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Author SHA1 Message Date
Vladislav Bolkhovitin
10f01feb98 Follow-up for the previous commit 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6866 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-04-20 04:34:43 +00:00
Vladislav Bolkhovitin
fce7964596 scst: decrease severity of "Copy Manager already registered" message, because it is harmless 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6865 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-04-20 04:29:34 +00:00
Vladislav Bolkhovitin
fae8fb74b0 scst: cleanups and clarifications 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6864 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-04-20 04:21:59 +00:00
Vladislav Bolkhovitin
fb0ad0b8cd scst_user: improve backward compatibility with handlers relying on obsolete SCST_USER_UNREGISTER_DEVICE call 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6863 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-04-20 04:00:00 +00:00
Vladislav Bolkhovitin
9ead865f6a Cleanup 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6862 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-04-20 03:44:21 +00:00
Vladislav Bolkhovitin
7219595e5c iscsi-scst: fix 2 minor main Makefile issues 
1. Fix build of progs and mods targets, if iscsi_scst_itf_ver.h does not exist
2. Fix small race for parallel build of "all" target, when iscsi_scst_itf_ver.h
   not yet built, when progs or mods target need it



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6861 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-04-20 03:17:16 +00:00
Vladislav Bolkhovitin
9cd57cf50f Cleanup 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6860 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-04-20 02:48:28 +00:00
Bart Van Assche
ee2b64348e Merge branch 'svn-trunk' 2016-04-12 06:48:43 -07:00
Bart Van Assche
dc28d934d3 scst.spec.in: Disable executable flag again for kernel modules 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6859 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-04-12 13:47:58 +00:00
Bart Van Assche
d619407d16 scst: Kernel v4.6-rc3 build fix 
See also patch "mm: drop PAGE_CACHE_* and page_cache_{get,release}
definition".


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6858 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-04-11 19:59:59 +00:00
Bart Van Assche
781bf927e0 Merge branch 'svn-trunk' 2016-04-08 20:12:20 -07:00
Bart Van Assche
dec1b4a12d scstadmin: Leave out "r" from RPM revision number 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6857 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-04-09 03:11:52 +00:00
Bart Van Assche
e3988e8c92 scst.spec.in: Enable .debug generation for .ko files 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6856 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-04-09 03:05:39 +00:00
Bart Van Assche
76cd77d64a scst.spec.in: Leave out 'r' from revision number 
RPM version comparison works correctly with numbers but not if the
revision starts with 'r'. Hence leave out the 'r'.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6855 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-04-09 03:04:09 +00:00
Bart Van Assche
5e92656c23 Merge with trunk r6854 2016-03-28 07:14:34 -07:00
Bart Van Assche
b34cf85d83 scst_sysfs: Report LUN replacement failure correctly 
This is a follow-up for r6834.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6854 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-27 22:44:44 +00:00
Bart Van Assche
24774b4a4d scst, ACG LUN manipulation functions: Switch to 'flags' argument 2016-03-27 15:43:12 -07:00
Bart Van Assche
520b66677d scst: Fix RHEL 5 build 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6853 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-27 17:26:50 +00:00
Bart Van Assche
86816401fa scst: Move more backports from scst_debug.h into backport.h 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6852 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-27 17:09:46 +00:00
Bart Van Assche
30c98e92cd scst_local: Address checkpatch warnings 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6851 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-27 16:57:04 +00:00
Bart Van Assche
30f362caa3 scst: Address more checkpatch warnings 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6850 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-27 16:56:50 +00:00
Bart Van Assche
3990a6ccd4 iscsi-scstd: Insert a blank line after declarations 
Additionally, surround complex values with parentheses, declare static
char arrays const and change C++ comments into C comments.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6849 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-27 16:24:59 +00:00
Bart Van Assche
c477b5f99c iscsi-scstd: Fix more checkpatch complaints about whitespace 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6848 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-27 16:16:06 +00:00
Bart Van Assche
2681ed8bcb iscsi-scstd: Fix checkpatch complaints about whitespace 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6847 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-27 16:10:45 +00:00
Bart Van Assche
3ab98d8174 iscsi-scst: Fix checkpatch complaints about whitespace 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6846 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-27 16:10:26 +00:00
Bart Van Assche
4dfb9d10c7 fcst: Change "signed" into "signed int" 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6845 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-27 15:57:41 +00:00
Bart Van Assche
45a032c357 fcst: Remove a CVS keyword marker 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6844 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-27 15:57:03 +00:00
Bart Van Assche
d4fc2435ec scst_mem: Remove a superfluous cast 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6843 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-27 15:55:41 +00:00
Bart Van Assche
b109098efe ib_srpt: Fix checkpatch complaints about missing spaces 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6842 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-27 15:52:41 +00:00
Bart Van Assche
7289593aff scst: Fix checkpatch complaints about using spaces for indentation instead of tabs 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6841 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-27 15:50:21 +00:00
Bart Van Assche
8695583ee9 ib_srpt: Reduce CPU load caused by stopping a large number of sessions 
Avoid that stopping a large number of SRPT sessions causes a high
context switch frequency and hence a high CPU load.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6840 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-24 17:15:23 +00:00
Bart Van Assche
63768c8715 ib_srpt: Fix a debug message 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6839 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-24 17:14:49 +00:00
Bart Van Assche
3a7a5e7289 scst_vdisk: Fix handling of vdisk_cmd_params::iv 
Avoid that the iv pointer can become a dangling pointer for
vdisk_fileio devices. Freeing iv without resetting iv_count
makes it namely possible that iv will be used after the memory
that pointer points at has been freed.
    
