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6df0e077d7
linux/drivers/scsi
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Niklas Cassel 6df0e077d7 scsi: core: Kick the requeue list after inserting when flushing 
When libata calls ata_link_abort() to abort all ata queued commands, it
calls blk_abort_request() on the SCSI command representing each QC.

This causes scsi_timeout() to be called, which calls scsi_eh_scmd_add() for
each SCSI command.

scsi_eh_scmd_add() sets the SCSI host to state recovery, and then adds the
command to shost->eh_cmd_q.

This will wake up the SCSI EH, and eventually the libata EH strategy
handler will be called, which calls scsi_eh_flush_done_q() to either flush
retry or flush finish each failed command.

The commands that are flush retried by scsi_eh_flush_done_q() are done so
using scsi_queue_insert().

Before commit 8b566edbdb ("scsi: core: Only kick the requeue list if
necessary"), __scsi_queue_insert() called blk_mq_requeue_request() with the
second argument set to true, indicating that it should always kick/run the
requeue list after inserting.

After commit 8b566edbdb ("scsi: core: Only kick the requeue list if
necessary"), __scsi_queue_insert() does not kick/run the requeue list after
inserting, if the current SCSI host state is recovery (which is the case in
the libata example above).

This optimization is probably fine in most cases, as I can only assume that
most often someone will eventually kick/run the queues.

However, that is not the case for scsi_eh_flush_done_q(), where we can see
that the request gets inserted to the requeue list, but the queue is never
started after the request has been inserted, leading to the block layer
waiting for the completion of command that never gets to run.

Since scsi_eh_flush_done_q() is called by SCSI EH context, the SCSI host
state is most likely always in recovery when this function is called.

Thus, let scsi_eh_flush_done_q() explicitly kick the requeue list after
inserting a flush retry command, so that scsi_eh_flush_done_q() keeps the
same behavior as before commit 8b566edbdb ("scsi: core: Only kick the
requeue list if necessary").

Simple reproducer for the libata example above:
$ hdparm -Y /dev/sda
$ echo 1 > /sys/class/scsi_device/0\:0\:0\:0/device/delete

