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Author SHA1 Message Date
Bart Van Assche 682eaed880 scst: Remove scst_device.dev_unregistering again 
See also:
- commit 2e386ef7c1 ("Merge branch svn-trunk")
- commit 3fc775c75a / r6589 ("EXTENDED COPY support")
- commit 6c46b1a5a0 ("scst: Remove the dev_unregistering member variable")
 2017-02-28 21:33:59 -08:00
Bart Van Assche e009996237 scstadmin: Fix regression tests 2017-02-28 21:33:58 -08:00
Bart Van Assche ebdb340e3a scst: Port to Linux kernel v4.11 2017-02-28 21:33:58 -08:00
Bart Van Assche 5b5a8b2523 scst_copy_mgr: Remove two incorrect assert statements 2017-02-28 20:35:39 -08:00
Bart Van Assche bb59822be2 Merge branch 'svn-trunk' 2017-02-28 17:41:54 -08:00
Bart Van Assche 08f2570761 scst_copy_mgr: Warn if LUN lookup fails 
It really is a bug if LUN lookup fails. 


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7100 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-02-27 22:36:33 +00:00
Bart Van Assche 5abc3cdd5f Merge branch 'svn-trunk' 2017-02-24 18:55:15 -08:00
Bart Van Assche 048b49c353 scst_copy_mgr: Fix iteration over sess_tgt_dev_list 2017-02-24 17:56:45 -08:00
Bart Van Assche 19212e4f29 scst_copy_mgr: Avoid that scst_cm_check_access_acg() triggers a kernel warning 
Avoid that the following kernel warning is triggered:

WARNING: CPU: 2 PID: 1761 at scst/src/scst_copy_mgr.c:2835 
Call Trace:
 dump_stack+0x86/0xc3
 __warn+0xc1/0xe0
 warn_slowpath_null+0x18/0x20
 scst_cm_check_access_acg+0x1c2/0x1d0 [scst]
 scst_cm_check_access+0x155/0x280 [scst]
 scst_cm_parse_id_tgt_descr+0x2e6/0x590 [scst]
 scst_cm_parse_descriptors+0x303/0xa60 [scst]
 scst_parse_descriptors+0x5b/0x130 [scst]
 scst_tgt_pre_exec+0x370/0x4a0 [scst]
 scst_process_active_cmd+0x455/0x770 [scst]
 scst_cmd_thread+0x1fb/0x690 [scst]
 kthread+0x102/0x140
 ret_from_fork+0x31/0x40



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7099 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-02-25 01:56:30 +00:00
Bart Van Assche 7ad87045dc scst_copy_mgr: Avoid that scst_cm_on_add_lun() triggers a kernel warning 
Avoid that the following warning is triggered:

WARNING: CPU: 1 PID: 1282 at scst/src/scst_copy_mgr.c:2784 scst_cm_on_add_lun+0x141/0x1b0 [scst]
Call Trace:
 dump_stack+0x86/0xc3
 __warn+0xc1/0xe0
 warn_slowpath_null+0x18/0x20
 scst_cm_on_add_lun+0x141/0x1b0 [scst]
 scst_acg_add_lun+0x27f/0x370 [scst]
 __scst_process_luns_mgmt_store+0x589/0x5f0 [scst]
 scst_luns_mgmt_store_work_fn+0x22/0x30 [scst]
 scst_process_sysfs_works+0x7b/0x1c0 [scst]
 sysfs_work_thread_fn+0x11b/0x280 [scst]
 kthread+0x102/0x140
 ret_from_fork+0x31/0x40


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7098 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-02-25 01:54:58 +00:00
Bart Van Assche 425f4ab3f2 Merge branch 'svn-trunk' 2017-02-23 23:08:18 -08:00
Bart Van Assche 95fe66fbeb scst: Fix locking annotations 
Avoid that the following warnings are triggered:

