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* 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>
* NFS: Stop sillyname renames and unmounts from racingSteve Dickson2008-01-30
| | | | | | | | | Added an active/deactive mechanism to the nfs_server structure allowing async operations to hold off umount until the operations are done. Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFSv4: Clean up the OPEN/CLOSE serialisation codeTrond Myklebust2008-01-30
| | | | | | | | Reduce the time spent locking the rpc_sequence structure by queuing the nfs_seqid only when we are ready to take the lock (when calling nfs_wait_on_sequence). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Clean up the write request locking.Trond Myklebust2008-01-30
| | | | | | Ensure that we set/clear NFS_PAGE_TAG_LOCKED when the nfs_page is hashed. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Optimise nfs_vm_page_mkwrite()Trond Myklebust2008-01-30
| | | | | | | The current model locks the page twice for no good reason. Optimise by inlining the parts of nfs_write_begin()/nfs_write_end() that we care about. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Ensure that we eject stale inodes as soon as possibleTrond Myklebust2008-01-30
| | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Handle -ENOENT errors in unlink()/rmdir()/rename()Trond Myklebust2008-01-30
| | | | | | | If the server returns an ENOENT error, we still need to do a d_delete() in order to ensure that the dentry is deleted. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Sillyrename: in the case of a race, check aliases are really positiveTrond Myklebust2008-01-30
| | | | | | | | | In nfs_do_call_unlink() we check that we haven't raced, and that lookup() hasn't created an aliased dentry to our sillydeleted dentry. If somebody has deleted the file on the server and the lookup() resulted in a negative dentry, then ignore... Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* NFS: Fix a sillyrename race...Trond Myklebust2008-01-30
| | | | | | | | | | | Ensure that readdir revalidates its data cache after blocking on sillyrename. Also fix a typo in nfs_do_call_unlink(): swap the ^= for an |=. The result is the same, since we've already checked that the flag is unset, but it makes the code more readable. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* Mostly revert "e1000/e1000e: Move PCI-Express device IDs over to e1000e"Linus Torvalds2008-01-29
| | | | | | | | | | | | | | The new e1000e driver is apparently not yet suitable for general use, so mark it experimental, and re-instate all the PCI-Express device IDs in the old and stable e1000 driver so that people (namely me) can continue to use a driver that actually works. Auke & co have been appraised of the situation. Cc: Auke Kok <auke-jan.h.kok@intel.com> Cc: Jeff Garzik <jeff@garzik.org> Cc: David Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* splice: fix problem with atime not being updatedJens Axboe2008-01-29
| | | | | | | | | A bug report on nfsd that states that since it was switched to use splice instead of sendfile, the atime was no longer being updated on the input file. do_generic_mapping_read() does this when accessing the file, make splice do it for the direct splice handler. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: constify function pointer tablesJan Engelhardt2008-01-29
| | | | | Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cciss: fix bug in overriding ->data_len before completionJens Axboe2008-01-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For BLOCK_PC requests, we need that length for completing the request. Andrew Vasquez <andrew.vasquez@qlogic.com> reported the following oops Hitting a consistent BUG() with recent Linus' linux-2.6.git: [ 12.941428] ------------[ cut here ]------------ [ 12.944874] kernel BUG at drivers/block/cciss.c:1260! [ 12.944874] invalid opcode: 0000 [1] SMP [ 12.944874] CPU 0 [ 12.944874] Modules linked in: [ 12.944874] Pid: 0, comm: swapper Not tainted 2.6.24 #43 [ 12.944874] RIP: 0010:[<ffffffff8039e43d>] [<ffffffff8039e43d>] cciss_softirq_done+0xbc/0x1bf [ 12.944874] RSP: 0018:ffffffff8063aed0 EFLAGS: 00010202 [ 12.944874] RAX: 0000000000000001 RBX: ffff8100cf800010 RCX: ffff81042f1253b0 [ 12.944874] RDX: ffff81042de398f0 RSI: ffff81042de398f0 RDI: 0000000000000001 [ 12.944874] RBP: ffff81042daa0000 R08: ffff81042f1253b0 R09: 0000000000000001 [ 12.944874] R10: 00000000000000fe R11: 0000000000000000 R12: 0000000000000002 [ 12.944874] R13: 0000000000000001 R14: ffff8100cf800000 R15: ffff81042de398f0 [ 12.944874] FS: 0000000000000000(0000) GS:ffffffff805bb000(0000) knlGS:0000000000000000 [ 12.944874] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b [ 12.944874] CR2: 00002afed7eea340 CR3: 000000042dbba000 CR4: 00000000000006e0 [ 12.944874] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 