| Age | Commit message (Collapse) | Author | Files | Lines |
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If multiple ELS commands time out, such as aborts, they could all try to
restart the same rport and the same time. This could mean multiple
multiple processes trying to clean up any outstanding commands or trying
to upload the same port.
Add a new flag (QEDF_RPORT_IN_RESET) and check other fcport state flags
before trying to reset the port.
Fixes the crash:
[17501.824701] ------------[ cut here ]------------
[17501.824733] kernel BUG at include/asm-generic/dma-mapping-common.h:65!
[17501.824760] invalid opcode: 0000 [#1] SMP
[17501.824781] Modules linked in: xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT nf_reject_ipv4 tun bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ses enclosure dm_service_time vfat fat sb_edac edac_core intel_powerclamp coretemp intel_rapl iosf_mbi kvm_intel kvm irqbypass joydev btrfs hpilo raid6_pq iTCO_wdt iTCO_vendor_support xor hpwdt ipmi_ssif sg crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul ioatdma lpc_ich glue_helper ablk_helper i2c_i801 shpchp cryptd ipmi_si pcspkr acpi_power_meter ipmi_devintf pcc_cpufreq dca wmi ipmi_msghandler dm_multipath nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sr_mod cdrom sd_mod
[17501.825119] crc_t10dif crct10dif_generic mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm qedf(OE) drm libfcoe ahci qedi(OE) crct10dif_pclmul libfc libahci uio crct10dif_common crc32c_intel libiscsi libata scsi_transport_iscsi scsi_transport_fc tg3 qede(OE) scsi_tgt hpsa qed(OE) i2c_core ptp scsi_transport_sas pps_core iscsi_boot_sysfs dm_mirror dm_region_hash dm_log dm_mod
[17501.825292] CPU: 8 PID: 10531 Comm: kworker/u96:1 Tainted: G OE ------------ 3.10.0-693.el7.x86_64 #1
[17501.825330] Hardware name: HP ProLiant DL380 Gen9/ProLiant DL380 Gen9, BIOS P89 06/02/2016
[17501.825372] Workqueue: fc_rport_eq fc_rport_work [libfc]
[17501.825395] task: ffff88101bca8000 ti: ffff881025278000 task.ti: ffff881025278000
[17501.825424] RIP: 0010:[<ffffffffc042def9>] [<ffffffffc042def9>] qedf_unmap_sg_list.isra.15+0x89/0x90 [qedf]
[17501.825471] RSP: 0018:ffff88102527bb98 EFLAGS: 00010212
[17501.825493] RAX: ffff8800224eac00 RBX: ffffc9000cd05210 RCX: 0000000000001000
[17501.825520] RDX: 000000007e655e40 RSI: 0000000000001000 RDI: ffff88107fe3b098
[17501.826683] RBP: ffff88102527bba0 R08: ffffffff81a13200 R09: 0000000000000286
[17501.827747] R10: 0000000000000004 R11: 0000000000000005 R12: ffffc9000cd051b8
[17501.828804] R13: ffff881037640c28 R14: 0000000000000007 R15: ffffc9000cd05200
[17501.829850] FS: 0000000000000000(0000) GS:ffff88103fa00000(0000) knlGS:0000000000000000
[17501.830910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[17501.831966] CR2: 00007f9b94005f38 CR3: 00000000019f2000 CR4: 00000000003407e0
[17501.833027] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[17501.834087] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[17501.835142] Stack:
[17501.836201] ffff881033ddbb80 ffff88102527bc30 ffffffffc042f834 0000000000002710
[17501.837264] ffff88102527bbd0 ffffffff8133d9dd ffffc9000cd052a0 ffff88102527bc30
[17501.838325] ffffffff816a9c65 0000000000000001 ffff88101bca8000 ffffffff810c4810
[17501.839388] Call Trace:
[17501.840446] [<ffffffffc042f834>] qedf_scsi_done+0x54/0x1d0 [qedf]
[17501.841504] [<ffffffff8133d9dd>] ? list_del+0xd/0x30
[17501.842537] [<ffffffff816a9c65>] ? wait_for_completion_timeout+0x125/0x140
[17501.843560] [<ffffffff810c4810>] ? wake_up_state+0x20/0x20
[17501.844577] [<ffffffffc0430311>] qedf_initiate_cleanup+0x2e1/0x310 [qedf]
[17501.845587] [<ffffffffc04305fe>] qedf_flush_active_ios+0x10e/0x260 [qedf]
[17501.846612] [<ffffffffc042892f>] qedf_cleanup_fcport+0x5f/0x370 [qedf]
[17501.847613] [<ffffffffc04292d8>] qedf_rport_event_handler+0x398/0x950 [qedf]
[17501.848602] [<ffffffff810cdc7c>] ? dequeue_entity+0x11c/0x5d0
[17501.849581] [<ffffffff81098a2b>] ? __internal_add_timer+0xab/0x130
[17501.850555] [<ffffffff810ce54e>] ? dequeue_task_fair+0x41e/0x660
