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SCSI updates for post 3.2 merge window
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (67 commits)
[SCSI] lpfc 8.3.28: Update driver version to 8.3.28
[SCSI] lpfc 8.3.28: Add Loopback support for SLI4 adapters
[SCSI] lpfc 8.3.28: Critical Miscellaneous fixes
[SCSI] Lpfc 8.3.28: FC and SCSI Discovery Fixes
[SCSI] lpfc 8.3.28: Add support for ABTS failure handling
[SCSI] lpfc 8.3.28: SLI fixes and added SLI4 support
[SCSI] lpfc 8.3.28: Miscellaneous fixes in sysfs and mgmt interfaces
[SCSI] mpt2sas: Removed redundant calling of _scsih_probe_devices() from _scsih_probe
[SCSI] mac_scsi: Remove obsolete IRQ_FLG_* users
[SCSI] qla4xxx: Update driver version to 5.02.00-k10
[SCSI] qla4xxx: check for FW alive before calling chip_reset
[SCSI] qla4xxx: Fix qla4xxx_dump_buffer to dump buffer correctly
[SCSI] qla4xxx: Fix the IDC locking mechanism
[SCSI] qla4xxx: Wait for disable_acb before doing set_acb
[SCSI] qla4xxx: Don't recover adapter if device state is FAILED
[SCSI] qla4xxx: fix call trace on rmmod with ql4xdontresethba=1
[SCSI] qla4xxx: Fix CPU lockups when ql4xdontresethba set
[SCSI] qla4xxx: Perform context resets in case of context failures.
[SCSI] iscsi class: export pid of process that created
[SCSI] mpt2sas: Remove unused duplicate diag_buffer_enable param
...
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Signed-off-by: Chandrakala Chavva <cchavva@caviumnetworks.com>
Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: "Nandigama, Nagalakshmi" <Nagalakshmi.Nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Using strlcpy instead of memcpy makes the strlen() calls superfluous
and also ensures zero-termination of the copied string.
At the same time get rid of the magic constant 50.
Actually, I can't see why copying the callback name is necessary
instead of simply storing a pointer to it (just like to the callback
function itself), but that goes beyond the scope of this fix.
Signed-off-by: Ferenc Wagner <wferi@niif.hu>
Acked-by: "Nandigama, Nagalakshmi" <Nagalakshmi.Nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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The below patch fixes some typos in various parts of the kernel, as well as fixes some comments.
Please let me know if I missed anything, and I will try to get it changed and resent.
Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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When READ_16 command is issued, the setting of SILI Bit in CDB is confirmed
and if SILI bit is off, the processing of relavent Errata is executed.
Added code for checking SILI bit for READ_16 as described in "SSC-4".
Signed-off-by: Nagalakshmi Nandigama <nagalakshmi.nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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[Resend patch as per Bernd Schubert comment ]
Issue:
Device goes offline while doing aggressive HBA reset
along with IO using some utility.
Root cause:
FW goes into bad state due to aggressive reset. Softreset does not
help to recover FW. And also aggressive reset open up the window for
Error handling thread to kicked off at the same time HBA will be in
constant RESET loop as part of aggressive reset test case can lead
Device to goes offline.
Changes:
1. Added extra check as below inside eh_timed_out call back as below.
if(ioc->ioc_reset_in_progress) Rc = EH_TIMER_RESET
2. Removed " DOORBELL_ACTIVE" check for SAS controller from task
management context. Since SAS controller uses high priority queue
for task management. This check is not required for SAS controller.
3. Moved SoftReset call to HardReset from Task Mgmt context.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Upgrade version string.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Driver will now schedule MPI event using "delay_work_queue_on" to
specify same CPU to be used to schedule work. Earlier it used
"delay_work_queue" which can cause migration of work due to kernel'
timer migration feature.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Find Non-Operation IOC and remove it from OS: Detecting
dead(non-functional) ioc will be done reading doorbell register value
from fault reset thread, which has been called from work thread
context after each specific interval. If doorbell value is 0xFFFFFFFF,
it will be considered as IOC is non-operational and marked as dead
ioc.
