
> >> create_tx_pool:
> >> net->ibn_tx_ps = cfs_percpt_alloc(lnet_cpt_table(),
> >> - sizeof(*net->ibn_tx_ps));
> >> + sizeof(kib_tx_poolset_t));
> >
> >Same here, why is this code wrong?
>
> Looks like the declarations are:
>
> kib_tx_poolset_t **ibn_tx_ps; /* tx pool-set */
> kib_fmr_poolset_t **ibn_fmr_ps; /* fmr pool-set */
>
>
>
> so the right code should be:
>
> sizeof(**net->ibn_tx_ps);
>
>
> and the same for sizeof(**net->ibn_fmr_ps)
That's a mess, isn't there some other way to fix this up to be more
"obvious"?
thanks,
greg k-h
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