[17501.851528] [<ffffffffc03241a4>] fc_rport_work+0xf4/0x6c0 [libfc]
[17501.852490] [<ffffffff810a881a>] process_one_work+0x17a/0x440
[17501.853446] [<ffffffff810a94e6>] worker_thread+0x126/0x3c0
Signed-off-by: Chad Dupuis <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Signed-off-by: Himanshu Madhani <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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For target mode, task management command is queued to specific cpu base
on where the SCSI command is residing. This prevent race condition of
task management command getting ahead of regular scsi command.
Signed-off-by: Quinn Tran <[email protected]>
Signed-off-by: Himanshu Madhani <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Signed-off-by: Himanshu Madhani <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Signed-off-by: Quinn Tran <[email protected]>
Signed-off-by: Himanshu Madhani <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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- Uses predefine inline function to access add_cdb_len field in ATIO.
- Return SS_RESIDUAL_UNDER status when sending BUSY
Signed-off-by: Quinn Tran <[email protected]>
Signed-off-by: Himanshu Madhani <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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When a connection is established, the target core session may not be
created immediately. Current code will drop/terminate the command based
on the session state. This patch will return BUSY status for any
commands arriving on wire before the session is created.
Signed-off-by: Quinn Tran <[email protected]>
Signed-off-by: Himanshu Madhani <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Move GPSC & GFPNID commands out of session management to reduce time lag
in reporting the session state to remote port. These commands are not
essential when it comes to maintaining the rport state. Delay sending
these commands after rport state is set to Online.
Signed-off-by: Quinn Tran <[email protected]>
Signed-off-by: Himanshu Madhani <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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For each RSCN that triggers a rescan of the fabric, ADISC is used to
revalidate an existing session. If the RSCN is not affecting all
existing sessions, then driver should not send redundant ADISC for all
existing sessions.
Signed-off-by: Quinn Tran <[email protected]>
Signed-off-by: Himanshu Madhani <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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This patch fixes regression introduced by commit a4239945b8ad ("scsi:
qla2xxx: Add switch command to simplify fabric discovery") by scheduling
session deletion when Nport ID changes.
[mkp: clarified commit]
Fixes: a4239945b8ad ("scsi: qla2xxx: Add switch command to simplify fabric discovery")
Cc: <[email protected]>
Signed-off-by: Quinn Tran <[email protected]>
Signed-off-by: Himanshu Madhani <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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This patch fixes rport state and session state getting out of sync.
Signed-off-by: Quinn Tran <[email protected]>
Signed-off-by: Himanshu Madhani <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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This patch fixes login_retry login for ADISC command.
when login_retry count reaches 0, further attempt to send ADISC command
is ignored by the code. Remove this redundant login_retry count check
from qla24xx_fcport_handle_login()
[mkp: fix typo]
Signed-off-by: Quinn Tran <[email protected]>
Signed-off-by: Himanshu Madhani <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Update driver version to match OOB/internal driver version.
Signed-off-by: Chaitra P B <[email protected]>
Signed-off-by: Suganath Prabu S <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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In ioctl exit path driver refers ioc_list to free memory associated with
diag buffers and event_log pointer used to save events by driver.
