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* sendfile: convert nfsd to splice_direct_to_actor()Jens Axboe2007-07-10
| | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* Merge branch 'master' of /home/trondmy/repositories/git/linux-2.6/Trond Myklebust2007-05-17
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| * Remove SLAB_CTOR_CONSTRUCTORChristoph Lameter2007-05-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | SLAB_CTOR_CONSTRUCTOR is always specified. No point in checking it. Signed-off-by: Christoph Lameter <clameter@sgi.com> Cc: David Howells <dhowells@redhat.com> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: Steven French <sfrench@us.ibm.com> Cc: Michael Halcrow <mhalcrow@us.ibm.com> Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Miklos Szeredi <miklos@szeredi.hu> Cc: Steven Whitehouse <swhiteho@redhat.com> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Dave Kleikamp <shaggy@austin.ibm.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: "J. Bruce Fields" <bfields@fieldses.org> Cc: Anton Altaparmakov <aia21@cantab.net> Cc: Mark Fasheh <mark.fasheh@oracle.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Christoph Hellwig <hch@lst.de> Cc: Jan Kara <jack@ucw.cz> Cc: David Chinner <dgc@sgi.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | SUNRPC: Fix sparse warningsTrond Myklebust2007-05-14
| | | | | | | | | | | | | | | | | | - net/sunrpc/xprtsock.c:1635:5: warning: symbol 'init_socket_xprt' was not declared. Should it be static? - net/sunrpc/xprtsock.c:1649:6: warning: symbol 'cleanup_socket_xprt' was not declared. Should it be static? Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* | SUNRPC: remove dead variable 'rpciod_running'Christoph Hellwig2007-05-14
|/ | | | | | | | | rpciod_running is not used at all, but due to the way DECLARE_MUTEX_LOCKED works we don't get a warning for it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* sunrpc: fix crash in rpc_malloc()Peter Zijlstra2007-05-09
| | | | | | | | | | | While the comment says: * To prevent rpciod from hanging, this allocator never sleeps, * returning NULL if the request cannot be serviced immediately. The function does not actually check for NULL pointers being returned. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: Fix pointer arithmetic bug recently introduced in rpc_malloc/freeChuck Lever2007-05-09
| | | | | | | | Use a cleaner method to find the size of an rpc_buffer. This actually works on x86-64! Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivialLinus Torvalds2007-05-09
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial: (25 commits) sound: convert "sound" subdirectory to UTF-8 MAINTAINERS: Add cxacru website/mailing list include files: convert "include" subdirectory to UTF-8 general: convert "kernel" subdirectory to UTF-8 documentation: convert the Documentation directory to UTF-8 Convert the toplevel files CREDITS and MAINTAINERS to UTF-8. remove broken URLs from net drivers' output Magic number prefix consistency change to Documentation/magic-number.txt trivial: s/i_sem /i_mutex/ fix file specification in comments drivers/base/platform.c: fix small typo in doc misc doc and kconfig typos Remove obsolete fat_cvf help text Fix occurrences of "the the " Fix minor typoes in kernel/module.c Kconfig: Remove reference to external mqueue library Kconfig: A couple of grammatical fixes in arch/i386/Kconfig Correct comments in genrtc.c to refer to correct /proc file. Fix more "deprecated" spellos. Fix "deprecated" typoes. ... Fix trivial comment conflict in kernel/relay.c.
