- 29 Mar, 2020 9 commits
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David Disseldorp authored
The DISK BLOCK LENGTH field is carried with XCOPY target descriptors on the wire, but is currently unmarshalled during 0x02 segment descriptor passing. The unmarshalled value is currently unused, so drop it. Link: https://lore.kernel.org/r/20200327141954.955-3-ddiss@suse.deReviewed-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
David Disseldorp <ddiss@suse.de> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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David Disseldorp authored
Link: https://lore.kernel.org/r/20200327141954.955-2-ddiss@suse.deReviewed-by:
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Stanley Chu authored
Once fail happens during suspend and resume flow if the desired low power link state is H8, link recovery is required for MediaTek UFS controller. For resume flow, since power and clocks are already enabled before invoking vendor's resume callback, simply using ufshcd_link_recovery() inside callback is fine. For suspend flow, the device power enters low power mode or is disabled before suspend callback, thus ufshcd_link_recovery() can not be directly used in vendor callback. One solution is to set the link to off state and then ufshcd_host_reset_and_restore() will be executed by ufshcd_suspend(). Link: https://lore.kernel.org/r/20200327095329.10083-3-stanley.chu@mediatek.comReviewed-by:
Avri Altman <avri.altman@wdc.com> Signed-off-by:
Stanley Chu <stanley.chu@mediatek.com> Signed-off-by:
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Stanley Chu authored
Export ufshcd_link_recovery to allow vendors to recover failed link in vendor's callbacks. Link: https://lore.kernel.org/r/20200327095329.10083-2-stanley.chu@mediatek.comReviewed-by:
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Subhash Jadavani authored
This change introduces a func ufshcd_set_clk_freq() to explicitly set clock frequency so that it can be used in reset_and_restore path and in ufshcd_scale_clks(). This change also cleans up the clock scaling error out path. [mkp: commit desc] Link: https://lore.kernel.org/r/1585214742-5466-2-git-send-email-cang@codeaurora.org Fixes: a3cd5ec5 ("scsi: ufs: add load based scaling of UFS gear") Reviewed-by:
Bean Huo <beanhuo@micron.com> Acked-by:
Subhash Jadavani <subhashj@codeaurora.org> Signed-off-by:
Can Guo <cang@codeaurora.org> Signed-off-by:
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James Smart authored
Update lpfc version to 12.8.0.0 Link: https://lore.kernel.org/r/20200322181304.37655-13-jsmart2021@gmail.comSigned-off-by:
James Smart <jsmart2021@gmail.com> Signed-off-by:
Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by:
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James Smart authored
During code review, identified dss feature that was a prototype only and was never productized in SLI3. They shouldn't be there and prevents reuse of the command areas. Remove any code in the driver to deal with dss, including code to deal with fips, which is associated with the dss feature. Link: https://lore.kernel.org/r/20200322181304.37655-12-jsmart2021@gmail.comSigned-off-by:
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James Smart authored
Currently driver ktime stats, measuring code paths, is NVME-specific. Convert the stats routines such that the code paths are generic, providing status for NVME and SCSI. Added ktime stat calls in SCSI queuecommand and cmpl routines. Link: https://lore.kernel.org/r/20200322181304.37655-11-jsmart2021@gmail.comSigned-off-by:
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James Smart authored
The cpu io statistics were capped by a hard define limit of 128. This effectively was a max number of CPUs, not an actual CPU count, nor actual CPU numbers which can be even larger than both of those values. This made stats off/misleading and on large CPU count systems, wrong. Fix the stats so that all CPUs can have a stats struct. Fix the looping such that it loops by hdwq, finds CPUs that used the hdwq, and sum the stats, then display. Link: https://lore.kernel.org/r/20200322181304.37655-9-jsmart2021@gmail.comSigned-off-by:
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- 27 Mar, 2020 31 commits
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James Smart authored
