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OpenCloudOS-Kernel/drivers/scsi
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Brian King ef97d8ae12 scsi: ipr: Fix SATA EH hang 
This patch fixes a hang that can occur in ATA EH with ipr. With ipr's
usage of libata, commands should never end up on ap->eh_done_q. The
timeout function we use for ipr, even for SATA devices, is
scsi_times_out, so ATA_QCFLAG_EH_SCHEDULED never gets set for ipr and EH
is driven completely by ipr and SCSI. The SCSI EH thread ends up calling
ipr's eh_device_reset_handler, which then calls
ata_std_error_handler. This ends up calling ipr_sata_reset, which issues
a reset to the device. This should result in all pending commands
getting failed back and having ata_qc_complete called for them, which
should end up clearing ATA_QCFLAG_FAILED as qc->flags gets zeroed in
ata_qc_free.  This ensures that when we end up in ata_eh_finish, we
don't do anything more with the command.

On adapters that only support a single interrupt and when running with
two MSI-X vectors or less, the adapter firmware guarantees that
responses to all outstanding commands are sent back prior to sending the
response to the SATA reset command.  On newer adapters supporting
multiple HRRQs, however, this can no longer be guaranteed, since the
command responses and reset response may be processed on different
HRRQs.

If ipr returns from ipr_sata_reset before the outstanding command was
returned, this sends us down the path of __ata_eh_qc_complete which then
moves the associated scsi_cmd from the work_q in
scsi_eh_bus_device_reset to ap->eh_done_q, which then will sit there
forever and we will be wedged.

This patch fixes this up by ensuring that any outstanding commands are
flushed before returning from eh_device_reset_handler for a SATA device.

Reported-by: David Jeffery <djeffery@redhat.com>
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Reviewed-by: Wendy Xiong <wenxiong@linux.vnet.ibm.com>
Tested-by: Wendy Xiong <wenxiong@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 		2017-03-23 12:04:05 -04:00
..
aacraid SCSI misc on 20170303 2017-03-03 21:36:56 -08:00
aic7xxx scripts/spelling.txt: add "disble(d)" pattern and fix typo instances 2017-03-09 17:01:09 -08:00
aic94xx scsi: aic94xx: Add a missing call to kfree 2016-11-29 11:21:49 -05:00
arcmsr Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
arm scsi: ncr5380: Use correct types for DMA routines 2016-11-08 17:29:48 -05:00
be2iscsi scsi: remove eh_timed_out methods in the transport template 2017-02-06 19:10:03 -05:00
bfa scripts/spelling.txt: add "aligment" pattern and fix typo instances 2017-02-27 18:43:46 -08:00
bnx2fc sched/headers: Prepare for new header dependencies before moving code to <linux/sched/signal.h> 2017-03-02 08:42:29 +01:00
bnx2i sched/headers: Prepare for new header dependencies before moving code to <linux/sched/signal.h> 2017-03-02 08:42:29 +01:00
csiostor scsi: remove eh_timed_out methods in the transport template 2017-02-06 19:10:03 -05:00
cxgbi Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-02-22 10:15:09 -08:00
cxlflash SCSI misc on 20170303 2017-03-03 21:36:56 -08:00
device_handler scsi: remove scsi_execute_req_flags 2017-02-23 16:57:36 -05:00
dpt
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esas2r scsi: esas2r: Remove redundant NULL check on buffer 2017-03-16 19:49:45 -04:00
fcoe scripts/spelling.txt: add "omited" pattern and fix typo instances 2017-02-27 18:43:47 -08:00
fnic scsi: fnic: bug fix for fip.fip_subcode in fnic_fcoe_send_vlan_req 2017-03-23 09:57:23 -04:00
hisi_sas scsi: hisi_sas: add is_sata_phy_v2_hw() 2017-03-23 11:12:02 -04:00
ibmvscsi scsi: remove eh_timed_out methods in the transport template 2017-02-06 19:10:03 -05:00
ibmvscsi_tgt ibmvscsis: Add SGL limit 2017-02-08 10:51:24 -08:00
isci scsi: isci: switch to pci_alloc_irq_vectors 2016-12-01 08:36:17 -05:00
