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2017-06-28powerpc/xive: Silence message about VP block allocationBenjamin Herrenschmidt
There is no reason for that message to be pr_info(), it will be printed every time we start a KVM guest. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2017-06-27NFSv4.1: nfs4_callback_free_slot() cannot call nfs4_slot_tbl_drain_complete()Trond Myklebust
The current code works only for the case where we have exactly one slot, which is no longer true. nfs4_free_slot() will automatically declare the callback channel to be drained when all slots have been returned. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2017-06-27Revert "NFS: nfs_rename() handle -ERESTARTSYS dentry left behind"Benjamin Coddington
This reverts commit 920b4530fb80430ff30ef83efe21ba1fa5623731 which could call d_move() without holding the directory's i_mutex, and reverts commit d4ea7e3c5c0e341c15b073016dbf3ab6c65f12f3 "NFS: Fix old dentry rehash after move", which was a follow-up fix. Signed-off-by: Benjamin Coddington <bcodding@redhat.com> Fixes: 920b4530fb80 ("NFS: nfs_rename() handle -ERESTARTSYS dentry left behind") Cc: stable@vger.kernel.org # v4.10+ Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2017-06-27scsi: sun_esp: fix device reference leaksJohan Hovold
Make sure to drop the reference to the dma device taken by of_find_device_by_node() on probe errors and on driver unbind. Fixes: 334ae614772b ("sparc: Kill SBUS DVMA layer.") Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27NFSv4.1: Fix a race in nfs4_proc_layoutgetTrond Myklebust
If the task calling layoutget is signalled, then it is possible for the calls to nfs4_sequence_free_slot() and nfs4_layoutget_prepare() to race, in which case we leak a slot. The fix is to move the call to nfs4_sequence_free_slot() into the nfs4_layoutget_release() so that it gets called at task teardown time. Fixes: 2e80dbe7ac51 ("NFSv4.1: Close callback races for OPEN, LAYOUTGET...") Cc: stable@vger.kernel.org # v4.8+ Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2017-06-27NFS: Trunking detection should handle ERESTARTSYS/EINTRTrond Myklebust
Currently, it will return EIO in those cases. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2017-06-27scsi: fnic: changing queue command to return result DID_IMM_RETRY when rport ↵Satish Kharat
is init Currently the queue command returns DID_NO_CONNECT anytime the rport is not in RPORT_ST_READY state. Changing it to return DID_NO_CONNECT only when the rport is in RPORT_ST_DELETE state. When the rport is in one of the init states retruning DID_IMM_RETRY. Signed-off-by: Sesidhar Baddela <sebaddel@cisco.com> Signed-off-by: Satish Kharat <satishkh@cisco.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: fnic: correct speed display and add support for 25,40 and 100GSatish Kharat
Setting speed based on the vinc device parameter read during linkup. Also adding support to display 25,40 and 100G Signed-off-by: Satish Kharat <satishkh@cisco.com> Signed-off-by: Sesidhar Baddela <sebaddel@cisco.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: fnic: added timestamp reporting in fnic debug statsSatish Kharat
Added the timestamps for 1. current timestamp 2. last fnic stats read timestamp 3. last fnic stats reset timestamp and the deltas since last stats read and last reset in fnic stats. fnic stats uses debugfs Signed-off-by: Sesidhar Baddela <sebaddel@cisco.com> Signed-off-by: Satish Kharat <satishkh@cisco.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: fnic: Zero io_cmpl_skip on fw reset completionSatish Kharat
io_cmpl_skip keep track of number of completions to skip when stats are reset. If a fw_reset happens immediately after stats reset it could put it out of sync so need to reset io_cmpl_skip when fw reset is completed. Signed-off-by: Satish Kharat <satishkh@cisco.com> Signed-off-by: Sesidhar Baddela <sebaddel@cisco.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: bnx2fc: Update version number to 2.11.8.Chad Dupuis
Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: bnx2fc: Make rport_terminate_io callback a NOOP.Chad Dupuis
Do not call the stock libfc terminate rport i/o handler so we won't reset the libfc exchange manager and kill any outstanding discovery requests. Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: bnx2fc: If IO is still in cleanup then do not return to SCSI layer.Chad Dupuis
