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* Merge branch 'for-2.6.35' of git://linux-nfs.org/~bfields/linuxLinus Torvalds2010-05-204-35/+34Star
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-2.6.35' of git://linux-nfs.org/~bfields/linux: (45 commits) Revert "nfsd4: distinguish expired from stale stateids" nfsd: safer initialization order in find_file() nfs4: minor callback code simplification, comment NFSD: don't report compiled-out versions as present nfsd4: implement reclaim_complete nfsd4: nfsd4_destroy_session must set callback client under the state lock nfsd4: keep a reference count on client while in use nfsd4: mark_client_expired nfsd4: introduce nfs4_client.cl_refcount nfsd4: refactor expire_client nfsd4: extend the client_lock to cover cl_lru nfsd4: use list_move in move_to_confirmed nfsd4: fold release_session into expire_client nfsd4: rename sessionid_lock to client_lock nfsd4: fix bare destroy_session null dereference nfsd4: use local variable in nfs4svc_encode_compoundres nfsd: further comment typos sunrpc: centralise most calls to svc_xprt_received nfsd4: fix unlikely race in session replay case nfsd4: fix filehandle comment ...
| * Merge commit 'v2.6.34-rc6'J. Bruce Fields2010-05-04514-747/+1806
| |\ | | | | | | | | | | | | Conflicts: fs/nfsd/nfs4callback.c
| * | sunrpc: centralise most calls to svc_xprt_receivedNeil Brown2010-05-033-18/+4Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | svc_xprt_received must be called when ->xpo_recvfrom has finished receiving a message, so that the XPT_BUSY flag will be cleared and if necessary, requeued for further work. This call is currently made in each ->xpo_recvfrom function, often from multiple different points. In each case it is the earliest point on a particular path where it is known that the protection provided by XPT_BUSY is no longer needed. However there are (still) some error paths which do not call svc_xprt_received, and requiring each ->xpo_recvfrom to make the call does not encourage robustness. So: move the svc_xprt_received call to be made just after the call to ->xpo_recvfrom(), and move it of the various ->xpo_recvfrom methods. This means that it may not be called at the earliest possible instant, but this is unlikely to be a measurable performance issue. Note that there are still other calls to svc_xprt_received as it is also needed when an xprt is newly created. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svcrpc: don't hold sv_lock over svc_xprt_put()J. Bruce Fields2010-03-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | svc_xprt_put() can call tcp_close(), which can sleep, so we shouldn't be holding this lock. In fact, only the xpt_list removal and the sv_tmpcnt decrement should need the sv_lock here. Reported-by: Mi Jinlong <mijinlong@cn.fujitsu.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | sunrpc/cache: fix module refcnt leak in a failure pathLi Zefan2010-03-241-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Don't forget to release the module refcnt if seq_open() returns failure. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: J. Bruce Fields <bfields@fieldses.org> Cc: Neil Brown <neilb@suse.de> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | sunrpc: never return expired entries in sunrpc_cache_lookupNeilBrown2010-03-151-3/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If sunrpc_cache_lookup finds an expired entry, remove it from the cache and return a freshly created non-VALID entry instead. This ensures that we only ever get a usable entry, or an entry that will become usable once an update arrives. i.e. we will never need to repeat the lookup. This allows us to remove the 'is_expired' test from cache_check (i.e. from cache_is_valid). cache_check should never get an expired entry as 'lookup' will never return one. If it does happen - due to inconvenient timing - then just accept it as still valid, it won't be very much past it's use-by date. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | sunrpc/cache: factor out cache_is_expiredNeilBrown2010-03-141-5/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | This removes a tiny bit of code duplication, but more important prepares for following patch which will perform the expiry check in cache_lookup and the rest of the validity check in cache_check. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | sunrpc: don't keep expired entries in the auth caches.NeilBrown2010-03-141-8/+5Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | currently expired entries remain in the auth caches as long as there is a reference. This was needed long ago when the auth_domain cache used the same cache infrastructure. But since that (being a very different sort of cache) was separated, this test is no longer needed. So remove the test on refcnt and tidy up the surrounding code. This allows the cache_dequeue call (which needed to be there to drop a potentially awkward reference) can be moved outside of the spinlock which is a better place for it. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* | | Merge branch 'nfs-for-2.6.35' of ↵Linus Torvalds2010-05-2020-322/+2408
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.linux-nfs.org/projects/trondmy/nfs-2.6 * 'nfs-for-2.6.35' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: (78 commits) SUNRPC: Don't spam gssd with upcall requests when the kerberos key expired SUNRPC: Reorder the struct rpc_task fields SUNRPC: Remove the 'tk_magic' debugging field SUNRPC: Move the task->tk_bytes_sent and tk_rtt to struct rpc_rqst NFS: Don't call iput() in nfs_access_cache_shrinker NFS: Clean up nfs_access_zap_cache() NFS: Don't run nfs_access_cache_shrinker() when the mask is GFP_NOFS SUNRPC: Ensure rpcauth_prune_expired() respects the nr_to_scan parameter SUNRPC: Ensure memory shrinker doesn't waste time in rpcauth_prune_expired() SUNRPC: Dont run rpcauth_cache_shrinker() when gfp_mask is GFP_NOFS NFS: Read requests can use GFP_KERNEL. NFS: Clean up nfs_create_request() NFS: Don't use GFP_KERNEL in rpcsec_gss downcalls NFSv4: Don't use GFP_KERNEL allocations in state recovery SUNRPC: Fix xs_setup_bc_tcp() SUNRPC: Replace jiffies-based metrics with ktime-based metrics ktime: introduce ktime_to_ms() SUNRPC: RPC metrics and RTT estimator should use same RTT value NFS: Calldata for nfs4_renew_done() NFS: Squelch compiler warning in nfs_add_server_stats() ...