| * Fix occurrences of "the the "Michael Opdenacker2007-05-09
| | | | | | | | | | Signed-off-by: Michael Opdenacker <michael@free-electrons.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* | knfsd: simplify a 'while' condition in svcsock.cNeilBrown2007-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This while loop has an overly complex condition, which performs a couple of assignments. This hurts readability. We don't really need a loop at all. We can just return -EAGAIN and (providing we set SK_DATA), the function will be called again. So discard the loop, make the complex conditional become a few clear function calls, and hopefully improve readability. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | knfsd: rpcgss: RPC_GSS_PROC_ DESTROY request will get a bad rpcWei Yongjun2007-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If I send a RPC_GSS_PROC_DESTROY message to NFSv4 server, it will reply with a bad rpc reply which lacks an authentication verifier. Maybe this patch is needed. Send/recv packets as following: send: RemoteProcedureCall xid rpcvers = 2 prog = 100003 vers = 4 proc = 0 cred = AUTH_GSS version = 1 gss_proc = 3 (RPCSEC_GSS_DESTROY) service = 1 (RPC_GSS_SVC_NONE) verf = AUTH_GSS checksum reply: RemoteProcedureReply xid msg_type reply_stat accepted_reply Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | knfsd: fix resource leak resulting in module refcount leak for ↵Frank Filz2007-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | rpcsec_gss_krb5.ko I have been investigating a module reference count leak on the server for rpcsec_gss_krb5.ko. It turns out the problem is a reference count leak for the security context in net/sunrpc/auth_gss/svcauth_gss.c. The problem is that gss_write_init_verf() calls gss_svc_searchbyctx() which does a rsc_lookup() but never releases the reference to the context. There is another issue that rpc.svcgssd sets an "end of time" expiration for the context By adding a cache_put() call in gss_svc_searchbyctx(), and setting an expiration timeout in the downcall, cache_clean() does clean up the context and the module reference count now goes to zero after unmount. I also verified that if the context expires and then the client makes a new request, a new context is established. Here is the patch to fix the kernel, I will start a separate thread to discuss what expiration time should be set by rpc.svcgssd. Acked-by: "J. Bruce Fields" <bfields@citi.umich.edu> Signed-off-by: Frank Filz <ffilzlnx@us.ibm.com> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | knfsd: rpc: fix server-side wrapping of krb5i repliesNeilBrown2007-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | It's not necessarily correct to assume that the xdr_buf used to hold the server's reply must have page data whenever it has tail data. And there's no need for us to deal with that case separately anyway. Acked-by: "J. Bruce Fields" <bfields@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | sunrpc: fix error path in module_initAkinobu Mita2007-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | register_rpc_pipefs() needs to clean up rpc_inode_cache by kmem_cache_destroy() on register_filesystem() failure. init_sunrpc() needs to unregister rpc_pipe_fs by unregister_rpc_pipefs() when rpc_init_mempool() returns error. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Neil Brown <neilb@suse.de> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | RPC: add wrapper for svc_reserve to account for checksumJeff Layton2007-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When the kernel calls svc_reserve to downsize the expected size of an RPC reply, it fails to account for the possibility of a checksum at the end of the packet. If a client mounts a NFSv2/3 with sec=krb5i/p, and does I/O then you'll generally see messages similar to this in the server's ring buffer: RPC request reserved 164 but used 208 While I was never able to verify it, I suspect that this problem is also the root cause of some oopses I've seen under these conditions: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=227726 This is probably also a problem for other sec= types and for NFSv4. The large reserved size for NFSv4 compound packets seems to generally paper over the problem, however. This patch adds a wrapper for svc_reserve that accounts for the possibility of a checksum. It also fixes up the appropriate callers of svc_reserve to call the wrapper. For now, it just uses a hardcoded value that I determined via testing. That value may need to be revised upward as things change, or we may want to eventually add a new auth_op that attempts to calculate this somehow. Unfortunately, there doesn't seem to be a good way to reliably determine the expected checksum length prior to actually calculating it, particularly with schemes like spkm3. Signed-off-by: Jeff Layton <jlayton@redhat.com> Acked-by: Neil Brown <neilb@suse.de> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Acked-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | knfsd: rename sk_defer_lock to sk_lockNeilBrown2007-05-09
