- 02 Dec, 2014 20 commits
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Lino Sanfilippo authored
In iscsi_target_init_module() unwind transport protocol registration in case that iscsit_load_discovery_tpg() failed. Signed-off-by:
Lino Sanfilippo <LinoSanfilippo@gmx.de> Reviewed-by:
Sagi Grimberg <sagig@mellanox.com> Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Hannes Reinecke authored
tcm_loop has the I_T nexus associated with the HBA. This causes commands to become misdirected if the HBA has more than one target portal group; any command is then being sent to the first target portal group instead of the correct one. The nexus needs to be associated with the target portal group instead. Signed-off-by:
Hannes Reinecke <hare@suse.de> Cc: <stable@vger.kernel.org> # 3.0+ Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Nicholas Bellinger authored
Now that PSCSI is only exposing four hw_* read-only device attributes, go ahead and drop the left-over -> legacy PHBA_PDEV checks in various se_dev_set_* code, since it's now only used by virtual devices. Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Nicholas Bellinger authored
Now that backend drivers are populating their own device attributes, go ahead and remove left-over definitions + internal attribute list of device attributes from target_core_configfs.c code Also update TB_CIT_SETUP(dev_attrib,...) to signal ct_attr = NULL. Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Nicholas Bellinger authored
This patch converts PSCSI to use an external set of device attributes, and utilizes target_core_backend_configfs.h macros to generate a default set of configfs extended-attr handlers. It calls target_core_setup_sub_cits() to setup the initial config_item_type based on existing target_core_configfs.c defaults, and using configfs_attribute for hw_pi_prot_type, hw_block_size, hw_max_sectors, hw_queue_depth populates pscsi_backend_dev_attrs[] Only these four hw_* read-only device attributes are exports for PSCSI. Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Nicholas Bellinger authored
This patch converts TCM-USER to use an external set of device attributes, and utilizes target_core_backend_configfs.h macros to generate a default set of configfs extended-attr handlers. It calls target_core_setup_sub_cits() to setup the initial config_item_type based on existing target_core_configfs.c defaults, and using configfs_attribute generated by DEF_TB_DEFAULT_ATTRIBS(tcmu) populates tcmu_backend_dev_attrs[] It introduces no function change for existing TCMU device attributes. Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Nicholas Bellinger authored
This patch converts RAMDISK to use an external set of device attributes, and utilizes target_core_backend_configfs.h macros to generate a default set of configfs extended-attr handlers. It calls target_core_setup_sub_cits() to setup the initial config_item_type based on existing target_core_configfs.c defaults, and using configfs_attribute generated by DEF_TB_DEFAULT_ATTRIBS(rc_mcp) populates rd_mcp_backend_dev_attrs[] It introduces no functional change for existing RD_MCP device attributes. Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Nicholas Bellinger authored
This patch converts FILEIO to use an external set of device attributes, and utilizes target_core_backend_configfs.h macros to generate a default set of configfs extended-attr handlers. It calls target_core_setup_sub_cits() to setup the initial config_item_type based on existing target_core_configfs.c defaults, and using configfs_attribute generated by DEF_TB_DEFAULT_ATTRIBS(fileio) populates fileio_backend_dev_attrs[] It introduces no functional change for existing FILEIO device attributes. Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Nicholas Bellinger authored
This patch converts IBLOCK to use an external set of device attributes, and utilizes target_core_backend_configfs.h macros to generate a default set of configfs extended-attr handlers. It calls target_core_setup_sub_cits() to setup the initial config_item_type based on existing target_core_configfs.c defaults, and using configfs_attribute generated by DEF_TB_DEFAULT_ATTRIBS(iblock) populates iblock_backend_dev_attrs[] It introduces no functional change for existing IBLOCK device attributes. Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Nicholas Bellinger authored
