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2011-12-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2-13/+27
Conflicts: net/bluetooth/l2cap_core.c Just two overlapping changes, one added an initialization of a local variable, and another change added a new local variable. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-12net: use IS_ENABLED(CONFIG_IPV6)Eric Dumazet4-13/+13
Instead of testing defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-12-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller1-3/+4
2011-12-01SUNRPC: Ensure we always bump the backlog queue in xprt_free_slotTrond Myklebust1-6/+4
Whenever we free a slot, we know that the resulting xprt->num_reqs will be less than xprt->max_reqs, so we know that we can release at least one backlogged rpc_task. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@vger.kernel.org [>=3.1]
2011-12-01SUNRPC: Fix the execution time statistics in the face of RPC restartsTrond Myklebust1-7/+23
If the rpc_task gets restarted, then we want to ensure that we don't double-count the execution time statistics, timeout data, etc. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-11-23SUNRPC: Ensure we return EAGAIN in xs_nospace if congestion is clearedTrond Myklebust1-2/+1
By returning '0' instead of 'EAGAIN' when the tests in xs_nospace() fail to find evidence of socket congestion, we are making the RPC engine believe that the message was incorrectly sent and so it disconnects the socket instead of just retrying. The bug appears to have been introduced by commit 5e3771ce2d6a69e10fcc870cdf226d121d868491 (SUNRPC: Ensure that xs_nospace return values are propagated). Reported-by: Andrew Cooper <andrew.cooper3@citrix.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@vger.kernel.org [>= 2.6.30] Tested-by: Andrew Cooper <andrew.cooper3@citrix.com>
2011-11-23net: remove ipv6_addr_copy()Alexey Dobriyan2-5/+5
C assignment can handle struct in6_addr copying. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-22Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds1-1/+3
* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: NFS: Revert pnfs ugliness from the generic NFS read code path SUNRPC: destroy freshly allocated transport in case of sockaddr init error NFS: Fix a regression in the referral code nfs: move nfs_file_operations declaration to bottom of file.c (try #2) nfs: when attempting to open a directory, fall back on normal lookup (try #5)
2011-11-10SUNRPC: destroy freshly allocated transport in case of sockaddr init errorStanislav Kinsbursky1-1/+3
Otherwise we will leak xprt structure and struct net reference. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-11-07Merge branch 'modsplit-Oct31_2011' of ↵Linus Torvalds6-0/+6
git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux * 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux: (230 commits) Revert "tracing: Include module.h in define_trace.h" irq: don't put module.h into irq.h for tracking irqgen modules. bluetooth: macroize two small inlines to avoid module.h ip_vs.h: fix implicit use of module_get/module_put from module.h nf_conntrack.h: fix up fallout from implicit moduleparam.h presence include: replace linux/module.h with "struct module" wherever possible include: convert various register fcns to macros to avoid include chaining crypto.h: remove unused crypto_tfm_alg_modname() inline uwb.h: fix implicit use of asm/page.h for PAGE_SIZE pm_runtime.h: explicitly requires notifier.h linux/dmaengine.h: fix implicit use of bitmap.h and asm/page.h miscdevice.h: fix up implicit use of lists and types stop_machine.h: fix implicit use of smp.h for smp_processor_id of: fix implicit use of errno.h in include/linux/of.h of_platform.h: delete needless include <linux/module.h> acpi: remove module.h include from platform/aclinux.h miscdevice.h: delete unnecessary inclusion of module.h device_cgroup.h: delete needless include <linux/module.h> net: sch_generic remove redundant use of <linux/module.h> net: inet_timewait_sock doesnt need <linux/module.h> ... Fix up trivial conflicts (other header files, and removal of the ab3550 mfd driver) in - drivers/media/dvb/frontends/dibx000_common.c - drivers/media/video/{mt9m111.c,ov6650.c} - drivers/mfd/ab3550-core.c - include/linux/dmaengine.h