|/ | | | | | | | | | | | Now that sk_defer_lock protects two different things, make the name more generic. Also don't bother with disabling _bh as the lock is only ever taken from process context. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Fix sunrpc warning noiseGeert Uytterhoeven2007-05-08
| | | | | | | | | | | | | | Commit c5a4dd8b7c15927a8fbff83171b57cad675a79b9 introduced the following compiler warnings: net/sunrpc/sched.c:766: warning: format '%u' expects type 'unsigned int', but argument 3 has type 'size_t' net/sunrpc/sched.c:785: warning: format '%u' expects type 'unsigned int', but argument 2 has type 'size_t' - Use %zu to format size_t - Kill 2 useless casts Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* slab allocators: Remove SLAB_DEBUG_INITIAL flagChristoph Lameter2007-05-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I have never seen a use of SLAB_DEBUG_INITIAL. It is only supported by SLAB. I think its purpose was to have a callback after an object has been freed to verify that the state is the constructor state again? The callback is performed before each freeing of an object. I would think that it is much easier to check the object state manually before the free. That also places the check near the code object manipulation of the object. Also the SLAB_DEBUG_INITIAL callback is only performed if the kernel was compiled with SLAB debugging on. If there would be code in a constructor handling SLAB_DEBUG_INITIAL then it would have to be conditional on SLAB_DEBUG otherwise it would just be dead code. But there is no such code in the kernel. I think SLUB_DEBUG_INITIAL is too problematic to make real use of, difficult to understand and there are easier ways to accomplish the same effect (i.e. add debug code before kfree). There is a related flag SLAB_CTOR_VERIFY that is frequently checked to be clear in fs inode caches. Remove the pointless checks (they would even be pointless without removeal of SLAB_DEBUG_INITIAL) from the fs constructors. This is the last slab flag that SLUB did not support. Remove the check for unimplemented flags from SLUB. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* spkm3: initialize hashJ. Bruce Fields - unquoted2007-05-02
| | | | | | | There's an initialization step here I missed. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* spkm3: remove bad kfree, unnecessary exportJ. Bruce Fields - unquoted2007-05-02
| | | | | | | | | We're kfree()'ing something that was allocated on the stack! Also remove an unnecessary symbol export while we're at it. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* spkm3: fix spkm3's use of hmacJ. Bruce Fields - unquoted2007-05-02
| | | | | | | | I think I botched an attempt to keep an spkm3 patch up-to-date with a recent crypto api change. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: RPC client should retry with different versions of rpcbindChuck Lever2007-05-01
| | | | | Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: remove old portmapperChuck Lever2007-05-01
| | | | | | | net/sunrpc/pmap_clnt.c has been replaced by net/sunrpc/rpcb_clnt.c. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: switch the RPC server to use the new rpcbind registration APIChuck Lever2007-05-01
| | | | | | | | | Eventually this interface will support versions 3 and 4 of the rpcbind protocol, which will allow the Linux RPC server to register services on IPv6 addresses. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: switch socket-based RPC transports to use rpcbindChuck Lever2007-05-01
| | | | | | | | | Now that we have a version of the portmapper that supports versions 3 and 4 of the rpcbind protocol, use it for new RPC client connections over sockets. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> 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>
* SUNRPC: Eliminate side effects from rpc_mallocChuck Lever2007-05-01