libfc scsi: libfc: convert fc_fcp_pkt.ref_cnt from atomic_t to refcount_t 2017-03-15 18:44:02 -04:00
libsas SCSI misc on 20170220 2017-02-21 11:51:42 -08:00
lpfc SCSI misc on 20170303 2017-03-03 21:36:56 -08:00
megaraid scsi: megaraid_sas: handle dma_addr_t right on 32-bit 2017-02-15 21:39:45 -05:00
mpt3sas SCSI misc on 20170303 2017-03-03 21:36:56 -08:00
mvsas SCSI misc on 20161213 2016-12-14 10:49:33 -08:00
osd SCSI misc on 20170303 2017-03-03 21:36:56 -08:00
pcmcia scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
pm8001 scsi: pm8001: switch to pci_irq_alloc_vectors 2017-02-06 19:12:30 -05:00
qedf scsi: qedf: fixup compilation warning about atomic_t usage 2017-02-23 16:59:04 -05:00
qedi scsi: libiscsi: qedi: convert iscsi_task.refcount from atomic_t to refcount_t 2017-03-15 18:44:39 -04:00
qla2xxx SCSI misc on 20170303 2017-03-03 21:36:56 -08:00
qla4xxx scsi: qla4xxx: remove two unused MSI-X related #defines 2017-01-11 22:54:45 -05:00
smartpqi scsi: smartpqi: fix time handling 2017-02-22 18:41:42 -05:00
snic SCSI misc on 20170220 2017-02-21 11:51:42 -08:00
sym53c8xx_2 scsi: sym53c8xx_2: Use complete() instead complete_all() 2016-09-14 13:19:29 -04:00
ufs scsi: remove scsi_execute_req_flags 2017-02-23 16:57:36 -05:00
.gitignore
…
3w-9xxx.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
3w-9xxx.h scsi: Update 3ware driver email addresses 2016-12-14 15:25:12 -05:00
3w-sas.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
3w-sas.h scsi: Update 3ware driver email addresses 2016-12-14 15:25:12 -05:00
3w-xxxx.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
3w-xxxx.h scsi: Update 3ware driver email addresses 2016-12-14 15:25:12 -05:00
53c700.c scsi: remove current_cmnd field from struct scsi_device 2016-07-13 22:33:23 -04:00
53c700.h scsi: remove current_cmnd field from struct scsi_device 2016-07-13 22:33:23 -04:00
53c700.scr
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53c700_d.h_shipped
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BusLogic.c scsi: replace seq_printf with seq_puts 2015-02-02 09:57:45 -08:00
BusLogic.h
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FlashPoint.c FlashPoint: fix build warning 2015-11-09 16:32:14 -08:00
Kconfig scsi: mac_scsi: Fix MAC_SCSI=m option when SCSI=m 2017-02-23 17:25:02 -05:00
Makefile scsi: qedf: Add QLogic FastLinQ offload FCoE driver framework. 2017-02-22 19:10:59 -05:00
NCR53c406a.c scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
NCR5380.c scsi: ncr5380: Improve target selection robustness 2017-01-31 21:38:58 -05:00
NCR5380.h scsi: ncr5380: Clean up dead code and redundant macro usage 2017-01-31 21:37:44 -05:00
NCR_D700.c
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NCR_D700.h
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NCR_Q720.c
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NCR_Q720.h
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a100u2w.c scsi: a100u2w: trivial typo in printk 2015-08-07 15:03:42 +02:00
a100u2w.h
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a2091.c zorro: ZTWO_VADDR() should return "void __iomem *" 2013-11-26 11:09:07 +01:00
a2091.h
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a3000.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
a3000.h
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a4000t.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
advansys.c scsi: advansys: fix build warning for PCI=n 2016-11-08 17:29:58 -05:00
aha152x.c scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
aha152x.h
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aha1542.c scsi: aha1542: avoid uninitialized variable warnings 2016-02-23 21:27:02 -05:00
aha1542.h aha1542: fix include guard and remove useless changelog 2015-04-09 18:08:31 -07:00
aha1740.c scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
aha1740.h scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
