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2022-09-15scsi: ibmvscsi_tgt: Fix repeated words in commentwangjianli1-1/+1
Delete the redundant word 'to'. Link: https://lore.kernel.org/r/20220908130910.35680-1-wangjianli@cdjrlc.com Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Signed-off-by: wangjianli <wangjianli@cdjrlc.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-03-29scsi: ibmvscsis: Increase INITIAL_SRP_LIMIT to 1024Tyrel Datwyler1-1/+1
The adapter request_limit is hardcoded to be INITIAL_SRP_LIMIT which is currently an arbitrary value of 800. Increase this value to 1024 which better matches the characteristics of the typical IBMi Initiator that supports 32 LUNs and a queue depth of 32. This change also has the secondary benefit of being a power of two as required by the kfifo API. Since, Commit ab9bb6318b09 ("Partially revert "kfifo: fix kfifo_alloc() and kfifo_init()"") the size of IU pool for each target has been rounded down to 512 when attempting to kfifo_init() those pools with the current request_limit size of 800. Link: https://lore.kernel.org/r/20220322194443.678433-1-tyreld@linux.ibm.com Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-02-11scsi: ibmvscsis: Silence -Warray-bounds warningKees Cook1-6/+3
Instead of doing a cast to storage that is too small, add a union for the high 64 bits. Silences the warnings under -Warray-bounds: drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c: In function 'ibmvscsis_send_messages': drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:1934:44: error: array subscript 'struct viosrp_crq[0]' is partly outside array bounds of 'u64[1]' {aka 'long long unsigned int[1]'} [-Werror=array-bounds] 1934 | crq->valid = VALID_CMD_RESP_EL; | ^~ drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:1875:13: note: while referencing 'msg_hi' 1875 | u64 msg_hi = 0; | ^~~~~~ There is no change to the resulting binary instructions. Link: https://lore.kernel.org/lkml/20220125142430.75c3160e@canb.auug.org.au Link: https://lore.kernel.org/r/20220208061231.3429486-1-keescook@chromium.org Cc: Michael Cyr <mikecyr@linux.ibm.com> Cc: "James E.J. Bottomley" <jejb@linux.ibm.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: Tyrel Datwyler <tyreld@linux.ibm.com> Cc: linux-scsi@vger.kernel.org Cc: target-devel@vger.kernel.org Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Reviewed-by: Tyrel Datwyler <tyreld@linux.ibm.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-10-04scsi: target: ibm_vscsi: Replace enable attr with ops.enableDmitry Bogdanov1-38/+4
Remove tpg/enable attribute. Add fabric ops enable_tpg implementation instead. Link: https://lore.kernel.org/r/20210910084133.17956-7-d.bogdanov@yadro.com Reviewed-by: Roman Bolshakov <r.bolshakov@yadro.com> Reviewed-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Dmitry Bogdanov <d.bogdanov@yadro.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-06-10scsi/ibmvscsi: Directly include linux/{of.h,irqdomain.h}Marc Zyngier1-0/+1
A couple of ibmvscsi files are missing the inclusion of linux/of.h and linux/irqdomain.h, relying on transitive inclusion from another file. As we are about to break this dependency, make sure these dependencies are explicit. Signed-off-by: Marc Zyngier <maz@kernel.org>
2021-04-28Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds1-16/+7
Pull SCSI updates from James Bottomley: "This consists of the usual driver updates (ufs, target, tcmu, smartpqi, lpfc, zfcp, qla2xxx, mpt3sas, pm80xx). The major core change is using a sbitmap instead of an atomic for queue tracking" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (412 commits) scsi: target: tcm_fc: Fix a kernel-doc header scsi: target: Shorten ALUA error messages scsi: target: Fix two format specifiers scsi: target: Compare explicitly with SAM_STAT_GOOD scsi: sd: Introduce a new local variable in sd_check_events() scsi: dc395x: Open-code status_byte(u8) calls scsi: 53c700: Open-code status_byte(u8) calls scsi: smartpqi: Remove unused functions scsi: qla4xxx: Remove an unused function scsi: myrs: Remove unused functions scsi: myrb: Remove unused functions scsi: mpt3sas: Fix two kernel-doc headers scsi: fcoe: Suppress a compiler warning scsi: libfc: Fix a format specifier scsi: aacraid: Remove an unused function scsi: core: Introduce enum scsi_disposition scsi: core: Modify the scsi_send_eh_cmnd() return value for the SDEV_BLOCK case scsi: core: Rename scsi_softirq_done() into scsi_complete() scsi: core: Remove an incorrect comment scsi: core: Make the scsi_alloc_sgtables() documentation more accurate ...
