* [PATCH V2 09/15] s390: zfcp_fc: use sg helper to operate sgl [not found] <20190613071335.5679-1-ming.lei@redhat.com> @ 2019-06-13 7:13 ` Ming Lei 2019-06-13 8:41 ` Benjamin Block 0 siblings, 1 reply; 3+ messages in thread From: Ming Lei @ 2019-06-13 7:13 UTC (permalink / raw) To: linux-scsi, Martin K . Petersen Cc: James Bottomley, Bart Van Assche, Hannes Reinecke, Christoph Hellwig, Jim Gill, Cathy Avery, Ewan D . Milne, Brian King, James Smart, Juergen E . Fischer, Michael Schmitz, Finn Thain, Ming Lei, Steffen Maier, Benjamin Block, Martin Schwidefsky, Heiko Carstens, linux-s390 The current way isn't safe for chained sgl, so use sg helper to operate sgl. Cc: Steffen Maier <maier@linux.ibm.com> Cc: Benjamin Block <bblock@linux.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: linux-s390@vger.kernel.org Signed-off-by: Ming Lei <ming.lei@redhat.com> --- drivers/s390/scsi/zfcp_fc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index 33eddb02ee30..b018b61bd168 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -620,7 +620,7 @@ static void zfcp_fc_sg_free_table(struct scatterlist *sg, int count) { int i; - for (i = 0; i < count; i++, sg++) + for (i = 0; i < count; i++, sg = sg_next(sg)) if (sg) free_page((unsigned long) sg_virt(sg)); else @@ -641,7 +641,7 @@ static int zfcp_fc_sg_setup_table(struct scatterlist *sg, int count) int i; sg_init_table(sg, count); - for (i = 0; i < count; i++, sg++) { + for (i = 0; i < count; i++, sg = sg_next(sg)) { addr = (void *) get_zeroed_page(GFP_KERNEL); if (!addr) { zfcp_fc_sg_free_table(sg, i); -- 2.20.1 ^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH V2 09/15] s390: zfcp_fc: use sg helper to operate sgl 2019-06-13 7:13 ` [PATCH V2 09/15] s390: zfcp_fc: use sg helper to operate sgl Ming Lei @ 2019-06-13 8:41 ` Benjamin Block 2019-06-13 9:15 ` Ming Lei 0 siblings, 1 reply; 3+ messages in thread From: Benjamin Block @ 2019-06-13 8:41 UTC (permalink / raw) To: Ming Lei Cc: linux-scsi, Martin K . Petersen, James Bottomley, Bart Van Assche, Hannes Reinecke, Christoph Hellwig, Jim Gill, Cathy Avery, Ewan D . Milne, Brian King, James Smart, Juergen E . Fischer, Michael Schmitz, Finn Thain, Steffen Maier, Martin Schwidefsky, Heiko Carstens, linux-s390 On Thu, Jun 13, 2019 at 03:13:29PM +0800, Ming Lei wrote: > The current way isn't safe for chained sgl, so use sg helper to > operate sgl. > > Cc: Steffen Maier <maier@linux.ibm.com> > Cc: Benjamin Block <bblock@linux.ibm.com> > Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> > Cc: Heiko Carstens <heiko.carstens@de.ibm.com> > Cc: linux-s390@vger.kernel.org > Signed-off-by: Ming Lei <ming.lei@redhat.com> > --- > drivers/s390/scsi/zfcp_fc.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c > index 33eddb02ee30..b018b61bd168 100644 > --- a/drivers/s390/scsi/zfcp_fc.c > +++ b/drivers/s390/scsi/zfcp_fc.c > @@ -620,7 +620,7 @@ static void zfcp_fc_sg_free_table(struct scatterlist *sg, int count) > { > int i; > > - for (i = 0; i < count; i++, sg++) > + for (i = 0; i < count; i++, sg = sg_next(sg)) > if (sg) > free_page((unsigned long) sg_virt(sg)); > else > @@ -641,7 +641,7 @@ static int zfcp_fc_sg_setup_table(struct scatterlist *sg, int count) > int i; > > sg_init_table(sg, count); > - for (i = 0; i < count; i++, sg++) { > + for (i = 0; i < count; i++, sg = sg_next(sg)) { > addr = (void *) get_zeroed_page(GFP_KERNEL); > if (!addr) { > zfcp_fc_sg_free_table(sg, i); Color more confused. Where did the rest of this patch-set go? I don't see any other patches from this series of 15 on linux-scsi? Neither on my mail-account, nor on the archive https://marc.info/?l=linux-scsi I was looking for a bit more context. -- With Best Regards, Benjamin Block / Linux on IBM Z Kernel Development IBM Systems & Technology Group / IBM Deutschland Research & Development GmbH Vorsitz. AufsR.: Matthias Hartmann / Gesch�ftsf�hrung: Dirk Wittkopp Sitz der Gesellschaft: B�blingen / Registergericht: AmtsG Stuttgart, HRB 243294 ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH V2 09/15] s390: zfcp_fc: use sg helper to operate sgl 2019-06-13 8:41 ` Benjamin Block @ 2019-06-13 9:15 ` Ming Lei 0 siblings, 0 replies; 3+ messages in thread From: Ming Lei @ 2019-06-13 9:15 UTC (permalink / raw) To: Benjamin Block Cc: linux-scsi, Martin K . Petersen, James Bottomley, Bart Van Assche, Hannes Reinecke, Christoph Hellwig, Jim Gill, Cathy Avery, Ewan D . Milne, Brian King, James Smart, Juergen E . Fischer, Michael Schmitz, Finn Thain, Steffen Maier, Martin Schwidefsky, Heiko Carstens, linux-s390 On Thu, Jun 13, 2019 at 10:41:35AM +0200, Benjamin Block wrote: > On Thu, Jun 13, 2019 at 03:13:29PM +0800, Ming Lei wrote: > > The current way isn't safe for chained sgl, so use sg helper to > > operate sgl. > > > > Cc: Steffen Maier <maier@linux.ibm.com> > > Cc: Benjamin Block <bblock@linux.ibm.com> > > Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> > > Cc: Heiko Carstens <heiko.carstens@de.ibm.com> > > Cc: linux-s390@vger.kernel.org > > Signed-off-by: Ming Lei <ming.lei@redhat.com> > > --- > > drivers/s390/scsi/zfcp_fc.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c > > index 33eddb02ee30..b018b61bd168 100644 > > --- a/drivers/s390/scsi/zfcp_fc.c > > +++ b/drivers/s390/scsi/zfcp_fc.c > > @@ -620,7 +620,7 @@ static void zfcp_fc_sg_free_table(struct scatterlist *sg, int count) > > { > > int i; > > > > - for (i = 0; i < count; i++, sg++) > > + for (i = 0; i < count; i++, sg = sg_next(sg)) > > if (sg) > > free_page((unsigned long) sg_virt(sg)); > > else > > @@ -641,7 +641,7 @@ static int zfcp_fc_sg_setup_table(struct scatterlist *sg, int count) > > int i; > > > > sg_init_table(sg, count); > > - for (i = 0; i < count; i++, sg++) { > > + for (i = 0; i < count; i++, sg = sg_next(sg)) { > > addr = (void *) get_zeroed_page(GFP_KERNEL); > > if (!addr) { > > zfcp_fc_sg_free_table(sg, i); > > Color more confused. Where did the rest of this patch-set go? I don't > see any other patches from this series of 15 on linux-scsi? Neither on > my mail-account, nor on the archive https://marc.info/?l=linux-scsi > > I was looking for a bit more context. Yeah, I also can't find them on the archive, maybe there is issue related with my email box. I need to check it now. Thanks, Ming ^ permalink raw reply [flat|nested] 3+ messages in thread
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2019-06-13 7:13 ` [PATCH V2 09/15] s390: zfcp_fc: use sg helper to operate sgl Ming Lei
2019-06-13 8:41 ` Benjamin Block
2019-06-13 9:15 ` Ming Lei
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