In eh_abort, driver is calling scsi->done() for a IO for which cleanup is pending. As the IO is outstanding with the firmware, it may do DMA associated with the IO. This may lead to heap corruption. Do not complete the IO for which cleanup is still pending. Return failure from eh_abort and let the SCSI-ml retry the IO. Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: bnx2fc: Adjust bnx2fc_npiv_create_vports for WWNNs from NVRAM that are ↵Chad Dupuis
zero. Some vports addresses stored in NVRAM may have zero for the WWNN. Adjust the WWNN that we'll use to be the same as the WWPN. Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: bnx2fc: Update copyright for 2017.Chad Dupuis
Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: bnx2fc: Check for connection offload before sending RRQ.Chad Dupuis
If the connection is not offloaded then the backpointers from the tgt pointer are undefined. Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: bnx2fc: Add filters to the non-offload FCoE receive path.Chad Dupuis
Add the following filters to bnx2fc_recv_frame(): 1. Filter out invalid packets - eth->dest_mac[3] matches FC frame's D_ID 2. Filter out packets that are not from our connected target - In FIP_ST_ENABLED mode - eth->src_mac matches fcoe_ctlr->dest_addr 3. Filter out packets where if d_id of the packet doesn't belong to the device when one is already assigned a port_id, only then this packet is dropped Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: default to scsi-mqChristoph Hellwig
Remove the SCSI_MQ_DEFAULT config option and default to the blk-mq I/O path now that we had plenty of testing, and have I/O schedulers for blk-mq. The module option to disable the blk-mq path is kept around for now. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: sas: scsi_queue_work can fail, so make callers awareJohannes Thumshirn
libsas uses scsi_queue_work() to queue its internal event notifications. scsi_queue_work() can return -EINVAL if the work queue doesn't exist and it does call queue_work() which can return false if the work is already queued. Make the SAS event code capable of returning errors up to the caller, which is handy when changing to dynamically allocated work in libsas as well, as discussed here: https://lkml.org/lkml/2017/6/14/121. [mkp: fixed typo] Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Update Driver version to 10.00.00.00-kHimanshu Madhani
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: James Smart <james.smart@broadcom.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Use FC-NVMe FC4 type for FDMI registrationDuane Grigsby
[mkp: fixed typo] Signed-off-by: Duane Grigsby <duane.grigsby@cavium.com> Signed-off-by: Darren Trapp <darren.trapp@cavium.com> Signed-off-by: Anil Gurumurthy <anil.gurumurhty@cavium.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: James Smart <james.smart@broadcom.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27xfs: grab dquots without taking the ilockDarrick J. Wong
Add a new dqget flag that grabs the dquot without taking the ilock. This will be used by the scrubber (which will have already grabbed the ilock) to perform basic sanity checking of the quota data. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
2017-06-27xfs: fix semicolon.cocci warningskbuild test robot
fs/xfs/xfs_log.c:2092:38-39: Unneeded semicolon Remove unneeded semicolon. Generated by: scripts/coccinelle/misc/semicolon.cocci Fixes: d4ca1d550d05 ("xfs: dump transaction usage details on log reservation overrun") CC: Brian Foster <bfoster@redhat.com> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2017-06-27xfs: Don't clear SGID when inheriting ACLsJan Kara
When new directory 'DIR1' is created in a directory 'DIR0' with SGID bit set, DIR1 is expected to have SGID bit set (and owning group equal to the owning group of 'DIR0'). However when 'DIR0' also has some default ACLs that 'DIR1' inherits, setting these ACLs will result in SGID bit on 'DIR1' to get cleared if user is not member of the owning group. Fix the problem by calling __xfs_set_acl() instead of xfs_set_acl() when setting up inode in xfs_generic_create(). That prevents SGID bit clearing and mode is properly set by posix_acl_create() anyway. We also reorder arguments of __xfs_set_acl() to match the ordering of xfs_set_acl() to make things consistent. Fixes: 073931017b49d9458aa351605b43a7e34598caef CC: stable@vger.kernel.org CC: Darrick J. Wong <darrick.wong@oracle.com> CC: linux-xfs@vger.kernel.org Signed-off-by: Jan Kara <jack@suse.cz> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2017-06-27xfs: free cowblocks and retry on buffered write ENOSPCBrian Foster
