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SCSI misc on 20190315

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This is the final round of mostly small fixes and performance
 improvements to our initial submit.  The main regression fix is the
 ia64 simscsi build failure which was missed in the serial number
 elimination conversion.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull more SCSI updates from James Bottomley:
 "This is the final round of mostly small fixes and performance
  improvements to our initial submit.

  The main regression fix is the ia64 simscsi build failure which was
  missed in the serial number elimination conversion"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (24 commits)
  scsi: ia64: simscsi: use request tag instead of serial_number
  scsi: aacraid: Fix performance issue on logical drives
  scsi: lpfc: Fix error codes in lpfc_sli4_pci_mem_setup()
  scsi: libiscsi: Hold back_lock when calling iscsi_complete_task
  scsi: hisi_sas: Change SERDES_CFG init value to increase reliability of HiLink
  scsi: hisi_sas: Send HARD RESET to clear the previous affiliation of STP target port
  scsi: hisi_sas: Set PHY linkrate when disconnected
  scsi: hisi_sas: print PHY RX errors count for later revision of v3 hw
  scsi: hisi_sas: Fix a timeout race of driver internal and SMP IO
  scsi: hisi_sas: Change return variable type in phy_up_v3_hw()
  scsi: qla2xxx: check for kstrtol() failure
  scsi: lpfc: fix 32-bit format string warning
  scsi: lpfc: fix unused variable warning
  scsi: target: tcmu: Switch to bitmap_zalloc()
  scsi: libiscsi: fall back to sendmsg for slab pages
  scsi: qla2xxx: avoid printf format warning
  scsi: lpfc: resolve static checker warning in lpfc_sli4_hba_unset
  scsi: lpfc: Correct __lpfc_sli_issue_iocb_s4 lockdep check
  scsi: ufs: hisi: fix ufs_hba_variant_ops passing
  scsi: qla2xxx: Fix panic in qla_dfs_tgt_counters_show
  ...
This commit is contained in:
Linus Torvalds 2019-03-16 12:51:50 -07:00
commit 477558d7e8
22 changed files with 210 additions and 80 deletions
Download patch file Download diff file Expand all files Collapse all files

22
drivers/scsi/libiscsi.c
View file

@ -798,7 +798,7 @@ EXPORT_SYMBOL_GPL(iscsi_conn_send_pdu);
* @datalen: len of buffer
*
* iscsi_cmd_rsp sets up the scsi_cmnd fields based on the PDU and
* then completes the command and task.
* then completes the command and task. called under back_lock
**/
static void iscsi_scsi_cmd_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
struct iscsi_task *task, char *data,
@ -894,6 +894,9 @@ out:
* @conn: iscsi connection
* @hdr: iscsi pdu
* @task: scsi command task
*
* iscsi_data_in_rsp sets up the scsi_cmnd fields based on the data received
* then completes the command and task. called under back_lock
**/
static void
iscsi_data_in_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
@ -978,6 +981,16 @@ static int iscsi_send_nopout(struct iscsi_conn *conn, struct iscsi_nopin *rhdr)
return 0;
}
/**
* iscsi_nop_out_rsp - SCSI NOP Response processing
* @task: scsi command task
* @nop: the nop structure
* @data: where to put the data
* @datalen: length of data
*
* iscsi_nop_out_rsp handles nop response from use or
* from user space. called under back_lock
**/
static int iscsi_nop_out_rsp(struct iscsi_task *task,
struct iscsi_nopin *nop, char *data, int datalen)
{
@ -1750,7 +1763,9 @@ int iscsi_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc)
return 0;
prepd_reject:
spin_lock_bh(&session->back_lock);
iscsi_complete_task(task, ISCSI_TASK_REQUEUE_SCSIQ);
spin_unlock_bh(&session->back_lock);
reject:
spin_unlock_bh(&session->frwd_lock);
ISCSI_DBG_SESSION(session, "cmd 0x%x rejected (%d)\n",
@ -1758,7 +1773,9 @@ reject:
return SCSI_MLQUEUE_TARGET_BUSY;
prepd_fault:
spin_lock_bh(&session->back_lock);
iscsi_complete_task(task, ISCSI_TASK_REQUEUE_SCSIQ);
spin_unlock_bh(&session->back_lock);
fault:
spin_unlock_bh(&session->frwd_lock);
ISCSI_DBG_SESSION(session, "iscsi: cmd 0x%x is not queued (%d)\n",
@ -3075,8 +3092,9 @@ fail_mgmt_tasks(struct iscsi_session *session, struct iscsi_conn *conn)
state = ISCSI_TASK_ABRT_SESS_RECOV;
if (task->state == ISCSI_TASK_PENDING)
state = ISCSI_TASK_COMPLETED;
spin_lock_bh(&session->back_lock);
iscsi_complete_task(task, state);
spin_unlock_bh(&session->back_lock);
}
}