2021-03-18scsi: ibmvscsi_tgt: Remove duplicate section 'NOTE'Lee Jones1-4/+4
Fixes the following W=1 kernel build warning(s): drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:136: warning: duplicate section name 'NOTE' Link: https://lore.kernel.org/r/20210317091230.2912389-36-lee.jones@linaro.org Cc: Michael Cyr <mikecyr@linux.ibm.com> Cc: "James E.J. Bottomley" <jejb@linux.ibm.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: Dave Boutcher <boutcher@us.ibm.com> Cc: Santiago Leon <santil@us.ibm.com> Cc: Linda Xie <lxie@us.ibm.com> Cc: FUJITA Tomonori <tomof@acm.org> Cc: "Nicholas A. Bellinger" <nab@kernel.org> Cc: "Bryant G. Ly" <bryantly@linux.vnet.ibm.com> Cc: linux-scsi@vger.kernel.org Cc: target-devel@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-03-04scsi: target: ibmvscsi_tgt: Convert to new submission APIMike Christie1-12/+3
target_submit_cmd() is now only for simple drivers that do their own sync during shutdown and do not use target_stop_session(). It will never return a failure, so we can remove that code from the driver. Link: https://lore.kernel.org/r/20210227170006.5077-7-michael.christie@oracle.com Cc: Michael Cyr <mikecyr@linux.ibm.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-03-02vio: make remove callback return voidUwe Kleine-König1-3/+1
The driver core ignores the return value of struct bus_type::remove() because there is only little that can be done. To simplify the quest to make this function return void, let struct vio_driver::remove() return void, too. All users already unconditionally return 0, this commit makes it obvious that returning an error code is a bad idea. Note there are two nominally different implementations for a vio bus: one in arch/sparc/kernel/vio.c and the other in arch/powerpc/platforms/pseries/vio.c. This patch only adapts the powerpc one. Before this patch for a device that was bound to a driver without a remove callback vio_cmo_bus_remove(viodev) wasn't called. As the device core still considers the device unbound after vio_bus_remove() returns calling this unconditionally is the consistent behaviour which is implemented here. Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org> Reviewed-by: Tyrel Datwyler <tyreld@linux.ibm.com> Acked-by: Lijun Pan <ljp@linux.ibm.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> [mpe: Drop unneeded hvcs_remove() forward declaration, squash in change from sfr to drop ibmvnic_remove() forward declaration] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210225221834.160083-1-uwe@kleine-koenig.org
2020-08-23treewide: Use fallthrough pseudo-keywordGustavo A. R. Silva1-3/+3
Replace the existing /* fall through */ comments and its variants with the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary fall-through markings when it is the case. [1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2019-12-19scsi: ibmvscsi_tgt: remove set but not used variables 'iue' and 'sd'Chen Zhou1-5/+0
Fixes gcc '-Wunused-but-set-variable' warning: drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c: In function ibmvscsis_send_messages: drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:1888:19: warning: variable iue set but not used [-Wunused-but-set-variable] drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c: In function ibmvscsis_queue_data_in: drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:3806:8: warning: variable sd set but not used [-Wunused-but-set-variable] Link: https://lore.kernel.org/r/20191213064042.161840-1-chenzhou10@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Chen Zhou <chenzhou10@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-11-21scsi: ibmvscsi_tgt: Remove unneeded variable rcSaurav Girepunje1-2/+1
Variable rc is not modified in ibmvscsis_srp_i_logout function. So remove unneeded variable rc. Issue found using coccicheck tool. Link: https://lore.kernel.org/r/20191101120407.GA9369@saurav Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com> Reviewed-by: Tyrel Datwyler <tyreld@linux.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-07-30scsi: ibmvscsi_tgt: Mark expected switch fall-throughsGustavo A. R. Silva1-0/+3
