- Nov 29, 2018
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Nilesh Javali authored
The driver load on some systems failed with error, [0004:01:00.5]:[qedi_request_msix_irq:2524]:8: request_irq failed. Allocate the IRQs based on MSIX count obtained from qed module instead of number of queues. Signed-off-by:
Nilesh Javali <nilesh.javali@cavium.com> Reviewed-by:
Lee Duncan <lduncan@suse.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Nilesh Javali authored
Use QEDI_PAGE_SIZE for enablement of module on systems with 64K page size. Signed-off-by:
Nilesh Javali <nilesh.javali@cavium.com> Reviewed-by:
Lee Duncan <lduncan@suse.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Nilesh Javali authored
Fix trivial spelling mistake within macro definition. Signed-off-by:
Nilesh Javali <nilesh.javali@cavium.com> Reviewed-by:
Lee Duncan <lduncan@suse.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Nilesh Javali authored
Remove redundant macro definition. Signed-off-by:
Nilesh Javali <nilesh.javali@cavium.com> Reviewed-by:
Lee Duncan <lduncan@suse.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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David Disseldorp authored
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>
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David Disseldorp authored
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>
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David Disseldorp authored
On write, the pi_prot_format configfs attribute invokes the device format_prot() callback if present. Read dumps the contents of se_dev_attrib.pi_prot_format which is always zero. Make the configfs attribute write-only, and drop the always zero se_dev_attrib.pi_prot_format storage. 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>
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- Nov 22, 2018
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Sabyasachi Gupta authored
Replaced dma_alloc_coherent + memset with dma_zalloc_coherent. Signed-off-by:
Sabyasachi Gupta <sabyasachi.linux@gmail.com> Acked-by:
James Smart <james.smart@broadcom.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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YueHaibing authored
Fixes gcc '-Wunused-but-set-variable' warning: drivers/scsi/bnx2i/bnx2i_hwi.c: In function 'bnx2i_process_ofld_cmpl': drivers/scsi/bnx2i/bnx2i_hwi.c:2430:6: warning: variable 'cid_num' set but not used [-Wunused-but-set-variable] It never used since commit cf4e6363 ("[SCSI] bnx2i: Add bnx2i iSCSI driver.") Signed-off-by:
YueHaibing <yuehaibing@huawei.com> Acked-by:
Nilesh Javali <nilesh.javali@cavium.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Christoph Hellwig authored
aha1542 is one of the last users of the legacy isa_*_to_bus APIs, which also isn't portable enough. Convert it to the proper DMA mapping API. Thanks to Ondrej Zary for testing and finding and fixing a crucial bug. Signed-off-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Shivasharan S authored
This patch adds support for MegaRAID Aero controller PCI IDs. Print a message when a configurable secure type controller is encountered. Signed-off-by:
Shivasharan S <shivasharan.srikanteshwara@broadcom.com> Reviewed-by:
Hannes Reinecke <hare@suse.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Sreekanth Reddy authored
Display following warning message only upon detection of configurable secure type controllers. "HBA is in Configurable Secure mode" [mkp: typos] Signed-off-by:
Sreekanth Reddy <sreekanth.reddy@broadcom.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Yue Haibing authored
Fixes gcc '-Wunused-but-set-variable' warning: drivers/scsi/libfc/fc_rport.c: In function 'fc_rport_recv_flogi_req': drivers/scsi/libfc/fc_rport.c:866:18: warning: variable 'disc' set but not used [-Wunused-but-set-variable] It no used any more after commit baa6719f ("libfc: Update rport reference counting") Signed-off-by:
Yue Haibing <yuehaibing@huawei.com> Reviewed-by:
Johannes Thumshirn <jth@kernel.org> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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David Disseldorp authored
The new emulate_pr backstore attribute allows for Persistent Reservation and SCSI2 RESERVE/RELEASE support to be completely disabled. This can be useful for scenarios such as: - Ensuring ATS (Compare & Write) usage on recent VMware ESXi initiators. - Allowing clustered (e.g. tcm-user) backends to block such requests, avoiding the multi-node reservation state propagation. When explicitly disabled, PR and RESERVE/RELEASE requests receive Invalid Command Operation Code response sense data. Signed-off-by:
David Disseldorp <ddiss@suse.de> Reviewed-by:
Mike Christie <mchristi@redhat.com> Reviewed-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Arnd Bergmann authored
