- 15 8月, 2010 1 次提交
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由 Sam Ravnborg 提交于
unifdef-y and header-y has same semantic. So there is no need to have both. Drop the unifdef-y variant and sort all lines again Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
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- 04 8月, 2010 8 次提交
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由 Trond Myklebust 提交于
This will allow us to save the original generic cred in rpc_message, so that if we migrate from one server to another, we can generate a new bound cred without having to punt back to the NFS layer. Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
Now that rpc_run_task() is the sole entry point for RPC calls, we can move the remaining rpc_client-related initialisation of struct rpc_task from sched.c into clnt.c. Also move rpc_killall_tasks() into the same file, since that too is relative to the rpc_clnt. Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
Make rpc_exit() non-inline, and ensure that it always wakes up a task that has been queued. Kill off the now unused rpc_wake_up_task(). Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
This patch allows the user to configure the credential cache hashtable size using a new module parameter: auth_hashtable_size When set, this parameter will be rounded up to the nearest power of two, with a maximum allowed value of 1024 elements. Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
Cleanup in preparation for allowing the user to determine the maximum hash table size. Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
Both rpc_restart_call_prepare() and rpc_restart_call() test for the RPC_TASK_KILLED flag, and fail to restart the RPC call if that flag is set. This patch allows callers to know whether or not the restart was successful, so that they can perform cleanups etc in case of failure. Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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- 07 7月, 2010 1 次提交
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由 Artem Bityutskiy 提交于
This patch makes the cache_cleaner workqueue deferrable, to prevent unnecessary system wake-ups, which is very important for embedded battery-powered devices. do_cache_clean() is called every 30 seconds at the moment, and often makes the system wake up from its power-save sleep state. With this change, when the workqueue uses a deferrable timer, the do_cache_clean() invocation will be delayed and combined with the closest "real" wake-up. This improves the power consumption situation. Note, I tried to create a DECLARE_DELAYED_WORK_DEFERRABLE() helper macro, similar to DECLARE_DELAYED_WORK(), but failed because of the way the timer wheel core stores the deferrable flag (it is the LSBit in the time->base pointer). My attempt to define a static variable with this bit set ended up with the "initializer element is not constant" error. Thus, I have to use run-time initialization, so I created a new cache_initialize() function which is called once when sunrpc is being initialized. Signed-off-by: NArtem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu>
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- 15 5月, 2010 24 次提交
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由 Trond Myklebust 提交于
Now that the rpc.gssd daemon can explicitly tell us that the key expired, we should cache that information to avoid spamming gssd. Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
This improves the packing of the rpc_task, and ensures that on 64-bit platforms the size reduces to 216 bytes. Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
It has not triggered in almost a decade. Time to get rid of it... Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
It seems strange to maintain stats for bytes_sent in one structure, and bytes received in another. Try to assemble all the RPC request-related stats in struct rpc_rqst Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
Again, we can deadlock if the memory reclaim triggers a writeback that requires a rpcsec_gss credential lookup. Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Currently RPC performance metrics that tabulate elapsed time use jiffies time values. This is problematic on systems that use slow jiffies (for instance 100HZ systems built for paravirtualized environments). It is also a problem for computing precise latency statistics for advanced network transports, such as InfiniBand, that can have round-trip latencies significanly faster than a single clock tick. For the RPC client, adopt the high resolution time stamp mechanism already used by the network layer and blktrace: ktime. We use ktime format time stamps for all internal computations, and convert to milliseconds for presentation. As a result, we need only addition operations in the performance critical paths; multiply/divide is required only for presentation. We could report RTT metrics in microseconds. In fact the mountstats format is versioned to accomodate exactly this kind of interface improvement. For now, however, we'll stay with millisecond precision for presentation to maintain backwards compatibility with the handful of currently deployed user space tools. At a later point, we'll move to an API such as BDI_STATS where a finer timestamp precision can be reported. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Compute an RPC request's RTT once, and use that value both for reporting RPC metrics, and for adjusting the RTT context used by the RPC client's RTT estimator algorithm. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Chuck Lever 提交于
Clean up: Update the documenting comment, and fix some minor white space issues. Signed-off-by: NChuck Lever <chuck.lever@oracle.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
We should not allow soft tasks to wait for longer than the major timeout period when waiting for a reconnect to occur. Remove the field xprt->connect_timeout since it has been obsoleted by xprt->reestablish_timeout. Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Kevin Coffman 提交于
Add necessary changes to add kernel support for the rc4-hmac Kerberos encryption type used by Microsoft and described in rfc4757. Signed-off-by: NKevin Coffman <kwc@citi.umich.edu> Signed-off-by: NSteve Dickson <steved@redhat.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Kevin Coffman 提交于
All encryption types use a confounder at the beginning of the wrap token. In all encryption types except arcfour-hmac, the confounder is the same as the blocksize. arcfour-hmac has a blocksize of one, but uses an eight byte confounder. Add an entry to the crypto framework definitions for the confounder length and change the wrap/unwrap code to use the confounder length rather than assuming it is always the blocksize. Signed-off-by: NKevin Coffman <kwc@citi.umich.edu> Signed-off-by: NSteve Dickson <steved@redhat.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Kevin Coffman 提交于