Once Dead IOC has been detected, it will be removed at pci layer using
"pci_remove_bus_device" API.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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The max_sector setting is currently hard-coded in the driver to 8192
sectors (4MB transfers). Using new module parameter, if max_sectors is
specified at load time, the default of 8192 will be overridden.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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When READ_6 command is issued, the setting of SILI Bit in CDB is confirmed and
if SILI bit is off, the processing of relavent Errata is executed.
Earlier we did not have check for SILI bit in READ_6 CDB.
As described in "ssc-r22", Now Driver is checking SILI bit for READ_6.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits)
b43: fix comment typo reqest -> request
Haavard Skinnemoen has left Atmel
cris: typo in mach-fs Makefile
Kconfig: fix copy/paste-ism for dell-wmi-aio driver
doc: timers-howto: fix a typo ("unsgined")
perf: Only include annotate.h once in tools/perf/util/ui/browsers/annotate.c
md, raid5: Fix spelling error in comment ('Ofcourse' --> 'Of course').
treewide: fix a few typos in comments
regulator: change debug statement be consistent with the style of the rest
Revert "arm: mach-u300/gpio: Fix mem_region resource size miscalculations"
audit: acquire creds selectively to reduce atomic op overhead
rtlwifi: don't touch with treewide double semicolon removal
treewide: cleanup continuations and remove logging message whitespace
ath9k_hw: don't touch with treewide double semicolon removal
include/linux/leds-regulator.h: fix syntax in example code
tty: fix typo in descripton of tty_termios_encode_baud_rate
xtensa: remove obsolete BKL kernel option from defconfig
m68k: fix comment typo 'occcured'
arch:Kconfig.locks Remove unused config option.
treewide: remove extra semicolons
...
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Shut up
drivers/message/fusion/mptsas.c: In function 'mptsas_event_process':
drivers/message/fusion/mptsas.c:5015: warning: unused variable 'log_info'
for configs with CONFIG_SCSI_MPT2SAS_LOGGING unset.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Acked-by: "Desai, Kashyap" <Kashyap.Desai@lsi.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Adding support for inline data padding for TAPE drive when running U320.
[jejb: whitespace fixes]
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Remove debug print from mptscsih_qcmd function call.
This debug print cause flood of prints and difficult to debug other issues.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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The SCSI midlayer stops all command processing when in error handling, which
means there is no chance for command reuse when the abort handler is called.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Using C line continuation inside format strings is error prone.
Clean up the unintended whitespace introduced by misuse of \.
Neaten correctly used line continations as well for consistency.
drivers/scsi/arcmsr/arcmsr_hba.c has these errors as well,
but arcmsr needs a lot more work and the driver should likely be
moved to staging instead.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Fixes generated by 'codespell' and manually reviewed.
Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
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* 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: (25 commits)
video: change to new flag variable
scsi: change to new flag variable
rtc: change to new flag variable
rapidio: change to new flag variable
pps: change to new flag variable
net: change to new flag variable
misc: change to new flag variable
message: change to new flag variable
memstick: change to new flag variable
isdn: change to new flag variable
ieee802154: change to new flag variable
ide: change to new flag variable
hwmon: change to new flag variable
dma: change to new flag variable
char: change to new flag variable
fs: change to new flag variable
xtensa: change to new flag variable
um: change to new flag variables
s390: change to new flag variable
mips: change to new flag variable
...