I fixed a bug by adding a dependency in the network driver, but that fix caused a related bug in the SCSI driver: WARNING: unmet direct dependencies detected for CHELSIO_T4 Depends on [m]: NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_CHELSIO [=y] && PCI [=y] && (IPV6 [=y] || IPV6 [=y]=n) && (THERMAL [=m] || !THERMAL [=m]) Selected by [y]: - SCSI_CXGB4_ISCSI [=y] && SCSI_LOWLEVEL [=y] && SCSI [=y] && PCI [=y] && INET [=y] && (IPV6 [=y] || IPV6 [=y]=n) drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.o: In function `cxgb4_thermal_init': cxgb4_thermal.c:(.text+0x158): undefined reference to `thermal_zone_device_register' drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.o: In function `cxgb4_thermal_remove': cxgb4_thermal.c:(.text+0x1d8): undefined reference to `thermal_zone_device_unregister' /git/arm-soc/Makefile:1042: recipe for target 'vmlinux' failed The same dependency needs to be propagated here to make it work correctly with CONFIG_THERMAL=m and SCSI_CXGB4_ISCSI=y. That change by itself causes another problem with a circular dependency, as we use 'select NETDEVICES'. This is something we really should not do anyway, as a driver symbol should never select another major subsystem, so let's turn that into a 'depends on'. I don't see any downsides of that, as NETDEVICES is only disabled in rather obscure cases that are not relevant to the users of cxgb4i. Fixes: e70a57fa ("cxgb4: fix thermal configuration dependencies") Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Souptick Joarder authored
Replaced dma_pool_alloc + memset with dma_pool_zalloc. Signed-off-by:
Brajeswar Ghosh <brajeswar.linux@gmail.com> Signed-off-by:
Souptick Joarder <jrdr.linux@gmail.com> Reviewed-by:
Kees Cook <keescook@chromium.org> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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- Nov 16, 2018
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Steffen Maier authored
This was introduced with v2.6.27 commit 287ac01a ("[SCSI] zfcp: Cleanup code in zfcp_erp.c") but would now suppress helpful -Wswitch compiler warnings when building with W=1 such as the following forced example: drivers/s390/scsi/zfcp_erp.c: In function 'zfcp_erp_setup_act': drivers/s390/scsi/zfcp_erp.c:220:2: warning: enumeration value 'ZFCP_ERP_ACTION_REOPEN_PORT' not handled in switch [-Wswitch] switch (need) { ^~~~~~ But then again, only with W=1 we would notice unhandled enum cases. Without the default cases and a missed unhandled enum case, the code might perform unforeseen things we might not want... As of today, we never run through the removed default case, so removing it is no functional change. In the future, we never should run through a default case but introduce the necessary specific case(s) to handle new functionality. Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
This was introduced with v4.18 commit 8c3d20aa ("scsi: zfcp: fix missing REC trigger trace for all objects in ERP_FAILED") but would now suppress helpful -Wswitch compiler warnings when building with W=1 such as the following forced example: drivers/s390/scsi/zfcp_erp.c: In function 'zfcp_erp_handle_failed': drivers/s390/scsi/zfcp_erp.c:126:2: warning: enumeration value 'ZFCP_ERP_ACTION_REOPEN_PORT_FORCED' not handled in switch [-Wswitch] switch (want) { ^~~~~~ But then again, only with W=1 we would notice unhandled enum cases. Without the default cases and a missed unhandled enum case, the code might perform unforeseen things we might not want... As of today, we never run through the removed default case, so removing it is no functional change. In the future, we never should run through a default case but introduce the necessary specific case(s) to handle new functionality. Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
For some reason the already existing substring "fall through" in the comment is not sufficient for GCC to silence -Wimplicit-fallthrough. CC [M] drivers/s390/scsi/zfcp_erp.o drivers/s390/scsi/zfcp_erp.c: In function 'zfcp_erp_lun_strategy': drivers/s390/scsi/zfcp_erp.c:1065:6: warning: this statement may fall through [-Wimplicit-fallthrough=] if (atomic_read(&zfcp_sdev->status) & ZFCP_STATUS_COMMON_OPEN) ^ drivers/s390/scsi/zfcp_erp.c:1068:2: note: here case ZFCP_ERP_STEP_LUN_CLOSING: ^~~~ Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
Improve whatever the following simple invocation reported: $ ./scripts/kernel-doc -none drivers/s390/scsi/*.h While at it, improve some related kdoc, including struct zfcp_fsf_ct_els in zfcp_fsf.h. Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
While at it also improve some copy & paste kdoc mistakes. Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
zfcp: <devbusid>: LUN 0x0 on port 0x5005076......... ... zfcp: <devbusid>: LUN 0x1000000000000 on port 0x5005076......... ... should be zfcp: <devbusid>: LUN 0x0000000000000000 on port 0x5005076......... ... zfcp: <devbusid>: LUN 0x0001000000000000 on port 0x5005076......... is already in use by CSS., MIF Image ID . Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
