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* | NFS/SUNRPC: Convert all users of rpc_call_setup()Trond Myklebust2008-01-30
| | | | | | | | | | | | | | Replace use of rpc_call_setup() with rpc_init_task(), and in cases where we need to initialise task->tk_action, with rpc_call_start(). 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>
* [2.6 patch] net/sunrpc/rpcb_clnt.c: make struct rpcb_program staticAdrian Bunk2007-10-09
| | | | | | | This patch makes the needlessly global struct rpcb_program static. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS/SUNRPC: use transport protocol naming\"Talpey, Thomas\2007-10-09
| | | | | | | | Instead of an { address family, raw IP protocol number }-tuple, use the newly-defined RPC identifier when creating clients in the upper layers. Signed-off-by: Tom Talpey <tmt@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: add EXPORT_SYMBOL_GPL for generic transport functions\"Talpey, Thomas\2007-10-09
| | | | | | | | | | | | | SUNRPC: add EXPORT_SYMBOL_GPL for generic transport functions As a preface to allowing arbitrary transport modules to be loaded dynamically, add EXPORT_SYMBOL_GPL for all generic transport functions that a transport implementation might want to use. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Acked-by: Tom Talpey <tmt@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: export per-transport rpcbind netid's\"Talpey, Thomas\2007-10-09
| | | | | | | | The rpcbind (v3+) netid is provided by each RPC client transport. This fixes an omission in IPv6 rpcbind client support, and enables future extension. Signed-off-by: Tom Talpey <tmt@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: move per-transport rpcbind netid's\"Talpey, Thomas\2007-10-09
| | | | | | | Move the TCP/UDP rpcbind netid's from the rpcbind client to a global header. Signed-off-by: Tom Talpey <tmt@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Split another new rpcbind retry error code from EACCESChuck Lever2007-10-09
| | | | | | | | | | | | | | | | | | | Add more new error code processing to the kernel's rpcbind client and to call_bind_status() to distinguish two cases: Case 1: the remote has replied that the program/version tuple is not registered (returns EACCES) Case 2: retry with a lesser rpcbind version (rpcb now returns EPFNOSUPPORT) This change allows more specific error processing for each of these two cases. We now fail case 2 instead of retrying... it's a server configuration error not to support even rpcbind version 2. And don't expose this new error code to user land -- convert it to EIO before failing the RPC. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Add a new error code for retry waiting for another binderChuck Lever2007-10-09
| | | | | | | | | | | | | | | | | Add new error code processing to the kernel's rpcbind client and to call_bind_status() to distinguish two cases: Case 1: the remote has replied that the program/version tuple is not registered (returns -EACCES) Case 2: another process is already in the middle of binding on this transport (now returns -EAGAIN) This change allows more specific retry processing for each of these two cases. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Retry bad rpcbind repliesChuck Lever2007-10-09
| | | | | | | | | When a server returns a bad rpcbind reply, make rpcbind client recovery logic retry with an older protocol version. Older versions are more likely to work correctly. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Make rpcb_decode_getaddr more picky about universal addressesChuck Lever2007-10-09
| | | | | | | | | Add better sanity checking of server replies to the GETVERSADDR reply decoder. Change the error return code: EIO is what other XDR decoding routines return if there is a failure while decoding. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Use correct argument type in memcpy()Chuck Lever2007-10-09
| | | | | | | | | | | | | | Noticed by Tom Talpey <tmt@netapp.com>: OBTW, there's a nit on that memcpy, too. The r_addr is an array, so memcpy(&map->r_addr is passing the address of the array as a char **. It's the same as map->r_addr, but technically the wrong type. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Fix generation of universal addresses forChuck Lever2007-10-09
| | | | | | | | | | | | | | | | | | Fix some problems with rpcbind v3 and v4 queries from the in-kernel rpcbind client: 1. The r_addr argument must be a full universal address, not just an IP address, and 2. The universal address in r_addr is the address of the remote rpcbind server, not the RPC service being requested This addresses bugzilla.kernel.org report 8891 for 2.6.23-rc and greater. In addition, if the rpcbind client is unable to start the rpcbind request, make sure not to leak the xprt. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
* SUNRPC: add support for IPv6 to the kernel's rpcbind clientChuck Lever2007-10-09
| | | | | | | | | | | | | | | Prepare for adding IPv6 support to the RPC client by adding IPv6 capabilities to rpcbind. Note that this is support on the query side only; registering IPv6 addresses with the local portmapper will come later. Note we have to take care not to fall back to using version 2 of the rpcbind protocol if we're dealing with IPv6 address. Version 2 doesn't support IPv6 at all. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Fix a signed v. unsigned comparison in rpcbind's XDR routinesChuck Lever2007-10-09
| | | | | Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Rename rpcb_getport to be consistent with new rpcb_getport_sync nameChuck Lever2007-07-10
| | | | | | | | Clean up, for consistency. Rename rpcb_getport as rpcb_getport_async, to match the naming scheme of rpcb_getport_sync. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Rename rpcb_getport_external routineChuck Lever2007-07-10
| | | | | | | | | In preparation for handling NFS mount option parsing in the kernel, rename rpcb_getport_external as rpcb_get_port_sync, and make it available always (instead of only when CONFIG_ROOT_NFS is enabled). Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Allow rpcbind requests to be interrupted by a signal.Chuck Lever2007-07-10
| | | | | | | | This allows NFS mount requests and RPC re-binding to be interruptible if the server isn't responding. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Remove rpc_clnt->cl_countTrond Myklebust2007-07-10
| | | | | | | | | | | | The kref now does most of what cl_count + cl_user used to do. The only remaining role for cl_count is to tell us if we are in a 'shutdown' phase. We can provide that information using a single bit field instead of a full atomic counter. Also rename rpc_destroy_client() to rpc_close_client(), which reflects better what its role is these days. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Kill rpc_clnt->cl_oneshotTrond Myklebust2007-07-10
| | | | | | | Replace it with explicit calls to rpc_shutdown_client() or rpc_destroy_client() (for the case of asynchronous calls). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: introduce rpcbind: replacement for in-kernel portmapperChuck Lever2007-05-01
Introduce a replacement for the in-kernel portmapper client that supports all 3 versions of the rpcbind protocol. This code is not used yet. Original code by Groupe Bull updated for the latest kernel, with multiple bug fixes. Note that rpcb_clnt.c does not yet support registering via versions 3 and 4 of the rpcbind protocol. That is planned for a later patch. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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