Fix up trivial conflict in drivers/hwmon/Makefile
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (170 commits)
[SCSI] scsi_dh_rdac: Add MD36xxf into device list
[SCSI] scsi_debug: add consecutive medium errors
[SCSI] libsas: fix ata list corruption issue
[SCSI] hpsa: export resettable host attribute
[SCSI] hpsa: move device attributes to avoid forward declarations
[SCSI] scsi_debug: Logical Block Provisioning (SBC3r26)
[SCSI] sd: Logical Block Provisioning update
[SCSI] Include protection operation in SCSI command trace
[SCSI] hpsa: fix incorrect PCI IDs and add two new ones (2nd try)
[SCSI] target: Fix volume size misreporting for volumes > 2TB
[SCSI] bnx2fc: Broadcom FCoE offload driver
[SCSI] fcoe: fix broken fcoe interface reset
[SCSI] fcoe: precedence bug in fcoe_filter_frames()
[SCSI] libfcoe: Remove stale fcoe-netdev entries
[SCSI] libfcoe: Move FCOE_MTU definition from fcoe.h to libfcoe.h
[SCSI] libfc: introduce __fc_fill_fc_hdr that accepts fc_hdr as an argument
[SCSI] fcoe, libfc: initialize EM anchors list and then update npiv EMs
[SCSI] Revert "[SCSI] libfc: fix exchange being deleted when the abort itself is timed out"
[SCSI] libfc: Fixing a memory leak when destroying an interface
[SCSI] megaraid_sas: Version and Changelog update
...
Fix up trivial conflicts due to whitespace differences in
drivers/scsi/libsas/{sas_ata.c,sas_scsi_host.c}
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Replace EXTRA_CFLAGS with ccflags-y.
Signed-off-by: matt mooney <mfm@muteddisk.com>
Acked-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Bus reset is not required for SAS Controller. It is valid for mptspi
and mptfc, but for mptsas it is not required. It is an extra work for
Error handling escallation for mptsas. Removing bus reset from error
handling will eventually speedup Error handling for SAS controller.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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SAS1.0 Controller was not able to detect SAS2.0 Expanders due to Link
RATE detection was limited to 1.5 Gbps and 3.0 Gbps for SAS1
controllers. Added detection for 6.0 Gbps link. Now, user can mix-up
6.0 Gpbs links with SAS1.0 controller.
e.g SAS1.0 HBA <----> SAS2.0 Expander <------> SAS2.0 Expander <--------> SAS1.0 Drive.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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There's a branch at the end of this function that
is supposed to normalize the return value with what
the mid-layer expects. In this one case, we get it wrong.
Also increase the verbosity of the INFO level printk
at the end of mptscsih_abort to include the actual return value
and the scmd->serial_number. The reason being success
or failure is actually determined by the state of
the internal tag list when a TMF is issued, and not the
return value of the TMF cmd. The serial_number is also
used in this decision, thus it's useful to know for debugging
purposes.
Cc: stable@kernel.org
Reported-by: Peter M. Petrakis <peter.petrakis@canonical.com>
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Added missing release callback for file_operations mptctl_fops.
Without release callback there will be never freed. It remains on
mptctl's eent list even after the file is closed and released.
Relavent RHEL bugzilla is 660871
Cc: stable@kernel.org
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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A 'kfree(karg)' is missing in a failure path in
mptctl.c::mptctl_getiocinfo() which can cause a memory leak.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: "Desai, Kashyap" <Kashyap.Desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Conflicts:
MAINTAINERS
arch/arm/mach-omap2/pm24xx.c
drivers/scsi/bfa/bfa_fcpim.c
Needed to update to apply fixes for which the old branch was too
outdated.
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Move the mid-layer's ->queuecommand() invocation from being locked
with the host lock to being unlocked to facilitate speeding up the
critical path for drivers who don't need this lock taken anyway.
The patch below presents a simple SCSI host lock push-down as an
equivalent transformation. No locking or other behavior should change
with this patch. All existing bugs and locking orders are preserved.
Additionally, add one parameter to queuecommand,
struct Scsi_Host *
and remove one parameter from queuecommand,
void (*done)(struct scsi_cmnd *)
Scsi_Host* is a convenient pointer that most host drivers need anyway,
and 'done' is redundant to struct scsi_cmnd->scsi_done.