Fixes: 8b566edbdb ("scsi: core: Only kick the requeue list if necessary")
Reported-by: Kevin Locke <kevin@kevinlocke.name>
Closes: https://lore.kernel.org/linux-scsi/ZZw3Th70wUUvCiCY@kevinlocke.name/
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Link: https://lore.kernel.org/r/20240111120533.3612509-1-cassel@kernel.org
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2024-01-11 21:37:43 -05:00
..
aacraid Merge branch '6.5/scsi-fixes' into 6.6/scsi-staging 2023-08-30 20:56:24 -04:00
aic7xxx scsi: aic7xxx: Return negative error codes in aic7770_probe() 2023-12-05 21:18:40 -05:00
aic94xx scsi: libsas: Delete sas_ata_task.retry_count 2023-08-21 17:50:59 -04:00
arcmsr scsi: arcmsr: Update driver version to v1.51.00.14-20230915 2023-11-24 21:23:36 -05:00
arm scsi: powertec: Declare SCSI host template const 2023-03-24 19:19:21 -04:00
be2iscsi scsi: be2iscsi: Add length check when parsing nlattrs 2023-07-25 21:49:32 -04:00
bfa scsi: bfa: Use the proper data type for BLIST flags 2023-11-24 19:23:39 -05:00
bnx2fc scsi: bnx2fc: Replace deprecated strncpy() with strscpy() 2023-11-15 09:01:10 -05:00
bnx2i scsi: bnx2i: Replace all non-returning strlcpy with strscpy 2023-05-26 13:52:19 -07:00
csiostor scsi: csiostor: Replace deprecated strncpy() with strscpy() 2023-11-15 09:05:46 -05:00
cxgbi scsi: cxgbi: Fix 'generated' typo 2023-10-13 14:15:54 -04:00
cxlflash Driver core changes for 6.4-rc1 2023-04-27 11:53:57 -07:00
device_handler scsi: rdac: Fix sshdr use 2023-10-13 16:36:20 -04:00
elx scsi: elx: libefc: Replace deprecated strncpy() with strscpy_pad()/memcpy() 2023-11-15 09:46:03 -05:00
esas2r scsi: esas2r: Use FIELD_GET() to extract PCIe capability fields 2023-09-13 21:01:59 -04:00
fcoe scsi: fcoe: Fix unsigned comparison with zero in store_ctlr_mode() 2024-01-11 21:26:26 -05:00
fnic scsi: fnic: unlock on error path in fnic_queuecommand() 2024-01-11 21:35:28 -05:00
hisi_sas scsi: hisi_sas: Correct the number of global debugfs registers 2023-12-13 23:24:55 -05:00
ibmvscsi scsi: ibmvscsi: Replace deprecated strncpy() with strscpy() 2023-12-05 21:01:52 -05:00
ibmvscsi_tgt scsi: target: Have drivers report if they support direct submissions 2023-10-13 15:53:57 -04:00
isci scsi: isci: Remove redundant check in isci_task_request_build() 2023-12-05 21:13:15 -05:00
libfc scsi: libfc: Map FC_TIMED_OUT to DID_TIME_OUT 2023-12-05 21:32:11 -05:00
libsas scsi: libsas: Declare sas_discover_end_dev() static 2023-09-13 21:06:44 -04:00
lpfc scsi: lpfc: Update lpfc version to 14.2.0.17 2023-12-13 22:17:57 -05:00
megaraid Merge patch series "megaraid_sas: Driver version update to 07.727.03.00-rc1" 2023-10-13 16:52:47 -04:00
mpi3mr scsi: mpi3mr: Fix mpi3mr_fw.c kernel-doc warnings 2024-01-03 23:12:24 -05:00
mpt3sas scsi: mpt3sas: Suppress a warning in debug kernel 2023-11-15 10:50:31 -05:00
mvsas scsi: libsas: Delete sas_ssp_task.task_prio 2023-08-21 17:50:58 -04:00
pcmcia scsi: Add HAS_IOPORT dependencies 2023-05-31 19:59:26 -04:00
pm8001 scsi: pm8001: Remove PM8001_READ_VPD 2023-09-21 21:39:47 -04:00
qedf Merge patch series "scsi: EH rework prep patches, part 1" 2023-10-13 14:25:20 -04:00
qedi Merge branch '6.5/scsi-fixes' into 6.6/scsi-staging 2023-08-30 20:56:24 -04:00
qla2xxx As usual, lots of singleton and doubleton patches all over the tree and 2023-11-02 20:53:31 -10:00
qla4xxx scsi: qla4xxx: Add length check when parsing nlattrs 2023-07-25 21:51:04 -04:00
smartpqi scsi: smartpqi: Bump driver version to 2.1.26-030 2024-01-03 23:09:59 -05:00
snic scsi: snic: Remove useless code in snic_dr_clean_pending_req() 2023-10-24 22:33:02 -04:00
sym53c8xx_2 scsi: sym53c8xx_2: Rework reset handling 2023-10-13 14:23:15 -04:00
.gitignore
3w-9xxx.c scsi: 3w-9xxx: Replace all non-returning strlcpy with strscpy 2023-05-26 13:52:19 -07:00