| * | | SUNRPC: Don't spam gssd with upcall requests when the kerberos key expiredTrond Myklebust2010-05-141-12/+53
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Remove the 'tk_magic' debugging fieldTrond Myklebust2010-05-141-11/+0Star
| | | | | | | | | | | | | | | | | | | | | | | | It has not triggered in almost a decade. Time to get rid of it... Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Move the task->tk_bytes_sent and tk_rtt to struct rpc_rqstTrond Myklebust2010-05-144-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Ensure rpcauth_prune_expired() respects the nr_to_scan parameterTrond Myklebust2010-05-141-3/+2Star
| | | | | | | | | | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Ensure memory shrinker doesn't waste time in rpcauth_prune_expired()Trond Myklebust2010-05-141-5/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The 'cred_unused' list, that is traversed by rpcauth_cache_shrinker is ordered by time. If we hit a credential that is under the 60 second garbage collection moratorium, we should exit because we know at that point that all successive credentials are subject to the same moratorium... Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Dont run rpcauth_cache_shrinker() when gfp_mask is GFP_NOFSTrond Myklebust2010-05-141-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Under some circumstances, put_rpccred() can end up allocating memory, so check the gfp_mask to prevent deadlocks. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFS: Don't use GFP_KERNEL in rpcsec_gss downcallsTrond Myklebust2010-05-146-27/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Again, we can deadlock if the memory reclaim triggers a writeback that requires a rpcsec_gss credential lookup. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Fix xs_setup_bc_tcp()Trond Myklebust2010-05-141-3/+0Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It is a BUG for anybody to call this function without setting args->bc_xprt. Trying to return an error value is just wrong, since the user cannot fix this: it is a programming error, not a user error. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Replace jiffies-based metrics with ktime-based metricsChuck Lever2010-05-143-22/+15Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: RPC metrics and RTT estimator should use same RTT valueChuck Lever2010-05-142-10/+4Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Fail over more quickly on connect errorsTrond Myklebust2010-05-143-19/+1Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Move the test for XPRT_CONNECTING into xprt_connect()Trond Myklebust2010-05-143-30/+19Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes a bug with setting xprt->stat.connect_start. Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Cleanup - make rpc_new_task() call rpc_release_calldata on failureTrond Myklebust2010-05-142-18/+14Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Also have it return an ERR_PTR(-ENOMEM) instead of a null pointer. Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Clean up xprt_release()Trond Myklebust2010-05-141-16/+16
| | | | | | | | | | | | | | | | | | | | Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gss_krb5: Advertise rc4-hmac enctype support in the rpcsec_gss/krb5 upcallTrond Myklebust2010-05-141-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Update the upcall info indicating which Kerberos enctypes the kernel supports Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gss_krb5: Add support for rc4-hmac encryptionKevin Coffman2010-05-146-13/+483
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add necessary changes to add kernel support for the rc4-hmac Kerberos encryption type used by Microsoft and described in rfc4757. Signed-off-by: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gss_krb5: Use confounder length in wrap codeKevin Coffman2010-05-143-8/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gssd_krb5: More arcfour-hmac supportKevin Coffman2010-05-144-9/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gss_krb5: Save the raw session key in the contextKevin Coffman2010-05-141-14/+13Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is needed for deriving arcfour-hmac keys "on the fly" using the sequence number or checksu Signed-off-by: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gssd_krb5: arcfour-hmac supportKevin Coffman2010-05-144-14/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gss_krb5: Advertise AES enctype support in the rpcsec_gss/krb5 upcallTrond Myklebust2010-05-141-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Update upcall info indicating which Kerberos enctypes the kernel supports Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gss_krb5: add remaining pieces to enable AES encryption supportKevin Coffman2010-05-144-12/+358
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add the remaining pieces to enable support for Kerberos AES encryption types. Signed-off-by: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gss_krb5: add support for new token formats in rfc4121Kevin Coffman2010-05-144-0/+378