| | | | | | | | | | | | | | Currently rpc_malloc sets req->rq_buffer internally. Make this a more generic interface: return a pointer to the new buffer (or NULL) and make the caller set req->rq_buffer and req->rq_bufsize. This looks much more like kmalloc and eliminates the side effects. To fix a potential deadlock, this patch also replaces GFP_NOFS with GFP_NOWAIT in rpc_malloc. This prevents async RPCs from sleeping outside the RPC's task scheduler while allocating their buffer. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* SUNRPC: RPC buffer size estimates are too largeChuck Lever2007-05-01
| | | | | | | | | | | | | | | | | | | The RPC buffer size estimation logic in net/sunrpc/clnt.c always significantly overestimates the requirements for the buffer size. A little instrumentation demonstrated that in fact rpc_malloc was never allocating the buffer from the mempool, but almost always called kmalloc. To compute the size of the RPC buffer more precisely, split p_bufsiz into two fields; one for the argument size, and one for the result size. Then, compute the sum of the exact call and reply header sizes, and split the RPC buffer precisely between the two. That should keep almost all RPC buffers within the 2KiB buffer mempool limit. And, we can finally be rid of RPC_SLACK_SPACE! Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* [SUNRPC]: cleanup: use seq_release_private() where appropriateMartin Peschke2007-04-26
| | | | | | | | | We can save some lines of code by using seq_release_private(). Signed-off-by: Martin Peschke <mp3@de.ibm.com> Acked-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Treat CHECKSUM_PARTIAL as CHECKSUM_UNNECESSARYHerbert Xu2007-04-26
| | | | | | | | | When a transmitted packet is looped back directly, CHECKSUM_PARTIAL maps to the semantics of CHECKSUM_UNNECESSARY. Therefore we should treat it as such in the stack. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: convert network timestamps to ktime_tEric Dumazet2007-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We currently use a special structure (struct skb_timeval) and plain 'struct timeval' to store packet timestamps in sk_buffs and struct sock. This has some drawbacks : - Fixed resolution of micro second. - Waste of space on 64bit platforms where sizeof(struct timeval)=16 I suggest using ktime_t that is a nice abstraction of high resolution time services, currently capable of nanosecond resolution. As sizeof(ktime_t) is 8 bytes, using ktime_t in 'struct sock' permits a 8 byte shrink of this structure on 64bit architectures. Some other structures also benefit from this size reduction (struct ipq in ipv4/ip_fragment.c, struct frag_queue in ipv6/reassembly.c, ...) Once this ktime infrastructure adopted, we can more easily provide nanosecond resolution on top of it. (ioctl SIOCGSTAMPNS and/or SO_TIMESTAMPNS/SCM_TIMESTAMPNS) Note : this patch includes a bug correction in compat_sock_get_timestamp() where a "err = 0;" was missing (so this syscall returned -ENOENT instead of 0) Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> CC: Stephen Hemminger <shemminger@linux-foundation.org> CC: John find <linux.kernel@free.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
* RPC: Fix the TCP resend semantics for NFSv4Trond Myklebust2007-04-21
| | | | | | | | | | | | | | | | | | | | Fix a regression due to the patch "NFS: disconnect before retrying NFSv4 requests over TCP" The assumption made in xprt_transmit() that the condition "req->rq_bytes_sent == 0 and request is on the receive list" should imply that we're dealing with a retransmission is false. Firstly, it may simply happen that the socket send queue was full at the time the request was initially sent through xprt_transmit(). Secondly, doing this for each request that was retransmitted implies that we disconnect and reconnect for _every_ request that happened to be retransmitted irrespective of whether or not a disconnection has already occurred. Fix is to move this logic into the call_status request timeout handler. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* knfsd: use a spinlock to protect sk_info_authunixNeilBrown2007-04-17
| | | | | | | | | | | | | | | | | sk_info_authunix is not being protected properly so the object that it points to can be cache_put twice, leading to corruption. We borrow svsk->sk_defer_lock to provide the protection. We should probably rename that lock to have a more generic name - later. Thanks to Gabriel for reporting this. Cc: Greg Banks <gnb@melbourne.sgi.com> Cc: Gabriel Barazer <gabriel@oxeva.fr> Signed-off-by: Neil Brown <neilb@suse.de> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [SUNRPC]: Make sure on-stack cmsg buffer is properly aligned.David S. Miller2007-04-12
| | | | | | Based upon a report from Meelis Roos. Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] net/sunrpc/svcsock.c: fix a checkAdrian Bunk2007-04-05
