- 25 Jun, 2016 1 commit
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Chaehyun Lim authored
When handle_cfg_param is called in hostIFthread that is a kernel thread, it is not checked return type of this function. This patch changes return type to void. Signed-off-by:
Chaehyun Lim <chaehyun.lim@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 20 Jun, 2016 32 commits
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Andreas Dilger authored
Lockdep complains about potential recursive locking during mount because the client configuration log is holding a lock on the MGC obd_device to prevent it from being torn down, while also getting mutexes on the MDC and OSC devices as they are instantiated: Lustre: Mounted myth-client ============================================= [ INFO: possible recursive locking detected ] 4.7.0-rc2-vm-nfs+ #127 Tainted: G C --------------------------------------------- May be due to missing lock nesting notation 2 locks held by ll_cfg_requeue/5928: #0: (&cli->cl_sem){.+.+.+}, at: mgc_requeue_thread+0x15d/0x730 [mgc] #1: (&cld->cld_lock){+.+.+.}, at: mgc_process_log+0x5e/0xf80 [mgc] CPU: 0 PID: 5928 Comm: ll_cfg_requeue Call Trace: [<ffffffff814a0855>] dump_stack+0x86/0xc1 [<ffffffff810e7766>] __lock_acquire+0x726/0x1210 [<ffffffff810e86be>] lock_acquire+0xfe/0x1f0 [<ffffffff81888171>] down_read+0x51/0xa0 [<ffffffffa04a8477>] sptlrpc_conf_client_adapt+0x47/0x150 [ptlrpc] [<ffffffffa0186b16>] mdc_set_info_async+0x2b6/0x470 [mdc] [<ffffffffa0294090>] class_notify_sptlrpc_conf+0x190/0x360 [obdclass] [<ffffffffa01a9e85>] mgc_process_log+0x925/0xf80 [mgc] [<ffffffffa01abafa>] mgc_requeue_thread+0x1fa/0x730 [mgc] [<ffffffff810af331>] kthread+0x101/0x120 [<ffffffff8188ad6f>] ret_from_fork+0x1f/0x40 Add a separate lock class for the MGC callpath, since it will always be held first, and none of the other obd_device locks should ever be held concurrently. Signed-off-by:Andreas Dilger <andreas.dilger@intel.com> Signed-off-by:
Oleg Drokin <green@linuxhacker.ru> Signed-off-by:
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Oleg Drokin authored
kthread_run might sleep during an allocation, and so it's considered unsafe to call with a state that's not RUNNABLE. Move the state setting to after kthread_run call. Signed-off-by:
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Andriy Skulysh authored
A deadlock is possible during ccc_prep_size()->ldlm_lock_match() vs cl_io_lock() which is waiting for a matched lock and conflicts with already taken lock before ccc_prep_size(). It is better to send an additional lock request to avoid deadlock. Seagate-bug-id: MRP-3312 Signed-off-by:
Andriy Skulysh <andriy.skulysh@seagate.com> Reviewed-on: http://review.whamcloud.com/18738 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7829Reviewed-by:
Jinshan Xiong <jinshan.xiong@intel.com> Reviewed-by:
Bobi Jam <bobijam@hotmail.com> Signed-off-by:
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Oleg Drokin authored
commit ac5b1481 ("staging: lustre: osc: Track and limit "unstable" pages") added a new sysfs variable, but corresponding bit of documentation was not forgotten. Signed-off-by:
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Dmitry Eremin authored
Bit field 'oi_lockless' and 'oi_is_active' has one bit and is signed which is confusing. Signed-off-by:
Dmitry Eremin <dmitry.eremin@intel.com> Reviewed-on: http://review.whamcloud.com/19196 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7258Reviewed-by:
James Simmons <uja.ornl@yahoo.com> Reviewed-by:
Frank Zago <fzago@cray.com> Reviewed-by:
John L. Hammond <john.hammond@intel.com> Signed-off-by:
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akam kumar bharathi authored
req_capsule_server_get() through __req_capsule_get in ll_dir_ioctl() returns a pointer to a PTLRPC request or reply buffer, which is assigned to struct mdt_body. If the command is IOC_MDS_GETFILEINFO then the inode "st.st_ino" should be assigned from one extracted from mdt_body through cl_fid_build_ino(). Signed-off-by:
akam kumar bharathi <azurelustre@gmail.com> Reviewed-on: http://review.whamcloud.com/17618 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5954Reviewed-by:
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Oleg Drokin authored
There are a couple of cases in ll_revalidate_dentry() where we are pretty sure the dentry is valid, so check for them early and save more expensive checks for later. Signed-off-by:
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Oleg Drokin authored