3w-9xxx.h
3w-sas.c scsi: 3w-sas: Replace deprecated strncpy() with strscpy() 2023-11-15 08:58:26 -05:00
3w-sas.h scsi: 3w-sas: Replace 1-element arrays with flexible array members 2023-01-12 00:09:52 -05:00
3w-xxxx.c scsi: 3w-xxxx: Add error handling for initialization failure in tw_probe() 2023-05-22 17:31:56 -04:00
3w-xxxx.h scsi: 3w-xxxx: Replace one-element array with flexible-array member 2022-09-25 13:06:00 -04:00
53c700_d.h_shipped
53c700.c scsi: 53c700: Check that command slot is not NULL 2023-07-31 14:38:17 -04:00
53c700.h
53c700.scr
a100u2w.c scsi: a100u2w: Declare SCSI host template const 2023-03-24 19:19:20 -04:00
a100u2w.h
a2091.c scsi: a2091: Declare SCSI host template const 2023-03-24 19:19:20 -04:00
a2091.h
a3000.c scsi: a3000: Convert to platform remove callback returning void 2023-12-05 21:51:36 -05:00
a3000.h
a4000t.c scsi: a4000t: Convert to platform remove callback returning void 2023-12-05 21:51:36 -05:00
advansys.c scsi: advansys: Declare SCSI host template const 2023-03-24 19:19:20 -04:00
aha152x.c scsi: aha152x: Declare SCSI host template const 2023-03-24 19:19:20 -04:00
aha152x.h
aha1542.c scsi: aha1542: Declare SCSI host template const 2023-03-24 19:19:21 -04:00
aha1542.h
aha1740.c scsi: aha1740: Declare SCSI host template const 2023-03-24 19:19:21 -04:00
aha1740.h
am53c974.c scsi: esp_scsi: Declare SCSI host template const 2023-03-24 19:19:22 -04:00
atari_scsi.c scsi: atari: Convert to platform remove callback returning void 2023-12-05 21:51:36 -05:00
atp870u.c scsi: atp870u: Declare SCSI host template const 2023-03-24 19:19:21 -04:00
atp870u.h
BusLogic.c scsi: BusLogic: Declare SCSI host template const 2023-03-24 19:19:20 -04:00
BusLogic.h
bvme6000_scsi.c scsi: bvme6000: Convert to platform remove callback returning void 2023-12-05 21:51:36 -05:00
ch.c scsi: ch: Replace deprecated strncpy() with strscpy() 2023-11-15 09:03:58 -05:00
constants.c
dc395x.c scsi: dc395x: Fix warning using plain integer as NULL 2023-11-24 21:08:23 -05:00
dc395x.h
dmx3191d.c scsi: dmx3191d: Declare SCSI host template const 2023-03-24 19:19:22 -04:00
esp_scsi.c scsi: esp_scsi: Declare SCSI host template const 2023-03-24 19:19:22 -04:00
esp_scsi.h scsi: esp_scsi: Declare SCSI host template const 2023-03-24 19:19:22 -04:00
fdomain_isa.c
fdomain_pci.c
fdomain.c scsi: fdomain: Declare SCSI host template const 2023-03-24 19:19:22 -04:00
fdomain.h
FlashPoint.c scsi: FlashPoint: Remove redundant variable bm_int_st 2022-08-01 19:52:03 -04:00
g_NCR5380.c scsi: NCR5380: Declare SCSI host template const 2023-03-24 19:19:22 -04:00
gvp11.c scsi: gvp11: Remove unused gvp11_setup() function 2023-08-21 16:37:11 -04:00
gvp11.h
hosts.c scsi: core: Use 32-bit hostnum in scsi_host_lookup() 2023-08-21 16:42:03 -04:00
hpsa_cmd.h
hpsa.c Merge patch series "Constify most SCSI host templates" 2023-03-24 20:13:03 -04:00
hpsa.h
hptiop.c overflow: Add struct_size_t() helper 2023-05-26 13:52:19 -07:00
hptiop.h scsi: hptiop: Replace one-element array with flexible-array member in struct hpt_iop_request_ioctl_command() 2022-09-25 13:04:17 -04:00
imm.c scsi: imm: Add a module parameter for the transfer mode 2023-09-13 21:11:55 -04:00
imm.h scsi: imm: Add a module parameter for the transfer mode 2023-09-13 21:11:55 -04:00
initio.c scsi: initio: Declare SCSI host template const 2023-03-24 19:19:56 -04:00
initio.h
ipr.c scsi: ipr: Remove obsolete check for old CPUs 2023-12-05 21:05:09 -05:00
ipr.h scsi: ipr: Remove SATA support 2023-04-18 23:01:23 -04:00
ips.c scsi: ips: Do not try to abort command from host reset 2023-10-13 14:23:15 -04:00
ips.h
iscsi_boot_sysfs.c
iscsi_tcp.c scsi: iscsi_tcp: restrict to TCP sockets 2023-09-17 17:46:13 +01:00