am53c974.c am53c974: Fix crash during modprobe 2015-04-17 10:13:56 -07:00
atari_scsi.c scsi: atari_scsi: Reset DMA during bus reset only under ST-DMA lock 2017-01-31 21:39:22 -05:00
atp870u.c atp870u: Introduce atp870_init() 2015-11-25 22:08:55 -05:00
atp870u.h atp870u: Remove scam_on from struct atp_unit 2015-11-25 22:08:52 -05:00
bvme6000_scsi.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
ch.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2015-04-14 09:50:27 -07:00
constants.c scsi: fix upper bounds check of sense key in scsi_sense_key_string() 2016-08-16 00:49:32 -04:00
dc395x.c scsi: print single-character strings with seq_putc 2015-02-02 09:57:46 -08:00
dc395x.h
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dmx3191d.c scsi: dmx3191d: use module_pci_driver 2016-11-16 20:43:50 -05:00
dpt_i2o.c scsi: dpt_i2o: double free if adpt_i2o_online_hba() fails 2017-01-05 00:21:12 -05:00
dpti.h scsi: use 64-bit LUNs 2014-07-17 22:07:37 +02:00
eata.c scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
eata_generic.h
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eata_pio.c eata_pio: missing break statement 2016-05-10 22:01:07 -04:00
eata_pio.h
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esp_scsi.c scsi: use host wide tags by default 2015-11-09 17:11:57 -08:00
esp_scsi.h esp_scsi: correctly detect am53c974 2014-11-24 16:13:16 +01:00
fdomain.c scsi: fdomain: drop fdomain_pci_tbl when built-in 2016-02-23 21:27:02 -05:00
fdomain.h
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g_NCR5380.c scsi: ncr5380: Reduce #include files 2017-01-31 21:38:15 -05:00
gdth.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
gdth.h
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gdth_ioctl.h
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gdth_proc.c gdth: replace struct timeval with ktime_get_real_seconds() 2016-02-25 21:16:49 -05:00
gdth_proc.h
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gvp11.c zorro: ZTWO_VADDR() should return "void __iomem *" 2013-11-26 11:09:07 +01:00
gvp11.h
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hosts.c scsi: allocate scsi_cmnd structures as part of struct request 2017-01-27 15:08:35 -07:00
hpsa.c SCSI misc on 20170220 2017-02-21 11:51:42 -08:00
hpsa.h scsi: hpsa: use designated initializers 2017-01-05 00:21:12 -05:00
hpsa_cmd.h scsi: hpsa: Check for vpd support before sending 2016-09-14 14:19:31 -04:00
hptiop.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
hptiop.h hptiop: Support HighPoint RR36xx HBAs and Support SAS tape and SAS media changer 2015-08-12 13:14:57 -07:00
imm.c imm: check parport_claim 2016-02-25 21:10:53 -05:00
imm.h
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initio.c SCSI: initio: remove duplicate module device table 2015-11-20 11:39:03 -05:00
initio.h
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ipr.c scsi: ipr: Fix SATA EH hang 2017-03-23 12:04:05 -04:00
ipr.h scsi: ipr: Use pci_irq_allocate_vectors 2016-11-08 17:29:46 -05:00
ips.c scsi: ips: don't use custom hex_asc_upper[] table 2016-11-08 17:29:57 -05:00
ips.h Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
iscsi_boot_sysfs.c ibft: Expose iBFT acpi header via sysfs 2016-05-16 11:14:29 -04:00
iscsi_tcp.c scsi: remove eh_timed_out methods in the transport template 2017-02-06 19:10:03 -05:00
iscsi_tcp.h iscsi_tcp: Use ahash 2016-01-27 20:36:10 +08:00
jazz_esp.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
lasi700.c
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libiscsi.c scsi: libiscsi: qedi: convert iscsi_task.refcount from atomic_t to refcount_t 2017-03-15 18:44:39 -04:00
libiscsi_tcp.c iscsi_tcp: Use ahash 2016-01-27 20:36:10 +08:00
mac53c94.c PCI: Remove includes of asm/pci-bridge.h 2016-02-05 16:29:28 -06:00
mac53c94.h
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mac_esp.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
mac_scsi.c scsi: ncr5380: Resolve various static checker warnings 2017-01-31 21:38:35 -05:00