Mark dentries that came to us via NFS in a special way so that we can tell them apart during open and activate open cache (we really don't want to do open/close RPC for every NFS IO). This became needed since dentry revlidate no longer reimplements any RPCs for lookup, and as such if a dentry is valid, ll_revalidate_dentry returns 1 and ll_lookup_it() is never visited during opens, we get straght into ll_file_open() without a valid intent/RPC. This used to be only true for NFS, so opencache was engaged needlessly, and it carries a cost of it's own if there is in fact no repetitive file opening-closing going on Signed-off-by:
Oleg Drokin <oleg.drokin@intel.com> Reviewed-on: http://review.whamcloud.com/20354 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8019Reviewed-by:
Li Xi <lixi@ddn.com> Signed-off-by:
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Sergey Cheremencev authored
LASSERT should never be done on data that is received to over the network. Return EINVAL when server returns invalid fid despite of it_status == 0. Signed-off-by:
Sergey Cheremencev <sergey.cheremencev@seagate.com> Seagate-bug-id: MRP-3073 Reviewed-on: http://review.whamcloud.com/17985 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7422Reviewed-by:
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Niu Yawei authored
While atime on close is supposed to only increase, there's a bug in some older server versions where atime from a client is taken no matter the value that allows a stale client atime to overwrite a correct value. Update atime in close rpc to 0 to help such servers out. Signed-off-by:
Niu Yawei <yawei.niu@intel.com> Reviewed-on: http://review.whamcloud.com/19932 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8041Reviewed-by:
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Yang Sheng authored
The watched obd device may still not setup while onu_upcall invoked. So we need verify it in cl_ocd_update. Signed-off-by:
Yang Sheng <yang.sheng@intel.com> Reviewed-on: http://review.whamcloud.com/19597 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8027Reviewed-by:
Lai Siyao <lai.siyao@intel.com> Signed-off-by:
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John L. Hammond authored
Add a const qualifier to several struct lustre_handle * parameters in the LDLM interface. Signed-off-by:
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John L. Hammond authored
Change the void *it_data member of struct lookup_intent to struct ptlrpc_request *it_request. Signed-off-by:
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Oleg Drokin authored
They are just one-liners, so no point in having them exported and called through a different module. Signed-off-by:
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John L. Hammond authored
Replace the union in struct lookup_intent with the members of struct lustre_indent_data. Remove the then unused struct lustre_intent_data. Signed-off-by:
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Bob Glossman authored
LU_OBJECT_DEBUG expects non \n terminated message from the caller, so it should add it's own to keep debug logger happy. Signed-off-by:
Bob Glossman <bob.glossman@intel.com> Reviewed-on: http://review.whamcloud.com/19960 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8094Reviewed-by:
Alex Zhuravlev <alexey.zhuravlev@intel.com> Reviewed-by:
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Alex Zhuravlev authored
as it adds own \n, so any extra \n break log format. Signed-off-by:
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Patrick Farrell authored
The lli_trunc_sem is taken in 'read' mode in both ll_page_mkwrite and vvp_io_fault_start. This can lead to a deadlock with another thread which asks for the semaphore in write mode between thse two read calls. Since all users of lli_trunc_sem are in the vvp layer, we can satisfy the requirement to exclude truncate by taking the semaphore only in vvp_io_fault_start. Signed-off-by:
Patrick Farrell <paf@cray.com> Reviewed-on: http://review.whamcloud.com/19315 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7981Reviewed-by:
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Vitaly Fertman authored
The reverse order of request_out_callback() and reply_in_callback() puts the RPC into UNREGISTERING state, which is waiting for RPC & bulk md unlink, whereas only RPC md unlink has been called so far. If bulk is lost, even expired_set does not check for UNREGISTERING state. The same for write if server returns an error. This phase is ambiguous, split to UNREG_RPC and UNREG_BULK. Signed-off-by:
Vitaly Fertman <vitaly.fertman@seagate.com> Seagate-bug-id: MRP-2953, MRP-3206 Reviewed-by:
Alexey Leonidovich Lyashkov <alexey.lyashkov@seagate.com> Tested-by:
Elena V. Gryaznova <elena.gryaznova@seagate.com> Reviewed-on: http://review.whamcloud.com/19953Reviewed-by:
Chris Horn <hornc@cray.com> Reviewed-by:
Ann Koehler <amk@cray.com> Reviewed-by:
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Ben Evans authored
Combine __ptlrpc_request_bufs_pack into ptlrpc_request_bufs_pack because it was an unnecessary wrapper otherwise. Signed-off-by:
Ben Evans <bevans@cray.com> Reviewed-on: http://review.whamcloud.com/16765 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7269Reviewed-by:
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Vitaly Fertman authored
A race between unregister_reply & early reply. When buffers are busy for the early transfer, they cannon be unlinked by unregister_reply, so the RPC gets into UNREGISTERING state. The coming reply_in_callback for the early RPC already has unlinked flag set due to previous mdunlink attempt, but we handle it properly only for UNILNK event, whereas this is PUT in this case. Signed-off-by:
Parinay Vijayprakash Kondekar <parinay.kondekar@seagate.com> Reviewed-on: http://review.whamcloud.com/18934 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7434Reviewed-by:
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Liang Zhen authored
This patch changes a few things: - There is no guarantee that request_out_callback will happen before reply_in_callback, if a request got reply and unlinked reply buffer before request_out_callback is called, then the thread waiting on ptlrpc_request_set will miss wakeup event. This may seriously impact performance of some IO workloads or result in RPC timeout - To make code more easier to understand, this patch changes action-bits "rq_req_unlink" and "rq_reply_unlink" to status-bits "rq_req_unlinked" and "rq_reply_unlinked" Signed-off-by:
Liang Zhen <liang.zhen@intel.com> Reviewed-on: http://review.whamcloud.com/12158 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5696Reviewed-by:
Johann Lombardi <johann.lombardi@intel.com> Reviewed-by:
Li Wei <wei.g.li@intel.com> Reviewed-by:
Mike Pershin <mike.pershin@intel.com> Signed-off-by:
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Liang Zhen authored
ptlrpc_request has some structure members are only for client side, and some others are only for server side, this patch moved these members to different structure then putting into an union. By doing this, size of ptlrpc_request is decreased about 300 bytes, besides saving memory, it also can reduce memory footprint while processing. Signed-off-by:
Bobi Jam <bobijam@gmail.com> Signed-off-by:
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Oleg Drokin authored
When imprting clio simplification patch, the check for pbject got reversed by mistake when converting from if (obj == NULL) it somehow became (if (obj) which is obviously wrong, and so when it does hit, a crash was happening as result. Fix the condition and all if fine now. Signed-off-by:
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Jinshan Xiong authored
With huge number of pages to scan by osc_lock_weight() it is likely CLP_GANG_RESCHED is returned from osc_page_gang_lookup() and the scan will be repeated again from the start. To be sure that the scan is progressing across those restarts, next scan should be started from the last scanned page index plus one. Xyratex-bug-id: MRP-2145 Signed-off-by:
Alexander Zarochentsev <alexander.zarochentsev@seagate.com> Signed-off-by:
James Simmons <uja.ornl@gmail.com> Signed-off-by:
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Bruno Faccini authored
There has been several Lustre Client crashes reported by sites running with Lustre versions 2.1/2.5, all showing the same dentry->d_hash->next corrupted pointer cause. This patch fixes a regression that has been introduced since a long time by commit : (LU-506 kernel: FC15 - support dcache scalability changes.) where i_lock protection usage has been removed and that is likely to cause racy condition during dentry [un]hashing and to be the root cause of these crashes. Signed-off-by:
Bruno Faccini <bruno.faccini@intel.com> Reviewed-on: http://review.whamcloud.com/19287 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7973Reviewed-by:
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Oleg Drokin authored
These are just doing spin_lock/unlock on inode's i_lock, so just do the spinlock directly to make the code more clear Signed-off-by:
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John L. Hammond authored
In the FIFO cases of ll_atomic_open() and ll_lookup_nd() remove spurious calls to ptlrpc_req_finished(). Explain that these cases are unreachable in practice anyway. Signed-off-by:
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Emoly Liu authored