With that instead of just "int" it becomes clear which functions return this type and which ones also accept it as argument they just pass through in some cases or modify in other cases. v2.6.27 commit 287ac01a ("[SCSI] zfcp: Cleanup code in zfcp_erp.c") introduced the enum which was cpp defines previously. Silence some false -Wswitch compiler warning cases with individual NOP cases. When adding more enum values and building with W=1 we would get compiler warnings about missed new cases. Consistently use the variable name "result", so change "retval" in zfcp_erp_strategy() to "result". This avoids confusion with other compile unit variables "retval" having different semantics and type. Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
Use the already defined enum for this purpose to get at least some build checking (even though an enum is type equivalent to an int in C). v2.6.27 commit 287ac01a ("[SCSI] zfcp: Cleanup code in zfcp_erp.c") introduced the enum which was cpp defines previously. Since struct zfcp_erp_action type is embedded into other structures living in zfcp_def.h, we have to move enum zfcp_erp_act_type from its private definition in zfcp_erp.c to the zfcp-global zfcp_def.h Silence some false -Wswitch compiler warning cases with individual NOP cases. When adding more enum values and building with W=1 we would get compiler warnings about missed new cases. Add missing break statements in some of the above switch cases. No functional change, but making it future-proof. I think all of these should have had a break statement ever since, even if these switch cases happened to be the last ones in the switch statement body. "Fall through" in the context of switch case usually means not to have a break and fall through to the subsequent switch case. However, I think this old comment meant that here we do not have an _early return_ in the switch case but the code path continues after the switch case body. Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
&zfcp_erp_action.action ==> &zfcp_erp_action.type While at it, make use of the already defined enum for this purpose to get at least some build checking (even though an enum is type equivalent to an int in C). v2.6.27 commit 287ac01a ("[SCSI] zfcp: Cleanup code in zfcp_erp.c") introduced the enum which was cpp defines previously. To prevent compiler warnings with the switch(act->type), we have to separate the recently added eyecatchers from enum zfcp_erp_act_type. Since struct zfcp_erp_action type is embedded into other structures living in zfcp_def.h, we have to move enum zfcp_erp_act_type from its private definition in zfcp_erp.c to the zfcp-global zfcp_def.h. Silence one false -Wswitch compiler warning case: LUNs as the leaves in our object tree do not have any follow-up success recovery. Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
v2.6.30 commit 5ffd51a5 ("[SCSI] zfcp: replace current ERP logging with a more convenient version") changed trace record distinguishing from a numerical ID to a 7 character string called "trace tag". While starting to use function arguments with different type and semantics, it did not change the argument name accordingly. v2.6.38 commit ae0904f6 ("[SCSI] zfcp: Redesign of the debug tracing for recovery actions.") renamed variable names "id" into "tag" but only within zfcp_dbf.*, not within zfcp_erp.c. This was a bit confusing since the remainder of zfcp does use the term "trace tag". Also "id" is quite generic and it's not obvious for what. Just unify it consistently and use the "dbf" prefix to relate the arguments to the code in zfcp_dbf.*. Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
zfcp_erp_thread_setup() update complements v2.6.32 commit 347c6a96 ("[SCSI] zfcp: Use kthread API for zfcp erp thread"). Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
The CDB is just a part inside of FCP_CMND, see zfcp_fc_scsi_to_fcp(). While at it, fix the device driver reaction: adapter not LUN shutdown. Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
There is no point for double bookkeeping especially just for tracing. The trace can take it from the QTCB which always exists for non-SRB responses traced with zfcp_dbf_hba_fsf_res(). As a side effect, this removes an alignment hole and reduces the size of struct zfcp_fsf_req, and thus of each pending request, by 8 bytes. Before: $ pahole -C zfcp_fsf_req drivers/s390/scsi/zfcp.ko ... struct fsf_qtcb * qtcb; /* 144 8 */ u32 seq_no; /* 152 4 */ /* XXX 4 bytes hole, try to pack */ void * data; /* 160 8 */ ... /* size: 296, cachelines: 2, members: 14 */ /* sum members: 288, holes: 2, sum holes: 8 */ /* last cacheline: 40 bytes */ After: $ pahole -C zfcp_fsf_req drivers/s390/scsi/zfcp.ko ... struct fsf_qtcb * qtcb; /* 144 8 */ void * data; /* 152 8 */ ... /* size: 288, cachelines: 2, members: 13 */ /* sum members: 284, holes: 1, sum holes: 4 */ Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
