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| * | | [SERVER] Use more _AtomicSimon Rettberg2019-08-072-5/+4Star
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| * | | [SERVER] Fix race condition and invalid lock orderSimon Rettberg2019-08-071-4/+7
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| * | | [SERVER] uplink: Improve attaching to existing requestsSimon Rettberg2019-08-062-35/+74
| | | | | | | | | | | | | | | | | | | | Allow attaching in ULR_PROCESSING state, leave lower slots empty to increase chances attaching to ULR_PROCESSING.
| * | | [BENCH] Increase timeouts, fix block payload readingSimon Rettberg2019-08-061-3/+3
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| * | | [BENCH] Fix a couple bugs in stress testerSimon Rettberg2019-08-063-82/+70Star
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| * | | [SERVER] Improve debug output if a locked lock gets destroyedSimon Rettberg2019-08-061-0/+1
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| * | | [SERVER] Fix: Client thread could destroy sendMutex while in useSimon Rettberg2019-08-061-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | Fix a race condition where the client thread tears down the client struct including the sendMutex while the uplink thead is currently holding the lock, trying to send data to the client.
| * | | [SERVER] Allow uplink shutdown if bgrMinClients > image->usersSimon Rettberg2019-08-051-1/+2
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| * | | [SERVER] Add sanity check to threadpool_run for NULL routineSimon Rettberg2019-08-051-0/+4
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| * | | [SERVER] Switch threadpool back to spinlock, add idle thread counterSimon Rettberg2019-08-051-22/+23
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| * | | [SERVER] Atomicize some global flagsSimon Rettberg2019-08-032-2/+2
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| * | | [SERVER] Make image->users atomic and get rid of some lockingSimon Rettberg2019-08-022-53/+40Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With this change it should be safe to read the users count of an image without locking first, assuming you already have a reference on the image or are otherwise sure it cannot be freed, i.e. in an active uplink. Updating users, or checking whether it's 0 in order to free the image should only be done while holding the imageListLock.
* | | | [FUSE] Tweak timeout values to prevent stale status fileSimon Rettberg2020-07-241-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | If we cat the stats file right after starting the fuse client, its contents will be cached forever. The exact cause is unknown, since the timeout was specified as one second, but setting it to 0 seems to fix this issue.
* | | | [FUSE] Fix returning pending request on RTT measurementSimon Rettberg2020-07-243-15/+8Star
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* | | | [FUSE] CleanupSimon Rettberg2020-07-242-33/+24Star
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* | | | [FUSE] Detach old receive thread when creating anew one, update varSimon Rettberg2020-07-241-2/+2
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* | | | [FUSE] Refactor signal handling on termination againSimon Rettberg2020-07-243-60/+55Star
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* | | | [FUSE] Fix inode numbersSimon Rettberg2020-07-241-14/+16
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* | | | [FUSE] Minor cleanup and fixesSimon Rettberg2020-07-211-59/+38Star
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* | | | [SHARED] Fix: connect with timeout returns socket handle on EINPROGRESSSimon Rettberg2020-07-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Only if we request non-blocking connect (connect_ms == -1) this function should return a socket fd that is not actually connected. Otherwise, consder this a failure, close the sock fd, and return -1.
* | | | [FUSE] Properly signal worker threads to exit on shutdownSimon Rettberg2020-07-213-24/+70
| | | | | | | | | | | | | | | | | | | | | | | | Our main signal handler sends SUGHUP to the receiver and background threads, so if they block in some recv() or poll() they will get EINTR and can check keepRunning.
* | | | [FUSE] FormattingSimon Rettberg2020-07-215-180/+183
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* | | | [FUSE] Fix a bunch of warningsSimon Rettberg2020-07-212-8/+11
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* | | | leak fix in mainln-tech2020-01-123-5/+12
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* | | | fixed code: removed useless splicing, code optimization, commandline ↵ln-tech2020-01-084-113/+31Star
| | | | | | | | | | | | | | | | arguments fixed, auto_cache in lowlevel activated, multi and single threaded modes are supported now
* | | | code fixes, keepRunning is back, threads seem to be safeln-tech2019-11-153-31/+18Star
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* | | | SIGINT fix, Reader-Writer oroblem fixln-tech2019-11-134-36/+43
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* | | | cleaned codeln-tech2019-10-273-176/+19Star
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* | | | cleaned code and atomic_ints againstln-tech2019-10-274-67/+401
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* | | cmake: Try to get include directories right (per target)Simon Rettberg2019-10-071-1/+0Star
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* | [FUSE] Increase socket timeout from 1 to 3 secondsSimon Rettberg2019-08-281-2/+2
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* i[SERVER] Include new pretendClient in config dumpv2.2Simon Rettberg2019-08-021-0/+1
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* [SERVER] Fix compile in release modeSimon Rettberg2019-08-021-1/+1
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* [SERVER] Turn all spinlocks into mutexesSimon Rettberg2019-07-2611-412/+467
| | | | | | | | Just assume sane platforms offer smart mutexes that have a fast-path with spinlocks internally for locks that have little to no congestion. In all other cases, mutexes should perform better anyways.
* [SERVER] Add pretendClient config optionSimon Rettberg2019-07-233-1/+10
| | | | | | This makes the server not set the FLAGS8_SERVER flag when establishing an uplink connection. Useful mostly for running a proxy on localhost for local caching.
* [SERVER] uplink: Relay request in client's thread if possibleSimon Rettberg2019-07-232-3/+57
| | | | | Early benchmarking shows that this is faster, since we don't require another thread to wake up just to send out the request.
* [FUSE] Add --sticky mode to ignore alt-servers announced by serversSimon Rettberg2019-03-073-6/+16
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* [FUSE] Clean up argument handling, improve helpSimon Rettberg2019-03-071-19/+10Star
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* [KERNEL] Lower queue->limits.max_sectors to 256, like nbdSimon Rettberg2019-02-131-1/+1
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* [SERVER] Don't shutdown uplink if background replication is FULLSimon Rettberg2019-02-131-1/+1
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* [FUSE] Use shared/timing.* instead of nowMilli/MicroSimon Rettberg2019-02-092-57/+43Star
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* [SHARED] More timing helpersSimon Rettberg2019-02-091-0/+23
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* [FUSE] Consider RTT of active connection for switch-decisionsSimon Rettberg2019-02-082-55/+123
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* [SERVER] uplink: Dedicated function for handling link failureSimon Rettberg2019-02-081-31/+50
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* [SERVER] integrity: Group check requests, use sync_file_range()Simon Rettberg2019-02-041-25/+51
| | | | | | | This requires a much shorter queue and balances hashing between different images if the checker lags behind. On Linux, use sync_file_range() instead of fsync() before reading back to speed up flushing.
* [SERVER] Cosmetic changes (loglvl, comment)Simon Rettberg2019-02-041-2/+2
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* [SERVER] Export image idle time in json rpcSimon Rettberg2019-01-311-3/+6
| | | | Counter in seconds for how long this image hasn't been used.
* [SERVER] altservers.c: Improve log outputSimon Rettberg2019-01-312-20/+19Star
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* [SERVER] Don't keep an uplink connection established foreverSimon Rettberg2019-01-315-49/+93
| | | | | | In case we don't use background replication a connection to an uplink server can potentially stay around forever. This in turn would prevent the uplink server from freeing the image as it appears to be in use.
* [SERVER] uplink: Check for _maxPayload when getting client requestSimon Rettberg2019-01-311-0/+4
| | | | | | It didn't make too much sense that we only checked _maxPayload when the reply arrived; simply don't forward a request where we already know we won't handle the reply.
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