megaraid.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
megaraid.h [SCSI] megaraid: simplify internal command handling 2014-03-27 08:26:31 -07:00
mesh.c PCI: Remove includes of asm/pci-bridge.h 2016-02-05 16:29:28 -06:00
mesh.h
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mvme16x_scsi.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
mvme147.c
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mvme147.h
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mvumi.c scsi: mvumi: remove fake transport template 2017-02-06 19:08:17 -05:00
mvumi.h
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ncr53c8xx.c scsi: drop reason argument from ->change_queue_depth 2014-11-24 14:45:27 +01:00
ncr53c8xx.h scsi: Remove CONFIG_SCSI_MULTI_LUN 2014-07-17 22:07:35 +02:00
nsp32.c scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
nsp32.h
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nsp32_debug.c
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nsp32_io.h
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osst.c sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
osst.h
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osst_detect.h
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osst_options.h
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pmcraid.c scsi: pmcraid: switch to pci_alloc_irq_vectors 2017-01-09 23:47:00 -05:00
pmcraid.h scsi: pmcraid: switch to pci_alloc_irq_vectors 2017-01-09 23:47:00 -05:00
ppa.c scsi: ppa: use new parport device model 2016-02-23 21:27:02 -05:00
ppa.h
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ps3rom.c scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
qla1280.c qla1280: Don't allocate 512kb of host tags 2016-04-30 09:25:26 -07:00
qla1280.h
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qlogicfas.c scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
qlogicfas408.c
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qlogicfas408.h
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qlogicpti.c qlogicpti: Return correct error code 2016-03-01 20:06:49 -05:00
qlogicpti.h qlogicpti: Fix compiler warnings 2016-11-28 15:51:31 -05:00
raid_class.c
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script_asm.pl
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scsi.c block: introduce blk_rq_is_passthrough 2017-01-31 14:00:34 -07:00
scsi.h
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scsi_common.c scsi: always zero sshdr in scsi_normalize_sense 2017-02-22 19:33:00 -05:00
scsi_debug.c scsi: scsi_debug: Add OPTIMAL TRANSFER LENGTH GRANULARITY option. 2017-01-31 22:08:44 -05:00
scsi_devinfo.c scsi: scsi_devinfo: remove synchronous ALUA for NETAPP devices 2016-12-07 18:13:52 -05:00
scsi_dh.c scsi: use 'scsi_device_from_queue()' for scsi_dh 2017-02-22 18:41:42 -05:00
scsi_error.c SCSI misc on 20170220 2017-02-21 11:51:42 -08:00
scsi_ioctl.c scsi: make the sense header argument to scsi_test_unit_ready mandatory 2017-02-22 19:35:24 -05:00
scsi_lib.c SCSI misc on 20170303 2017-03-03 21:36:56 -08:00
scsi_lib_dma.c
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scsi_logging.c scsi_logging: return void for dev_printk() functions 2015-02-04 08:00:24 -08:00
scsi_logging.h scsi: simplify scsi_log_(send|completion) 2014-11-12 11:16:05 +01:00
scsi_module.c
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scsi_netlink.c net: Use netlink_ns_capable to verify the permisions of netlink messages 2014-04-24 13:44:54 -04:00
scsi_pm.c scsi: Set request queue runtime PM status back to active on resume 2016-02-19 10:52:45 -05:00
scsi_priv.h scsi: allocate scsi_cmnd structures as part of struct request 2017-01-27 15:08:35 -07:00
scsi_proc.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
scsi_sas_internal.h scsi_transport_sas: add 'scsi_target_id' sysfs attribute 2016-03-14 21:05:04 -04:00