12.944874] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 12.944874] Process swapper (pid: 0, threadinfo ffffffff805f4000, task ffffffff805624a0) [ 12.944874] Stack: 0000000000000000 ffffffff8063af10 0000000000000001 ffffffff80632d60 [ 12.944874] 0000000000000000 000000000000000a ffffffff805bb900 ffffffff8032038f [ 12.944874] ffffffff8063af10 ffffffff8063af10 ffffffff805bb940 ffffffff802346b4 [ 12.944874] Call Trace: [ 12.944874] <IRQ> [<ffffffff8032038f>] blk_done_softirq+0x69/0x78 [ 12.944874] [<ffffffff802346b4>] __do_softirq+0x6f/0xd8 [ 12.944874] [<ffffffff8020c45c>] call_softirq+0x1c/0x30 [ 12.944874] [<ffffffff8020e347>] do_softirq+0x30/0x80 [ 12.944874] [<ffffffff8020e409>] do_IRQ+0x72/0xd9 [ 12.944874] [<ffffffff8020a50a>] mwait_idle+0x0/0x46 [ 12.944874] [<ffffffff8020a3da>] default_idle+0x0/0x3d [ 12.944874] [<ffffffff8020b7e1>] ret_from_intr+0x0/0xa [ 12.944874] <EOI> [<ffffffff8020a54c>] mwait_idle+0x42/0x46 [ 12.944874] [<ffffffff8020a481>] cpu_idle+0x6a/0xae [ 12.944874] [ 12.944874] [ 12.944874] Code: 0f 0b eb fe 48 8d 85 d8 c0 00 00 48 89 04 24 48 89 c7 e8 e5 [ 12.944874] RIP [<ffffffff8039e43d>] cciss_softirq_done+0xbc/0x1bf [ 12.944874] RSP <ffffffff8063aed0> [ 12.944903] ---[ end trace e9c631603f90d22f ]--- which is caused by blk_end_request() returning 'not done' for a request, since it gets asked to complete zero bytes. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* Expose hardware sector sizeMartin K. Petersen2008-01-29
| | | | | | | Expose hardware sector size in sysfs queue directory. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* Fix blktrace compile warningMartin K. Petersen2008-01-29
| | | | | | | request_queue_t is deprecated Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: fix warning on compile with CONFIG_BLOCKJens Axboe2008-01-29
| | | | | | struct io_context was not defined, just add an empty forward decl. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: ll_rw_blk.c split, add blk-merge.cJens Axboe2008-01-29
| | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: remove dated (and wrong) comment in blk-core.cJens Axboe2008-01-29
| | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: get rid of unnecessary forward declarations in blk-core.cJens Axboe2008-01-29
| | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: continue ll_rw_blk.c splitupJens Axboe2008-01-29
| | | | | | | Adds files for barrier handling, rq execution, io context handling, mapping data to requests, and queue settings. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: split tag and sysfs handling from blk-core.cJens Axboe2008-01-29
| | | | | | Seperates the tag and sysfs handling from ll_rw_blk. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: first step of splitting ll_rw_blk, rename itJens Axboe2008-01-29
| | | | | | Then we retain history in blk-core.c Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* xsysace: end request handling fixJens Axboe2008-01-29
| | | | | | | | | In ace_fsm_dostate(), the variable 'i' was used only for passing sector size of the request to end_that_request_first(). So I removed it and changed the code to pass the size in bytes directly to __blk_end_request() Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.25Linus Torvalds2008-01-29
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.25: (1470 commits) [IPV6] ADDRLABEL: Fix double free on label deletion. [PPP]: Sparse warning fixes. [IPV4] fib_trie: remove unneeded NULL check [IPV4] fib_trie: More whitespace cleanup. [NET_SCHED]: Use nla_policy for attribute validation in ematches [NET_SCHED]: Use nla_policy for attribute validation in actions [NET_SCHED]: Use nla_policy for attribute validation in classifiers [NET_SCHED]: Use nla_policy for attribute validation in packet schedulers [NET_SCHED]: sch_api: introduce constant for rate table size [NET_SCHED]: Use typeful attribute parsing helpers [NET_SCHED]: Use typeful attribute construction helpers [NET_SCHED]: Use NLA_PUT_STRING for string dumping [NET_SCHED]: Use nla_nest_start/nla_nest_end [NET_SCHED]: Propagate nla_parse return value [NET_SCHED]: act_api: use PTR_ERR in tcf_action_init/tcf_action_get [NET_SCHED]: act_api: use nlmsg_parse [NET_SCHED]: act_api: fix netlink API conversion bug [NET_SCHED]: sch_netem: use nla_parse_nested_compat [NET_SCHED]: sch_atm: fix format string warning [NETNS]: Add namespace for ICMP replying code. ...
| * [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>
| * [PPP]: Sparse warning fixes.Stephen Hemminger2008-01-28
| | | | | | | | | | | | | | | | | | Fix a bunch of warnings in PPP and related drivers. Mostly because sparse doesn't like it when the the function is only marked private in the forward declaration. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> 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>
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