From: Leon Romanovsky <leonro@mellanox.com>
To: Bart Van Assche <bvanassche@acm.org>
Cc: Jason Gunthorpe <jgg@ziepe.ca>,
Doug Ledford <dledford@redhat.com>,
linux-rdma@vger.kernel.org,
Laurence Oberman <loberman@redhat.com>,
Kamal Heib <kamalheib1@gmail.com>
Subject: Re: [PATCH 1/4] RDMA/srp: Make the channel count configurable per target
Date: Sun, 24 May 2020 09:20:57 +0300 [thread overview]
Message-ID: <20200524062057.GC569407@unreal> (raw)
In-Reply-To: <3fc10293-d65b-fee3-ad5c-833323516e96@acm.org>
On Sat, May 23, 2020 at 08:22:19AM -0700, Bart Van Assche wrote:
> On 2020-05-23 06:55, Leon Romanovsky wrote:
> > On Fri, May 22, 2020 at 02:33:38PM -0700, Bart Van Assche wrote:
> >> Increase the flexibility of the SRP initiator driver by making the channel
> >> count configurable per target instead of only providing a kernel module
> >> parameter for configuring the channel count.
> >>
> >> Cc: Laurence Oberman <loberman@redhat.com>
> >> Cc: Kamal Heib <kamalheib1@gmail.com>
> >> Signed-off-by: Bart Van Assche <bvanassche@acm.org>
> >> ---
> >> drivers/infiniband/ulp/srp/ib_srp.c | 21 ++++++++++++++++-----
> >> 1 file changed, 16 insertions(+), 5 deletions(-)
> >>
> >> diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
> >> index 00b4f88b113e..d686c39710c0 100644
> >> --- a/drivers/infiniband/ulp/srp/ib_srp.c
> >> +++ b/drivers/infiniband/ulp/srp/ib_srp.c
> >> @@ -3424,6 +3424,7 @@ enum {
> >> SRP_OPT_IP_DEST = 1 << 16,
> >> SRP_OPT_TARGET_CAN_QUEUE= 1 << 17,
> >> SRP_OPT_MAX_IT_IU_SIZE = 1 << 18,
> >> + SRP_OPT_CH_COUNT = 1 << 19,
> >> };
> >>
> >> static unsigned int srp_opt_mandatory[] = {
> >> @@ -3457,6 +3458,7 @@ static const match_table_t srp_opt_tokens = {
> >> { SRP_OPT_IP_SRC, "src=%s" },
> >> { SRP_OPT_IP_DEST, "dest=%s" },
> >> { SRP_OPT_MAX_IT_IU_SIZE, "max_it_iu_size=%d" },
> >> + { SRP_OPT_CH_COUNT, "ch_count=%d", },
> >
> > Why did you use %d and not %u?
>
> Hi Leon,
>
> There is more kernel code that uses %d for unsigned integers. Anyway, if
> someone cares enough I can change %d into %u.
I don't have strong opinion about that.
Thanks
>
> Bart.
next prev parent reply other threads:[~2020-05-24 6:21 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-22 21:33 [PATCH 0/4] SRP initiator and target patches for kernel v5.8 Bart Van Assche
2020-05-22 21:33 ` [PATCH 1/4] RDMA/srp: Make the channel count configurable per target Bart Van Assche
2020-05-23 13:55 ` Leon Romanovsky
2020-05-23 15:22 ` Bart Van Assche
2020-05-24 6:20 ` Leon Romanovsky [this message]
2020-05-22 21:33 ` [PATCH 2/4] RDMA/srpt: Make debug output more detailed Bart Van Assche
2020-05-22 21:33 ` [PATCH 3/4] RDMA/srpt: Reduce max_recv_sge to 1 Bart Van Assche
2020-05-22 21:33 ` [PATCH 4/4] RDMA/srpt: Increase max_send_sge Bart Van Assche
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