forked from Minki/linux
c826a31457
frames followed by these errors in log. [sdp] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK [sdp] Sense Key : Aborted Command [current] [sdp] Add. Sense: Data phase error This was causing some test apps to exit due to write failure under heavy load. This was due to a race around adding and removing tx frame skb in fcoe_pending_queue, Chris Leech helped me to find that brief unlocking period when pulling skb from fcoe_pending_queue in various contexts (fcoe_watchdog and fcoe_xmit) and then adding skb back into fcoe_pending_queue up on a failed fcoe_start_io could change skb/tx frame order in fcoe_pending_queue. Thanks Chris. This patch allows only single context to pull skb from fcoe_pending_queue at any time to prevent above described ordering issue/race by use of fcoe_pending_queue_active flag. This patch simplified fcoe_watchdog with modified fcoe_check_wait_queue by use of FCOE_LOW_QUEUE_DEPTH instead previously used several conditionals to clear and set lp->qfull. I think FCOE_MAX_QUEUE_DEPTH with FCOE_LOW_QUEUE_DEPTH will work better in re/setting lp->qfull and these could be fine tuned for performance. Signed-off-by: Vasu Dev <vasu.dev@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> |
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| .. | ||
| fc | ||
| fc_encode.h | ||
| fc_frame.h | ||
| fc_transport_fcoe.h | ||
| iscsi_if.h | ||
| iscsi_proto.h | ||
| libfc.h | ||
| libfcoe.h | ||
| libiscsi_tcp.h | ||
| libiscsi.h | ||
| libsas.h | ||
| libsrp.h | ||
| sas_ata.h | ||
| sas.h | ||
| scsi_cmnd.h | ||
| scsi_dbg.h | ||
| scsi_device.h | ||
| scsi_devinfo.h | ||
| scsi_dh.h | ||
| scsi_driver.h | ||
| scsi_eh.h | ||
| scsi_host.h | ||
| scsi_ioctl.h | ||
| scsi_netlink_fc.h | ||
| scsi_netlink.h | ||
| scsi_tcq.h | ||
| scsi_tgt_if.h | ||
| scsi_tgt.h | ||
| scsi_transport_fc.h | ||
| scsi_transport_iscsi.h | ||
| scsi_transport_sas.h | ||
| scsi_transport_spi.h | ||
| scsi_transport_srp.h | ||
| scsi_transport.h | ||
| scsi.h | ||
| scsicam.h | ||
| sg.h | ||
| srp.h | ||