This helper macro adds the default set of 30 device attributes for virtual devices from existing target_core_configfs.c code, and moves the definitions into a single macro to create the structs necessary for backend drivers. It allows them to populate their own external struct configfs_attribute for se_subsystem_api->tb_cits.tb_dev_attrib_cit.ct_attrs. Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Nicholas Bellinger authored
Now that target_core_backend_configfs.h macros will be using these se_dev_set attribute functions externally to allow backend drivers to populate different attributes, go ahead and add EXPORT_SYMBOL() for the existing default set of 30 device attributes. Also update target_core_backend.h with proper function prototypes. Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Nicholas Bellinger authored
This patch adds a number of configfs e-attr macros following what existing target_core_configfs.c code does for internal target_backend_dev_attrib setup, and similar to how target fabric drivers allow for external config_item_type + cit->ct_attrs. assignment. This is useful for backend drivers like PSCSI who need to only expose a small subset of device attributes, while still retaining a default list of attributes for other backend drivers like IBLOCK, FILEIO, RAMDISK, and TCMU. Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Nicholas Bellinger authored
This patch adds support for dev_stat_cit as an external config_item_type using TB_CIT_SETUP() helper macro, and sets only ct_group_ops following existing code. It updates target_core_make_subdev() + target_core_setup_dev_attrib_cit() + struct target_backend_cits, and drops left-over target_core_dev_stat_cit from target_core_configfs.c code and update comments. This patch introduces no functional change from existing code. Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Nicholas Bellinger authored
This patch adds support for dev_alua_tg_pt_gps_cit as an external config_item_type using TB_CIT_SETUP() helper macro, and sets only ct_group_ops following existing code. It updates target_core_make_subdev() + target_core_setup_dev_attrib_cit() + struct target_backend_cits, and drops left-over target_core_dev_alua_tg_pt_gps_cit from target_core_configfs.c code and update comments. This patch introduces no functional change from existing code. Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Nicholas Bellinger authored
This patch adds support for dev_wwn_cit as an external config_item_type using TB_CIT_SETUP() helper macro, and sets both ct_item_ops + ct_attr following existing code. It updates target_core_make_subdev() + target_core_setup_dev_attrib_cit() + struct target_backend_cits, and drops left-over target_core_dev_wwn_cit from target_core_configfs.c code and update comments. This patch introduces no functional change from existing code. Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Nicholas Bellinger authored
This patch adds support for dev_pr_cit as an external config_item_type using TB_CIT_SETUP() helper macro, and sets both ct_item_ops + ct_attr following existing code. It updates target_core_make_subdev() + target_core_setup_dev_attrib_cit() + struct target_backend_cits, and drops left-over target_core_dev_pr_cit from target_core_configfs.c code and update comments. This patch introduces no functional change from existing code. Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Nicholas Bellinger authored
This patch adds support for dev_attrib_cit as an external config_item_type using TB_CIT_SETUP() helper macro, and sets both ct_item_ops + ct_attr following existing code. It updates target_core_make_subdev() + target_core_setup_dev_attrib_cit() + struct target_backend_cits, and drops left-over target_core_dev_attrib_cit from target_core_configfs.c code and update comments. This patch introduces no functional change from existing code. Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Nicholas Bellinger authored
This patch adds initial support for dev_cit as external config_item_type. This includes a new struct target_backend_cits to hold the external CITs within struct se_subsystem_api, and target_core_setup_sub_cits() to be used by backend drivers ahead of transport_subsystem_register(). It adds a TB_CIT_SETUP() helper following target_core_fabric_configfs.c to perform the config_item_type assignments. Also, drop left-over target_core_dev_cit from target_core_configfs.c code and update comments. Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Markus Elfring authored