iscsi_tcp.h scsi: iscsi_tcp: Use sendmsg(MSG_SPLICE_PAGES) rather than sendpage 2023-06-24 15:50:13 -07:00
jazz_esp.c scsi: jazz_esp: Convert to platform remove callback returning void 2023-12-05 21:51:37 -05:00
Kconfig scsi: imm: Add a module parameter for the transfer mode 2023-09-13 21:11:55 -04:00
lasi700.c
libiscsi_tcp.c scsi: iscsi: Remove iscsi_get_task back_lock requirement 2022-06-21 21:19:23 -04:00
libiscsi.c scsi: iscsi: Declare SCSI host template const 2023-03-24 19:19:57 -04:00
mac53c94.c scsi: mac53c94: Declare SCSI host template const 2023-03-24 19:19:57 -04:00
mac53c94.h
mac_esp.c scsi: mac_esp: Convert to platform remove callback returning void 2023-12-05 21:51:37 -05:00
mac_scsi.c scsi: mac: Convert to platform remove callback returning void 2023-12-05 21:51:37 -05:00
Makefile scsi: dpt_i2o: Remove obsolete driver 2022-06-27 22:56:21 -04:00
megaraid.c scsi: megaraid: Fix up debug message in megaraid_abort_and_reset() 2023-10-24 22:40:39 -04:00
megaraid.h
mesh.c scsi: mesh: Declare SCSI host template const 2023-03-24 19:19:57 -04:00
mesh.h
mvme16x_scsi.c scsi: mvme16x: Convert to platform remove callback returning void 2023-12-05 21:51:37 -05:00
mvme147.c scsi: mvme147: Declare SCSI host template const 2023-03-24 19:19:57 -04:00
mvme147.h
mvumi.c scsi: core: Improve type safety of scsi_rescan_device() 2023-08-24 22:11:29 -04:00
mvumi.h scsi: mvumi: Replace 1-element arrays with flexible array members 2023-01-12 00:11:11 -05:00
myrb.c scsi: myrb: Declare SCSI host template const 2023-03-24 19:19:58 -04:00
myrb.h
myrs.c scsi: myrs: Declare SCSI host template const 2023-03-24 19:19:58 -04:00
myrs.h
ncr53c8xx.c scsi: ncr53c8xx: Replace strlcpy() with strscpy() 2023-06-21 21:13:00 -04:00
ncr53c8xx.h
NCR5380.c scsi: NCR5380: Use default @max_active for hostdata->work_q 2023-05-22 15:13:03 -10:00
NCR5380.h
nsp32_debug.c
nsp32_io.h
nsp32.c scsi: nsp32: Declare SCSI host template const 2023-03-24 19:19:58 -04:00
nsp32.h
pmcraid.c scsi: pmcraid: Add missing scsi_device_put() in pmcraid_eh_target_reset_handler() 2023-10-24 22:24:32 -04:00
pmcraid.h scsi: pmcraid: Remove the PMCRAID_PASSTHROUGH_IOCTL ioctl implementation 2022-03-29 23:32:26 -04:00
ppa.c scsi: ppa: Fix accidentally reversed conditions for 16-bit and 32-bit EPP 2023-09-05 05:26:49 -04:00
ppa.h scsi: ppa: Add a module parameter for the transfer mode 2023-08-21 16:32:40 -04:00
ps3rom.c scsi: ps3rom: Declare SCSI host template const 2023-03-24 19:19:58 -04:00
qla1280.c scsi: qla1280: Separate out host reset function from qla1280_error_action() 2023-10-13 14:23:15 -04:00
qla1280.h
qlogicfas408.c
qlogicfas408.h
qlogicfas.c
qlogicpti.c scsi: qlogicpti: Convert to platform remove callback returning void 2023-12-05 21:51:37 -05:00
qlogicpti.h
raid_class.c scsi: core: raid_class: Remove raid_component_add() 2023-08-24 21:34:28 -04:00
script_asm.pl
scsi_bsg.c scsi: replace the fmode_t argument to ->sg_io_fn with a simple bool 2023-06-12 08:04:04 -06:00
scsi_common.c scsi: core: Use min() instead of open-coding it 2023-05-31 11:05:34 -04:00
scsi_debug.c scsi: scsi_debug: Add param to control sdev's allow_restart 2023-10-16 20:50:12 -04:00
scsi_debugfs.c scsi: core: Report error list information in debugfs 2023-08-24 22:13:03 -04:00
scsi_debugfs.h
scsi_devinfo.c scsi: core: Add BLIST_SKIP_VPD_PAGES for SKhynix H28U74301AMR 2023-03-16 22:54:43 -04:00
scsi_dh.c
scsi_error.c scsi: core: Kick the requeue list after inserting when flushing 2024-01-11 21:37:43 -05:00
scsi_ioctl.c scsi: replace the fmode_t argument to scsi_ioctl with a simple bool 2023-06-12 08:04:04 -06:00
scsi_lib_dma.c
scsi_lib.c scsi: core: Clean up scsi_dev_queue_ready() 2023-10-24 22:31:04 -04:00
scsi_logging.c scsi: core: scsi_logging: Fix a BUG 2022-03-29 23:29:19 -04:00
scsi_logging.h
scsi_netlink.c
