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* SUNRPC: Allow rpc_init_task() to initialise the rpc_task->tk_msgTrond Myklebust2008-01-30
| | | | | | In preparation for the removal of rpc_call_setup(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Add a helper rpc_call_start() that initialises task->tk_actionTrond Myklebust2008-01-30
| | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Mask signals across the call to rpc_call_setup() in rpc_run_taskTrond Myklebust2008-01-30
| | | | | | To ensure that the RPCSEC_GSS upcall is performed with the correct sigmask. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Clean up the initialisation of priority queue scheduling info.Trond Myklebust2008-01-30
| | | | | | | | | | We want the default scheduling priority (priority == 0) to remain RPC_PRIORITY_NORMAL. Also ensure that the priority wait queue scheduling is per process id instead of sometimes being per thread, and sometimes being per inode. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Clean up rpc_run_taskTrond Myklebust2008-01-30
| | | | | | | Make it use the new task initialiser structure instead of acting as a wrapper. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Cleanup of rpc_task initialisationTrond Myklebust2008-01-30
| | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Restrict sunrpc client exportsTrond Myklebust2008-01-30
| | | | | | | | The sunrpc client exports are not meant to be part of any official kernel API: they can change at the drop of a hat. Mark them as internal functions using EXPORT_SYMBOL_GPL. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Move exported declarations to the function declarationsTrond Myklebust2008-01-30
| | | | | | Do this for all RPC client related functions and XDR functions. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* sunrpc: document the rpc_pipefs kernel apiJ. Bruce Fields2008-01-30
| | | | | | | Add kerneldoc comments for the rpc_pipefs.c functions that are exported. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Reconnect immediately whenever the server isn't refusing it.Trond Myklebust2008-01-30
| | | | | | | If we've disconnected from the server, rather than the other way round, then it makes little sense to wait 3 seconds before reconnecting. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Rename xprt_disconnect()Trond Myklebust2008-01-30
| | | | | | | | xprt_disconnect() should really only be called when the transport shutdown is completed, and it is time to wake up any pending tasks. Rename it to xprt_disconnect_done() in order to reflect the semantical change. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Make call_status()/call_decode() call xprt_force_disconnect()Trond Myklebust2008-01-30
| | | | | | | | | Move the calls to xprt_disconnect() over to xprt_force_disconnect() in order to enable the transport layer to manage the state of the XPRT_CONNECTED flag. Ditto in xs_tcp_read_fraghdr(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: xprt_autoclose() should not call xprt_disconnect()Trond Myklebust2008-01-30
| | | | | | | | | | | The transport layer should do that itself whenever appropriate. Note that the RDMA transport already assumes that it needs to call xprt_disconnect in xprt_rdma_close(). For TCP sockets, we want to call xprt_disconnect() only after the connection has been closed by both ends. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Use shutdown() instead of close() when disconnecting a TCP socketTrond Myklebust2008-01-30
| | | | | | | | | | By using shutdown() rather than close() we allow the RPC client to wait for the TCP close handshake to complete before we start trying to reconnect using the same port. We use shutdown(SHUT_WR) only instead of shutting down both directions, however we wait until the server has closed the connection on its side. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: TCP clear XPRT_CLOSE_WAIT when the socket is closed for writesTrond Myklebust2008-01-30
| | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Allow the client to detect if the TCP connection is closedTrond Myklebust2008-01-30
| | | | | | | | Add an xprt->state bit to enable the TCP ->state_change() method to signal whether or not the TCP connection is in the process of closing down. This will to be used by the reconnection logic in a separate patch. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Fix TCP rebinding logicTrond Myklebust2008-01-30
| | | | | | | | | | | | | | | Currently the TCP rebinding logic assumes that if we're not using a reserved port, then we don't need to reconnect on the same port if a disconnection event occurs. This breaks most RPC duplicate reply cache implementations. Also take into account the fact that xprt_min_resvport and xprt_max_resvport may change while we're reconnecting, since the user may change them at any time via the sysctls. Ensure that we check the port boundaries every time we loop in xs_bind4/xs_bind6. Also ensure that if the boundaries change, we only scan the ports a maximum of 2 times. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Fix a race in xs_tcp_state_change()Trond Myklebust2008-01-30
| | | | | | | When scheduling the autoclose RPC call, we want to ensure that we don't race against the test_bit() call in xprt_clear_locked(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* [IPV6] ADDRLABEL: Fix double free on label deletion.YOSHIFUJI Hideaki2008-01-28
| | | | | | | | | | | | | | If an entry is being deleted because it has only one reference, we immediately delete it and blindly register the rcu handler for it, This results in oops by double freeing that object. This patch fixes it by consolidating the code paths for the deletion; let its rcu handler delete the object if it has no more reference. Bug was found by Mitsuru Chinen <mitch@linux.vnet.ibm.com> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4] fib_trie: remove unneeded NULL checkStephen Hemminger2008-01-28
