- 08 May, 2020 3 commits
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Viacheslav Dubeyko authored
Currently, FC target reset finishes with the warning message: [84010.596893] ------------[ cut here ]------------ [84010.596917] WARNING: CPU: 238 PID: 279973 at ../drivers/scsi/qla2xxx/qla_target.c:6644 qlt_enable_vha+0x1d0/0x260 [qla2xxx] [84010.596918] Modules linked in: vrf af_packet 8021q garp mrp stp llc netlink_diag target_tatlin_tblock(OEX) dm_ec(OEX) ttln_rdma(OEX) dm_frontend(OEX) nvme_rdma nvmet tcm_qla2xxx iscsi_target_mod target_core_mod at24 nvmem_core pnv_php ipmi_watchdog ipmi_ssif vmx_crypto gf128mul crct10dif_vpmsum qla2xxx rpcrdma nvme_fc powernv_flash(X) nvme_fabrics uio_pdrv_genirq mtd rtc_opal(X) ibmpowernv(X) opal_prd(X) uio scsi_transport_fc i2c_opal(X) ses enclosure ipmi_poweroff ast i2c_algo_bit ttm bmc_mcu(OEX) drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm drm_panel_orientation_quirks agpgart nfsd auth_rpcgss nfs_acl ipmi_powernv(X) lockd ipmi_devintf ipmi_msghandler grace dummy ext4 crc16 jbd2 mbcache sd_mod rdma_ucm ib_iser rdma_cm ib_umad iw_cm ib_ipoib libiscsi scsi_transport_iscsi ib_cm [84010.596975] configfs mlx5_ib ib_uverbs ib_core mlx5_core crc32c_vpmsum xhci_pci xhci_hcd mpt3sas(OEX) tg3 usbcore mlxfw tls raid_class libphy scsi_transport_sas devlink ptp pps_core nvme nvme_core sunrpc dm_mirror dm_region_hash dm_log sg dm_multipath dm_mod scsi_dh_rdac scsi_dh_emc scsi_dh_alua scsi_mod autofs4 [84010.597001] Supported: Yes, External [84010.597004] CPU: 238 PID: 279973 Comm: bash Tainted: G OE 4.12.14-197.29-default #1 SLE15-SP1 [84010.597006] task: c000000a104c0000 task.stack: c000000b52188000 [84010.597007] NIP: d00000001ffd7f78 LR: d00000001ffd7f6c CTR: c0000000001676c0 [84010.597008] REGS: c000000b5218b910 TRAP: 0700 Tainted: G OE (4.12.14-197.29-default) [84010.597008] MSR: 900000010282b033 <SF,HV,VEC,VSX,EE,FP,ME,IR,DR,RI,LE,TM[E]> [84010.597015] CR: 48242424 XER: 00000000 [84010.597016] CFAR: d00000001ff45d08 SOFTE: 1 GPR00: d00000001ffd7f6c c000000b5218bb90 d00000002001b228 0000000000000102 GPR04: 0000000000000001 0000000000000001 00013d91ed0a5e2d 0000000000000000 GPR08: c000000007793300 0000000000000000 0000000000000000 c000000a086e7818 GPR12: 0000000000002200 c000000007793300 0000000000000000 000000012bc937c0 GPR16: 000000012bbf7ed0 0000000000000000 000000012bc3dd10 0000000000000000 GPR20: 000000012bc4db28 0000010036442810 000000012bc97828 000000012bc96c70 GPR24: 00000100365b1550 0000000000000000 00000100363f3d80 c000000be20d3080 GPR28: c000000bda7eae00 c000000be20db7e8 c000000be20d3778 c000000be20db7e8 [84010.597042] NIP [d00000001ffd7f78] qlt_enable_vha+0x1d0/0x260 [qla2xxx] [84010.597051] LR [d00000001ffd7f6c] qlt_enable_vha+0x1c4/0x260 [qla2xxx] [84010.597051] Call Trace: [84010.597061] [c000000b5218bb90] [d00000001ffd7f6c] qlt_enable_vha+0x1c4/0x260 [qla2xxx] (unreliable) [84010.597064] [c000000b5218bc20] [d000000009820b6c] tcm_qla2xxx_tpg_enable_store+0xc4/0x130 [tcm_qla2xxx] [84010.597067] [c000000b5218bcb0] [d0000000185d0e68] configfs_write_file+0xd0/0x190 [configfs] [84010.597072] [c000000b5218bd00] [c0000000003d0edc] __vfs_write+0x3c/0x1e0 [84010.597074] [c000000b5218bd90] [c0000000003d2ea8] vfs_write+0xd8/0x220 [84010.597076] [c000000b5218bde0] [c0000000003d4ddc] SyS_write+0x6c/0x110 [84010.597079] [c000000b5218be30] [c00000000000b188] system_call+0x3c/0x130 [84010.597080] Instruction dump: [84010.597082] 7d0050a8 7d084b78 7d0051ad 40c2fff4 7fa3eb78 4bf73965 60000000 7fa3eb78 [84010.597086] 4bf6dcd9 60000000 2fa30000 419eff40 <0fe00000> 4bffff38 e95f0058 a12a0180 [84010.597090] ---[ end trace e32abaf6e6fee826 ]--- To reproduce: echo 0x7fffffff > /sys/module/qla2xxx/parameters/logging modprobe target_core_mod modprobe tcm_qla2xxx mkdir /sys/kernel/config/target/qla2xxx mkdir /sys/kernel/config/target/qla2xxx/<port-name> mkdir /sys/kernel/config/target/qla2xxx/<port-name>/tpgt_1 echo 1 > /sys/kernel/config/target/qla2xxx/<port-name>/tpgt_1/enable echo 0 > /sys/kernel/config/target/qla2xxx/<port-name>/tpgt_1/enable echo 1 > /sys/kernel/config/target/qla2xxx/<port-name>/tpgt_1/enable SYSTEM START kernel: pid 327:drivers/scsi/qla2xxx/qla_init.c:2174 qla2x00_initialize_adapter(): vha->flags.online 0x0 <...