For vdisk_blockio devices, call vdisk_on_free_cmd_params() to
free the iv pointer.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6838 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-24 17:14:29 +00:00
Bart Van Assche
fef250eb90 scst_vdisk: Introduce vdisk_on_free_cmd_params() 
This patch does not change any functionality.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6837 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-24 17:13:46 +00:00
Bart Van Assche
4f10d6254e scst_vdisk: Remove superfluous semicolons 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6836 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-24 17:13:06 +00:00
Bart Van Assche
eff3021fb5 scst: Port to Linux kernel v4.6 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6835 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-24 04:08:12 +00:00
Bart Van Assche
cf459edf68 scst: Move LUN replacement code to scst_lib 
Move the code for LUN replacement from scst_sysfs.c into scst_lib.c.
This patch reduces code duplication by calling __scst_acg_del_lun()
from inside the LUN reassignment code. This patch does not change
any functionality.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6834 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-18 23:10:39 +00:00
Bart Van Assche
da3b803d81 scst_lib: Introduce __scst_acg_del_lun() 
This patch does not change any functionality.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6833 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-18 23:10:10 +00:00
Bart Van Assche
7d1a007256 scst_sysfs: Separate LUN addition from LUN replacement code 
This patch does not change any functionality but makes
__scst_process_luns_mgmt_store() easier to read.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6832 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-18 23:09:39 +00:00
Bart Van Assche
af8f462071 ib_srpt: Revert r6822 
Revision 6822 triggers a race condition, hence revert it.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6831 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-18 17:00:39 +00:00
Bart Van Assche
8aa0ecf666 scripts/generate-patched-kernel: Fix list-source-files path 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6830 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-11 04:06:34 +00:00
Vladislav Bolkhovitin
3d28ef3f0a scst_vdisk: warning clarification 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6828 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-11 03:27:53 +00:00
Vladislav Bolkhovitin
f59e86a659 This limits target group state changes to only apply to targets local to the host. 
This prevents the devices being blocked offline by changes to non-local targets.

Signed-off-by: Adrian Saul <adrian.saul@tpgtelecom.com.au>

with some minor corrections



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6827 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-11 03:10:04 +00:00
Vladislav Bolkhovitin
740ad417db scst: some more debug tracing on the pass-through path 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6826 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-10 05:25:55 +00:00
Vladislav Bolkhovitin
c12cdbf860 qla2x00t: decrease severity of 2 log messages 
Those messages don't necessare mean any error. Some harmless race
conditions between the target driver and FW can lead to them as well.



