Re: [PATCH] target/qla2xxx: Honor max_data_sg_nents I/O transfer limit

2015-09-11 Thread Nicholas A. Bellinger
On Thu, 2015-09-10 at 23:56 -0700, Arun Easi wrote: > On Thu, 10 Sep 2015, 11:36pm -0700, Nicholas A. Bellinger wrote: > > > On Thu, 2015-09-10 at 22:16 +, Himanshu Madhani wrote: > >> Hi Nic, > >> > >> Sorry about the delay in response. > >> > >> I have tested with RHEL 6.5 and noticed that

Re: [PATCH] target/qla2xxx: Honor max_data_sg_nents I/O transfer limit

2015-09-11 Thread Nicholas A. Bellinger
On Thu, 2015-09-10 at 22:16 +, Himanshu Madhani wrote: > Hi Nic, > > Sorry about the delay in response. > > I have tested with RHEL 6.5 and noticed that IO were not able to complete > with 16M and 32M read/write. IO¹s were getting error due to Mid-layer > underflow > > With initiator

Re: [PATCH] target/qla2xxx: Honor max_data_sg_nents I/O transfer limit

2015-09-11 Thread Arun Easi
On Thu, 10 Sep 2015, 11:36pm -0700, Nicholas A. Bellinger wrote: On Thu, 2015-09-10 at 22:16 +, Himanshu Madhani wrote: Hi Nic, Sorry about the delay in response. I have tested with RHEL 6.5 and noticed that IO were not able to complete with 16M and 32M read/write. IO¹s were getting

Re: [PATCH] target/qla2xxx: Honor max_data_sg_nents I/O transfer limit

2015-09-10 Thread Himanshu Madhani
Hi Nic, Sorry about the delay in response. I have tested with RHEL 6.5 and noticed that IO were not able to complete with 16M and 32M read/write. IO¹s were getting error due to Mid-layer underflow With initiator running upstream kernel version 4.2 as well I was seeing error with Mid-layer

Re: [PATCH] target/qla2xxx: Honor max_data_sg_nents I/O transfer limit

2015-09-09 Thread Nicholas A. Bellinger
Hi Arun & Co, On Thu, 2015-08-20 at 16:17 -0700, Nicholas A. Bellinger wrote: > On Wed, 2015-08-19 at 17:48 -0700, Arun Easi wrote: > > Hi nab, > > > > On Thu, 13 Aug 2015, 1:45am -0700, Nicholas A. Bellinger wrote: > > > > > From: Nicholas Bellinger > > > > > > Hi Arun,

Re: [PATCH] target/qla2xxx: Honor max_data_sg_nents I/O transfer limit

2015-08-20 Thread Nicholas A. Bellinger
On Wed, 2015-08-19 at 17:48 -0700, Arun Easi wrote: Hi nab, On Thu, 13 Aug 2015, 1:45am -0700, Nicholas A. Bellinger wrote: From: Nicholas Bellinger n...@linux-iscsi.org Hi Arun, Roland Co, Based upon the feedback from last week, here is a proper patch for target-core to honor a

Re: [PATCH] target/qla2xxx: Honor max_data_sg_nents I/O transfer limit

2015-08-19 Thread Arun Easi
Hi nab, On Thu, 13 Aug 2015, 1:45am -0700, Nicholas A. Bellinger wrote: From: Nicholas Bellinger n...@linux-iscsi.org Hi Arun, Roland Co, Based upon the feedback from last week, here is a proper patch for target-core to honor a fabric provided SGL limit using residual count plus underflow

[PATCH] target/qla2xxx: Honor max_data_sg_nents I/O transfer limit

2015-08-13 Thread Nicholas A. Bellinger
From: Nicholas Bellinger n...@linux-iscsi.org Hi Arun, Roland Co, Based upon the feedback from last week, here is a proper patch for target-core to honor a fabric provided SGL limit using residual count plus underflow response bit. Everything appears to be working as expected with tcm-loop