The module_put() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by:
Markus Elfring <elfring@users.sourceforge.net> Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Roland Dreier authored
If we try to create a fabric directory in configfs for one of the default hard-coded fabric modules (iscsi and loopback), and that fabric is actually built into the kernel, then the operation will spuriously fail because request_module() (for the code that's already linked into the kernel) fails. Fix this by running the autoprobing code only if an initial target_core_get_fabric() fails. Signed-off-by:
Roland Dreier <roland@purestorage.com> Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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- 20 Nov, 2014 1 commit
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Chris Moore authored
isert has an issue of trying to create a CQ with more CQEs than are supported by the hardware, that currently results in failures during isert_device creation during first session login. This is the isert version of the patch that Minh Tran submitted for iser, and is simple a workaround required to function with existing ocrdma hardware. Signed-off-by:
Chris Moore <chris.moore@emulex.com> Reviewied-by:
Sagi Grimberg <sagig@mellanox.com> Cc: <stable@vger.kernel.org> # 3.10+ Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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- 03 Nov, 2014 3 commits
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Steven Allen authored
PREEMPT (and PREEMPT AND ABORT) should return CONFLICT iff a specified SERVICE ACTION RESERVATION KEY is specified and matches no existing persistent reservation. Without this patch, a PREEMPT will return CONFLICT if either all reservations are held by the initiator (self preemption) or there is nothing to preempt. According to the spec, both of these cases should succeed. Signed-off-by:
Steven Allen <steven.allen@purestorage.com> Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Sagi Grimberg authored
In this case the cm_id->context is the isert_np, and the cm_id->qp is NULL, so use that to distinct the cases. Since we don't expect any other events on this cm_id we can just return -1 for explicit termination of the cm_id by the cma layer. Signed-off-by:
Sagi Grimberg <sagig@mellanox.com> Cc: <stable@vger.kernel.org> # 3.10+ Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Or Gerlitz authored
This patch adds a max_send_sge=2 minimum in isert_conn_setup_qp() to ensure outgoing control PDU responses with tx_desc->num_sge=2 are able to function correctly. This addresses a bug with RDMA hardware using dev_attr.max_sge=3, that in the original code with the ConnectX-2 work-around would result in isert_conn->max_sge=1 being negotiated. Originally reported by Chris with ocrdma driver. Reported-by:
Chris Moore <Chris.Moore@emulex.com> Tested-by:
Chris Moore <Chris.Moore@emulex.com> Signed-off-by:
Or Gerlitz <ogerlitz@mellanox.com> Cc: <stable@vger.kernel.org> # 3.10+ Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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- 28 Oct, 2014 4 commits
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Bart Van Assche authored
It is not guaranteed to that srp_sq_size is supported by the HCA. So if we failed to create the QP with ENOMEM, try with a smaller srp_sq_size. Keep it up until we hit MIN_SRPT_SQ_SIZE, then fail the connection. Reported-by:
Mark Lehrer <lehrer@gmail.com> Signed-off-by:
Bart Van Assche <bvanassche@acm.org> Signed-off-by:
Sagi Grimberg <sagig@mellanox.com> Cc: <stable@vger.kernel.org> # 3.4+ Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Steven Allen authored
The fact that a target is published on the any address has no bearing on which port(s) it is published. SendTargets should always send the portal's port, not the port used for discovery. Signed-off-by:
Steven Allen <steven.allen@purestorage.com> Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Nicholas Bellinger authored