Minimal code disturbance was attempted with this change. Most drivers
needed only two one-line modifications for their host lock push-down.
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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"gadget", "through", "command", "maintain", "maintain", "controller", "address",
"between", "initiali[zs]e", "instead", "function", "select", "already",
"equal", "access", "management", "hierarchy", "registration", "interest",
"relative", "memory", "offset", "already",
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (84 commits)
[SCSI] be2iscsi: SGE Len == 64K
[SCSI] be2iscsi: Remove premature free of cid
[SCSI] be2iscsi: More time for FW
[SCSI] libsas: fix bug for vacant phy
[SCSI] sd: Fix overflow with big physical blocks
[SCSI] st: add MTWEOFI to write filemarks without flushing drive buffer
[SCSI] libsas: Don't issue commands to devices that have been hot-removed
[SCSI] megaraid_sas: Add Online Controller Reset to MegaRAID SAS drive
[SCSI] lpfc 8.3.17: Update lpfc driver version to 8.3.17
[SCSI] lpfc 8.3.17: Replace function reset methodology
[SCSI] lpfc 8.3.17: SCSI fixes
[SCSI] lpfc 8.3.17: BSG fixes
[SCSI] lpfc 8.3.17: SLI Additions and Fixes
[SCSI] lpfc 8.3.17: Code Cleanup and Locking fixes
[SCSI] zfcp: Remove scsi_cmnd->serial_number from debug traces
[SCSI] ipr: fix array error logging
[SCSI] aha152x: enable PCMCIA on 64bit
[SCSI] scsi_dh_alua: Handle all states correctly
[SCSI] cxgb4i: connection and ddp setting update
[SCSI] cxgb3i: fixed connection over vlan
...
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All these files use the big kernel lock in a trivial
way to serialize their private file operations,
typically resulting from an earlier semi-automatic
pushdown from VFS.
None of these drivers appears to want to lock against
other code, and they all use the BKL as the top-level
lock in their file operations, meaning that there
is no lock-order inversion problem.
Consequently, we can remove the BKL completely,
replacing it with a per-file mutex in every case.
Using a scripted approach means we can avoid
typos.
file=$1
name=$2
if grep -q lock_kernel ${file} ; then
if grep -q 'include.*linux.mutex.h' ${file} ; then
sed -i '/include.*<linux\/smp_lock.h>/d' ${file}
else
sed -i 's/include.*<linux\/smp_lock.h>.*$/include <linux\/mutex.h>/g' ${file}
fi
sed -i ${file} \
-e "/^#include.*linux.mutex.h/,$ {
1,/^\(static\|int\|long\)/ {
/^\(static\|int\|long\)/istatic DEFINE_MUTEX(${name}_mutex);
} }" \
-e "s/\(un\)*lock_kernel\>[ ]*()/mutex_\1lock(\&${name}_mutex)/g" \
-e '/[ ]*cycle_kernel_lock();/d'
else
sed -i -e '/include.*\<smp_lock.h\>/d' ${file} \
-e '/cycle_kernel_lock()/d'
fi
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: linux-scsi@vger.kernel.org
Cc: "James E.J. Bottomley" <James.Bottomley@suse.de>
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In this code, 0 is returned on memory allocation failure, even though other
failures return -ENOMEM or other similar values.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression ret;
expression x,e1,e2,e3;
@@
ret = 0
... when != ret = e1
*x = \(kmalloc\|kcalloc\|kzalloc\)(...)
