- 10 Dec, 2015 2 commits
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Geliang Tang authored
IS_ERR_OR_NULL already contain an unlikely compiler flag. Drop it. Signed-off-by:
Geliang Tang <geliangtang@163.com> Acked-by:
Manoj Kumar <manoj@linux.vnet.ibm.com> Acked-by:
Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Dan Carpenter authored
The "> MAX_CONTEXT" should be ">= MAX_CONTEXT". Otherwise we go one step beyond the end of the cfg->ctx_tbl[] array. Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by:
Johannes Thumshirn <jthumshirn@suse.de> Acked-by:
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- 08 Dec, 2015 1 commit
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Hannes Reinecke authored
With commit 83ea0e5e ("scsi_dh_alua: use scsi_vpd_tpg_id()") these variables became obsolete, but weren't removed. [mkp: Fixed checkpatch warning] Signed-off-by:
Hannes Reinecke <hare@suse.de> Reviewed-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
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- 02 Dec, 2015 22 commits
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Anil Gurumurthy authored
Signed-off-by:
Sudarsana Kalluru <sudarsana.kalluru@qlogic.com> Signed-off-by:
Anil Gurumurthy <anil.gurumurthy@qlogic.com> Reviewed-by:
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Anil Gurumurthy authored
Signed-off-by:
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Anil Gurumurthy authored
Fix a very corner case when the port gets disconnected and the BFA and FCS layers clean up references to the IT nexus. During this window if a task management command is issued by the SCSI-ML and ends up referencing a NULL itnim, it could lead to a crash. Signed-off-by:
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Anil Gurumurthy authored
Signed-off-by:
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Hannes Reinecke authored
Use the common function 'scsi_vpd_tpg_id()' instead of open-coding it in scsi_dh_alua. [mkp: Applied by hand] Signed-off-by:
Johannes Thumshirn <jthumshirn@suse.com> Reviewed-by:
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Hannes Reinecke authored
Implement scsi_vpd_tpg_id() to extract the target port group id and the relative port id from SCSI VPD page 0x83. Reviewed-by:
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Hannes Reinecke authored
Use scsi_vpd_lun_id() to export the world-wide unique id (wwid) to sysfs. Note that this is the 'best' wwid according to the rules in scsi_vpd_lun_id(), not every possible wwid presented by the drive. Signed-off-by:
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Hannes Reinecke authored
Add a function scsi_vpd_lun_id() to return a unique device identifcation based on the designation descriptors of VPD page 0x83. As devices might implement several descriptors the order of preference is: - NAA IEE Registered Extended - EUI-64 based 16-byte - EUI-64 based 12-byte - NAA IEEE Registered - NAA IEEE Extended A SCSI name string descriptor is preferred to all of them if the identification is longer than 16 bytes. The returned unique device identification will be formatted as a SCSI Name string to avoid clashes between different designator types. [mkp: Fixed up kernel doc comment from Johannes] Signed-off-by:
Ewan Milne <emilne@redhat.com> Reviewed-by:
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Hannes Reinecke authored
Most sense code is already handled in the generic code, so we shouldn't be adding special cases here. However, when doing so we need to check for unit attention whenever we're sending an internal command. Signed-off-by:
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Hannes Reinecke authored
Instead of returning an error code in alua_check_tpgs() we should rather return the tpgs mode directly and have a cleaner syntax. Signed-off-by:
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Hannes Reinecke authored
Use 'get_unaligned_XX' and 'put_unaligned_XX' instead of open-coding it. Signed-off-by:
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Hannes Reinecke authored
We should be using a flag when RTPG extended header is not supported, that saves us sending RTPG twice for older arrays. Signed-off-by:
Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by:
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Hannes Reinecke authored
Last caller is gone, so remove it. Signed-off-by:
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Hannes Reinecke authored
Fixup copy-and-paste error in the description of stpg_endio(). Signed-off-by:
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Hannes Reinecke authored
Fixup submit_rtpg() to always return a standard SCSI return code. Signed-off-by:
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Hannes Reinecke authored
Use standard logging functions instead of hand-crafted ones. Signed-off-by:
Bart Van Assche <bvanassche@sandisk.com> Reviewed-by:
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Hannes Reinecke authored