Kernel is crashing with the following stacktrace: BUG: unable to handle kernel NULL pointer dereference at 00000000000005bc IP: lpfc_nvme_register_port+0x1a8/0x3a0 [lpfc] ... Call Trace: lpfc_nlp_state_cleanup+0x2b2/0x500 [lpfc] lpfc_nlp_set_state+0xd7/0x1a0 [lpfc] lpfc_cmpl_prli_prli_issue+0x1f7/0x450 [lpfc] lpfc_disc_state_machine+0x7a/0x1e0 [lpfc] lpfc_cmpl_els_prli+0x16f/0x1e0 [lpfc] lpfc_sli_sp_handle_rspiocb+0x5b2/0x690 [lpfc] lpfc_sli_handle_slow_ring_event_s4+0x182/0x230 [lpfc] lpfc_do_work+0x87f/0x1570 [lpfc] kthread+0x10d/0x130 ret_from_fork+0x35/0x40 During target side fault injections, it is possible to hit the NLP_WAIT_FOR_UNREG case in lpfc_nvme_remoteport_delete. A prior commit fixed a rebind and delete race condition, but called lpfc_nlp_put unconditionally. This triggered a deletion and the crash. Fix by movng nlp_put to inside the NLP_WAIT_FOR_UNREG case, where the nlp will be being unregistered/removed. Leave the reference if the flag isn't set. Link: https://lore.kernel.org/r/20200322181304.37655-8-jsmart2021@gmail.com Fixes: b15bd3e6 ("scsi: lpfc: Fix nvme remoteport registration race conditions") Signed-off-by: -
James Smart authored
The lpfc_sli4_wq_release() routine iterates for each interim value when updating the wq consuemr index. This wastes cycles and possibly confuses things as thevalue itterates (and the modulo logic is being applied). There's no reason for this. Just set it to the value from the hw. Link: https://lore.kernel.org/r/20200322181304.37655-7-jsmart2021@gmail.comSigned-off-by:
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James Smart authored
Injecting EEH on a 32GB card is causing kernel oops The pci error handler is doing an IO flush and the offline code is also doing an IO flush. When the 1st flush is complete the hdwq is destroyed (freed), yet the second flush accesses the hdwq and crashes. Added a check in lpfc_sli4_fush_io_rings to check both the HBA_IOQ_FLUSH flag and the hdwq pointer to see if it is already set and not already freed. Link: https://lore.kernel.org/r/20200322181304.37655-6-jsmart2021@gmail.comSigned-off-by:
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James Smart authored
SCSI layer sends driver IOs with more s/g segments than driver can handle. This results in "Too many sg segments from dma_map_sg. Config 64, seg_cnt 219" error messages from the lpfc_scsi_prep_dma_buf_s3() routine. The was due to use the driver using individual templates for pport and vport, host reset enabled or not, nvme vs scsi, etc. In the end, there was a combination for a vport that didn't match the pport. Rather than enumerating more templates and more discretionary assignments, revert to a base template that is copied to a template specific to the pport/vport. Then, based on role, attributes and sli type, modify the fields that are different for that port. Added a log message to lpfc_create_port to validate values. Link: https://lore.kernel.org/r/20200322181304.37655-5-jsmart2021@gmail.comSigned-off-by:
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James Smart authored
In lpfc_nvmet_prep_fcp_wqe() the line "rsp->sg_cnt = 0" is modifying the transport's data structure. This may result in the transport believing the s/g list was already freed, thus may not unmap/free it properly. Lpfc driver should not modify the transport data structure. The zeroing of the sg_cnt is to avoid use of the transport's sgl in a subsequent loop where the driver builds the necessary requests for the adapter firmware to complete the IO. Change LLDD to use a local copy of the transport sg_cnt when building requests to be passed to the adapter fw. Link: https://lore.kernel.org/r/20200322181304.37655-4-jsmart2021@gmail.comSigned-off-by:
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James Smart authored
The following lockdep error was reported when unloading the lpfc driver: INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. ... Call Trace: dump_stack+0x96/0xe0 register_lock_class+0x8b8/0x8c0 ? lockdep_hardirqs_on+0x190/0x280 ? is_dynamic_key+0x150/0x150 ? wait_for_completion_interruptible+0x2a0/0x2a0 ? wake_up_q+0xd0/0xd0 __lock_acquire+0xda/0x21a0 ? register_lock_class+0x8c0/0x8c0 ? synchronize_rcu_expedited+0x500/0x500 ? __call_rcu+0x850/0x850 lock_acquire+0xf3/0x1f0 ? del_timer_sync+0x5/0xb0 del_timer_sync+0x3c/0xb0 ? del_timer_sync+0x5/0xb0 lpfc_pci_remove_one.cold.102+0x8b7/0x935 [lpfc] ... Unloading the driver resulted in a call to del_timer_sync for the cpuhp_poll_timer. However the call to setup the timer had never been made, so the timer structures used by lockdep checking were not initialized. Unconditionally call setup_timer for the cpuhp_poll_timer during driver initialization. Calls to start the timer remain "as needed". Link: https://lore.kernel.org/r/20200322181304.37655-3-jsmart2021@gmail.comSigned-off-by:
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James Smart authored
The following kasan bug was called out: BUG: KASAN: slab-out-of-bounds in lpfc_unreg_login+0x7c/0xc0 [lpfc] Read of size 2 at addr ffff889fc7c50a22 by task lpfc_worker_3/6676 ... Call Trace: dump_stack+0x96/0xe0 ? lpfc_unreg_login+0x7c/0xc0 [lpfc] print_address_description.constprop.6+0x1b/0x220 ? lpfc_unreg_login+0x7c/0xc0 [lpfc] ? lpfc_unreg_login+0x7c/0xc0 [lpfc] __kasan_report.cold.9+0x37/0x7c ? lpfc_unreg_login+0x7c/0xc0 [lpfc] kasan_report+0xe/0x20 lpfc_unreg_login+0x7c/0xc0 [lpfc] lpfc_sli_def_mbox_cmpl+0x334/0x430 [lpfc] ... When processing the completion of a "Reg Rpi" login mailbox command in lpfc_sli_def_mbox_cmpl, a call may be made to lpfc_unreg_login. The vpi is extracted from the completing mailbox context and passed as an input for the next. However, the vpi stored in the mailbox command context is an absolute vpi, which for SLI4 represents both base + offset. When used with a non-zero base component, (function id > 0) this results in an out-of-range access beyond the allocated phba->vpi_ids array. Fix by subtracting the function's base value to get an accurate vpi number. Link: https://lore.kernel.org/r/20200322181304.37655-2-jsmart2021@gmail.comSigned-off-by:
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Alex Dewar authored
The file aic79xx_core.c still contains some FreeBSD-specific code/macro guards, although cross-compatibility was in theory removed with commit cca6cb8a ("scsi: aic7xxx: Fix build using bare-metal toolchain"). Remove it. Link: https://lore.kernel.org/r/20200326193817.12568-1-alex.dewar@gmx.co.ukSigned-off-by:
Alex Dewar <alex.dewar@gmx.co.uk> Signed-off-by:
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Can Guo authored
We were setting bActiveICCLevel attribute for UFS device only once but the type of this attribute has changed from persistent to volatile since UFS device specification v2.1. This attribute is set to the default value after power cycle or hardware reset event. It isn't safe to rely on prefetched data (only used for bActiveICCLevel attribute now). Hence this change removes the code related to data prefetching and set this parameter on every attempt to probe the UFS device. Tested-by:
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Christoph Hellwig authored
dc395x_bios_param was only different from the default when the CONFIG_SCSI_DC395x_TRMS1040_TRADMAP symbol is true, but that symbol doesn't exist in the Kconfig system and thus can't be set. Link: https://lore.kernel.org/r/20200325105505.1028582-1-hch@lst.deSigned-off-by:
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Wu Bo authored
Fix an error count for active session if the total_cmds is invalid on the function iscsi_session_setup(). Decrement the number of active sessions before the funcion return. Link: https://lore.kernel.org/r/EDBAAA0BBBA2AC4E9C8B6B81DEEE1D6916A28542@DGGEML525-MBS.china.huawei.comReviewed-by:
Lee Duncan <lduncan@suuse.com> Signed-off-by:
Wu Bo <wubo40@huawei.com> Signed-off-by:
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Don Brace authored
Correct race condition where ioaccel is re-enabled before the raid_map is updated. For RAID_1, RAID_1ADM, and RAID 5/6 there is a BUG_ON called which is bad. - Change event thread to disable ioaccel only. Send all requests down the RAID path instead. - Have rescan thread handle offload_enable. - Since there is only one rescan allowed at a time, turning offload_enabled on/off should not be racy. Each handler queues up a rescan if one is already in progress. - For timing diagram, offload_enabled is initially off due to a change (transformation: splitmirror/remirror), ... otbe = offload_to_be_enabled oe = offload_enabled Time Event Rescan Completion Request Worker Worker Thread Thread ---- ------ ------ ---------- ------- T0 | | + UA | T1 | + rescan started | 0x3f | T2 + Event | | 0x0e | T3 + Ack msg | | | T4 | + if (!dev[i]->oe && | | T5 | | dev[i]->otbe) | | T6 | | get_raid_map | | T7 + otbe = 1 | | | T8 | | | | T9 | + oe = otbe | | T10 | | | + ioaccel request T11 * BUG_ON T0 - I/O completion with UA 0x3f 0x0e sets rescan flag. T1 - rescan worker thread starts a rescan. T2 - event comes in T3 - event thread starts and issues "Acknowledge" message ... T6 - rescan thread has bypassed code to reload new raid map. ... T7 - event thread runs and sets offload_to_be_enabled ... T9 - rescan thread turns on offload_enabled. T10- request comes in and goes down ioaccel path. T11- BUG_ON. - After the patch is applied, ioaccel_enabled can only be re-enabled in the re-scan thread. Link: https://lore.kernel.org/r/158472877894.14200.7077843399036368335.stgit@brunhildaReviewed-by:Scott Teel <scott.teel@microsemi.com> Reviewed-by:
Matt Perricone <matt.perricone@microsemi.com> Reviewed-by:
Scott Benesh <scott.benesh@microsemi.com> Signed-off-by:
Don Brace <don.brace@microsemi.com> Signed-off-by:
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Gustavo A. R. Silva authored
The current codebase makes use of the zero-length array language extension to the C90 standard, but the preferred mechanism to declare variable-length types such as these ones is a flexible array member[1][2], introduced in C99: struct foo { int stuff; struct boo array[]; }; By making use of the mechanism above, we will get a compiler warning in case the flexible array does not occur last in the structure, which will help us prevent some kind of undefined behavior bugs from being inadvertently introduced[3] to the codebase from now on. Also, notice that, dynamic memory allocations won't be affected by this change: "Flexible array members have incomplete type, and so the sizeof operator may not be applied. As a quirk of the original implementation of zero-length arrays, sizeof evaluates to zero."[1] This issue was found with the help of Coccinelle. [1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html [2] https://github.com/KSPP/linux/issues/21 [3] commit 76497732 ("cxgb3/l2t: Fix undefined behaviour") Link: https://lore.kernel.org/r/20200319222533.GA20577@embeddedor.comSigned-off-by:Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by:
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Manish Rangankar authored
Add PCI shutdown handler support for supporting wake-on-lan feature. Link: https://lore.kernel.org/r/20200319083811.19499-3-mrangankar@marvell.comSigned-off-by:
Manish Rangankar <mrangankar@marvell.com> Signed-off-by:
Nilesh Javali <njavali@marvell.com> Signed-off-by:
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Manish Rangankar authored
This patch adds the mfw error recovery process in the qedi driver. The process includes a partial/customized driver unload and load to reset context by preserving active iSCSI session kernel state. Link: https://lore.kernel.org/r/20200319083811.19499-2-mrangankar@marvell.comSigned-off-by:
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Can Guo authored
Block layer RPM is enabled for the genernal UFS SCSI devices when they are probed by their driver. However block layer RPM is not enabled for UFS well-known SCSI devices. As UFS SCSI devices have their corresponding BSG char devices, accessing a BSG char device via IOCTL may send requests to its corresponding SCSI device through its request queue. If BSG IOCTL sends a request to a well-known SCSI device when HBA is not runtime active, due to block layer RPM not being enabled for the well-known SCSI devices, the HBA, which is at the top of a SCSI device's parent chain, will not be resumed. This change enables block layer RPM for the well-known SCSI devices so that block layer can handle RPM for the well-known SCSI devices just like for the general SCSI devices. Reviewed-by:
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Asutosh Das authored
Override devfreq parameters for power-performance trade-off. Link: https://lore.kernel.org/r/b6875729b6072134985c9113a820cf60a2af22e7.1585160616.git.asutoshd@codeaurora.orgAcked-by:
Asutosh Das <asutoshd@codeaurora.org> Signed-off-by:
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Asutosh Das authored
Vendor drivers may have a need to update the polling interval and thresholds. Provide a vops for vendor drivers to use. Link: https://lore.kernel.org/r/acd79e00396cff855256adad47f615ccdbde85ac.1585160616.git.asutoshd@codeaurora.orgAcked-by:
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Asutosh Das authored
Currently, the frequency that devfreq provides the driver always leads the clocks to be scaled up. Hence, round the clock-rate to the nearest frequency before deciding to scale. Also update the devfreq statistics of current frequency. Link: https://lore.kernel.org/r/d0c6c22455811e9f0eda01f9bc70d1398b51b2bd.1585160616.git.asutoshd@codeaurora.orgAcked-by:
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Nitin Rawat authored
As a part of sysfs reading of descriptors/attributes/flags, query commands should only be executed when hba's power runtime status is active. To guarantee this, add pm_runtime_get/put_sync() to those paths where query commands are sent. Link: https://lore.kernel.org/r/f712a4f7bdb0ae32e0d83634731e7aaa1b3a6cdd.1585009663.git.asutoshd@codeaurora.orgReviewed-by:
Nitin Rawat <nitirawa@codeaurora.org> Signed-off-by:
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Stanley Chu authored
MediaTek platform and UFS controller can dynamically customize the delay for host enabling according to different scenarios. For example, if UniPro enters lower-power mode, such delay can be minimized, otherwise longer delay shall be expected. Link: https://lore.kernel.org/r/20200318104016.28049-8-stanley.chu@mediatek.comReviewed-by:
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Stanley Chu authored
Reduce the waiting period between each HCE (Host Controller Enable) polling from 5 ms to 1 ms. Also increase the maximum polling times to make "total polling time" roughly the same. This change could make HCE initialization faster to improve latency of ufshcd initialization, error recovery, and resume behaviors. Link: https://lore.kernel.org/r/20200318104016.28049-7-stanley.chu@mediatek.comReviewed-by:
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Stanley Chu authored
Currently a 1 ms delay is applied before polling CONTROLLER_ENABLE bit. This delay may not be required or can be changed in different controllers. Make the delay as a changeable value in struct ufs_hba to allow it customized by vendors. Link: https://lore.kernel.org/r/20200318104016.28049-6-stanley.chu@mediatek.comReviewed-by:
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Stanley Chu authored
A common delay function is introduced in UFS core driver, thus ufs-mediatek can use it instead of the private delay function. Link: https://lore.kernel.org/r/20200318104016.28049-5-stanley.chu@mediatek.comReviewed-by:
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Stanley Chu authored
Introduce a common delay function to provide flexible way for users to take choices of udelay and usleep_range into consideration according to the required delay time. Link: https://lore.kernel.org/r/20200318104016.28049-4-stanley.chu@mediatek.comReviewed-by:
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Stanley Chu authored
Use an enum to specify the host capabilities instead of #defines inside the structure definition. Link: https://lore.kernel.org/r/20200318104016.28049-3-stanley.chu@mediatek.comReviewed-by:
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Stanley Chu authored
In ufshcd_disable_tx_lcc(), if ufshcd_dme_get() or ufshcd_dme_peer_get() get fail, uninitialized variable "tx_lanes" may be used as unexpected lane ID for DME configuration. Fix this issue by initializing "tx_lanes". Link: https://lore.kernel.org/r/20200318104016.28049-2-stanley.chu@mediatek.comReviewed-by:
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Gabriel Krisman Bertazi authored
If an iSCSI connection happens to fail while the daemon isn't running (due to a crash or for another reason), the kernel failure report is not received. When the daemon restarts, there is insufficient kernel state in sysfs for it to know that this happened. open-iscsi tries to reopen every connection, but on different initiators, we'd like to know which connections have failed. There is session->state, but that has a different lifetime than an iSCSI connection, so it doesn't directly reflect the connection state. [mkp: typos] Link: https://lore.kernel.org/r/20200317233422.532961-1-krisman@collabora.com Cc: Khazhismel Kumykov <khazhy@google.com> Suggested-by:
Junho Ryu <jayr@google.com> Reviewed-by:
Lee Duncan <lduncan@suse.com> Signed-off-by:
Gabriel Krisman Bertazi <krisman@collabora.com> Signed-off-by:
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Viacheslav Dubeyko authored
