- 06 Sep, 2013 3 commits
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Bradley Grove authored
Reported-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
Bradley Grove <bgrove@attotech.com> Signed-off-by:
James Bottomley <JBottomley@Parallels.com>
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Bradley Grove authored
Reported-by:
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Bradley Grove authored
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- 03 Sep, 2013 37 commits
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Vaughan Cao authored
Push file descriptor list locking down to per-device locking. Let sg_index_lock only protect device lookup. sdp->detached is also set and checked with this lock held. Signed-off-by:
Vaughan Cao <vaughan.cao@oracle.com> Acked-by:
Douglas Gilbert <dgilbert@interlog.com> Signed-off-by:
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Vaughan Cao authored
@detached is set under the protection of sg_index_lock. Without getting the lock, new sfp will be added during sg removal and there is no chance for it to be picked out. So check with sg_index_lock held in sg_add_sfp(). Signed-off-by:
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Vaughan Cao authored
Open exclusive check is protected by o_sem, no need sg_open_exclusive_lock. @exclude is used to record which type of rwsem we are holding. Signed-off-by:
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Vaughan Cao authored
A race condition may happen if two threads are both trying to open the same sg with O_EXCL simultaneously. It's possible that they both find fsds list is empty and get_exclude(sdp) returns 0, then they both call set_exclude() and break out from wait_event_interruptible and resume open. Now use rwsem to protect this process. Exclusive open gets write lock and others get read lock. The lock will be held until file descriptor is closed. This also leads 'exclude' only a status rather than a check mark. Signed-off-by:
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Akinobu Mita authored
Commit b90ebc3d ("[SCSI] scsi_debug: fix logical block provisioning support") fixed several issues with logical block provisioning support, but it still doesn't properly fix the cases when unmap_alignment > 0. For example, load scsi_debug module with the following module parameters and make all blocks mapped by filling the storage with zero. # modprobe scsi_debug lbpu=1 unmap_alignment=1 unmap_granularity=4 # dd if=/dev/zero of=$DEV Then, try to unmap the first unmappable blocks at lba=1, but GET LBA STATUS unexpectedly reports that the last UNMAP has done nothing. # sg_unmap --lba=1 --num=4 $DEV # sg_get_lba_status --lba=1 $DEV descriptor LBA: 0x0000000000000001 blocks: 16383 mapped The problem is in map_index_to_lba(), which should return the first LBA which is corresponding to a given index of provisioning map (map_storep). Signed-off-by:
Akinobu Mita <akinobu.mita@gmail.com> Acked-by:
"Martin K. Petersen" <martin.petersen@oracle.com> Acked-by:
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Akinobu Mita authored
With module parameter num_parts > 0, partition table is built on the ramdisk storage when loading the driver. Unfortunately, there is an endianness bug in sdebug_build_parts(). So the partition table is not correctly initialized on big-endian systems. Signed-off-by:
Martin Peschke <mpeschke@linux.vnet.ibm.com> Acked-by:
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Saurav Kashyap authored
Signed-off-by:
Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by:
Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by:
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Andy Shevchenko authored
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Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by:
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Saurav Kashyap authored
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Joe Carnuccio authored
At mailbox/buffer debug level, print the correct values of the outgoing and incoming mailbox registers. Signed-off-by:
Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by:
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Sawan Chandak authored
On any Adapter when we flash through FC/FCoE without card reset option it still shows the Running FW version in Flashed FW version. This new interface will be used by API to instruct the driver to update its cache versions. Signed-off-by:
Sawan Chandak <sawan.chandak@qlogic.com> Signed-off-by:
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Chad Dupuis authored
Unless there is a need to observe them, the queue depth ramp up/down messages are a nuisance and may cause the system to become unresponsive so move it a non-default logging level. Signed-off-by:
Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by:
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Joe Carnuccio authored
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Santosh Vernekar authored
Earlier IDC-TIME-EXTEND aen was a nop and ignored by driver. We now have to handle the aen so that other protocol drivers can use time extension during some loopback operations. Signed-off-by:
Santosh Vernekar <santosh.vernekar@qlogic.com> Signed-off-by:
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Armen Baloyan authored
[SCSI] qla2xxx: Set default critical temperature value in cases when ISPFX00 firmware doesn't provide it Signed-off-by:
Armen Baloyan <armen.baloyan@qlogic.com> Signed-off-by:
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Armen Baloyan authored
[SCSI] qla2xxx: QLAFX00 make over temperature AEN handling informational, add log for normal temperature AEN Signed-off-by:
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Armen Baloyan authored
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Armen Baloyan authored
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Armen Baloyan authored
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Armen Baloyan authored
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Armen Baloyan authored
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Joe Carnuccio authored
Add the missing FCP statistics to sysfs. Add reset FCP statistics functionality via sysfs. Signed-off-by:
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Chad Dupuis authored
[SCSI] qla2xxx: Make log message that prints when a completion status requires a port down more readable. Signed-off-by:
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Armen Baloyan authored
Signed-off-by:
Srinivasa Rao <srinivasa.rao@qlogic.com> Signed-off-by:
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Armen Baloyan authored
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Joe Carnuccio authored
For supported ISPS, Read asic temperature by calling the GET PARAMS (type C) mailbox command. Signed-off-by:
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Joe Carnuccio authored
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Chad Dupuis authored
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Armen Baloyan authored
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Armen Baloyan authored
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Armen Baloyan authored
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Andrew Vasquez authored
Signed-off-by:
Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by:
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Joe Carnuccio authored
list_for_each_entry() never leaves the iterator pointing to null. Signed-off-by:
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Atul Deshmukh authored
[jejb: checkpatch fixes] Signed-off-by:
Atul Deshmukh <atul.deshmukh@qlogic.com> Signed-off-by:
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Oleksandr Khoshaba authored
The patch changes a specifier used to output some variables. Instead of using stack for each byte the '%*ph[CN]' allows to take a one pointer and prints entire buffer as a hexadecimal string with the separator ':' or ''. Signed-off-by:
Oleksandr Khoshaba <Oleksandr.Khoshaba@gmail.com> Signed-off-by:
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Jan Vesely authored
Signed-off-by:
Jan Vesely <jvesely@redhat.com> Acked-by:
Sreekanth Reddy <Sreekanth.Reddy@lsi.com> Signed-off-by:
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Jan Vesely authored
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