If ctl_exit() func is called after unregistering driver, then ioc_list will
be empty and hence driver will not be able to free the allocated memory
which in turn causes memory leak.
So call ctl_exit() function before unregistering mpt3sas driver.
Signed-off-by: Chaitra P B <[email protected]>
Signed-off-by: Suganath Prabu S <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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1) Manufacturing Page 11 contains parameters to control internal
firmware behavior. Based on AddlFlags2 field FW/Driver behaviour can
be changed, (flag tm_custom_handling is used for this)
a) For PCIe device, protocol level reset should be used if flag
tm_custom_handling is 0. Since Abort Task Set, LUN reset and Target
reset will result in a protocol level reset. Drivers should issue
only one type of this reset, if that fails then it should escalate to
a controller reset (diag reset/OCR).
b) If the driver has control over the TM reset timeout value, then
driver should use the value exposed in PCIe Device Page 2 for pcie
device (field ControllerResetTO).
Signed-off-by: Chaitra P B <[email protected]>
Signed-off-by: Suganath Prabu S <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Update MPI Files to support protocol level reset for NVMe device.
Signed-off-by: Chaitra P B <[email protected]>
Signed-off-by: Suganath Prabu S <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Added function _base_display_fwpkg_version, which sends FWUpload request
to pull FW package version from FW Image Header. Now driver prints FW
package version in addition to FW version if the PackageVersion is
valid.
Signed-off-by: Chaitra P B <[email protected]>
Signed-off-by: Suganath Prabu S <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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In function _scsih_add_device, for each device connected to an
enclosure, driver reads the enclosure page(To get details like enclosure
handle, enclosure logical ID, enclosure level etc.)
With this patch, instead of reading enclosure page everytime, driver
maintains a list for enclosure device(During enclosure add event,
enclosure device is added to the list and removed from the list on
delete events) and uses the enclosure page from the list.
Signed-off-by: Chaitra P B <[email protected]>
Signed-off-by: Suganath Prabu S <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Events were not processed during driver unload, hence unloading of
driver doesn't complete when drives are disconnected while unloading of
driver. So don't block events in ISR path, i,e., remove the flag
ioc->remove_host so that events are getting processed during driver
unload. Thus allowing driver unload to complete by processing drive
removal events during driver unload.
Signed-off-by: Chaitra P B <[email protected]>
Signed-off-by: Suganath Prabu S <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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For 24 port HBA's events generated by IOC are more in certain cases and
the current circular buffer may be overwritten.Hence increased the event
log buffer to accommodate more events.
Signed-off-by: Chaitra P B <[email protected]>
Signed-off-by: Suganath Prabu S <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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The SAS Device Discovery Error Event is sent to the host when discovery
for a particular device is failed during discovery, even after maximum
retries by the IOC.
Signed-off-by: Chaitra P B <[email protected]>
Signed-off-by: Suganath Prabu S <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Enhanced DMA allocation for Sense Buffer, if the allocation does not fit
within same 4GB.Introduced is_MSB_are_same function to check if allocted
buffer within 4GB range or not.
Signed-off-by: Chaitra P B <[email protected]>
Signed-off-by: Suganath Prabu S <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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For every IO, memory of PAGE size is allocated for handling NVMe native
PRPS. And in addition to that for every IO (chains need per IO * chain
buffer size, e.g. 38 * 128byte) amount of memory is allocated for chain
buffers.
However, at any point of time; the IO request can be for NVMe target
device (where PRP's page is used for framing PRP's) or can be for SCSI
target device (where chain buffers are used for framing chain
SGE's). This patch modifies the driver to reuse same pre-allocated PRP
page buffers as a chain buffer for IO's targeted for SCSI target
devices. No need to allocate separate buffers for chain SGE's buffers.
Suppose if the number of chain buffers need for IO doesn't fit in the
PRP Page size then driver maintain's separate buffers for those extra
chain buffers that exceeds the PRP page size. For example consider PRP
page size as 4K and chain buffer size as 128 bytes, then number of chain
buffers that can fit in PRP page is 4096/128 => 32. if the number of
chain buffer need per IO exceeds 32; for example consider number of
chains need per IO is 36 then for remaining 4 chain buffer's driver
allocates them individual.