For the arcfour-hmac support, the make_seq_num and get_seq_num functions need access to the kerberos context structure. This will be used in a later patch. Signed-off-by: NKevin Coffman <kwc@citi.umich.edu> Signed-off-by: NSteve Dickson <steved@redhat.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Kevin Coffman 提交于
This is needed for deriving arcfour-hmac keys "on the fly" using the sequence number or checksu Signed-off-by: NKevin Coffman <kwc@citi.umich.edu> Signed-off-by: NSteve Dickson <steved@redhat.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Kevin Coffman 提交于
For arcfour-hmac support, the make_checksum function needs a usage field to correctly calculate the checksum differently for MIC and WRAP tokens. Signed-off-by: NKevin Coffman <kwc@citi.umich.edu> Signed-off-by: NSteve Dickson <steved@redhat.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Kevin Coffman 提交于
Add the remaining pieces to enable support for Kerberos AES encryption types. Signed-off-by: NKevin Coffman <kwc@citi.umich.edu> Signed-off-by: NSteve Dickson <steved@redhat.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Kevin Coffman 提交于
This is a step toward support for AES encryption types which are required to use the new token formats defined in rfc4121. Signed-off-by: NKevin Coffman <kwc@citi.umich.edu> [SteveD: Fixed a typo in gss_verify_mic_v2()] Signed-off-by: NSteve Dickson <steved@redhat.com> [Trond: Got rid of the TEST_ROTATE/TEST_EXTRA_COUNT crap] Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Kevin Coffman 提交于
Add the final pieces to support the triple-des encryption type. Signed-off-by: NKevin Coffman <kwc@citi.umich.edu> Signed-off-by: NSteve Dickson <steved@redhat.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Trond Myklebust 提交于
The text based upcall now indicates which Kerberos encryption types are supported by the kernel rpcsecgss code. This is used by gssd to determine which encryption types it should attempt to negotiate when creating a context with a server. The server principal's database and keytab encryption types are what limits what it should negotiate. Therefore, its keytab should be created with only the enctypes listed by this file. Currently we support des-cbc-crc, des-cbc-md4 and des-cbc-md5 Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Kevin Coffman 提交于
For encryption types other than DES, gssd sends down context information in a new format. This new format includes the information needed to support the new Kerberos GSS-API tokens defined in rfc4121. Signed-off-by: NKevin Coffman <kwc@citi.umich.edu> Signed-off-by: NSteve Dickson <steved@redhat.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Kevin Coffman 提交于
Import the code to derive Kerberos keys from a base key into the kernel. This will allow us to change the format of the context information sent down from gssd to include only a single key. Signed-off-by: NKevin Coffman <kwc@citi.umich.edu> Signed-off-by: NSteve Dickson <steved@redhat.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Kevin Coffman 提交于
Encryption types besides DES may use a keyed checksum (hmac). Modify the make_checksum() function to allow for a key and take care of enctype-specific processing such as truncating the resulting hash. Signed-off-by: NKevin Coffman <kwc@citi.umich.edu> Signed-off-by: NSteve Dickson <steved@redhat.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Kevin Coffman 提交于
Add enctype framework and change functions to use the generic values from it rather than the values hard-coded for des. Signed-off-by: NKevin Coffman <kwc@citi.umich.edu> Signed-off-by: NSteve Dickson <steved@redhat.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Kevin Coffman 提交于
Add encryption type to the krb5 context structure and use it to switch to the correct functions depending on the encryption type. Signed-off-by: NKevin Coffman <kwc@citi.umich.edu> Signed-off-by: NSteve Dickson <steved@redhat.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Kevin Coffman 提交于
Make the client and server code consistent regarding the extra buffer space made available for the auth code when wrapping data. Add some comments/documentation about the available buffer space in the xdr_buf head and tail when gss_wrap is called. Add a compile-time check to make sure we are not exceeding the available buffer space. Add a central function to shift head data. Signed-off-by: NKevin Coffman <kwc@citi.umich.edu> Signed-off-by: NSteve Dickson <steved@redhat.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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- 22 3月, 2010 1 次提交
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由 Trond Myklebust 提交于
The ->release_request() callback was designed to allow the transport layer to do housekeeping after the RPC call is done. It cannot be used to free the request itself, and doing so leads to a use-after-free bug in xprt_release(). Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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- 10 2月, 2010 1 次提交
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由 Andy Adamson 提交于
Signed-off-by: NAndy Adamson <andros@netapp.com> [Trond.Myklebust@netapp.com: moved definition of svc_is_backchannel() into include/linux/sunrpc/bc_xprt.h.] Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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- 16 12月, 2009 3 次提交
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由 J. Bruce Fields 提交于
This field is never referenced anywhere else. I don't know what it was intended for. Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu>
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由 Alexandros Batsakis 提交于
Signed-off-by: NAlexandros Batsakis <batsakis@netapp.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Alexandros Batsakis 提交于
Signed-off-by: NAlexandros Batsakis <batsakis@netapp.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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- 15 12月, 2009 1 次提交
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由 Boaz Harrosh 提交于
Remove include of two headers never used by this file. Doing so exposed a missing #include <linux/types.h> in include/linux/sunrpc/rpc_rdma.h. I did not see any other users dependency but if exist they should be fixed since these headers are totally irrelevant to here. Signed-off-by: NBoaz Harrosh <bharrosh@panasas.com> Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu>
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