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Kevin Coffman <kwc@citi.umich.edu> [SteveD: Fixed a typo in gss_verify_mic_v2()] Signed-off-by: Steve Dickson <steved@redhat.com> [Trond: Got rid of the TEST_ROTATE/TEST_EXTRA_COUNT crap] Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | xdr: Add an export for the helper function write_bytes_to_xdr_buf()Kevin Coffman2010-05-141-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gss_krb5: Advertise triple-des enctype support in the rpcsec_gss/krb5 upcallTrond Myklebust2010-05-141-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Update the upcall info indicating which Kerberos enctypes the kernel supports. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gss_krb5: add support for triple-des encryptionKevin Coffman2010-05-146-0/+83
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add the final pieces to support the triple-des encryption type. Signed-off-by: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gss_krb5: Add upcall info indicating supported kerberos enctypesTrond Myklebust2010-05-142-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gss_krb5: handle new context format from gssdKevin Coffman2010-05-142-2/+237
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gss_krb5: import functionality to derive keys into the kernelKevin Coffman2010-05-143-1/+254
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gss_krb5: add ability to have a keyed checksum (hmac)Kevin Coffman2010-05-145-31/+80
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gss_krb5: introduce encryption type frameworkKevin Coffman2010-05-145-69/+182
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add enctype framework and change functions to use the generic values from it rather than the values hard-coded for des. Signed-off-by: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gss_krb5: prepare for new context formatKevin Coffman2010-05-141-24/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Prepare for new context format by splitting out the old "v1" context processing function Signed-off-by: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gss_krb5: split up functions in preparation of adding new enctypesKevin Coffman2010-05-144-12/+68
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gss_krb5: Don't expect blocksize to always be 8 when calculating paddingJ. Bruce Fields2010-05-141-4/+1Star
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gss_krb5: Added and improved code commentsKevin Coffman2010-05-143-3/+38
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | gss_krb5: Introduce encryption type frameworkKevin Coffman2010-05-143-5/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* | | | Merge branch 'bkl/procfs' of ↵Linus Torvalds2010-05-201-4/+11
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing * 'bkl/procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing: sunrpc: Include missing smp_lock.h procfs: Kill the bkl in ioctl procfs: Push down the bkl from ioctl procfs: Use generic_file_llseek in /proc/vmcore procfs: Use generic_file_llseek in /proc/kmsg procfs: Use generic_file_llseek in /proc/kcore procfs: Kill BKL in llseek on proc base
| * | | | sunrpc: Include missing smp_lock.hFrederic Weisbecker2010-05-171-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that cache_ioctl_procfs() calls the bkl explicitly, we need to include the relevant header as well. This fixes the following build error: net/sunrpc/cache.c: In function 'cache_ioctl_procfs': net/sunrpc/cache.c:1355: error: implicit declaration of function 'lock_kernel' net/sunrpc/cache.c:1359: error: implicit declaration of function 'unlock_kernel' Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
| * | | | procfs: Push down the bkl from ioctlFrederic Weisbecker2010-05-171-4/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Push down the bkl from procfs's ioctl main handler to its users. Only three procfs users implement an ioctl (non unlocked) handler. Turn them into unlocked_ioctl and push down the Devil inside. v2: PDE(inode)->data doesn't need to be under bkl v3: And don't forget to git-add the result v4: Use wrappers to pushdown instead of an invasive and error prone handlers surgery. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: John Kacur <jkacur@redhat.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Al Viro <viro@ZenIV.linux.org.uk> Cc: Alexey Dobriyan <adobriyan@gmail.com>
* | | | | rtnetlink: make SR-IOV VF interface symmetricChris Wright2010-05-161-49/+110
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now we have a set of nested attributes: IFLA_VFINFO_LIST (NESTED) IFLA_VF_INFO (NESTED) IFLA_VF_MAC IFLA_VF_VLAN IFLA_VF_TX_RATE This allows a single set to operate on multiple attributes if desired. Among other things, it means a dump can be replayed to set state. The current interface has yet to be released, so this seems like something to consider for 2.6.34. Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | | sctp: delete active ICMP proto unreachable timer when free transportWei Yongjun2010-05-161-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | transport may be free before ICMP proto unreachable timer expire, so we should delete active ICMP proto unreachable timer when transport is going away. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-11-19 09:44:01 +0100