Since the inflight request holds import refcount as well as export, sometimes obd_disconnect() in client_common_put_super() can't put the last refcount of OSC import (e.g. due to network disconnection), this will cause cl_cache being accessed after free. To fix this issue, ccc_users is used as cl_cache refcount, and lov/llite/osc all hold one cl_cache refcount respectively, to avoid the race that a new OST is being added into the system when the client is mounted. The following cl_cache functions are added: - cl_cache_init(): allocate and initialize cl_cache - cl_cache_incref(): increase cl_cache refcount - cl_cache_decref(): decrease cl_cache refcount and free the cache if refcount=0. Signed-off-by:
Emoly Liu <emoly.liu@intel.com> Reviewed-on: http://review.whamcloud.com/13746 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6173Reviewed-by:
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Fan Yong authored
There are several obsolete sub commands for lfs to work with remote client. We do not support that anymore, and should be deleted along with any kernel code related to remote client. Signed-off-by:
Fan Yong <fan.yong@intel.com> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6971 Reviewed-on: http://review.whamcloud.com/19789Reviewed-by:
James Simmons <jsimmons@infradead.org> Signed-off-by:
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Greg Kroah-Hartman authored
We want the fixes in here, and we can resolve a merge issue in drivers/iio/industrialio-trigger.c Signed-off-by: -
Linus Torvalds authored
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- 19 Jun, 2016 7 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fsLinus Torvalds authored
Pull UDF fixes and a reiserfs fix from Jan Kara: "A couple of udf fixes (most notably a bug in parsing UDF partitions which led to inability to mount recent Windows installation media) and a reiserfs fix for handling kstrdup failure" * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: reiserfs: check kstrdup failure udf: Use correct partition reference number for metadata udf: Use IS_ERR when loading metadata mirror file entry udf: Don't BUG on missing metadata partition descriptor
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git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds authored
Pull dmaengine fixes from Vinod Koul: "Some fixes has piled up, so time to send them upstream. These fixes include: - at_xdmac fixes for residue and other stuff - update MAINTAINERS for dma dt bindings - mv_xor fix for incorrect offset" * tag 'dmaengine-fix-4.7-rc4' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: mv_xor: Fix incorrect offset in dma_map_page() dmaengine: at_xdmac: double FIFO flush needed to compute residue dmaengine: at_xdmac: fix residue corruption dmaengine: at_xdmac: align descriptors on 64 bits MAINTAINERS: Add file patterns for dma device tree bindings
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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 batch of fixes for ARM SoC platforms. Most are smaller fixes. Two areas that are worth pointing out are: - OMAP had a handful of changes to voltage specs that caused a bit of churn, most of volume of change in this branch is due to this. - There are a couple of _rcuidle fixes from Paul that touch common code and came in through the OMAP tree since they were the ones who saw the problems. The rest is smaller changes across a handful of platforms" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (36 commits) ARM: dts: STi: stih407-family: Disable reserved-memory co-processor nodes ARM: dts: am437x-sk-evm: Reduce i2c0 bus speed for tps65218 ARM: OMAP2+: timer: add probe for clocksources ARM: OMAP1: fix ams-delta FIQ handler to work with sparse IRQ memory: omap-gpmc: Fix omap gpmc EXTRADELAY timing arm: Use _rcuidle for smp_cross_call() tracepoints MAINTAINERS: Add myself as reviewer of ARM FSL/NXP ARM: OMAP: DRA7: powerdomain data: Remove unused pwrsts_mem_ret ARM: OMAP: DRA7: powerdomain data: Remove unused pwrsts_logic_ret ARM: OMAP: DRA7: powerdomain data: Set L3init and L4per to ON ARM: imx6ul: Fix Micrel PHY mask ARM: OMAP2+: Select OMAP_INTERCONNECT for SOC_AM43XX ARM: dts: DRA74x: fix DSS PLL2 addresses ARM: OMAP2: Enable Errata 430973 for OMAP3 ARM: dts: socfpga: Add missing PHY phandle ARM: dts: exynos: Fix port nodes names for Exynos5420 Peach Pit board ARM: dts: exynos: Fix port nodes names for Exynos5250 Snow board ARM: dts: sun6i: yones-toptech-bs1078-v2: Drop constraints on dc1sw regulator ARM: dts: sun6i: primo81: Drop constraints on dc1sw regulator ARM: dts: sunxi: Add OLinuXino Lime2 eMMC to the Makefile ... -