Mark switch cases where we are expecting to fall through. This patch fixes the following warnings (Building: powerpc allyesconfig): drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c: In function 'ibmvscsis_adapter_info': drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:1582:6: warning: this statement may fall through [-Wimplicit-fallthrough=] if (connection_broken(vscsi)) ^ drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:1584:2: note: here default: ^~~~~~~ drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c: In function 'ibmvscsis_ping_response': drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:2494:16: warning: this statement may fall through [-Wimplicit-fallthrough=] vscsi->flags |= CLIENT_FAILED; drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:2495:2: note: here case H_DROPPED: ^~~~ drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:2496:16: warning: this statement may fall through [-Wimplicit-fallthrough=] vscsi->flags |= RESPONSE_Q_DOWN; drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:2497:2: note: here case H_REMOTE_PARM: ^~~~ Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Reviewed-by: Kees Cook <keescook@chromium.org> Reviewed-by: Bryant G. Ly <bly@catalogicsoftware.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-05-30treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157Thomas Gleixner3-30/+3
Based on 3 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version [author] [graeme] [gregory] [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema] [hk] [hemahk]@[ti] [com] this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1105 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner1-0/+1
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-02-04scsi: target/core: Remove the write_pending_status() callback functionBart Van Assche1-6/+0
Due to the patch that makes TMF handling synchronous the write_pending_status() callback function is no longer called. Hence remove it. Acked-by: Felipe Balbi <balbi@ti.com> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Reviewed-by: Andy Grover <agrover@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Cc: Nicholas Bellinger <nab@linux-iscsi.org> Cc: Mike Christie <mchristi@redhat.com> Cc: Himanshu Madhani <himanshu.madhani@qlogic.com> Cc: Quinn Tran <quinn.tran@qlogic.com> Cc: Saurav Kashyap <saurav.kashyap@qlogic.com> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Juergen Gross <jgross@suse.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-28scsi: target: replace fabric_ops.name with fabric_aliasDavid Disseldorp1-1/+0
iscsi_target_mod is the only LIO fabric where fabric_ops.name differs from the fabric_ops.fabric_name string. fabric_ops.name is used when matching target/$fabric ConfigFS create paths, so rename it .fabric_alias and fallback to target/$fabric vs .fabric_name comparison if .fabric_alias isn't initialised. iscsi_target_mod is the only fabric module to set .fabric_alias . All other fabric modules rely on .fabric_name matching and can drop the duplicate string. Signed-off-by: David Disseldorp <ddiss@suse.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-28scsi: target: drop unnecessary get_fabric_name() accessor from fabric_opsDavid Disseldorp1-6/+1
All fabrics return a const string. In all cases *except* iSCSI the get_fabric_name() string matches fabric_ops.name. Both fabric_ops.get_fabric_name() and fabric_ops.name are user-facing, with the former being used for PR/ALUA state and the latter for ConfigFS (config/target/$name), so we unfortunately need to keep both strings around for now. Replace the useless .get_fabric_name() accessor function with a const string fabric_name member variable. Signed-off-by: David Disseldorp <ddiss@suse.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-10-25Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds1-1/+0
Pull SCSI updates from James Bottomley: "This is mostly updates of the usual drivers: UFS, esp_scsi, NCR5380, qla2xxx, lpfc, libsas, hisi_sas. In addition there's a set of mostly small updates to the target subsystem a set of conversions to the generic DMA API, which do have some potential for issues in the older drivers but we'll handle those as case by case fixes. A new myrs driver for the DAC960/mylex raid controllers to replace the block based DAC960 which is also being removed by Jens in this merge window. Plus the usual slew of trivial changes" [ "myrs" stands for "MYlex Raid Scsi". Obviously. Silly of me to even wonder. There's also a "myrb" driver, where the 'b' stands for 'block'. Truly, somebody has got mad naming skillz. - Linus ] * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (237 commits) scsi: myrs: Fix the processor absent message in processor_show() scsi: myrs: Fix a logical vs bitwise bug scsi: hisi_sas: Fix NULL pointer dereference scsi: myrs: fix build failure on 32 bit scsi: fnic: replace gross legacy tag hack with blk-mq hack scsi: mesh: switch to generic DMA API scsi: ips: switch to generic DMA API scsi: smartpqi: fully convert to the generic DMA API scsi: vmw_pscsi: switch to generic DMA API scsi: snic: switch to generic DMA API scsi: qla4xxx: fully convert to the generic DMA API scsi: qla2xxx: fully convert to the generic DMA API scsi: qla1280: switch to generic DMA API scsi: qedi: fully convert to the generic DMA API scsi: qedf: fully convert to the generic DMA API scsi: pm8001: switch to generic DMA API scsi: nsp32: switch to generic DMA API scsi: mvsas: fully convert to the generic DMA API scsi: mvumi: switch to generic DMA API scsi: mpt3sas: switch to generic DMA API ...
2018-10-17scsi: ibmvscsi_tgt: Remove target_wait_for_sess_cmd()Bryant G. Ly1-1/+0
There is currently a bug with the driver where there is never a call to target_sess_cmd_list_set_waiting(), it only called target_wait_for_sess_cmd(), which basically means that the sess_wait_list would always be empty. Thus, list_empty(&sess->sess_wait_list) = true, (eg: no se_cmd I/O is quiesced, because no se_cmd in sess_wait_list), since commit 712db3eb2c35 ("scsi: ibmvscsis: Properly deregister target sessions") in 4.9.y code. ibmvscsi_tgt does not remove the I_T Nexus when a VM is active so we can fix this issue by removing the call to target_wait_for_sess_cmd() altogether. Signed-off-by: Bryant G. Ly <bly@catalogicsoftware.com> Reviewed-by: Mike Christie <mchristi@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-09-17scsi: ibmvscsis: Ensure partition name is properly NUL terminatedLaura Abbott1-1/+1
While reviewing another part of the code, Kees noticed that the strncpy of the partition name might not always be NUL terminated. Switch to using strscpy which does this safely. Reported-by: Kees Cook <keescook@chromium.org> Signed-off-by: Laura Abbott <labbott@redhat.com> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-09-17scsi: ibmvscsis: Fix a stringop-overflow warningLaura Abbott1-2/+1
There's currently a warning about string overflow with strncat: drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c: In function 'ibmvscsis_probe': drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:3479:2: error: 'strncat' specified bound 64 equals destination size [-Werror=stringop-overflow=] strncat(vscsi->eye, vdev->name, MAX_EYE); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Switch to a single snprintf instead of a strcpy + strcat to handle this cleanly. Signed-off-by: Laura Abbott <labbott@redhat.com> Suggested-by: Kees Cook <keescook@chromium.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-08-02scsi: target: srp, vscsi, sbp, qla: use target_remove_sessionMike Christie1-2/+1
This converts the drivers that called transport_deregister_session_configfs and then immediately called transport_deregister_session to use target_remove_session. Signed-off-by: Mike Christie <mchristi@redhat.com> Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Chris Boot <bootc@bootc.net> Cc: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Cc: Michael Cyr <mikecyr@linux.vnet.ibm.com> Cc: <qla2xxx-upstream@qlogic.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-08-02scsi: target: rename target_alloc_sessionMike Christie1-1/+1
Rename target_alloc_session to target_setup_session to avoid confusion with the other transport session allocation function that only allocates the session and because the target_alloc_session does so much more. It allocates the session, sets up the nacl and registers the session. The next patch will then add a remove function to match the setup in this one, so it should make sense for all drivers, except iscsi, to just call those 2 functions to setup and remove a session. iscsi will continue to be the odd driver. Signed-off-by: Mike Christie <mchristi@redhat.com> Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Chris Boot <bootc@bootc.net> Cc: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Cc: Michael Cyr <mikecyr@linux.vnet.ibm.com> Cc: <qla2xxx-upstream@qlogic.com> Cc: Johannes Thumshirn <jth@kernel.org> Cc: Felipe Balbi <balbi@kernel.org> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Juergen Gross <jgross@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-07-02scsi: target: Remove second argument from fabric_make_tpg()Bart Van Assche1-1/+0