| | | | | | | | Since fib_route_seq_show now uses hlist_for_each_entry(), the leaf info can not be NULL. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4] fib_trie: More whitespace cleanup.Stephen Hemminger2008-01-28
| | | | | | | Remove extra blank lines. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Use nla_policy for attribute validation in ematchesPatrick McHardy2008-01-28
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Use nla_policy for attribute validation in actionsPatrick McHardy2008-01-28
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Use nla_policy for attribute validation in classifiersPatrick McHardy2008-01-28
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Use nla_policy for attribute validation in packet schedulersPatrick McHardy2008-01-28
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_api: introduce constant for rate table sizePatrick McHardy2008-01-28
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Use typeful attribute parsing helpersPatrick McHardy2008-01-28
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Use typeful attribute construction helpersPatrick McHardy2008-01-28
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Use NLA_PUT_STRING for string dumpingPatrick McHardy2008-01-28
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Use nla_nest_start/nla_nest_endPatrick McHardy2008-01-28
| | | | | | | Use nla_nest_start/nla_nest_end for dumping nested attributes. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Propagate nla_parse return valuePatrick McHardy2008-01-28
| | | | | | | | nla_parse() returns more detailed errno codes, propagate them back on error. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: act_api: use PTR_ERR in tcf_action_init/tcf_action_getPatrick McHardy2008-01-28
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: act_api: use nlmsg_parsePatrick McHardy2008-01-28
| | | | | | | Convert open-coded nlmsg_parse to use the real function. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: act_api: fix netlink API conversion bugPatrick McHardy2008-01-28
| | | | | | | | Fix two invalid attribute accesses, indices start at 1 with the new netlink API. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_netem: use nla_parse_nested_compatPatrick McHardy2008-01-28
| | | | | | | Replace open coded equivalent of nla_parse_nested_compat(). Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_atm: fix format string warningPatrick McHardy2008-01-28
| | | | | | | | | Fix format string warning introduces by the netlink API conversion: net/sched/sch_atm.c:250: warning: format '%lu' expects type 'long unsigned int', but argument 3 has type 'int'. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETNS]: Add namespace for ICMP replying code.Denis V. Lunev2008-01-28
| | | | | | | | | | | All needed API is done, the namespace is available when required from the device on the DST entry from the incoming packet. So, just replace init_net with proper namespace. Other protocols will follow. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETNS]: Routing cache virtualization.Denis V. Lunev2008-01-28
| | | | | | | | | | | | Basically, this piece looks relatively easy. Namespace is already available on the dst entry via device and the device is safe to dereferrence. Compare it with one of a searcher and skip entry if appropriate. The only exception is ip_rt_frag_needed. So, add namespace parameter to it. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Convert actions from rtnetlink to new netlink APIPatrick McHardy2008-01-28
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Convert classifiers from rtnetlink to new netlink APIPatrick McHardy2008-01-28
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Convert packet schedulers from rtnetlink to new netlink APIPatrick McHardy2008-01-28
| | | | | | | | | | | Convert packet schedulers to use the netlink API. Unfortunately a gradual conversion is not possible without breaking compilation in the middle or adding lots of casts, so this patch converts them all in one step. The patch has been mostly generated automatically with some minor edits to at least allow seperate conversion of classifiers and actions. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETLINK]: Add nla_append()Patrick McHardy2008-01-28
| | | | | | | Used to append data to a message without a header or padding. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: mark classifier ops __read_mostlyPatrick McHardy2008-01-28
| | | | | | | Additionally remove unnecessary NULL initilizations of the next pointer. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Move EXPORT_SYMBOL next to exported symbolPatrick McHardy2008-01-28
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETNS]: Add namespace parameter to ip_route_output_key.Denis V. Lunev2008-01-28
| | | | | | | Needed to propagate it down to the ip_route_output_flow. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETNS]: Add namespace parameter to ip_route_output_flow.Denis V. Lunev2008-01-28
| | | | | | | Needed to propagate it down to the __ip_route_output_key. Signed_off_by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETNS]: Add namespace parameter to __ip_route_output_key.Denis V. Lunev2008-01-28
| | | | | | | | This is only required to propagate it down to the ip_route_output_slow. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETNS]: Add namespace parameter to ip_route_output_slow.Denis V. Lunev2008-01-28
| | | | | | | | This function needs a net namespace to lookup devices, fib tables, etc. in, so pass it there. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETNS]: Add namespace parameter to ip_dev_find.Denis V. Lunev2008-01-28
| | | | | | | | in_dev_find() need a namespace to pass it to fib_get_table(), so add an argument. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETNS]: Add netns parameter to fib_select_default.Denis V. Lunev2008-01-28
| | | | | | | | | Currently fib_select_default calls fib_get_table() with the init_net. Prepare it to provide a correct namespace to lookup default route. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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