Trace events target_sequencer_start and target_cmd_complete (include/trace/events/target.h) are ready to show NAA identifier, LUN ID, and many other important command details in the system log: TP_printk("%s -> LUN %03u %s data_length %6u CDB %s (TA:%s C:%02x)", However, it's still hard to identify command on the initiator and command on the target in the real life output of system log. For that purpose SCSI provides a command identifier or task tag (term used in previous standards). This patch adds tag ID in the system log's output: TP_printk("%s -> LUN %03u tag %#llx %s data_length %6u CDB %s (TA:%s C:%02x)", kworker/1:1-35 [001] .... 1392.989452: target_sequencer_start: naa.5001405ec1ba6364 -> LUN 001 tag 0x1 SERVICE_ACTION_IN_16 data_length 32 CDB 9e 10 00 00 00 00 00 00 00 00 00 00 00 20 00 00 (TA:SIMPLE C:00) kworker/1:1-35 [001] .... 1392.989456: target_cmd_complete: naa.5001405ec1ba6364 <- LUN 001 tag 0x1 status GOOD (sense len 0) SERVICE_ACTION_IN_16 data_length 32 CDB 9e 10 00 00 00 00 00 00 00 00 00 00 00 20 00 00 (TA:SIMPLE C:00) Link: https://lore.kernel.org/r/226e01deaa9baf46d6ff3b8698bc9fe881f7dfc1.camel@dubeyko.comReviewed-by:Roman Bolshakov <r.bolshakov@yadro.com> Reviewed-by:
Konstantin Shelekhin <k.shelekhin@yadro.com> Reviewed-by:
Bart van Assche <bvanassche@acm.org> Signed-off-by:
Viacheslav Dubeyko <v.dubeiko@yadro.com> Signed-off-by:
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Maurizio Lombardi authored
iscsit_close_session() can only be called when nconn is zero (otherwise a kernel panic is triggered). If nconn is zero then iscsit_stop_session() does nothing and exits, so calling it makes no sense. We still need to call iscsit_check_session_usage_count() because this function will sleep if the session's refcount is not zero and we don't want to destroy the session structure if it's still being referenced. Link: https://lore.kernel.org/r/20200313170656.9716-4-mlombard@redhat.comTested-by:
Rahul Kundu <rahul.kundu@chelsio.com> Signed-off-by:
Maurizio Lombardi <mlombard@redhat.com> Signed-off-by:
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Maurizio Lombardi authored
A number of hangs have been reported against the target driver; they are due to the fact that multiple threads may try to destroy the iscsi session at the same time. This may be reproduced for example when a "targetcli iscsi/iqn.../tpg1 disable" command is executed while a logout operation is underway. When this happens, two or more threads may end up sleeping and waiting for iscsit_close_connection() to execute "complete(session_wait_comp)". Only one of the threads will wake up and proceed to destroy the session structure, the remaining threads will hang forever. Note that if the blocked threads are somehow forced to wake up with complete_all(), they will try to free the same iscsi session structure destroyed by the first thread, causing double frees, memory corruptions etc... With this patch, the threads that want to destroy the iscsi session will increase the session refcount and will set the "session_close" flag to 1; then they wait for the driver to close the remaining active connections. When the last connection is closed, iscsit_close_connection() will wake up all the threads and will wait for the session's refcount to reach zero; when this happens, iscsit_close_connection() will destroy the session structure because no one is referencing it anymore. INFO: task targetcli:5971 blocked for more than 120 seconds. Tainted: P OE 4.15.0-72-generic #81~16.04.1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. targetcli D 0 5971 1 0x00000080 Call Trace: __schedule+0x3d6/0x8b0 ? vprintk_func+0x44/0xe0 schedule+0x36/0x80 schedule_timeout+0x1db/0x370 ? __dynamic_pr_debug+0x8a/0xb0 wait_for_completion+0xb4/0x140 ? wake_up_q+0x70/0x70 iscsit_free_session+0x13d/0x1a0 [iscsi_target_mod] iscsit_release_sessions_for_tpg+0x16b/0x1e0 [iscsi_target_mod] iscsit_tpg_disable_portal_group+0xca/0x1c0 [iscsi_target_mod] lio_target_tpg_enable_store+0x66/0xe0 [iscsi_target_mod] configfs_write_file+0xb9/0x120 __vfs_write+0x1b/0x40 vfs_write+0xb8/0x1b0 SyS_write+0x5c/0xe0 do_syscall_64+0x73/0x130 entry_SYSCALL_64_after_hwframe+0x3d/0xa2 Link: https://lore.kernel.org/r/20200313170656.9716-3-mlombard@redhat.comReported-by:Matt Coleman <mcoleman@datto.com> Tested-by:
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