Since most target drivers do not use the second fabric_make_tpg() argument ("group") and since it is trivial to derive the group pointer from the wwn pointer, do not pass the group pointer to fabric_make_tpg(). Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Reviewed-by: Mike Christie <mchristi@redhat.com> Cc: Felipe Balbi <felipe.balbi@linux.intel.com> Cc: Hannes Reinecke <hare@suse.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-12-04scsi: ibmvscsis: add DRC indices to debug statementsBryant G. Ly1-150/+170
Where applicable, changes pr_debug, pr_info, pr_err, etc. calls to the dev_* versions. This adds the DRC index of the device to the corresponding trace statement. Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Signed-off-by: Brad Warrum <bwarrum@us.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-11-02License cleanup: add SPDX GPL-2.0 license identifier to files with no licenseGreg Kroah-Hartman1-0/+1
Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-10-02scsi: ibmvscsis: Fix write_pending failure pathBryant G. Ly1-1/+1
For write_pending if the queue is down or client failed then return -EIO so that LIO can properly process the completed command. Prior we returned 0 since LIO could not handle it properly. Now with commit fa7e25cf13a6 ("target: Fix unknown fabric callback queue-full errors") that patch addresses LIO's ability to handle things right. Signed-off-by: Bryant G. Ly <bgly@us.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-08-25scsi: ibmvfc: ibmvscsi: ibmvscsi_tgt: constify vio_device_idArvind Yadav1-1/+1
vio_device_id are not supposed to change at runtime. All functions working with vio_device_id provided by <asm/vio.h> work with const vio_device_id. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-07-13Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pendingLinus Torvalds3-16/+170
Pull SCSI target updates from Nicholas Bellinger: "It's been usually busy for summer, with most of the efforts centered around TCMU developments and various target-core + fabric driver bug fixing activities. Not particularly large in terms of LoC, but lots of smaller patches from many different folks. The highlights include: - ibmvscsis logical partition manager support (Michael Cyr + Bryant Ly) - Convert target/iblock WRITE_SAME to blkdev_issue_zeroout (hch + nab) - Add support for TMR percpu LUN reference counting (nab) - Fix a potential deadlock between EXTENDED_COPY and iscsi shutdown (Bart) - Fix COMPARE_AND_WRITE caw_sem leak during se_cmd quiesce (Jiang Yi) - Fix TMCU module removal (Xiubo Li) - Fix iser-target OOPs during login failure (Andrea Righi + Sagi) - Breakup target-core free_device backend driver callback (mnc) - Perform TCMU add/delete/reconfig synchronously (mnc) - Fix TCMU multiple UIO open/close sequences (mnc) - Fix TCMU CHECK_CONDITION sense handling (mnc) - Fix target-core SAM_STAT_BUSY + TASK_SET_FULL handling (mnc + nab) - Introduce TYPE_ZBC support in PSCSI (Damien Le Moal) - Fix possible TCMU memory leak + OOPs when recalculating cmd base size (Xiubo Li + Bryant Ly + Damien Le Moal + mnc) - Add login_keys_workaround attribute for non RFC initiators (Robert LeBlanc + Arun Easi + nab)" * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (68 commits) iscsi-target: Add login_keys_workaround attribute for non RFC initiators Revert "qla2xxx: Fix incorrect tcm_qla2xxx_free_cmd use during TMR ABORT" tcmu: clean up the code and with one small fix tcmu: Fix possbile memory leak / OOPs when recalculating cmd base size target: export lio pgr/alua support as device attr target: Fix return sense reason in target_scsi3_emulate_pr_out target: Fix cmd size for PR-OUT in passthrough_parse_cdb tcmu: Fix dev_config_store target: pscsi: Introduce TYPE_ZBC support target: Use macro for WRITE_VERIFY_32 operation codes target: fix SAM_STAT_BUSY/TASK_SET_FULL handling target: remove transport_complete pscsi: finish cmd processing from pscsi_req_done tcmu: fix sense handling during completion target: add helper to copy sense to se_cmd buffer target: do not require a transport_complete for SCF_TRANSPORT_TASK_SENSE target: make device_mutex and device_list static tcmu: Fix flushing cmd entry dcache page tcmu: fix multiple uio open/close sequences tcmu: drop configured check in destroy ...