Signed-off-by: Chaitra P B <[email protected]>
Signed-off-by: Suganath Prabu S <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Introduces Chain lookup table/tracker and implements accessing chain
buffer using smid. Removed link list based access of chain buffer which
requires lock and allocated as many chains needed.
Signed-off-by: Chaitra P B <[email protected]>
Signed-off-by: Suganath Prabu S <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Instead of allocating RDPQ array (This stores the address's of each RDPQ
pools) at run time, now it will be allocated once during driver load
time and same will be reused during host reset operation also (instead
of allocating & freeing this buffer on the fly during every host reset
operation) and then freed during driver unload.
Signed-off-by: Chaitra P B <[email protected]>
Signed-off-by: Suganath Prabu S <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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This patch fixes sparse warnings and bugs on big endian systems.
Signed-off-by: Chaitra P B <[email protected]>
Signed-off-by: Suganath Prabu S <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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This patch adds driver changes for supporting the Unified Fabric Port
(UFP). This is a new paritioning mode wherein MFW provides the set of
parameters to be used by the device such as traffic class, outer-vlan
tag value, priority type etc. Drivers receives this info via notifications
from mfw and configures the hardware accordingly.
Signed-off-by: Sudarsana Reddy Kalluru <[email protected]>
Signed-off-by: Ariel Elior <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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We can rely on the dma-mapping code to handle any DMA limits that is
bigger than the ISA DMA mask for us (either using an iommu or swiotlb),
so remove setting the block layer bounce limit for anything but the
unchecked_isa_dma case, or the bouncing for highmem pages.
Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Jens Axboe <[email protected]>
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Trivial fix to spelling mistake in module parameter description text
[mkp: applied by hand]
Signed-off-by: Colin Ian King <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Trivial fix to spelling mistake in module parameter description text
[mkp: applied by hand]
Signed-off-by: Colin Ian King <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Trivial fix to spelling mistake in module description text
Signed-off-by: Colin Ian King <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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The sanity check on u->in_connection_align_insertion_frequency is being
performed twice and hence the first check can be removed since it is
redundant. Cleans up cppcheck warning:
drivers/scsi/ibmvscsi/ibmvscsi.c:1711: (warning) Identical inner 'if'
condition is always true.
Signed-off-by: Colin Ian King <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Remove boilerplate code by using macro module_pci_driver.
Signed-off-by: YueHaibing <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Remove boilerplate code by using macro module_pci_driver.
Signed-off-by: YueHaibing <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Remove boilerplate code by using macro module_pci_driver.
Signed-off-by: YueHaibing <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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commit b60710ec7d7a ("scsi: aacraid: enable sending of TMFs from
aac_hba_send()") allows aac_hba_send() to send scsi commands, and TMF
requests, but the existing code only updates the iu_type for scsi
commands. For TMF requests we are sending an unknown iu_type to
firmware, which causes a fault.
Include iu_type prior to determining the validity of the command
Reported-by: Noah Misner <[email protected]>
Fixes: b60710ec7d7ab ("aacraid: enable sending of TMFs from aac_hba_send()")
Fixes: 423400e64d377 ("aacraid: Include HBA direct interface")
Tested-by: Noah Misner <[email protected]>
cc: [email protected]
Signed-off-by: Dave Carroll <[email protected]>
Reviewed-by: Raghava Aditya Renukunta <[email protected]>
Reviewed-by: Brian King <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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The vmw_pvscsi driver returns DID_ABORT for commands aborted internally
by the adapter, leading to the filesystem going read-only. Change the
result to DID_BUS_BUSY, causing the kernel to retry the command.
Signed-off-by: Jim Gill <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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All three instance of ->smp_handler deal with highmem backed requests
just fine.
Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Johannes Thumshirn <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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do_gettimeofday() is deprecated since it will stop working in 2038 on
32-bit platforms, leading to incorrect times passed to the firmware.
On 64-bit platforms the current code appears to be fine, as the
calculation passes an 8-bit century number into the firmware that can
represent times long in the future (possibly until 25599).