XFS runs an eofblocks reclaim scan before returning an ENOSPC error to userspace for buffered writes. This facilitates aggressive speculative preallocation without causing user visible side effects such as premature ENOSPC. Run a cowblocks scan in the same situation to reclaim lingering COW fork preallocation throughout the filesystem. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2017-06-27xfs: replace log_badcrc_factor knob with error injection tagBrian Foster
Now that error injection tags support dynamic frequency adjustment, replace the debug mode sysfs knob that controls log record CRC error injection with an error injection tag. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2017-06-27xfs: convert drop_writes to use the errortag mechanismDarrick J. Wong
We now have enhanced error injection that can control the frequency with which errors happen, so convert drop_writes to use this. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
2017-06-27xfs: remove unneeded parameter from XFS_TEST_ERRORDarrick J. Wong
Since we moved the injected error frequency controls to the mountpoint, we can get rid of the last argument to XFS_TEST_ERROR. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
2017-06-27xfs: expose errortag knobs via sysfsDarrick J. Wong
Creates a /sys/fs/xfs/$dev/errortag/ directory to control the errortag values directly. This enables us to control the randomness values, rather than having to accept the defaults. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
2017-06-27xfs: make errortag a per-mountpoint structureDarrick J. Wong
Remove the xfs_etest structure in favor of a per-mountpoint structure. This will give us the flexibility to set as many error injection points as we want, and later enable us to set up sysfs knobs to set the trigger frequency as we wish. This comes at a cost of higher memory use, but unti we hit 1024 injection points (we're at 29) or a lot of mounts this shouldn't be a huge issue. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
2017-06-27scsi: qla2xxx: Send FC4 type NVMe to the management serverDuane Grigsby
This patch adds switch command support for FC-4 type of FC-NVMe (0x28) for resgistering HBA port to the management server. RFT_ID command is used to register FC-4 type of 0x28 and RFF_ID is used to register FC-4 features bits for FC-NVMe port. Signed-off-by: Darren Trapp <darren.trapp@cavium.com> Signed-off-by: Duane Grigsby <duane.grigsby@cavium.com> Signed-off-by: Anil Gurumurthy <anil.gurumurhty@cavium.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Reviewed-By: James Smart <james.smart@broadcom.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Add FC-NVMe F/W initialization and transport registrationDuane Grigsby
This code provides the interfaces to register remote and local ports of FC4 type 0x28 with the FC-NVMe transport and transports the requests (FC-NVMe FC link services and FC-NVMe commands IUs) to the fabric. It also provides the support for allocating h/w queues and aborting FC-NVMe FC requests. Signed-off-by: Darren Trapp <darren.trapp@cavium.com> Signed-off-by: Duane Grigsby <duane.grigsby@cavium.com> Signed-off-by: Anil Gurumurthy <anil.gurumurhty@cavium.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Add FC-NVMe command handlingDuane Grigsby
This patch adds logic to handle the completion of FC-NVMe commands and creates a sub-command in the SRB command structure to manage NVMe commands. Signed-off-by: Darren Trapp <darren.trapp@cavium.com> Signed-off-by: Duane Grigsby <duane.grigsby@cavium.com> Signed-off-by: Anil Gurumurthy <anil.gurumurhty@cavium.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Add FC-NVMe port discovery and PRLI handlingDuane Grigsby
Added logic to change the login process into an optional PRIL step for FC-NVMe ports as a separate operation, such that we can change type to 0x28 (NVMe). Currently, the driver performs the PLOGI/PRLI together as one operation, but if the discovered port is an NVMe port then we first issue the PLOGI and then we issue the PRLI. Also, the fabric discovery logic was changed to mark each discovered FC NVMe port, so that we can register them with the FC-NVMe transport later. Signed-off-by: Darren Trapp <darren.trapp@cavium.com> Signed-off-by: Duane Grigsby <duane.grigsby@cavium.com> Signed-off-by: Anil Gurumurthy <anil.gurumurhty@cavium.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Update driver version to 9.01.00.00-khimanshu.madhani@cavium.com
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Include Exchange offload/Extended Login into FW dumpQuinn Tran
Add missing memory dump of Exchange Offload and Extended login into FW dump. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Move target stat counters from vha to qpair.Quinn Tran