This patch addresses a bug where individual vhost-scsi configfs endpoint groups can be removed from below while active exports to QEMU userspace still exist, resulting in an OOPs. It adds a configfs_depend_item() in vhost_scsi_set_endpoint() to obtain an explicit dependency on se_tpg->tpg_group in order to prevent individual vhost-scsi WWPN endpoints from being released via normal configfs methods while an QEMU ioctl reference still exists. Also, add matching configfs_undepend_item() in vhost_scsi_clear_endpoint() to release the dependency, once QEMU's reference to the individual group at /sys/kernel/config/target/vhost/$WWPN/$TPGT is released. (Fix up vhost_scsi_clear_endpoint() error path - DanC) Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Stefan Hajnoczi <stefanha@redhat.com> Cc: <stable@vger.kernel.org> # 3.6+ Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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Roland Dreier authored
If an initiator sends a zero-length command (e.g. TEST UNIT READY) but sets the transfer direction in the transport layer to indicate a data-out phase, we still shouldn't try to transfer data. At best it's a NOP, and depending on the transport, we might crash on an uninitialized sg list. Reported-by:
Craig Watson <craig.watson@vanguard-rugged.com> Signed-off-by:
Roland Dreier <roland@purestorage.com> Cc: <stable@vger.kernel.org> # 3.1 Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org>
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- 26 Oct, 2014 4 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds authored
Pull ARM SoC fixes from Olof Johansson: "Another week, another small batch of fixes. Most of these make zynq, socfpga and sunxi platforms work a bit better: - due to new requirements for regulators, DWMMC on socfpga broke past v3.17 - SMP spinup fix for socfpga - a few DT fixes for zynq - another option (FIXED_REGULATOR) for sunxi is needed that used to be selected by other options but no longer is. - a couple of small DT fixes for at91 - ...and a couple for i.MX" * tag 'armsoc-for-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: dts: imx28-evk: Let i2c0 run at 100kHz ARM: i.MX6: Fix "emi" clock name typo ARM: multi_v7_defconfig: enable CONFIG_MMC_DW_ROCKCHIP ARM: sunxi_defconfig: enable CONFIG_REGULATOR_FIXED_VOLTAGE ARM: dts: socfpga: Add a 3.3V fixed regulator node ARM: dts: socfpga: Fix SD card detect ARM: dts: socfpga: rename gpio nodes ARM: at91/dt: sam9263: fix PLLB frequencies power: reset: at91-reset: fix power down register MAINTAINERS: add atmel ssc driver maintainer entry arm: socfpga: fix fetching cpu1start_addr for SMP ARM: zynq: DT: trivial: Fix mc node ARM: zynq: DT: Add cadence watchdog node ARM: zynq: DT: Add missing reference for memory-controller ARM: zynq: DT: Add missing reference for ADC ARM: zynq: DT: Add missing address for L2 pl310 ARM: zynq: DT: Remove 222 MHz OPP ARM: zynq: DT: Fix GEM register area size
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull vfs updates from Al Viro: "overlayfs merge + leak fix for d_splice_alias() failure exits" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: overlayfs: embed middle into overlay_readdir_data overlayfs: embed root into overlay_readdir_data overlayfs: make ovl_cache_entry->name an array instead of pointer overlayfs: don't hold ->i_mutex over opening the real directory fix inode leaks on d_splice_alias() failure exits fs: limit filesystem stacking depth overlay: overlay filesystem documentation overlayfs: implement show_options overlayfs: add statfs support overlay filesystem shmem: support RENAME_WHITEOUT ext4: support RENAME_WHITEOUT vfs: add RENAME_WHITEOUT vfs: add whiteout support vfs: export check_sticky() vfs: introduce clone_private_mount() vfs: export __inode_permission() to modules vfs: export do_splice_direct() to modules vfs: add i_op->dentry_open()
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Olof Johansson authored
Merge tag 'imx-fixes-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes Merge "ARM: imx: fixes for 3.18" from Shawn Guo: The i.MX fixes for 3.18: - Revert one patch which increases I2C bus frequency on imx28-evk - Fix a typo on imx6q EIM clock name * tag 'imx-fixes-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: ARM: dts: imx28-evk: Let i2c0 run at 100kHz ARM: i.MX6: Fix "emi" clock name typo Signed-off-by:
Olof Johansson <olof@lixom.net>
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- 25 Oct, 2014 6 commits
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Fabio Estevam authored
Commit 78b81f46 ("ARM: dts: imx28-evk: Run I2C0 at 400kHz") caused issues when doing the following sequence in loop: - Boot the kernel - Perform audio playback - Reboot the system via 'reboot' command In many times the audio card cannot be probed, which causes playback to fail. After restoring to the original i2c0 frequency of 100kHz there is no such problem anymore. This reverts commit 78b81f46. Cc: <stable@vger.kernel.org> # 3.16+ Signed-off-by:
Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by:
Shawn Guo <shawn.guo@linaro.org>
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Steve Longerbeam authored
Fix a typo error, the "emi" names refer to the eim clocks. The change fixes typo in EIM and EIM_SLOW pre-output dividers and selectors clock names. Notably EIM_SLOW clock itself is named correctly. Signed-off-by:
Steve Longerbeam <steve_longerbeam@mentor.com> [vladimir_zapolskiy@mentor.com: ported to v3.17] Signed-off-by:
Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> Cc: Sascha Hauer <kernel@pengutronix.de> Signed-off-by:
Shawn Guo <shawn.guo@linaro.org>
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Al Viro authored
same story... Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
no sense having it a pointer - all instances have it pointing to local variable in the same stack frame Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
just use it to serialize the assignment Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk>
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- 24 Oct, 2014 2 commits
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git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds authored
Pull MIPS fixes from Ralf Baechle: "This is the first round of fixes and tying up loose ends for MIPS. - plenty of fixes for build errors in specific obscure configurations - remove redundant code on the Lantiq platform - removal of a useless SEAD I2C driver that was causing a build issue - fix an earlier TLB exeption handler fix to also work on Octeon. - fix ISA level dependencies in FPU emulator's instruction decoding. - don't hardcode kernel command line in Octeon software emulator. - fix an earlier fix for the Loondson 2 clock setting" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: SEAD3: Fix I2C device registration. MIPS: SEAD3: Nuke PIC32 I2C driver. MIPS: ftrace: Fix a microMIPS build problem MIPS: MSP71xx: Fix build error MIPS: Malta: Do not build the malta-amon.c file if CMP is not enabled MIPS: Prevent compiler warning from cop2_{save,restore} MIPS: Kconfig: Add missing MIPS_CPS dependencies to PM and cpuidle MIPS: idle: Remove leftover __pastwait symbol and its references MIPS: Sibyte: Include the swarm subdir to the sb1250 LittleSur builds MIPS: ptrace.h: Add a missing include MIPS: ath79: Fix compilation error when CONFIG_PCI is disabled MIPS: MSP71xx: Remove compilation error when CONFIG_MIPS_MT is present MIPS: Octeon: Remove special case for simulator command line. MIPS: tlbex: Properly fix HUGE TLB Refill exception handler MIPS: loongson2_cpufreq: Fix CPU clock rate setting mismerge pci: pci-lantiq: remove duplicate check on resource MIPS: Lasat: Add missing CONFIG_PROC_FS dependency to PICVUE_PROC MIPS: cp1emu: Fix ISA restrictions for cop1x_op instructions
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linuxLinus Torvalds authored
Pull arm64 fixes from Catalin Marinas: - enable 48-bit VA space now that KVM has been fixed, together with a couple of fixes for pgd allocation alignment and initial memblock current_limit. There is still a dependency on !ARM_SMMU which needs to be updated as it uses the page table manipulation macros of the host kernel - eBPF fixes following changes/conflicts during the merging window - Compat types affecting compat_elf_prpsinfo - Compilation error on UP builds - ASLR fix when /proc/sys/kernel/randomize_va_space == 0 - DT definitions for CLCD support on ARMv8 model platform * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: Fix memblock current_limit with 64K pages and 48-bit VA arm64: ASLR: Don't randomise text when randomise_va_space == 0 arm64: vexpress: Add CLCD support to the ARMv8 model platform arm64: Fix compilation error on UP builds Documentation/arm64/memory.txt: fix typo net: bpf: arm64: minor fix of type in jited arm64: bpf: add 'load 64-bit immediate' instruction arm64: bpf: add 'shift by register' instructions net: bpf: arm64: address randomize and write protect JIT code arm64: mm: Correct fixmap pagetable types arm64: compat: fix compat types affecting struct compat_elf_prpsinfo arm64: Align less than PAGE_SIZE pgds naturally arm64: Allow 48-bits VA space without ARM_SMMU
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