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linux-stable/drivers/scsi/lpfc
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James Smart 4d5e789a2e scsi: lpfc: correct oversubscription of nvme io requests for an adapter 
Under large configurations, the driver would start to log message 6065 -
NVME out of buffers (exchanges).

The driver is using the ndlp cmd_qdepth value when determining the max
outstanding ios for an adapter. This value, by default, is set to 65536,
which exceeds the maximum exchange counts supported on an adapter. The ndlp
cmd_qdepth has no relevance and outstanding io count should be capped at
the max exchange count with IO requests beyond that level getting bounced
back with an EBUSY status so that they are retried by the block layer.

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-05-28 22:40:33 -04:00
..
lpfc.h scsi: lpfc: Enlarge nvmet asynchronous receive buffer counts 2018-04-18 19:34:02 -04:00
lpfc_attr.c scsi: lpfc: correct oversubscription of nvme io requests for an adapter 2018-05-28 22:40:33 -04:00
lpfc_attr.h scsi: lpfc: Add Buffer to Buffer credit recovery support 2017-08-24 22:29:43 -04:00
lpfc_bsg.c scsi: lpfc: fix spelling mistakes: "mabilbox" and "maibox" 2018-05-08 01:26:44 -04:00
lpfc_bsg.h scsi: lpfc: Update copyrights 2017-02-22 18:41:44 -05:00
lpfc_compat.h scsi: lpfc: Update copyrights 2017-02-22 18:41:44 -05:00
lpfc_crtn.h scsi: lpfc: Streamline NVME Targe6t WQE setup 2018-03-12 21:55:23 -04:00
lpfc_ct.c scsi: lpfc: Correct missing remoteport registration during link bounces 2018-04-18 19:34:06 -04:00
lpfc_debugfs.c scsi: lpfc: Comment cleanup regarding Broadcom copyright header 2018-05-08 01:03:16 -04:00
lpfc_debugfs.h scsi: lpfc: Change Copyright of 12.0.0.0 modified files to 2018 2018-02-22 20:39:30 -05:00
lpfc_disc.h scsi: lpfc: Correct driver deregistrations with host nvme transport 2017-12-04 20:32:54 -05:00
lpfc_els.c scsi: lpfc: Fix driver not recovering NVME rports during target link faults 2018-04-18 19:34:05 -04:00
lpfc_hbadisc.c scsi: lpfc: Fix MDS diagnostics failure (Rx < Tx) 2018-05-28 22:40:32 -04:00
lpfc_hw.h scsi: lpfc: Change Copyright of 12.0.0.0 modified files to 2018 2018-02-22 20:39:30 -05:00
lpfc_hw4.h scsi: lpfc: Comment cleanup regarding Broadcom copyright header 2018-05-08 01:03:16 -04:00
lpfc_ids.h scsi: lpfc: Change Copyright of 12.0.0.0 modified files to 2018 2018-02-22 20:39:30 -05:00
lpfc_init.c scsi: lpfc: fix spelling mistakes: "mabilbox" and "maibox" 2018-05-08 01:26:44 -04:00
lpfc_logmsg.h scsi: lpfc: Update copyrights 2017-02-22 18:41:44 -05:00
lpfc_mbox.c scsi: lpfc: Add 64G link speed support 2018-02-22 20:39:29 -05:00
lpfc_mem.c scsi: lpfc: Update 11.4.0.7 modified files for 2018 Copyright 2018-02-12 11:43:24 -05:00
lpfc_nl.h scsi: lpfc: Update copyrights 2017-02-22 18:41:44 -05:00
lpfc_nportdisc.c scsi: lpfc: correct oversubscription of nvme io requests for an adapter 2018-05-28 22:40:33 -04:00
lpfc_nvme.c scsi: lpfc: correct oversubscription of nvme io requests for an adapter 2018-05-28 22:40:33 -04:00
lpfc_nvme.h scsi: lpfc: Comment cleanup regarding Broadcom copyright header 2018-05-08 01:03:16 -04:00
lpfc_nvmet.c scsi: lpfc: make several unions static, fix non-ANSI prototype 2018-03-14 23:36:37 -04:00
lpfc_nvmet.h scsi: lpfc: Enlarge nvmet asynchronous receive buffer counts 2018-04-18 19:34:02 -04:00
lpfc_scsi.c scsi: lpfc: Comment cleanup regarding Broadcom copyright header 2018-05-08 01:03:16 -04:00
lpfc_scsi.h scsi: lpfc: Comment cleanup regarding Broadcom copyright header 2018-05-08 01:03:16 -04:00
lpfc_sli.c scsi: lpfc: Fix MDS diagnostics failure (Rx < Tx) 2018-05-28 22:40:32 -04:00
lpfc_sli.h scsi: lpfc: Fix mailbox wait for POST_SGL mbox command 2018-03-12 21:55:24 -04:00
lpfc_sli4.h scsi: lpfc: Fix WQ/CQ creation for older asic's. 2018-04-18 19:34:04 -04:00
lpfc_version.h scsi: lpfc: Comment cleanup regarding Broadcom copyright header 2018-05-08 01:03:16 -04:00
lpfc_vport.c scsi: lpfc: Disable NPIV support if NVME is enabled 2017-10-02 22:46:39 -04:00
lpfc_vport.h scsi: lpfc: Update copyrights 2017-02-22 18:41:44 -05:00
Makefile scsi: lpfc: Update copyrights 2017-02-22 18:41:44 -05:00