| | | | | | | | | | | | | | The return value of kernel_recvmsg() should be assigned to "err", not compared with the random value of a never initialized "err" (and the "< 0" check wrongly always returned false since == comparisons never have a result < 0). Spotted by the Coverity checker. Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] knfsd: provide sunrpc pool_mode module optionGreg Banks2007-03-06
| | | | | | | | | | | | | | | | | | | | | | Provide a module param "pool_mode" for sunrpc.ko which allows a sysadmin to choose the mode for mapping NFS thread service pools to CPUs. Values are: auto choose a mapping mode heuristically global (default, same as the pre-2.6.19 code) a single global pool percpu one pool per CPU pernode one pool per NUMA node Note that since 2.6.19 the hardcoded behaviour has been "auto", this patch makes the default "global". The pool mode can be changed after boot/modprobe using /sys, if the NFS and lockd services have been shut down. A useful side effect of this change is to fix a small memory leak when unloading the module. Signed-off-by: Greg Banks <gnb@melbourne.sgi.com> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] knfsd: fix recently introduced problem with shutting down a busy NFS ↵NeilBrown2007-03-06
| | | | | | | | | | | | | | | | | | | | | server When the last thread of nfsd exits, it shuts down all related sockets. It currently uses svc_close_socket to do this, but that only is immediately effective if the socket is not SK_BUSY. If the socket is busy - i.e. if a request has arrived that has not yet been processes - svc_close_socket is not effective and the shutdown process spins. So create a new svc_force_close_socket which removes the SK_BUSY flag is set and then calls svc_close_socket. Also change some open-codes loops in svc_destroy to use list_for_each_entry_safe. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] knfsd: remove CONFIG_IPV6 ifdefs from sunrpc server codeNeilBrown2007-03-06
| | | | | | | | They don't really save that much, and aren't worth the hassle. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] knfsd: use recv_msg to get peer address for NFSD instead of code-copyingNeilBrown2007-03-06
| | | | | | | | | | | | | | | | The sunrpc server code needs to know the source and destination address for UDP packets so it can reply properly. It currently copies code out of the network stack to pick the pieces out of the skb. This is ugly and causes compile problems with the IPv6 stuff. So, rip that out and use recv_msg instead. This is a much cleaner interface, but has a slight cost in that the checksum is now checked before the copy, so we don't benefit from doing both at the same time. This can probably be fixed. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] Convert highest_possible_processor_id to nr_cpu_idsChristoph Lameter2007-02-20
| | | | | | | | | | | | | | | | | We frequently need the maximum number of possible processors in order to allocate arrays for all processors. So far this was done using highest_possible_processor_id(). However, we do need the number of processors not the highest id. Moreover the number was so far dynamically calculated on each invokation. The number of possible processors does not change when the system is running. We can therefore calculate that number once. Signed-off-by: Christoph Lameter <clameter@sgi.com> Cc: Frederik Deweerdt <frederik.deweerdt@gmail.com> Cc: Neil Brown <neilb@suse.de> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] Replace highest_possible_node_id() with nr_node_idsChristoph Lameter2007-02-20
| | | | | | | | | | | | | | | | | | | | | | | | highest_possible_node_id() is currently used to calculate the last possible node idso that the network subsystem can figure out how to size per node arrays. I think having the ability to determine the maximum amount of nodes in a system at runtime is useful but then we should name this entry correspondingly, it should return the number of node_ids, and the the value needs to be setup only once on bootup. The node_possible_map does not change after bootup. This patch introduces nr_node_ids and replaces the use of highest_possible_node_id(). nr_node_ids is calculated on bootup when the page allocators pagesets are initialized. [deweerdt@free.fr: fix oops] Signed-off-by: Christoph Lameter <clameter@sgi.com> Cc: Neil Brown <neilb@suse.de> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Frederik Deweerdt <frederik.deweerdt@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] sysctl: remove insert_at_head from register_sysctlEric W. Biederman2007-02-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The semantic effect of insert_at_head is that it would allow new registered sysctl entries to override existing sysctl entries of the same name. Which is pain for caching and the proc interface never implemented. I have done an audit and discovered that none of the current users of register_sysctl care as (excpet for directories) they do not register duplicate sysctl entries. So this patch simply removes the support for overriding existing entries in the sys_sysctl interface since no one uses it or cares and it makes future enhancments harder. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: David Howells <dhowells@redhat.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Andi Kleen <ak@muc.de> Cc: Jens Axboe <axboe@kernel.dk> Cc: Corey Minyard <minyard@acm.org> Cc: Neil Brown <neilb@suse.de> Cc: "John W. Linville" <linville@tuxdriver.com> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Jan Kara <jack@ucw.cz> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Mark Fasheh <mark.fasheh@oracle.com> Cc: David Chinner <dgc@sgi.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Patrick McHardy <kaber@trash.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] sysctl: sunrpc: don't unnecessarily set ctl_table->deEric W. Biederman2007-02-14
| | | | | | | | | | | We don't need this to prevent module unload races so remove the unnecessary code. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] sysctl: sunrpc: remove unnecessary insert_at_head flagEric W. Biederman2007-02-14
| | | | | | | | | | | Because the sunrpc sysctls don't conflict with any other sysctls the setting the insert at head flag to register_sysctl has no semantic meaning. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] remove many unneeded #includes of sched.hTim Schmielau2007-02-14
| | | | | | | | | | | | | | | | | | | | | | | | After Al Viro (finally) succeeded in removing the sched.h #include in module.h recently, it makes sense again to remove other superfluous sched.h includes. There are quite a lot of files which include it but don't actually need anything defined in there. Presumably these includes were once needed for macros that used to live in sched.h, but moved to other header files in the course of cleaning it up. To ease the pain, this time I did not fiddle with any header files and only removed #includes from .c-files, which tend to cause less trouble. Compile tested against 2.6.20-rc2 and 2.6.20-rc2-mm2 (with offsets) on alpha, arm, i386, ia64, mips, powerpc, and x86_64 with allnoconfig, defconfig, allmodconfig, and allyesconfig as well as a few randconfigs on x86_64 and all configs in arch/arm/configs on arm. I also checked that no new warnings were introduced by the patch (actually, some warnings are removed that were emitted by unnecessarily included header files). Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [PATCH] knfsd: allow the server to provide a gid list when using AUTH_UNIX ↵NeilBrown2007-02-14
| | | | | | | | | | | | | | | | | authentication AUTH_UNIX authentication (the standard with NFS) has a limit of 16 groups ids. This causes problems for people in more than 16 groups. So allow the server to map a uid into a list of group ids based on local knowledge rather depending on the (possibly truncated) list from the client. If there is no process on the server responding to upcalls, the gidlist in the request will still be used. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'master' of /home/trondmy/kernel/linux-2.6/Trond Myklebust2007-02-13
|\ | | | | | | | | | | | | | | | | | | Conflicts: net/sunrpc/auth_gss/gss_krb5_crypto.c net/sunrpc/auth_gss/gss_spkm3_token.c net/sunrpc/clnt.c Merge with mainline and fix conflicts.
| * [PATCH] mark struct file_operations const 8Arjan van de Ven2007-02-12
| | | | | | | | | | | | | | | | | | | | | | Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * [PATCH] knfsd: SUNRPC: fix up svc_create_socket() to take a sockaddr struct ↵Chuck Lever2007-02-12
| | | | | | | | | | | | | | | | | | | | | | | | | | + length Replace existing svc_create_socket() API to allow callers to pass addresses larger than a sockaddr_in. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * [PATCH] knfsd: SUNRPC: support IPv6 addresses in RPC server's UDP receive pathChuck Lever2007-02-12
| | | | | | | | | | | | | | | | | | | | | | Add support for IPv6 addresses in the RPC server's UDP receive path. [akpm@linux-foundation.org: cleanups] Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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