On Wed, 14 Feb 2018 02:16:37 -0800 Suganath Prabu S <suganath-prabu.subramani@xxxxxxxxxxxx> wrote: > Problem Statement: Sending I/O through 32 bit descriptors to > Ventura series of controller results in IO timeout on certain > conditions. > > This error only occurs on systems with high I/O activity on > Ventura series controllers. > > Changes in this patch will prevent driver from using 32 bit descriptor > and use 64 bit Descriptors > > V1 Change set: > 1) In this patch removed callbacks as suggested by Hannes. > > Note: > This patch Should be applied on top of > https://www.spinics.net/lists/linux-scsi/msg117405.html > "Adding MPI Endpoint device support" patches. > > Signed-off-by: Suganath Prabu S > <suganath-prabu.subramani@xxxxxxxxxxxx> --- > drivers/scsi/mpt3sas/mpt3sas_base.c | 169 > ++++--------------------------- > drivers/scsi/mpt3sas/mpt3sas_base.h | 11 +- > drivers/scsi/mpt3sas/mpt3sas_config.c | 2 +- > drivers/scsi/mpt3sas/mpt3sas_ctl.c | 22 ++-- > drivers/scsi/mpt3sas/mpt3sas_scsih.c | 20 ++-- > drivers/scsi/mpt3sas/mpt3sas_transport.c | 8 +- 6 files changed, 54 > insertions(+), 178 deletions(-) > Reviewed-by: Hannes Reinecke <hare@xxxxxxxx> Cheers, Hannes