scsi_pm.c
scsi_priv.h scsi: core: Improve type safety of scsi_rescan_device() 2023-08-24 22:11:29 -04:00
scsi_proc.c scsi: core: Fix legacy /proc parsing buffer overflow 2023-07-31 15:39:39 -04:00
scsi_sas_internal.h
scsi_scan.c scsi: Do not rescan devices with a suspended queue 2023-10-10 14:42:22 +09:00
scsi_sysctl.c scsi: Remove now superfluous sentinel element from ctl_table array 2023-10-11 12:16:13 -07:00
scsi_sysfs.c scsi: core: Improve type safety of scsi_rescan_device() 2023-08-24 22:11:29 -04:00
scsi_trace.c
scsi_transport_api.h
scsi_transport_fc.c scsi: core: Replace scsi_target_block() with scsi_block_targets() 2023-06-16 12:19:59 -04:00
scsi_transport_iscsi.c scsi: iscsi: Add strlen() check in iscsi_if_set{_host}_param() 2023-07-25 21:48:13 -04:00
scsi_transport_sas.c scsi: core: Support retrieving sub-pages of mode pages 2023-05-22 17:05:19 -04:00
scsi_transport_spi.c scsi: spi: Fix sshdr use 2023-10-13 16:36:20 -04:00
scsi_transport_srp.c scsi: core: Replace scsi_target_block() with scsi_block_targets() 2023-06-16 12:19:59 -04:00
scsi.c SCSI misc on 20231102 2023-11-02 15:13:50 -10:00
scsicam.c scsicam: Fix use of page cache 2022-05-08 14:28:18 -04:00
sd_dif.c scsi: sd: Update DIX config every time sd_revalidate_disk() is called 2023-02-21 22:00:32 -05:00
sd_trace.h scsi: sd: sd_zbc: Trace zone append emulation 2022-12-01 03:13:55 +00:00
sd_zbc.c scsi: sd_zbc: Set zone limits before revalidating zones 2023-07-05 21:58:10 -04:00
sd.c SCSI misc on 20231102 2023-11-02 15:13:50 -10:00
sd.h scsi: sd: Do not issue commands to suspended disks on shutdown 2023-09-28 21:23:18 +09:00
sense_codes.h
ses.c Driver core changes for 6.4-rc1 2023-04-27 11:53:57 -07:00
sg.c scsi: Remove now superfluous sentinel element from ctl_table array 2023-10-11 12:16:13 -07:00
sgiwd93.c scsi: sgiwd93: Convert to platform remove callback returning void 2023-12-05 21:51:37 -05:00
sim710.c
sni_53c710.c scsi: sni_53c710: Convert to platform remove callback returning void 2023-12-05 21:51:37 -05:00
sr_ioctl.c scsi: sr: Convert to scsi_execute_cmd() 2023-01-13 21:34:09 -05:00
sr_vendor.c
sr.c scsi: sr: Fix sshdr use in sr_get_events 2023-10-13 16:36:20 -04:00
sr.h sr: implement ->free_disk to simplify refcounting 2022-03-08 19:40:01 -07:00
st_options.h
st.c scsi: st: Add third party poweron reset handling 2023-08-24 22:16:28 -04:00
st.h
stex.c scsi: stex: Fix gcc 13 warnings 2023-05-31 11:36:40 -04:00
storvsc_drv.c Merge branch '6.5/scsi-fixes' into 6.6/scsi-staging 2023-08-30 20:56:24 -04:00
sun3_scsi_vme.c
sun3_scsi.c scsi: sun3: Convert to platform remove callback returning void 2023-12-05 21:51:37 -05:00
sun3x_esp.c scsi: sun3x_esp: Convert to platform remove callback returning void 2023-12-05 21:51:37 -05:00
sun_esp.c scsi: sun_esp: Convert to platform remove callback returning void 2023-12-05 21:51:38 -05:00
virtio_scsi.c scsi: core: Improve type safety of scsi_rescan_device() 2023-08-24 22:11:29 -04:00
vmw_pvscsi.c scsi: vmw_pvscsi: No need to clear memory after a dma_alloc_coherent() call 2022-04-06 23:01:54 -04:00
vmw_pvscsi.h scsi: vmw_pvscsi: Expand vcpuHint to 16 bits 2022-06-07 21:30:56 -04:00
wd33c93.c scsi: wd33c93: Remove dead code related to the long-gone config WD33C93_PIO 2022-09-25 13:29:53 -04:00
wd33c93.h scsi: wd33c93: Remove dead code related to the long-gone config WD33C93_PIO 2022-09-25 13:29:53 -04:00
wd719x.c scsi: wd719x: Declare SCSI host template const 2023-03-24 19:19:59 -04:00
wd719x.h
xen-scsifront.c scsi: xen-scsifront: shost_priv() can never return NULL 2023-08-24 22:06:44 -04:00
zalon.c
zorro7xx.c scsi: zorro7xx: Fix a resource leak in zorro7xx_remove_one() 2022-03-30 00:05:42 -04:00
zorro_esp.c scsi: esp_scsi: Declare SCSI host template const 2023-03-24 19:19:22 -04:00