WARNING: CPU: 5 PID: 32343 at scst/src/scst_copy_mgr.c:2741 scst_cm_on_add_acg+0x12d/0x180 [scst]
Call Trace:
 [<ffffffff812a4d23>] dump_stack+0x86/0xc3
 [<ffffffff8106412b>] __warn+0xcb/0xf0
 [<ffffffff8106421d>] warn_slowpath_null+0x1d/0x20
 [<ffffffffa04f9b0d>] scst_cm_on_add_acg+0x12d/0x180 [scst]
 [<ffffffffa04b8084>] scst_alloc_add_acg+0xc4/0x280 [scst]
 [<ffffffffa0486b30>] scst_register_target+0x190/0x3a0 [scst]
 [<ffffffffa054f2de>] scst_cm_init+0xb8/0xdda [scst]
 [<ffffffffa054eab9>] init_scst+0xa06/0xc3f [scst]
 [<ffffffff8100043d>] do_one_initcall+0x3d/0x160
 [<ffffffff81154ae0>] do_init_module+0x5f/0x1f1
 [<ffffffff810efa69>] load_module+0x2719/0x2a50
 [<ffffffff810effcc>] SYSC_finit_module+0xbc/0xf0
 [<ffffffff810f001e>] SyS_finit_module+0xe/0x10
 [<ffffffff8152fe40>] entry_SYSCALL_64_fastpath+0x23/0xc1

WARNING: CPU: 2 PID: 12885 at scst/src/scst_copy_mgr.c:2826 scst_cm_check_access_acg+0x180/0x1e0 [scst]
Call Trace:
 [<ffffffff812a4d23>] dump_stack+0x86/0xc3
 [<ffffffff8106412b>] __warn+0xcb/0xf0
 [<ffffffff8106421d>] warn_slowpath_null+0x1d/0x20
 [<ffffffffa0502b00>] scst_cm_check_access_acg+0x180/0x1e0 [scst]
 [<ffffffffa0502cba>] scst_cm_check_access+0x15a/0x280 [scst]
 [<ffffffffa05030cb>] scst_cm_parse_id_tgt_descr+0x2eb/0x590 [scst]
 [<ffffffffa050a1d8>] scst_cm_parse_descriptors+0x308/0xa60 [scst]
 [<ffffffffa04d4440>] scst_parse_descriptors+0x60/0x130 [scst]
 [<ffffffffa04a3c05>] scst_tgt_pre_exec+0x375/0x4a0 [scst]
 [<ffffffffa04ac2a9>] scst_process_active_cmd+0x439/0x740 [scst]
 [<ffffffffa04adbb2>] scst_cmd_thread+0x202/0x6a0 [scst]
 [<ffffffff810883cf>] kthread+0xef/0x110
 [<ffffffff8153008f>] ret_from_fork+0x1f/0x40


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7097 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-02-24 07:07:41 +00:00
Bart Van Assche bc85808150 Merge branch 'svn-trunk' 2017-02-23 18:38:45 -08:00
Bart Van Assche ab0e7cc0be scst_copy_mgr: Avoid that LUN removal triggers a BUG() 
Reported-by: Jinpu Wang <jinpu.wang@profitbricks.com>


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7096 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-02-24 02:08:17 +00:00
Bart Van Assche 585c5d2fe0 scst_copy_mgr: Convert comments about locking into runtime checks 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7095 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-02-24 02:07:29 +00:00
Bart Van Assche 621cd3adf7 Merge branch 'svn-trunk' 2017-02-07 18:28:44 -08:00
Bart Van Assche 2a074789ac scstadmin: Revert r7014 
The immediateExit() call introduced in r7014 prevents to assign multiple
values to attributes that support multiple values, e.g. 'allowed_portal'.
Hence revert r7014.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7092 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-02-05 06:52:06 +00:00
Bart Van Assche bddec074a2 scst_sgv: Convert to kernel v4.10 2017-02-02 13:44:45 -08:00
Bart Van Assche 361bba626f ib_srpt: Fix ib_dma_map_ops test 2017-02-02 13:44:44 -08:00
Bart Van Assche ce4edcf7b3 ib_srpt: Fix a copy/paste bug 2017-02-02 13:44:44 -08:00
Bart Van Assche e45cbab700 scst: Port to Linux kernel v4.10 2017-02-02 13:44:43 -08:00
Vladislav Bolkhovitin 5930008dba Add scstadmin in the dist archive 
Reported by David Chen <david.chen@osnexus.com>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7091 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-01-24 00:29:41 +00:00
Bart Van Assche cf185c85c0 Merge branch 'svn-trunk' 2017-01-10 17:52:45 -08:00
Bart Van Assche 4538bc1c81 scst: Fix a memory leak 
Avoid that the memory allocated for struct scst_acn and its name is
leaked by scst_del_acg().