Using ktime_get_real_seconds() to get a 64-bit seconds value and
time64_to_tm() to convert it into the firmware format greatly simplifies
the ips timekeeping code, makes 32-bit and 64-bit behave the same way
here, and gets us closer to removing the deprecated interfaces.
Signed-off-by: Arnd Bergmann <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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do_gettimeofday() is deprecated because of the y2038 overflow. Here, we
use the result to pass into a 32-bit field in the firmware, which still
risks an overflow, but if the firmware is written to expect unsigned
values, it can at least last until y2106, and there is not much we can
do about it.
This changes do_gettimeofday() to ktime_get_real_seconds(), which at
least simplifies the code a bit, and avoids the deprecated
interface. I'm adding a comment about the overflow to document what
happens.
Signed-off-by: Arnd Bergmann <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Remove boilerplate code by using macro module_pci_driver.
Signed-off-by: YueHaibing <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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In the case when the phy_mask is bitwise anded with the phy_index bit is
zero the continue statement currently jumps to the next iteration of the
while loop and phy_index is never actually incremented, potentially
causing an infinite loop if phy_index is less than SCI_MAX_PHS. Fix this
by turning the while loop into a for loop.
Signed-off-by: Colin Ian King <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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new_tape_buffer() is never called in atomic context. new_tape_buffer()
is only called by st_probe(), which is only set as ".probe" in struct
scsi_driver.
Despite never getting called from atomic context, new_tape_buffer()
calls kzalloc() with GFP_ATOMIC, which does not sleep for allocation.
GFP_ATOMIC is not necessary and can be replaced with GFP_KERNEL, which
can sleep and improve the possibility of sucessful allocation.
This is found by a static analysis tool named DCNS written by myself.
And I also manually check it.
Signed-off-by: Jia-Ju Bai <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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st_probe() is never called in atomic context. st_probe() is only set as
".probe" in struct scsi_driver.
Despite never getting called from atomic context, st_probe() calls
kzalloc() with GFP_ATOMIC, which does not sleep for allocation.
GFP_ATOMIC is not necessary and can be replaced with GFP_KERNEL, which
can sleep and improve the possibility of sucessful allocation.
This is found by a static analysis tool named DCNS written by myself.
And I also manually check it.
Signed-off-by: Jia-Ju Bai <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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On Fujitsu ETERNUS systems, sense code ABORTED COMMAND with ASC/Q C1/01
is used to indicate temporary condition where the storage-internal path
to a target is switched from one controller to another. SCSI commands
that return with this error code must be retried unconditionally
(i.e. without the "maybe_retry" logic in scsi_decide_disposition);
otherwise dm-multipath might initiate a failover from a healthy path
e.g. for REQ_FAILFAST_DEV commands.
Introduce a new blist flag for this case.
[mkp: applied by hand]
Signed-off-by: Martin Wilck <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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EMC Symmetrix returns 'internal target error' for a variety of
conditions, most of which will be transient. So we should always retry
it, even with failfast set. Otherwise we'd get spurious path flaps with
multipath.
Signed-off-by: Martin Wilck <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Warn if a device (or the user) sets blist flags which are unknown
or have been removed. This should enable us to reuse freed blist
bits in later releases.
Signed-off-by: Martin Wilck <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Space for SCSI blist flags is gradually running out. Change the type to
__u64 and fix a checkpatch complaint about symbolic mode flags in
scsi_devinfo.c.
Make checkpatch happy by replacing simple_strtoul() with kstrtoull().
Signed-off-by: Martin Wilck <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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Use the just introduced const_ilog2() macro to avoid sparse errors.
Signed-off-by: Martin Wilck <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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to write
This is a best effort for estimating on how busy the ring buffer is for
that channel, based on available buffer to write in percentage. It is
still possible that at the time of actual ring buffer write, the space
may not be available due to other processes may be writing at the time.
Selecting a channel based on how full it is can reduce the possibility
that a ring buffer write will fail, and avoid the situation a channel is
over busy.
Now it's possible that storvsc can use a smaller ring buffer size
(e.g. 40k bytes) to take advantage of cache locality.
Signed-off-by: Long Li <[email protected]>
Reviewed-by: Stephen Hemminger <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
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