2017-07-06ibmvscsis: Use tpgt passed in by userBryant G. Ly1-0/+8
ibmvscsis always returned 0 for the tpg/tag, since it did not parse the value passed in by the user. When functions like ALUA members exports the value, it will be incorrect because targetcli/rtslib starts the tpg numbering at 1. Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Signed-off-by: Mike Christie <mchristi@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-07-03Merge tag 'driver-core-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-coreLinus Torvalds1-5/+0
Pull driver core updates from Greg KH: "Here is the big driver core update for 4.13-rc1. The large majority of this is a lot of cleanup of old fields in the driver core structures and their remaining usages in random drivers. All of those fixes have been reviewed by the various subsystem maintainers. There's also some small firmware updates in here, a new kobject uevent api interface that makes userspace interaction easier, and a few other minor things. All of these have been in linux-next for a long while with no reported issues" * tag 'driver-core-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (56 commits) arm: mach-rpc: ecard: fix build error zram: convert remaining CLASS_ATTR() to CLASS_ATTR_RO() driver-core: remove struct bus_type.dev_attrs powerpc: vio_cmo: use dev_groups and not dev_attrs for bus_type powerpc: vio: use dev_groups and not dev_attrs for bus_type USB: usbip: convert to use DRIVER_ATTR_RW s390: drivers: convert to use DRIVER_ATTR_RO/WO platform: thinkpad_acpi: convert to use DRIVER_ATTR_RO/RW pcmcia: ds: convert to use DRIVER_ATTR_RO wireless: ipw2x00: convert to use DRIVER_ATTR_RW net: ehea: convert to use DRIVER_ATTR_RO net: caif: convert to use DRIVER_ATTR_RO TTY: hvc: convert to use DRIVER_ATTR_RW PCI: pci-driver: convert to use DRIVER_ATTR_WO IB: nes: convert to use DRIVER_ATTR_RW HID: hid-core: convert to use DRIVER_ATTR_RO and drv_groups arm: ecard: fix dev_groups patch typo tty: serdev: use dev_groups and not dev_attrs for bus_type sparc: vio: use dev_groups and not dev_attrs for bus_type hid: intel-ish-hid: use dev_groups and not dev_attrs for bus_type ...