> kernel: pid 327:drivers/scsi/qla2xxx/qla_os.c:3444 qla2x00_probe_one(): vha->flags.online 0x1 echo 1 > /sys/kernel/config/target/qla2xxx/21:00:00:24:ff:86:a6:2a/tpgt_1/enable kernel: pid 348:drivers/scsi/qla2xxx/qla_init.c:6641 qla2x00_abort_isp_cleanup(): vha->flags.online 0x0, ISP_ABORT_NEEDED 0x0 <...> kernel: pid 348:drivers/scsi/qla2xxx/qla_init.c:6998 qla2x00_restart_isp(): vha->flags.online 0x0 echo 0 > /sys/kernel/config/target/qla2xxx/21:00:00:24:ff:86:a6:2a/tpgt_1/enable kernel: pid 348:drivers/scsi/qla2xxx/qla_init.c:6641 qla2x00_abort_isp_cleanup(): vha->flags.online 0x0, ISP_ABORT_NEEDED 0x0 <...> kernel: pid 1404:drivers/scsi/qla2xxx/qla_os.c:1107 qla2x00_wait_for_hba_online(): base_vha->flags.online 0x0 echo 1 > /sys/kernel/config/target/qla2xxx/21:00:00:24:ff:86:a6:2a/tpgt_1/enable kernel: pid 1404:drivers/scsi/qla2xxx/qla_os.c:1107 qla2x00_wait_for_hba_online(): base_vha->flags.online 0x0 kernel: -----------[ cut here ]----------- kernel: WARNING: CPU: 1 PID: 1404 at drivers/scsi/qla2xxx/qla_target.c:6654 qlt_enable_vha+0x1e0/0x280 [qla2xxx] The issue happens because no real ISP reset is executed. The qla2x00_abort_isp(scsi_qla_host_t *vha) function expects that vha->flags.online will be not zero for ISP reset procedure. This patch sets vha->flags.online to 1 before calling ->abort_isp() for starting the ISP reset. Link: https://lore.kernel.org/r/1d7b21bf9f7676643239eb3d60eaca7cfa505cf0.camel@yadro.comReviewed-by:Roman Bolshakov <r.bolshakov@yadro.com> Signed-off-by:
Viacheslav Dubeyko <v.dubeiko@yadro.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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Hannes Reinecke authored
Leftover from cmd_list removal. Link: https://lore.kernel.org/r/20200507062642.100612-1-hare@suse.de Fixes: c5a97076 ("scsi: core: Remove cmd_list functionality") Reviewed-by:
Bart Van Assche <bvanassche@acm.org> Reviewed-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
Hannes Reinecke <hare@suse.de> Signed-off-by:
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Damien Le Moal authored
Allowing a non-power-of-2 zone size forces the use of direct division operations of 64-bit sector values to obtain a zone number or number of zones. Doing so without using do_div() leads to compilation errors on 32-bit architectures. Devices with a zone size that is not a power of 2 do not exist today so allowing their emulation is of limited interest as the sd driver will not support them anyway. To fix this compilation error, instead of using do_div() for sector values divisions, simply disallow zone size values that are not a power of 2. [mkp: commit desc] Link: https://lore.kernel.org/r/20200507023526.221574-1-damien.lemoal@wdc.com Fixes: 98e0a689 ("scsi: scsi_debug: Add zone_size_mb module parameter") Fixes: f0d1cf93 ("scsi: scsi_debug: Add ZBC zone commands") Reviewed-by:
Johannes Thumshirn <johannes.thumshirn@wdc.com> Acked-by:
Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
Damien Le Moal <damien.lemoal@wdc.com> Signed-off-by:
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- 05 May, 2020 15 commits
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Damien Le Moal authored
Implement ZBC host-aware device model emulation. The main changes from the host-managed emulation are the device type (TYPE_DISK is used), relaxation of access checks for read and write operations and different handling of a sequential write preferred zone write pointer as mandated by the ZBC r05 specifications. To facilitate the implementation and avoid a lot of "if" statement, the zmodel field is added to the device information and the z_type field to the zone state data structure. Link: https://lore.kernel.org/r/20200422104221.378203-8-damien.lemoal@wdc.comTested-by:
Douglas Gilbert <dgilbert@interlog.com> Signed-off-by:
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Damien Le Moal authored
Add the zone_size_mb module parameters to control the zone size of a ZBC device. If the zone size specified is not a divisor of the device capacity, the last zone of the device will be created as a smaller "runt" zone. This parameter is ignored for device types other than 0x14 (zbc=2 case). Note: for testing purposes, zone sizes that are not a power of 2 are accepted but will result in the drive being rejected by the sd driver. Link: https://lore.kernel.org/r/20200422104221.378203-7-damien.lemoal@wdc.comSigned-off-by:
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Damien Le Moal authored
Allow controlling the number of conventional zones of a ZBC device with the new zone_nr_conv module parameter. The default value is 1 and the specified value must be less than the total number of zones of the device. This parameter is ignored for device types other than 0x14 (zbc=2 case). Link: https://lore.kernel.org/r/20200422104221.378203-6-damien.lemoal@wdc.comSigned-off-by:
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Damien Le Moal authored
Add the zone_max_open module parameters to control the maximum number of open zones of a ZBC device. This parameter is ignored for device types other than 0x14 (zbc=2 case). Link: https://lore.kernel.org/r/20200422104221.378203-5-damien.lemoal@wdc.comSigned-off-by:
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Douglas Gilbert authored
Add the zbc module parameter to take either: 0: none (probably a conventional disk) 1: host-aware 2: host-managed These values are chosen to match 'enum blk_zoned_model' found in include/linux/blkdev.h . Instead of "none", "no" or "0" can be given. Instead of "host-aware", "aware or "1" can be given. Instead of "host-managed", "managed" or "2" can be given. Note: the zbc parameter can only be given at driver/module load time; it cannot be changed via sysfs thereafter. At this time there is no ZBC "host-aware" implementation so that string (or the value '1') results in a modprobe error. Link: https://lore.kernel.org/r/20200422104221.378203-4-damien.lemoal@wdc.comSigned-off-by: -
Douglas Gilbert authored
Add support for the 5 ZBC commands and enough functionality to emulate a host-managed device with one conventional zone and a set of sequential write-required zones up to the disk capacity. Link: https://lore.kernel.org/r/20200422104221.378203-3-damien.lemoal@wdc.comSigned-off-by:
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Douglas Gilbert authored
The ZBC standard "piggy-backs" on many, but not all, of the facilities in SBC. Add those ZBC mode pages (plus mode parameter block descriptors (e.g. "WP")) and VPD pages in common with SBC. Add ZBC specific VPD page for the host-managed ZBC device type (ptype=0x14). Link: https://lore.kernel.org/r/20200422104221.378203-2-damien.lemoal@wdc.comSigned-off-by:
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Douglas Gilbert authored
The scsi_debug driver version is visible in: /sys/modules/scsi_debug/version and can thus be used by user space programs to alter the features they try to use. Since the per_host_store and zbc/zone options are significant additions, bump the version number to 1.89 . Link: https://lore.kernel.org/r/20200421151424.32668-9-dgilbert@interlog.comSigned-off-by:
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Douglas Gilbert authored
This module has a lot of parameters and when searching for one, the author prefers them in alphabetical order. This can lead to somewhat illogical ordering (e.g. inq_product before inq_vendor). However it is not clear what another sensible total logical ordering would be. Link: https://lore.kernel.org/r/20200421151424.32668-8-dgilbert@interlog.comSigned-off-by:
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Douglas Gilbert authored
Many disks implement the SCSI PRE-FETCH commands. One use case might be a disk-to-disk compare, say between disks A and B. Then this sequence of commands might be used: PRE-FETCH(from B, IMMED), READ(from A), VERIFY (BYTCHK=1 on B with data returned from READ). The PRE-FETCH (which returns quickly due to the IMMED) fetches the data from the media into B's cache which should speed the trailing VERIFY command. The next chunk of the compare might be done in parallel, with A and B reversed. The implementation tries to bring the specified range in main memory into the cache(s) associated with this machine's CPU(s) using the prefetch_range() function. Link: https://lore.kernel.org/r/20200421151424.32668-7-dgilbert@interlog.comSigned-off-by:
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Douglas Gilbert authored
Previously the code did the work implied by the given SCSI command and after that it waited for a timer based on the user specified command duration to be exhausted before informing the mid-level that the command was complete. For short command durations, the time to complete the work implied by the SCSI command could be significant compared to the user specified command duration. For example a WRITE of 128 blocks (say 512 bytes each) on a machine that can copy from main memory to main memory at a rate of 10 GB/sec will take around 6.4 microseconds to do that copy. If the user specified a command duration of 5 microseconds (ndelay=5000), should the driver do a further delay of 5 microseconds after the copy or return immediately because 6.4 > 5 ? The action prior to this patch was to always do the timer based delay. After this patch, for ndelay values less than 1 millisecond, this driver will complete the command immediately. And in the case where the user specified delay was 7 microseconds, a timer delay of 600 nanoseconds will be set ((7 - 6.4) * 1000). Link: https://lore.kernel.org/r/20200421151424.32668-6-dgilbert@interlog.comSigned-off-by:
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Douglas Gilbert authored
The design of this driver is to do any ramdisk access on the same thread that invoked the queuecommand() call. That is assumed to be user space context. The command duration is implemented by setting the delay with a high resolution timer. The hr timer's callback may well be in interrupt context, but it doesn't touch the ramdisk. So try removing the _irqsave()/_irqrestore() portion on the read-write lock that protects ramdisk access. Link: https://lore.kernel.org/r/20200421151424.32668-5-dgilbert@interlog.comSigned-off-by:
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Douglas Gilbert authored
With the addition of the per_host_store option, the ability to check whether two different ramdisk images are the same or not becomes practical. Prior to this patch VERIFY(10) always returned true (i.e. the SCSI GOOD status) without checking. This option adds support for BYTCHK equal to 0, 1 and 3. If the comparison fails, then a sense key of MISCOMPARE is returned as per the T10 standards. Also add support for the VERIFY(16) command. Link: https://lore.kernel.org/r/20200421151424.32668-4-dgilbert@interlog.comReviewed-by:
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Douglas Gilbert authored