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6825 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-10 05:00:01 +00:00
Bart Van Assche
8e2996b74a scst_vdisk: Fix kfree() argument in vdev_size_store() error path 
The wrong variable is freed in the vdev_size_store() error path.
Pass 'new_size' instead of 'buf' to kfree().

Signed-off-by: Sebastian Parschauer <sebastian.riemer@profitbricks.com>
[ bvanassche: edited patch description ]


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6824 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-08 18:24:23 +00:00
Vladislav Bolkhovitin
f21aac581f scst: make NULLIO use per-initiator threads 
To increase peformance by decreasing locks contention with multiple
CPU cores between multiple threads in the global pool.



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6823 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-04 03:49:23 +00:00
Bart Van Assche
69471744d8 ib_srpt: Reduce command processing latency 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6822 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-02 19:56:41 +00:00
Vladislav Bolkhovitin
83d0cb0f46 iscsi-scst: fix possible recursive locking 
cmnd_done() called from cmnd_put() can take cmd_list_lock, so it must
not be called under it.

Reported and tested by David Chen <david.chen@osnexus.com>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6821 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-02 04:13:42 +00:00
Bart Van Assche
068bc3f41e scst: Fix scst_resume_activity() 
Avoid that the following crash is triggered under memory pressure:

 PID: 12622  TASK: ffff88042069a040  CPU: 2   COMMAND: "scst_uid"
  #0 [ffff88040daebaa0] machine_kexec at ffffffff8103b60b
  #1 [ffff88040daebb00] crash_kexec at ffffffff810c99e2
  #2 [ffff88040daebbd0] oops_end at ffffffff8152e1c0
  #3 [ffff88040daebc00] die at ffffffff81010f5b
  #4 [ffff88040daebc30] do_general_protection at ffffffff8152dcb2
  #5 [ffff88040daebc60] general_protection at ffffffff8152d485
     [exception RIP: __scst_resume_activity+531]
     RIP: ffffffffa05ccbd3  RSP: ffff88040daebd10  RFLAGS: 00010046
     RAX: 0000000000000063  RBX: dead000000100100  RCX: 0000000000000000
     RDX: ffffffffa067c8a0  RSI: 0000000000000046  RDI: 0000000000000046
     RBP: ffff88040daebd30   R8: 000000001c1471e6   R9: 6320746d676d2065
     R10: 766974636120666f  R11: 2064616568206f74  R12: ffff88068fea73a8
     R13: ffff88068fea73a8  R14: ffff88040daebe08  R15: ffff88043a7eaab0
     ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
  #6 [ffff88040daebd18] mutex_lock at ffffffff8152af9e
  #7 [ffff88040daebd38] scst_resume_activity at ffffffffa05ccc6d [scst]
  #8 [ffff88040daebd48] scst_unregister_virtual_device at ffffffffa05ce18c [scst]
  #9 [ffff88040daebd88] vdev_del_device at ffffffffa07ca1c0 [scst_vdisk]
 #10 [ffff88040daebdb8] vdisk_del_device at ffffffffa07ca4bf [scst_vdisk]
 #11 [ffff88040daebde8] scst_process_devt_mgmt_store at ffffffffa0605ab9 [scst]
 #12 [ffff88040daebe38] scst_devt_mgmt_store_work_fn at ffffffffa0605af6 [scst]
 #13 [ffff88040daebe48] scst_process_sysfs_works at ffffffffa0601c5f [scst]
 #14 [ffff88040daebe78] sysfs_work_thread_fn at ffffffffa0601e97 [scst]
 #15 [ffff88040daebee8] kthread at ffffffff8109e78e
 #16 [ffff88040daebf48] kernel_thread at ffffffff8100c28a
    
Reported-by: Ashok Ramu <ashok.ramu@actifio.com>
Reported-by: Boris Protopopov <boris.protopopov@actifio.com>


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6818 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-01 17:39:37 +00:00