scsi_scan.c scsi: Remove one useless stack variable 2016-10-11 18:02:09 -04:00
scsi_sysctl.c scsi: convert use of typedef ctl_table to struct ctl_table 2014-06-06 16:08:16 -07:00
scsi_sysfs.c scsi: avoid a permanent stop of the scsi device's request queue 2016-12-14 15:51:17 -05:00
scsi_trace.c scsi-trace: define ZBC_IN and ZBC_OUT 2016-04-11 16:57:09 -04:00
scsi_transport_api.h
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scsi_transport_fc.c SCSI misc on 20170220 2017-02-21 11:51:42 -08:00
scsi_transport_iscsi.c block/bsg: move queue creation into bsg_setup_queue 2017-01-27 15:08:35 -07:00
scsi_transport_sas.c scripts/spelling.txt: add "intialization" pattern and fix typo instances 2017-02-27 18:43:47 -08:00
scsi_transport_spi.c scsi: merge __scsi_execute into scsi_execute 2017-02-23 16:57:19 -05:00
scsi_transport_srp.c scsi: remove tsk_mgmt_response and it_nexus_response transport methods 2017-02-06 19:10:41 -05:00
scsi_typedefs.h
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scsicam.c scsi: PC partition tables are little endian 2014-11-12 11:15:54 +01:00
sd.c Revert "scsi, block: fix duplicate bdi name registration crashes" 2017-03-08 10:55:17 -07:00
sd.h sd: Implement support for ZBC devices 2016-10-18 19:49:11 -06:00
sd_dif.c scsi: sd: Move DIF protection types to t10-pi.h 2016-09-15 09:51:14 -04:00
sd_zbc.c sd_zbc: Force use of READ16/WRITE16 2016-11-14 13:16:42 -07:00
sense_codes.h scsi: move Additional Sense Codes to separate file 2016-04-11 16:57:09 -04:00
ses.c scsi: ses: Fix SAS device detection in enclosure 2017-01-17 13:58:57 -05:00
sg.c mm, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf 2017-02-24 17:46:54 -08:00
sgiwd93.c scsi: remove incorrect __exit markups 2017-03-15 19:27:46 -04:00
sim710.c scsi: sim710: fix build warning 2016-02-23 21:27:02 -05:00
sni_53c710.c scsi: remove incorrect __exit markups 2017-03-15 19:27:46 -04:00
sr.c Merge branch 'for-4.11/next' into for-4.11/linus-merge 2017-02-17 14:08:19 -07:00
sr.h scsi: introduce sdev_prefix_printk() 2014-11-12 11:15:57 +01:00
sr_ioctl.c scsi: merge __scsi_execute into scsi_execute 2017-02-23 16:57:19 -05:00
sr_vendor.c scsi: Implement sr_printk() 2014-07-17 22:07:39 +02:00
st.c sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
st.h st: Remove obsolete scsi_tape.max_pfn 2015-11-18 11:59:09 -05:00
st_options.h
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stex.c scsi: stex: Add S6 support 2017-03-15 19:22:10 -04:00
storvsc_drv.c scripts/spelling.txt: add "intialization" pattern and fix typo instances 2017-02-27 18:43:47 -08:00
sun3_scsi.c SCSI misc on 20170220 2017-02-21 11:51:42 -08:00
sun3_scsi_vme.c scsi/NCR5380: merge sun3_scsi_vme.c into sun3_scsi.c 2014-05-28 12:16:28 +02:00
sun3x_esp.c arch, drivers: don't include <asm/io.h> directly, use <linux/io.h> instead 2015-08-10 23:07:05 -04:00
sun_esp.c scsi: drop owner assignment from platform_drivers 2014-10-20 16:21:33 +02:00
sym53c416.c scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
sym53c416.h
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virtio_scsi.c virtio_scsi: use virtio IRQ affinity 2017-02-27 20:54:06 +02:00
vmw_pvscsi.c scsi: vmw_pvscsi: switch to pci_alloc_irq_vectors 2017-01-11 22:31:03 -05:00
vmw_pvscsi.h scsi: vmw_pvscsi: switch to pci_alloc_irq_vectors 2017-01-11 22:31:03 -05:00
wd33c93.c scsi: print single-character strings with seq_putc 2015-02-02 09:57:46 -08:00
wd33c93.h
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wd719x.c drivers/scsi/wd719x.c: remove last declaration using DEFINE_PCI_DEVICE_TABLE 2016-09-01 17:52:01 -07:00
wd719x.h scsi: Do not set cmd_per_lun to 1 in the host template 2015-05-31 18:06:28 -07:00
xen-scsifront.c xen/scsifront: don't request a slot on the ring until request is ready 2016-12-09 10:59:13 +01:00
zalon.c scsi: remove incorrect __exit markups 2017-03-15 19:27:46 -04:00
zorro7xx.c zorro: ZTWO_VADDR() should return "void __iomem *" 2013-11-26 11:09:07 +01:00