... when != ret = e2
if (x == NULL) { ... when != ret = e3
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: "Desai, Kashyap" <Kashyap.Desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Fix fusion missing kernel-doc:
Warning(drivers/message/fusion/mptbase.c:649): No description found for parameter 'func_name'
Warning(drivers/message/fusion/mptbase.c:8010): No description found for parameter 'cb_idx'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix comment begin notation not to look like kernel-doc
since it's not. Removes kernel-doc warnings.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (28 commits)
[SCSI] qla4xxx: fix compilation warning
[SCSI] make error handling more robust in the face of reservations
[SCSI] tgt: fix warning
[SCSI] drivers/message/fusion: Adjust confusing if indentation
[SCSI] Return NEEDS_RETRY for eh commands with status BUSY
[SCSI] ibmvfc: Driver version 1.0.9
[SCSI] ibmvfc: Fix terminate_rport_io
[SCSI] ibmvfc: Fix rport add/delete race resulting in oops
[SCSI] lpfc 8.3.16: Change LPFC driver version to 8.3.16
[SCSI] lpfc 8.3.16: FCoE Discovery and Failover Fixes
[SCSI] lpfc 8.3.16: SLI Additions, updates, and code cleanup
[SCSI] pm8001: introduce missing kfree
[SCSI] qla4xxx: Update driver version to 5.02.00-k3
[SCSI] qla4xxx: Added AER support for ISP82xx
[SCSI] qla4xxx: Handle outstanding mbx cmds on hung f/w scenarios
[SCSI] qla4xxx: updated mbx_sys_info struct to sync with FW 4.6.x
[SCSI] qla4xxx: clear AF_DPC_SCHEDULED flage when exit from do_dpc
[SCSI] qla4xxx: Stop firmware before doing init firmware.
[SCSI] qla4xxx: Use the correct request queue.
[SCSI] qla4xxx: set correct value in sess->recovery_tmo
...
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* 'params' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: (22 commits)
param: don't deref arg in __same_type() checks
param: update drivers/acpi/debug.c to new scheme
param: use module_param in drivers/message/fusion/mptbase.c
ide: use module_param_named rather than module_param_call
param: update drivers/char/ipmi/ipmi_watchdog.c to new scheme
param: lock if_sdio's lbs_helper_name and lbs_fw_name against sysfs changes.
param: lock myri10ge_fw_name against sysfs changes.
param: simple locking for sysfs-writable charp parameters
param: remove unnecessary writable charp
param: add kerneldoc to moduleparam.h
param: locking for kernel parameters
param: make param sections const.
param: use free hook for charp (fix leak of charp parameters)
param: add a free hook to kernel_param_ops.
param: silence .init.text references from param ops
Add param ops struct for hvc_iucv driver.
nfs: update for module_param_named API change
AppArmor: update for module_param_named API change
param: use ops in struct kernel_param, rather than get and set fns directly
param: move the EXPORT_SYMBOL to after the definitions.
...
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Fix (delete) empty kernel-doc lines/warnings:
Warning(drivers/message/fusion/mptbase.c:6916): bad line:
Warning(drivers/message/fusion/mptbase.c:7060): bad line:
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Eric Moore <Eric.Moore@lsi.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Convert everything except ->proc_info() stuff, it is done within separate
->proc_info path series.
Problem with ->read_proc et al is described here commit
786d7e1612f0b0adb6046f19b906609e4fe8b1ba "Fix rmmod/read/write races in
/proc entries"
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Eric Moore <Eric.Moore@lsi.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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No need to open code this!
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
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Indent the branch of an if.
The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r disable braces4@
position p1,p2;
statement S1,S2;
@@
(
if (...) { ... }
|
if (...) S1@p1 S2@p2
)
@script:python@
p1 << r.p1;
p2 << r.p2;
@@
if (p1[0].column == p2[0].column):
cocci.print_main("branch",p1)
cocci.print_secs("after",p2)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: "Desai, Kashyap" <Kashyap.Desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (48 commits)
Documentation: update broken web addresses.
fix comment typo "choosed" -> "chosen"
hostap:hostap_hw.c Fix typo in comment
Fix spelling contorller -> controller in comments
Kconfig.debug: FAIL_IO_TIMEOUT: typo Faul -> Fault
fs/Kconfig: Fix typo Userpace -> Userspace
Removing dead MACH_U300_BS26
drivers/infiniband: Remove unnecessary casts of private_data
fs/ocfs2: Remove unnecessary casts of private_data
libfc: use ARRAY_SIZE
scsi: bfa: use ARRAY_SIZE
drm: i915: use ARRAY_SIZE
drm: drm_edid: use ARRAY_SIZE
synclink: use ARRAY_SIZE
block: cciss: use ARRAY_SIZE
comment typo fixes: charater => character
fix comment typos concerning "challenge"
arm: plat-spear: fix typo in kerneldoc
reiserfs: typo comment fix
update email address
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We should release the resources in error return code path.
