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authorSuganath Prabu <suganath-prabu.subramani@broadcom.com>2018-10-31 18:53:36 +0530
committerMartin K. Petersen <martin.petersen@oracle.com>2018-11-06 20:16:01 -0500
commit9029a72500b95578a35877a43473b82cb0386c53 (patch)
tree66cad46bd3d45ddb9acff611d3aa0be0b1f44ab0 /tools/perf/scripts/python/stackcollapse.py
parentdc730212e8a378763cb182b889f90c8101331332 (diff)
downloadlinux-9029a72500b95578a35877a43473b82cb0386c53.tar.gz
linux-9029a72500b95578a35877a43473b82cb0386c53.zip
scsi: mpt3sas: Fix Sync cache command failure during driver unload
This is to fix SYNC CACHE and START STOP command failures with DID_NO_CONNECT during driver unload. In driver's IO submission patch (i.e. in driver's .queuecommand()) driver won't allow any SCSI commands to the IOC when ioc->remove_host flag is set and hence SYNC CACHE commands which are issued to the target drives (where write cache is enabled) during driver unload time is failed with DID_NO_CONNECT status. Now modified the driver to allow SYNC CACHE and START STOP commands to IOC, even when remove_host flag is set. Signed-off-by: Suganath Prabu <suganath-prabu.subramani@broadcom.com> Reviewed-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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