The scsi_debug driver has always been restricted to using one ramdisk image (or none) for its storage. This means that thousands of scsi_debug devices can be created without exhausting the host machine's RAM. The downside is that all scsi_debug devices share the same ramdisk image. This option changes the way a following write to the add_host parameter (or an add_host in the module/driver invocation) operates. For each new host that is created while per_host_store is true, a new store (of dev-size_mb MiB) is created and associated with all the LUs that belong to that new host. The user (who will need root permissions) needs to take care not to exhaust all the machine's available RAM. One reason for doing this is to check that (partial) disk to disk copies based on scsi_debug devices have actually copied accurately. To test this the add_host=<n> parameter where <n> is 2 or greater can be used when the scsi_debug module is loaded. Let us assume that /dev/sdb and /dev/sg1 are the same scsi_debug device, while /dev/sdc and /dev/sg2 are the same scsi_debug device. With per_host_store=1 add_host=2 they will have different ramdisk images. Then the following pseudocode could be executed to check if the sgh_dd copy worked: dd if=/dev/urandom of=/dev/sdb sgh_dd if=/dev/sg1 of=/dev/sg2 [plus option(s) to test] cmp /dev/sdb /dev/sdc If the cmp fails then the copy has failed (or some other mechanism wrote to /dev/sdb or /dev/sdc in the interim). [mkp: use kstrtobool()] Link: https://lore.kernel.org/r/20200421151424.32668-3-dgilbert@interlog.comSigned-off-by: -
Douglas Gilbert authored
Add a new command line option (e.g. random=1) and sysfs attribute that causes subsequent command completion times to be between the current command delay setting and 0. A uniformly distributed 32 bit, kernel provided integer is used for this purpose. Since the existing 'delay' whose units are jiffies (typically milliseconds) and 'ndelay' (units: nanoseconds) options (and sysfs attributes) span a range greater than 32 bits, some scaling is required. The purpose of this patch is to widen the range of testing cases that are visited in long running tests. Put simply: rarely struct race conditions are more likely to be found when this facility is used. The default is the previous case in which all command completions were roughly equal to (if not, slightly longer) than the value given by the 'delay' or 'ndelay' settings (or their defaults). This option's default is equivalent to setting 'random=0' . [mkp: use kstrtobool()] Link: https://lore.kernel.org/r/20200421151424.32668-2-dgilbert@interlog.comReviewed-by:
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- 30 Apr, 2020 4 commits
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Xiongfeng Wang authored
The channel index is represented by an unsigned variable 'u32 chan'. We don't need to check whether it is less than zero, the 'chan < 0' statement is always false. Remove it. Link: https://lore.kernel.org/r/1588162218-61757-1-git-send-email-wangxiongfeng2@huawei.comReported-by:
Hulk Robot <hulkci@huawei.com> Signed-off-by:
Xiongfeng Wang <wangxiongfeng2@huawei.com> Signed-off-by:
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Dan Carpenter authored
Smatch complains that the "path_data->handle" variable is user controlled. It comes from iscsi_set_path() so that seems possible. It's harmless to add a limit check. The qedi->ep_tbl[] array has qedi->max_active_conns elements (which is always ISCSI_MAX_SESS_PER_HBA (4096) elements). The array is allocated in the qedi_cm_alloc_mem() function. Link: https://lore.kernel.org/r/20200428131939.GA696531@mwanda Fixes: ace7f46b ("scsi: qedi: Add QLogic FastLinQ offload iSCSI driver framework.") Acked-by:
Manish Rangankar <mrangankar@marvell.com> Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
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Colin Ian King authored
The bitfields mpi_fw_dump_reading and mpi_fw_dumped are currently signed which is not recommended as the representation is an implementation defined behaviour. Fix this by making the bit-fields unsigned ints. Link: https://lore.kernel.org/r/20200428102013.1040598-1-colin.king@canonical.com Fixes: cbb01c2f ("scsi: qla2xxx: Fix MPI failure AEN (8200) handling") Reviewed-by:
Himanshu Madhani <himanshu.madhani@oracle.com> Signed-off-by:
Colin Ian King <colin.king@canonical.com> Signed-off-by:
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Johannes Thumshirn authored
In case scsi_setup_fs_cmnd() fails we're not freeing the sgtables allocated by scsi_init_io(), thus we leak the allocated memory. Free the sgtables allocated by scsi_init_io() in case scsi_setup_fs_cmnd() fails. Technically scsi_setup_scsi_cmnd() does not suffer from this problem as it can only fail if scsi_init_io() fails, so it does not have sgtables allocated. But to maintain symmetry and as a measure of defensive programming, free the sgtables on scsi_setup_scsi_cmnd() failure as well. scsi_mq_free_sgtables() has safeguards against double-freeing of memory so this is safe to do. While we're at it, rename scsi_mq_free_sgtables() to scsi_free_sgtables(). Link: https://bugzilla.kernel.org/show_bug.cgi?id=205595 Link: https://lore.kernel.org/r/20200428104605.8143-2-johannes.thumshirn@wdc.comReviewed-by:
Daniel Wagner <dwagner@suse.de> Reviewed-by:
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- 27 Apr, 2020 7 commits
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André Almeida authored
Despite of functions being documented, they are not in the kernel-doc specification, and could not be included in kernel documentation. Change the style of functions comments to be compliant to the kernel-doc style. When the function comments are outdated, update then. [mkp: a few edits] Link: https://lore.kernel.org/r/20200419050148.33371-1-andrealmeid@collabora.comSigned-off-by:
André Almeida <andrealmeid@collabora.com> Signed-off-by:
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Asutosh Das authored
Enable WriteBooster for Qualcomm platform. Link: https://lore.kernel.org/r/cd4cf745ea0b3a59c2075036e17316b97494fe65.1587591527.git.asutoshd@codeaurora.orgReviewed-by:
Avri Altman <avri.altman@wdc.com> Signed-off-by:
Asutosh Das <asutoshd@codeaurora.org> Signed-off-by:
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Asutosh Das authored
Adds unit, device, geometry descriptor sysfs entries. Adds flags sysfs entries for write booster. Link: https://lore.kernel.org/r/98987ef17844292bd42c57613990a3a26c6de2b8.1587591527.git.asutoshd@codeaurora.orgReviewed-by:
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Asutosh Das authored
The write performance of TLC NAND is considerably lower than SLC NAND. Using SLC NAND as a WriteBooster Buffer enables the write request to be processed with lower latency and improves the overall write performance. Adds support for shared-buffer mode WriteBooster. WriteBooster enable: SW enables it when clocks are scaled up, thus it's enabled only in high load conditions. WriteBooster disable: SW will disable the feature, when clocks are scaled down. Thus writes would go as normal writes. To keep the endurance of the WriteBooster Buffer at a maximum, this load-based toggling is adopted. Link: https://lore.kernel.org/r/2871444d9083b0e9323ef6d8ff1b544b7784adc9.1587591527.git.asutoshd@codeaurora.orgReviewed-by:
Subhash Jadavani <subhashj@codeaurora.org> Signed-off-by:
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Jason Yan authored
Fix the following coccicheck warning: drivers/scsi/ufs/ufshcd.c:4140:6-14: WARNING: Assignment of 0/1 to bool variable. Link: https://lore.kernel.org/r/20200426094305.24083-1-yanaijie@huawei.comSigned-off-by:
Jason Yan <yanaijie@huawei.com> Signed-off-by:
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Bart Van Assche authored
This patch makes the sr code slightly easier to read. Link: https://lore.kernel.org/r/20200427014844.12109-1-bvanassche@acm.org Cc: Merlijn Wajer <merlijn@archive.org> Signed-off-by:
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Christophe JAILLET authored
If 'scsi_host_alloc()' or 'kcalloc()' fail, 'error' is known to be 0. Set it explicitly to -ENOMEM before branching to the error handling path. While at it, remove 2 useless assignments to 'error'. These values are overwridden a few lines later. Link: https://lore.kernel.org/r/20200412094039.8822-1-christophe.jaillet@wanadoo.frSigned-off-by:
Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by:
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- 24 Apr, 2020 11 commits
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Jason Yan authored
Fix the following coccicheck warning: drivers/scsi/sgiwd93.c:190:2-3: Unneeded semicolon Link: https://lore.kernel.org/r/20200421034029.28030-1-yanaijie@huawei.comSigned-off-by:
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Jason Yan authored
Fix the following coccicheck warning: drivers/scsi/qla4xxx/ql4_os.c:969:3-4: Unneeded semicolon Link: https://lore.kernel.org/r/20200421034038.28113-1-yanaijie@huawei.comSigned-off-by:
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Jason Yan authored
Fix the following coccicheck warning: drivers/scsi/isci/isci.h:515:1-12: WARNING: Assignment of 0/1 to bool variable drivers/scsi/isci/isci.h:503:1-12: WARNING: Assignment of 0/1 to bool variable drivers/scsi/isci/isci.h:509:1-12: WARNING: Assignment of 0/1 to bool variable Link: https://lore.kernel.org/r/20200421034050.28193-1-yanaijie@huawei.comSigned-off-by:
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Jason Yan authored
Fix the following coccicheck warning: drivers/scsi/bnx2fc/bnx2fc_fcoe.c:948:4-5: Unneeded semicolon drivers/scsi/bnx2fc/bnx2fc_fcoe.c:968:4-5: Unneeded semicolon Link: https://lore.kernel.org/r/20200421034019.27949-1-yanaijie@huawei.comSigned-off-by:
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Jason Yan authored
Fix the following coccicheck warning: drivers/scsi/bfa/bfa_fcs_rport.c:2452:2-3: Unneeded semicolon drivers/scsi/bfa/bfa_fcs_rport.c:1578:3-4: Unneeded semicolon Link: https://lore.kernel.org/r/20200421033957.27783-1-yanaijie@huawei.comSigned-off-by:
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YueHaibing authored
Fixes gcc '-Wunused-but-set-variable' warning: drivers/scsi/bfa/bfa_svc.c: In function 'uf_recv': drivers/scsi/bfa/bfa_svc.c:5520:17: warning: variable 'fchs' set but not used [-Wunused-but-set-variable] struct fchs_s *fchs; ^ Link: https://lore.kernel.org/r/20200418071057.96699-1-yuehaibing@huawei.comSigned-off-by:YueHaibing <yuehaibing@huawei.com> Signed-off-by:
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Jason Yan authored
This function does not need a return value since no callers depend on it. Make it return void. This also fixes the coccicheck warning: drivers/scsi/snic/snic_ctl.c:163:5-8: Unneeded variable: "ret". Return "0" on line 228 Link: https://lore.kernel.org/r/20200418070615.11603-1-yanaijie@huawei.comReported-by:
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Jason Yan authored
Fix the following coccicheck warning: drivers/scsi/mpt3sas/mpt3sas_base.c:4906:3-19: WARNING: NULL check before some freeing functions is not needed. Link: https://lore.kernel.org/r/20200418095850.34883-1-yanaijie@huawei.comReported-by:
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Jason Yan authored
Fix the following coccicheck warning: drivers/scsi/ipr.c:9533:2-18: WARNING: NULL check before some freeing functions is not needed. Link: https://lore.kernel.org/r/20200418095903.35118-1-yanaijie@huawei.comReported-by:
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Jason Yan authored
Fix the following coccicheck warning: drivers/scsi/bfa/bfa_fcs_lport.c:4361:3-4: Unneeded semicolon Link: https://lore.kernel.org/r/20200418070553.11262-1-yanaijie@huawei.comReported-by:
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Wu Bo authored
Replace dma_pool_malloc with dma_pool_zalloc to make the code more concise in pmcraid_allocate_control_blocks() function. Link: https://lore.kernel.org/r/1587197241-274646-1-git-send-email-wubo40@huawei.comSigned-off-by:
Wu Bo <wubo40@huawei.com> Signed-off-by:
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