The only check for a valid sense code is calling scsi_normalize_sense() and check the return value. So drop the pointless checks and rely on scsi_normalize_sense() to figure out if the sense code is valid. With that we can also remove the 'senselen' field. Signed-off-by:
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Hannes Reinecke authored
Issue different logging messages if ALUA is not supported or the TPGS setting is invalid. Signed-off-by:
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Hannes Reinecke authored
The SCSI device now has the VPD page 0x83 information attached, so there is no need to query it again. [mkp: Fixed a checkpatch warning] Signed-off-by:
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Hannes Reinecke authored
Non-disk devices might support ALUA, but the firmware implementation is untested and frequently broken. As we're don't actually need it disable ALUA support for non-disk device for now. Signed-off-by:
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Hannes Reinecke authored
device handler initialisation might fail due to a number of reasons. But as device_handlers are optional this shouldn't cause us to disable the device entirely. So just ignore errors from scsi_dh_add_device(). Reviewed-by:
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Hannes Reinecke authored
As scsi_dh.c is now always compiled in we should be moving the 'dh_state' attribute to the generic code. Reviewed-by:
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- 01 Dec, 2015 2 commits
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Luis de Bethencourt authored
Fix a smatch warning: drivers/scsi/mvsas/mv_sas.c:740 mvs_task_prep() warn: curly braces intended? The code is correct, the indention is misleading. When the device is not ready we want to return SAS_PHY_DOWN. But current indentation makes it look like we only do so in the else branch of if (mvi_dev). Signed-off-by:
Luis de Bethencourt <luisbg@osg.samsung.com> Reviewed-by:
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Colin Ian King authored
Minor issue, fix spelling mistake, Intialization -> Initialization Signed-off-by:
Colin Ian King <colin.king@canonical.com> Reviewed-by:
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- 30 Nov, 2015 11 commits
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Ching Huang authored
Change driver version to v1.30.00.22-20151126 Signed-off-by:
Ching Huang <ching2048@areca.com.tw> Reviewed-by:
Tomas Henzl <thenzl@redhat.com> Signed-off-by:
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Ching Huang authored
Split dma resource allocation and io register assignment from get_config to a new function arcmsr_alloc_io_queue. Signed-off-by:
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Ching Huang authored
Signed-off-by:
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Ching Huang authored
Changes driver version number. Signed-off-by:
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Ching Huang authored
Support Areca's new PCIe to SATA RAID adapter ARC1203. Signed-off-by:
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Ching Huang authored
[mkp: Fixed checkpatch whitespace warning] Signed-off-by:
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Ching Huang authored
Releasing allocated resource if get configuration data failed. Signed-off-by:
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Ching Huang authored
Fixed getting wrong configuration data of adapter type B and type D. Signed-off-by:
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Bart Van Assche authored
Use scsi_host_{get,put}() instead of open-coding these functions. Compile-tested only. [mkp: Dropped CC:stable and fixed James Smart's email address] Signed-off-by: -
Andy Shevchenko authored
Even for signed types we have to check for bigger positive value first. Otherwise it will be never happened. Signed-off-by:
Andy Shevchenko <andy.shevchenko@gmail.com> Acked-by:
Douglas Gilbert <dgilbert@interlog.com> Reviewed-by:
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Hannes Reinecke authored
The VPD page information might change, so we need to be able to update it. This patch implements a VPD page rescan whenever the 'rescan' sysfs attribute is triggered. Signed-off-by:
Shane Seymour <shane.seymour@hpe.com> Signed-off-by:
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- 26 Nov, 2015 2 commits
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Fengguang Wu authored
Signed-off-by:
Fengguang Wu <fengguang.wu@intel.com> Reviewed-by:
Mahesh Rajashekhara <Mahesh.Rajashekhara@pmcs.com> Signed-off-by:
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Arnd Bergmann authored
do_div is the wrong way to divide a sector_t, as it is less efficient when sector_t is 32-bit wide. With the upcoming do_div optimizations, the kernel starts warning about this: drivers/scsi/scsi_debug.c: In function 'dif_store': include/asm-generic/div64.h:207:28: warning: comparison of distinct pointer types lacks a cast This changes the code to use sector_div instead, which always produces optimal code. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Reviewed-by:
Sagi Grimberg <sagig@mellanox.com> Reviewed-by:
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