Move counters to qpair to reduce cache miss. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Remove datasegs_per_cmd and datasegs_per_cont fieldQuinn Tran
These fields only hold one set of value. Replace it with macros to reduce cache thrash. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Remove unused tgt_enable_64bit_addr flagQuinn Tran
By default this flag is forced to true. Remove this flag and unneccessary check for this flag. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Add debug logging routine for qpairQuinn Tran
For target main path io routines that uses qpair, create new logging & debugging routines to use qpair instead of reaching for scsi_qla_host to reduce cache thrash. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Add function call to qpair for door bellQuinn Tran
Add call back to door bell for qpair. This help reduce access to qla_hw_data structure, in order to reduce cach thrash. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: use shadow register for ISP27XXQuinn Tran
For ISP27XX, use shadow register to read FW provided REQQ's consumer index. The shadow register is dma'ed by firmware. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: move fields from qla_hw_data to qla_qpairQuinn Tran
- Move chip_reset, enable_class_2 fields from qla_hw_data to qla_qpair to reduce cache thrash for target MQ. - Optimizations to reduce unnecessary memory load for good path io. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Add fw_started flags to qpairQuinn Tran
Add fw_started flag to qpair to reduce cache thrash. This reduce access to qla_hw_data structure by each qpair. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Add debug knob for user control workloadQuinn Tran
For Target mode, user can control the work load by placing qla2xxx's irq vector on certain CPU via the smp_affinity knob. This patch allows user to control the number of QPair's irq to be active. The irqs are allocated at driver load time until unload. The work itself is placed on the QPair based on user setting. Usage: modprobe qla2xxx qlini_mode=disabled ql2xuctrlirq=1 mount -t debugfs none /sys/kernel/debug echo 2 > /sys/kernel/debug/qla2xxx/qla2xxx_[host num]/naqp echo [cpu id] > /proc/irq/[irq id]/smp_affinity_list Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Fix mailbox failure while deleting Queue pairsSawan Chandak
In target mode driver, queue pairs are not created during driver load time, instead they are created at the configuration time after chip reset. If a user tries to load/unload driver after queue pairs are created, then there would be mailbox failure, while deleting queue pairs. Flag is added to check if queue pairs are created or not. Queue pairs will be deleted only If they were created during target configuration. Signed-off-by: Sawan Chandak <sawan.chandak@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Enable Target Multi QueueQuinn Tran
Enable Multi Queue for Target mode. At Initiator LUN scan time, each LUN is assign to a QPair. Each QPair is affinitize to certain CPU. When new cmd arrives from the wire, the lunid is used to search for qpair. The qpair's affinitized cpuid will be used to queue up the work element. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Preparation for Target MQ.Quinn Tran
In Current code, Req Q 0, RespQ 0 & hardware_lock are the main resources for sending and process completion of Target IO. These resources are now referenced behind a new qpair/"struct qla_qpair base_qpair". Main path IO handle will access those resources via the qpair pointer in preparation for Target MQ. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27scsi: qla2xxx: Combine Active command arrays.Quinn Tran
Merge active/outstanding cmd arrays from target side and initiator side together in prepration for Target Multi Queue support. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-06-27tools/testing/selftests/sysctl: Add pre-check to the value of writes_strictOrson Zhai
Sysctl test will fail in some items if the value of /proc/sys/kernel /sysctrl_writes_strict is 0 as the default value in kernel older than v4.5. Make this test more robus and compatible with older kernel by checking and update writes_strict value and restore it when test is done. Signed-off-by: Orson Zhai <orson.zhai@linaro.org> Reviewed-by: Sumit Semwal <sumit.semwal@linaro.org> Tested-by: Sumit Semwal <sumit.semwal@linaro.org> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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