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* [PATCH] nvme: don't hard code size of struct t10_pi_tuple
@ 2017-06-15 13:29 Sagi Grimberg
  2017-06-16  6:28 ` Christoph Hellwig
  0 siblings, 1 reply; 3+ messages in thread
From: Sagi Grimberg @ 2017-06-15 13:29 UTC (permalink / raw)


Signed-off-by: Sagi Grimberg <sagi at grimberg.me>
---
 drivers/nvme/host/core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index a5b7926cf7f6..761ca3e6ee2e 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -336,7 +336,8 @@ static inline blk_status_t nvme_setup_rw(struct nvme_ns *ns,
 	 * unless this namespace is formated such that the metadata can be
 	 * stripped/generated by the controller with PRACT=1.
 	 */
-	if (ns && ns->ms && (!ns->pi_type || ns->ms != 8) &&
+	if (ns && ns->ms &&
+	    (!ns->pi_type) || ns->ms != sizeof(struct t10_pi_tuple)) &&
 	    !blk_integrity_rq(req) && !blk_rq_is_passthrough(req))
 		return BLK_STS_NOTSUPP;
 
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [PATCH] nvme: don't hard code size of struct t10_pi_tuple
  2017-06-15 13:29 [PATCH] nvme: don't hard code size of struct t10_pi_tuple Sagi Grimberg
@ 2017-06-16  6:28 ` Christoph Hellwig
  2017-06-16  6:29   ` Christoph Hellwig
  0 siblings, 1 reply; 3+ messages in thread
From: Christoph Hellwig @ 2017-06-16  6:28 UTC (permalink / raw)


On Thu, Jun 15, 2017@04:29:18PM +0300, Sagi Grimberg wrote:
> Signed-off-by: Sagi Grimberg <sagi at grimberg.me>
> ---
>  drivers/nvme/host/core.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
> index a5b7926cf7f6..761ca3e6ee2e 100644
> --- a/drivers/nvme/host/core.c
> +++ b/drivers/nvme/host/core.c
> @@ -336,7 +336,8 @@ static inline blk_status_t nvme_setup_rw(struct nvme_ns *ns,
>  	 * unless this namespace is formated such that the metadata can be
>  	 * stripped/generated by the controller with PRACT=1.
>  	 */
> -	if (ns && ns->ms && (!ns->pi_type || ns->ms != 8) &&
> +	if (ns && ns->ms &&
> +	    (!ns->pi_type) || ns->ms != sizeof(struct t10_pi_tuple)) &&

This actually got the braces wrong, I'll fix it up.

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [PATCH] nvme: don't hard code size of struct t10_pi_tuple
  2017-06-16  6:28 ` Christoph Hellwig
@ 2017-06-16  6:29   ` Christoph Hellwig
  0 siblings, 0 replies; 3+ messages in thread
From: Christoph Hellwig @ 2017-06-16  6:29 UTC (permalink / raw)


On Fri, Jun 16, 2017@08:28:40AM +0200, Christoph Hellwig wrote:
> On Thu, Jun 15, 2017@04:29:18PM +0300, Sagi Grimberg wrote:
> > Signed-off-by: Sagi Grimberg <sagi at grimberg.me>
> > ---
> >  drivers/nvme/host/core.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
> > index a5b7926cf7f6..761ca3e6ee2e 100644
> > --- a/drivers/nvme/host/core.c
> > +++ b/drivers/nvme/host/core.c
> > @@ -336,7 +336,8 @@ static inline blk_status_t nvme_setup_rw(struct nvme_ns *ns,
> >  	 * unless this namespace is formated such that the metadata can be
> >  	 * stripped/generated by the controller with PRACT=1.
> >  	 */
> > -	if (ns && ns->ms && (!ns->pi_type || ns->ms != 8) &&
> > +	if (ns && ns->ms &&
> > +	    (!ns->pi_type) || ns->ms != sizeof(struct t10_pi_tuple)) &&
> 
> This actually got the braces wrong, I'll fix it up.

Actually I only applied your already fixed up V2.  -ENOCOFFEE

^ permalink raw reply	[flat|nested] 3+ messages in thread

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Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2017-06-15 13:29 [PATCH] nvme: don't hard code size of struct t10_pi_tuple Sagi Grimberg
2017-06-16  6:28 ` Christoph Hellwig
2017-06-16  6:29   ` Christoph Hellwig

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