2017-06-09scsi: ibmvscsi_tgt: remove use of class_attrsGreg Kroah-Hartman1-5/+0
The class_attrs pointer is going away and it's not even being used in this driver, so just remove it entirely. Acked-by: "Bryant G. Ly" <bryantly@linux.vnet.ibm.com> Cc: Michael Cyr <mikecyr@linux.vnet.ibm.com> Cc: "James E.J. Bottomley" <jejb@linux.vnet.ibm.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: <linux-scsi@vger.kernel.org> Cc: <target-devel@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-08ibmvscsis: Enable Logical Partition Migration SupportMichael Cyr3-16/+162
Changes to support a new mechanism from phyp to better synchronize the logical partition migration (LPM) of the client partition. This includes a new VIOCTL to register that we support this new functionality, and 2 new Transport Event types, and finally another new VIOCTL to let phyp know once we're ready for the Suspend. Signed-off-by: Michael Cyr <mikecyr@us.ibm.com> Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-05-15ibmvscsis: Fix the incorrect req_lim_deltaBryant G. Ly1-4/+20
The current code is not correctly calculating the req_lim_delta. We want to make sure vscsi->credit is always incremented when we do not send a response for the scsi op. Thus for the case where there is a successfully aborted task we need to make sure the vscsi->credit is incremented. v2 - Moves the original location of the vscsi->credit increment to a better spot. Since if we increment credit, the next command we send back will have increased req_lim_delta. But we probably shouldn't be doing that until the aborted cmd is actually released. Otherwise the client will think that it can send a new command, and we could find ourselves short of command elements. Not likely, but could happen. This patch depends on both: commit 25e78531268e ("ibmvscsis: Do not send aborted task response") commit 98883f1b5415 ("ibmvscsis: Clear left-over abort_cmd pointers") Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Reviewed-by: Michael Cyr <mikecyr@linux.vnet.ibm.com> Cc: <stable@vger.kernel.org> # v4.8+ Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-05-15ibmvscsis: Clear left-over abort_cmd pointersBryant G. Ly1-0/+3
With the addition of ibmvscsis->abort_cmd pointer within commit 25e78531268e ("ibmvscsis: Do not send aborted task response"), make sure to explicitly NULL these pointers when clearing DELAY_SEND flag. Do this for two cases, when getting the new new ibmvscsis descriptor in ibmvscsis_get_free_cmd() and before posting the response completion in ibmvscsis_send_messages(). Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Reviewed-by: Michael Cyr <mikecyr@linux.vnet.ibm.com> Cc: <stable@vger.kernel.org> # v4.8+ Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-05-05ibmvscsis: Do not send aborted task responseBryant G. Ly2-25/+91
The driver is sending a response to the actual scsi op that was aborted by an abort task TM, while LIO is sending a response to the abort task TM. ibmvscsis_tgt does not send the response to the client until release_cmd time. The reason for this was because if we did it at queue_status time, then the client would be free to reuse the tag for that command, but we're still using the tag until the command is released at release_cmd time, so we chose to delay sending the response until then. That then caused this issue, because release_cmd is always called, even if queue_status is not. SCSI spec says that the initiator that sends the abort task TM NEVER gets a response to the aborted op and with the current code it will send a response. Thus this fix will remove that response if the CMD_T_ABORTED && !CMD_T_TAS. Another case with a small timing window is the case where if LIO sends a TMR_DOES_NOT_EXIST, and the release_cmd callback is called for the TMR Abort cmd before the release_cmd for the (attemped) aborted cmd, then we need to ensure that we send the response for the (attempted) abort cmd to the client before we send the response for the TMR Abort cmd. Cc: <stable@vger.kernel.org> # v4.8+ Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Signed-off-by: Michael Cyr <mikecyr@linux.vnet.ibm.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-02-08ibmvscsis: Add SGL limitBryant G. Ly1-0/+1
This patch adds internal LIO sgl limit since the driver already sets a max transfer limit on transport layer of 1MB to the client. Cc: stable@vger.kernel.org Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com> Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-01-17ibmvscsis: Fix sleeping in interrupt contextBryant G. Ly1-2/+2
Currently, dma_alloc_coherent is being called with a GFP_KERNEL flag which allows it to sleep in an interrupt context, need to change to GFP_ATOMIC. Cc: stable@vger.kernel.org Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com> Reviewed-by: Michael Cyr <mikecyr@linux.vnet.ibm.com> Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
2017-01-17ibmvscsis: Fix max transfer lengthBryant G. Ly1-1/+2