https://github.com/rogerq/linuxOlof Johansson authored
OMAP-GPMC: Fixes for for v4.7-rc cycle: - Fix omap gpmc EXTRADELAY timing. The DT provided timings were wrongly used causing devices requiring extra delay timing to fail. * tag 'gpmc-omap-fixes-for-v4.7' of https://github.com/rogerq/linux: memory: omap-gpmc: Fix omap gpmc EXTRADELAY timing + Linux 4.7-rc3 Signed-off-by:
Olof Johansson <olof@lixom.net>
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Olof Johansson authored
Merge tag 'omap-for-v4.7/fixes-powedomain' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes Fixes for omaps for v4.7-rc cycle: - Fix dra7 for hardware issues limiting L4Per and L3init power domains to on state. Without this the devices may not work correctly after some time of use because of asymmetric aging. And related to this, let's also remove the unusable states. - Always select omap interconnect for am43x as otherwise the am43x only configurations will not boot properly. This can happen easily for any product kernels that leave out other SoCs to save memory. - Fix DSS PLL2 addresses that have gone unused for now - Select erratum 430973 for omap3, this is now safe to do and can save quite a bit of debugging time for people who may have left it out. * tag 'omap-for-v4.7/fixes-powedomain' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP: DRA7: powerdomain data: Remove unused pwrsts_mem_ret ARM: OMAP: DRA7: powerdomain data: Remove unused pwrsts_logic_ret ARM: OMAP: DRA7: powerdomain data: Set L3init and L4per to ON ARM: OMAP2+: Select OMAP_INTERCONNECT for SOC_AM43XX ARM: dts: DRA74x: fix DSS PLL2 addresses ARM: OMAP2: Enable Errata 430973 for OMAP3 + Linux 4.7-rc2 Signed-off-by:
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Olof Johansson authored
Merge tag 'fixes-rcu-fiq-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes Fixes for omaps for v4.7-rc cycle: - Two boot warning fixes from the RCU tree that should have gotten merged several weeks ago already but did not because of issues with who merges them. Paul has now split the RCU warning fixes into sets for various maintainers. - Fix ams-delta FIQ regression caused by omap1 sparse IRQ changes - Fix PM for omap3 boards using timer12 and gptimer, like the original beagleboard - Fix hangs on am437x-sk-evm by lowering the I2C bus speed * tag 'fixes-rcu-fiq-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: dts: am437x-sk-evm: Reduce i2c0 bus speed for tps65218 ARM: OMAP2+: timer: add probe for clocksources ARM: OMAP1: fix ams-delta FIQ handler to work with sparse IRQ arm: Use _rcuidle for smp_cross_call() tracepoints arm: Use _rcuidle tracepoint to allow use from idle Signed-off-by:
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Lee Jones authored
This patch fixes a non-booting issue in Mainline. When booting with a compressed kernel, we need to be careful how we populate memory close to DDR start. AUTO_ZRELADDR is enabled by default in multi-arch enabled configurations, which place some restrictions on where the kernel is placed and where it will be uncompressed to on boot. AUTO_ZRELADDR takes the decompressor code's start address and masks out the bottom 28 bits to obtain an address to uncompress the kernel to (thus a load address of 0x42000000 means that the kernel will be uncompressed to 0x40000000 i.e. DDR START on this platform). Even changing the load address to after the co-processor's shared memory won't render a booting platform, since the AUTO_ZRELADDR algorithm still ensures the kernel is uncompressed into memory shared with the first co-processor (0x40000000). Another option would be to move loading to 0x4A000000, since this will mean the decompressor will decompress the kernel to 0x48000000. However, this would mean a large chunk (0x44000000 => 0x48000000 (64MB)) of memory would essentially be wasted for no good reason. Until we can work with ST to find a suitable memory location to relocate co-processor shared memory, let's disable the shared memory nodes. This will ensure a working platform in the mean time. NB: The more observant of you will notice that we're leaving the DMU shared memory node enabled; this is because a) it is the only one in active use at the time of this writing and b) it is not affected by the current default behaviour which is causing issues. Fixes: fe135c63 (ARM: dts: STiH407: Move over to using the 'reserved-memory' API for obtaining DMA memory) Signed-off-by:
Lee Jones <lee.jones@linaro.org> Reviewed-by Peter Griffin <peter.griffin@linaro.org> Signed-off-by:
Maxime Coquelin <maxime.coquelin@st.com> Signed-off-by:
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