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7090 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-01-11 01:16:07 +00:00
Bart Van Assche 473db9c997 Merge branch 'svn-trunk' 2017-01-08 13:46:29 -08:00
Bart Van Assche b51c624855 ib_srpt: Only report that SRQ creation failed if it was attempted to create an SRQ 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7089 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-01-08 21:46:20 +00:00
Bart Van Assche 3abcc849df ib_srpt: Destroy SRQ before freeing the buffers posted on the SRQ 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7088 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-01-08 21:45:39 +00:00
Bart Van Assche db686530c9 ib_srpt: Rename a symbolic constant 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7087 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-01-08 21:10:54 +00:00
Bart Van Assche c9b2dfa070 ib_srpt: Remove a local variable 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7086 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-01-08 21:10:32 +00:00
Bart Van Assche 614fed27be Merge branch 'svn-trunk' 2017-01-08 04:47:58 -08:00
Bart Van Assche 81fd215772 isert-scst: Follow-up for r7084 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7085 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-12-27 20:42:22 +00:00
Bart Van Assche 9cbe881f2f isert-scst: Fix CentOS 7.3 build 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7084 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-12-27 20:26:11 +00:00
Bart Van Assche db36d29932 isert-scst: Rename SCST_DIR into SCST_SYMVERS_DIR 
Additionally, align shell code.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7083 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-12-27 20:25:13 +00:00
Bart Van Assche db5426169b ib_srpt: Improve portability 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7082 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-12-27 20:23:31 +00:00
Bart Van Assche 6912463c2e ib_srpt: Fix nightly build 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7081 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-12-27 20:21:53 +00:00
Vladislav Bolkhovitin a24bf679b8 Cleanup 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7080 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-12-22 03:07:19 +00:00
Vladislav Bolkhovitin e57c13a0e8 Web updates 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7079 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-12-21 03:42:30 +00:00
Vladislav Bolkhovitin bdfc767077 scst: document nolockdep patches 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7078 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-12-21 03:39:24 +00:00
Bart Van Assche 9f662f2c7c scripts/run-regression-tests: Provide <linux/compiler-gcc6.h> if needed 2016-12-20 11:05:12 +01:00
Bart Van Assche c9f082ebe1 Another fix for patch "ib_srpt: Fix nightly build" 2016-12-20 10:49:29 +01:00
Vladislav Bolkhovitin 5e73767a1b scst: minor forwarding mode fixes 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7077 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-12-20 06:28:41 +00:00
Vladislav Bolkhovitin 283b30f603 scst: add thread_index sysfs attribute 
This attribute exports per LUN thread index assigned by
scst_add_threads(). It can be used to look up which export thread is
serving which target since this index also appears in the export thread
name. This information then could be used to set CPU affinity for those threads to improve performance.



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7076 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-12-20 06:27:38 +00:00
Vladislav Bolkhovitin bdb23b8923 scst: performance improvements 
This patch trying to allocate memory in per-NUMA and per-CPU manner to
(significantly) improve performance for high IOPS cases.



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7075 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-12-20 06:21:13 +00:00
Vladislav Bolkhovitin 807836950b scst: improve latency statistics 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7074 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-12-20 06:17:11 +00:00
Vladislav Bolkhovitin 2475def30d scst: add max_tgt_dev_commands sysfs attribute 
This per-device attribute allows to control maximum number of SCSI
commands any session to this device can have in flight. It makes
currently hardcoded constant be run time configurable.



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7073 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-12-20 06:14:55 +00:00
Vladislav Bolkhovitin 42459a6725 scst: add ACA support 
ACA (Auto Contingent Allegiance) is a way to handle CHECK CONDITION
status. It significantly improves performance of AIX systems.



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7072 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-12-20 06:10:56 +00:00
Vladislav Bolkhovitin 4e1dc1b526 scst: improve thin provisioning support 
This patch adds gen_tp_soft_threshold_reached_UA attribute for thin
provisioned devices that allows to generate THIN PROVISIONING SOFT
THRESHOLD REACHED Unit Attention.



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7071 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-12-20 06:07:55 +00:00
Vladislav Bolkhovitin 5040dd22a4 iscsi-scst: document thread_pid attribute 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7070 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-12-20 06:01:34 +00:00
Vladislav Bolkhovitin c9b301bf39 iscsi-scst: add per_sess_dedicated_tgt_threads attribute in ini groups 
If this attrubute is set, each iSCSI session for this initiator has
dedicated, i.e. not shared with other sessions, pool of the iscsi{wr,rd}
kernel threads.

Useful to control per-session CPU affinity to improve performance.



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7069 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-12-20 06:00:43 +00:00
Vladislav Bolkhovitin df55eeb5da Minor misc changes 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7068 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-12-20 05:55:19 +00:00