Status read buffers (SRBs, unsolicited notifications) never use a QTCB [zfcp_fsf_req_create()]. zfcp_fsf_req_send() already uses this to distinguish SRBs from other FSF request types. We can re-use this method in zfcp_fsf_req_complete(). Introduce a helper function to make the check for req->qtcb less magic. SRBs always are FSF_QTCB_UNSOLICITED_STATUS, so we can hard-code this for the two trace functions dealing with SRBs. All other FSF request types have a QTCB and we can get the fsf_command from there. zfcp_dbf_hba_fsf_response() and thus zfcp_dbf_hba_fsf_res() are only called for non-SRB requests so it's safe to dereference the QTCB [zfcp_fsf_req_complete() returns early on SRB, else calls zfcp_fsf_protstatus_eval() which calls zfcp_dbf_hba_fsf_response()]. In zfcp_scsi_forget_cmnd() we guard the QTCB dereference with a preceding NULL check and rely on boolean shortcut evaluation. As a side effect, this causes an alignment hole which we can close in a later patch after having cleaned up all fields of struct zfcp_fsf_req. Before: $ pahole -C zfcp_fsf_req drivers/s390/scsi/zfcp.ko ... u32 status; /* 136 4 */ u32 fsf_command; /* 140 4 */ struct fsf_qtcb * qtcb; /* 144 8 */ ... After: $ pahole -C zfcp_fsf_req drivers/s390/scsi/zfcp.ko ... u32 status; /* 136 4 */ /* XXX 4 bytes hole, try to pack */ struct fsf_qtcb * qtcb; /* 144 8 */ ... Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
Have structures just before the structures that use them (without disrupting sequences of using structures such as zfcp_unit and zfcp_scsi_dev): - zfcp_adapter_mempool embedded in zfcp_adapter, - zfcp_latenc... embedded in zfcp_scsi_dev. Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
In contrast to struct fsf_qual_latency_info, the ones here are not FSF but software defined zfcp-internal. Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
v2.6.10 history commit 4062e12b2ba2 ("[PATCH] s390: zfcp act enhancements") extended this mask by one nibble with the introduction of ZFCP_STATUS_COMMON_ACCESS_DENIED == 0x00800000 for ACT (access control table). Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
Also clarify namespace prefix for the timeout used for FSF requests on behalf of SCSI error recovery: It is zfcp_fsf_ not zfcp_scsi_. Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
While struct zfcp_adapter contains a pointer to zfcp_reqlist, the pointer field does not need to know the structure or even a prototype. The prototype was introduced with v2.6.34 commit b6bd2fb9 ("[SCSI] zfcp: Move FSF request tracking code to new file"). Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Steffen Maier authored
Since commit 663e0890 ("[SCSI] zfcp: remove access control tables interface") these helper functions are only used for auto port scan in zfcp_fc.c. Also change them to the corresponding namespace prefix. This is a small cleanup for the miscellaneous catchall compile unit zfcp_aux.c. Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Reviewed-by:
Benjamin Block <bblock@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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zhong jiang authored
mempool_destroy has taken null pointer check into account. so remove the redundant check. Signed-off-by:
zhong jiang <zhongjiang@huawei.com> Acked-by:
Benjamin Block <bblock@linux.ibm.com> [maier@linux.ibm.com: depends on v4.3 4e3ca3e0 ("mm/mempool: allow NULL `pool' pointer in mempool_destroy()")] Signed-off-by:
Steffen Maier <maier@linux.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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John Garry authored
Not all host drivers are PCI drivers - like hisi_sas, which supports a platform driver - so remove reference to "pcidev". Signed-off-by:
John Garry <john.garry@huawei.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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John Garry authored
Like sas_printk() did previously, SAS_DPRINTK() offers little value now that libsas logs already have the "sas" prefix through pr_fmt(fmt). So it can be dropped. However, after reviewing some logs in libsas, it is noticed that debug level is too low in many instances. So this change drops SAS_DPRINTK() and revises some logs to a more appropriate level. However many stay at debug level, although some are significantly promoted. We add -DDEBUG for compilation so that we keep the debug messages by default, as before. All the pre-existing checkpatch errors for spanning messages across multiple lines are also fixed. Finally, all other references to printk() [apart from special formatting in sas_ata.c] are removed and replaced with appropriate pr_xxx(). Suggested-by:
Joe Perches <joe@perches.com> Signed-off-by:
John Garry <john.garry@huawei.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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