Current code incorrectly calculates the max transfer length, since it is assuming a 4k page table, but ppc64 all run on 64k page tables. Cc: stable@vger.kernel.org Reported-by: Steven Royer <seroyer@linux.vnet.ibm.com> Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com> Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
2017-01-10ibmvscsis: Fix srp_transfer_data fail return codeBryant G. Ly1-1/+1
If srp_transfer_data fails within ibmvscsis_write_pending, then the most likely scenario is that the client timed out the op and removed the TCE mapping. Thus it will loop forever retrying the op that is pretty much guaranteed to fail forever. A better return code would be EIO instead of EAGAIN. Cc: stable@vger.kernel.org Reported-by: Steven Royer <seroyer@linux.vnet.ibm.com> Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com> Signed-off-by: Bryant G. Ly <bgly@us.ibm.com> Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
2016-12-25ktime: Cleanup ktime_set() usageThomas Gleixner1-1/+1
ktime_set(S,N) was required for the timespec storage type and is still useful for situations where a Seconds and Nanoseconds part of a time value needs to be converted. For anything where the Seconds argument is 0, this is pointless and can be replaced with a simple assignment. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org>
2016-12-21Merge branch 'scsi-target-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/bvanassche/linuxLinus Torvalds2-0/+2
Pull scsi target cleanups from Bart Van Assche: "The changes here are: - a few small bug fixes for the iSCSI and user space target drivers. - minimize the target build time by about 30% by rearranging #include directives - fix the second argument passed to percpu_ida_alloc() - reduce the number of false positive warnings reported by sparse These patches pass Wu Fengguang's build bot tests and also the linux-next tests" * 'scsi-target-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/bvanassche/linux: iscsi-target: Return error if unable to add network portal target: Fix spelling mistake and unwrap multi-line text target/iscsi: Fix double free in lio_target_tiqn_addtpg() target/user: Fix use-after-free of tcmu_cmds if they are expired target: Minimize #include directives target/user: Add an #include directive cxgbit: Add an #include directive ibmvscsi_tgt: Add two #include directives sbp-target: Add an #include directive qla2xxx: Add an #include directive configfs: Minimize #include directives usb: gadget: Fix second argument of percpu_ida_alloc() sbp-target: Fix second argument of percpu_ida_alloc() target/user: Fix a data type in tcmu_queue_cmd() target: Use NULL instead of 0 to represent a pointer
2016-12-09ibmvscsi_tgt: Add two #include directivesBryant G. Ly2-0/+2
Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
2016-11-08scsi: ibmvscsis: Issues from Dan Carpenter/SmatchMichael Cyr1-10/+3
Signed-off-by: Michael Cyr <mikecyr@us.ibm.com> Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: ibmvscsis: Return correct partition name/# to clientMichael Cyr1-1/+4
Signed-off-by: Michael Cyr <mikecyr@us.ibm.com> Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: ibmvscsis: Clean up properly if target_submit_cmd/tmr failsMichael Cyr1-0/+7
Signed-off-by: Michael Cyr <mikecyr@us.ibm.com> Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: ibmvscsis: Synchronize cmds at remove timeMichael Cyr2-5/+37
This patch adds code to disconnect from the client, which will make sure any outstanding commands have been completed, before continuing on with the remove operation. Signed-off-by: Michael Cyr <mikecyr@us.ibm.com> Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: ibmvscsis: Synchronize cmds at tpg_enable_store timeMichael Cyr2-188/+38
This patch changes the way the IBM vSCSI server driver manages its Command/Response Queue (CRQ). We used to register the CRQ with phyp at probe time. Now we wait until tpg_enable_store. Similarly, when tpg_enable_store is called to "disable" (i.e. the stored value is 0), we unregister the queue with phyp. One consquence to this is that we have no need for the PART_UP_WAIT_ENAB state, since we can't get an Init Message from the client in our CRQ if we're waiting to be enabled, since we haven't registered the queue yet. Signed-off-by: Michael Cyr <mikecyr@us.ibm.com> Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-11-08scsi: ibmvscsis: Rearrange functions for future patchesMichael Cyr1-328/+330
This patch reorders functions in a manner necessary for a follow-on patch. It also makes some minor styling changes (mostly removing extra spaces) and fixes some typos. There are no code changes in this patch, with one exception: due to the reordering of the functions, I needed to explicitly declare a function at the top of the file. However, this will be removed in the next patch, since the code requiring the predeclaration will be removed. Signed-off-by: Michael Cyr <mikecyr@us.ibm.com> Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>