The requested pci bars should be released under an error condition,
when mpt_mapresources fails.
Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Acked-by: "Desai, Kashyap" <Kashyap.Desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Version upgrade patch.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Adding function name in original debug prints and few more debug prints are
added.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Cc: Stable Tree <stable@kernel.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Issue description:
In multipath topology, when device deletion is in transient state,
multipath driver can call blk_flush_queue() as part of path failure.
Before device get deleted from OS, Device may go OFFLINE as part of error
handling kicked off triggered from multipathing driver. Above condition hits
more frequently if device missing delay timer (which is LSI specific firmware
parameter) is non zero value.
root cause of this issue is Error handling thread is getting kicked off for
device which is not really present(in transient state of deleting).
This patch has solution for this issue. driver is now using eh_timed_out
callback. See below.
mptsas_transport_template->eh_timed_out = mptsas_eh_timed_out
Using mptsas_eh_timed_out function, driver can decide weather vdevice is
under Device missing delay or deleting state.
for either of those cases, there is BLK_EH_RESET_TIMER return to scsi mid
and error handling thread will not be kicked off for that particular scsi
command.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Cc: Stable Tree <stable@kernel.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Printing Doorbell register in a case of hard reset and timeout
should be useful for figuring out the state of the system.
Signed-off-by: Kei Tokunaga <tokunaga.keiich@jp.fujitsu.com>
Acked-by: "Desai, Kashyap" <Kashyap.Desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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This patch fixes mptsas disk hot-removal processing. The
hot-removal processing doesn't complete because of this condition.
drivers/message/fusion/mptsas.c:
mptsas_taskmgmt_complete()
if ((mptsas_find_vtarget(ioc, channel, id)) && !ioc->fw_events_off)
mptsas_queue_device_delete(...);
mptsas_queue_device_delete(), which must be called for
hot-removal, never gets called because mptsas_find_vtarget()
always returns 0 here. At that time, the vtarget has already
been freed in mptsas_target_destroy(), and also the scsi_device
has been marked as SDEV_DEL.
As a result of the issue, port deletion functions won't get
called and the device ends up being in an incomplete state.
(Some data structures and sysfs entries, which should be
removed in hot-removal, remain.) One side effect of this is
that a hot-addition of the device (bringing the device back
on) fails.
This patch just removes mptsas_find_vtarget() from the if-state
condition.
Signed-off-by: Kei Tokunaga <tokunaga.keiich@jp.fujitsu.com>
Acked-by: "Desai, Kashyap" <Kashyap.Desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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In mpt_detach, call to pci_set_drvdata is redundant because it
has already been called in mpt_adapter_disable. In mpt_attach,
ioc->pcidev is set to pdev two times.
Signed-off-by: Bandan Das <bandan.das@stratus.com>
Acked-by: "Desai, Kashyap" <Kashyap.Desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Linus Torvalds
Chandrakala Chavva
Ferenc Wagner
Justin P. Mattock
nagalakshmi.nandigama@lsi.com
kashyap.desai@lsi.com
Borislav Petkov
Christoph Hellwig
Joe Perches
Lucas De Marchi
matt mooney
Jesper Juhl
Jiri Kosina
Jeff Garzik
Uwe Kleine-König
Arnd Bergmann
Julia Lawall
Randy Dunlap
Alexey Dobriyan
Rusty Russell
Tomas Henzl
Kei Tokunaga
Bandan Das