2011-11-03Merge branch 'osd-devel' into nfs-for-nextTrond Myklebust5-31/+50
2011-11-01treewide: use __printf not __attribute__((format(printf,...)))Joe Perches1-3/+2
Standardize the style for compiler based printf format verification. Standardized the location of __printf too. Done via script and a little typing. $ grep -rPl --include=*.[ch] -w "__attribute__" * | \ grep -vP "^(tools|scripts|include/linux/compiler-gcc.h)" | \ xargs perl -n -i -e 'local $/; while (<>) { s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*printf\s*,\s*(.+)\s*,\s*(.+)\s*\)\s*\)\s*\)/__printf($1, $2)/g ; print; }' [akpm@linux-foundation.org: revert arch bits] Signed-off-by: Joe Perches <joe@perches.com> Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modulesPaul Gortmaker4-0/+4
These files are non modular, but need to export symbols using the macros now living in export.h -- call out the include so that things won't break when we remove the implicit presence of module.h from everywhere. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-11-01net: Fix files explicitly needing to include module.hPaul Gortmaker2-0/+2
With calls to modular infrastructure, these files really needs the full module.h header. Call it out so some of the cleanups of implicit and unrequired includes elsewhere can be cleaned up. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-10-25Merge branch 'nfs-for-3.2' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds5-29/+31
* 'nfs-for-3.2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (26 commits) Check validity of cl_rpcclient in nfs_server_list_show NFS: Get rid of the nfs_rdata_mempool NFS: Don't rely on PageError in nfs_readpage_release_partial NFS: Get rid of unnecessary calls to ClearPageError() in read code NFS: Get rid of nfs_restart_rpc() NFS: Get rid of the unused nfs_write_data->flags field NFS: Get rid of the unused nfs_read_data->flags field NFSv4: Translate NFS4ERR_BADNAME into ENOENT when applied to a lookup NFS: Remove the unused "lookupfh()" version of nfs4_proc_lookup() NFS: Use the inode->i_version to cache NFSv4 change attribute information SUNRPC: Remove unnecessary export of rpc_sockaddr2uaddr SUNRPC: Fix rpc_sockaddr2uaddr nfs/super.c: local functions should be static pnfsblock: fix writeback deadlock pnfsblock: fix NULL pointer dereference pnfs: recoalesce when ld read pagelist fails pnfs: recoalesce when ld write pagelist fails pnfs: make _set_lo_fail generic pnfsblock: add missing rpc_put_mount and path_put SUNRPC/NFS: make rpc pipe upcall generic ...
2011-10-25Merge branch 'for-3.2' of git://linux-nfs.org/~bfields/linuxLinus Torvalds4-26/+46
* 'for-3.2' of git://linux-nfs.org/~bfields/linux: (103 commits) nfs41: implement DESTROY_CLIENTID operation nfsd4: typo logical vs bitwise negate for want_mask nfsd4: allow NFS4_SHARE_SIGNAL_DELEG_WHEN_RESRC_AVAIL | NFS4_SHARE_PUSH_DELEG_WHEN_UNCONTENDED nfsd4: seq->status_flags may be used unitialized nfsd41: use SEQ4_STATUS_BACKCHANNEL_FAULT when cb_sequence is invalid nfsd4: implement new 4.1 open reclaim types nfsd4: remove unneeded CLAIM_DELEGATE_CUR workaround nfsd4: warn on open failure after create nfsd4: preallocate open stateid in process_open1() nfsd4: do idr preallocation with stateid allocation nfsd4: preallocate nfs4_file in process_open1() nfsd4: clean up open owners on OPEN failure nfsd4: simplify process_open1 logic nfsd4: make is_open_owner boolean nfsd4: centralize renew_client() calls nfsd4: typo logical vs bitwise negate nfs: fix bug about IPv6 address scope checking nfsd4: more robust ignoring of WANT bits in OPEN nfsd4: move name-length checks to xdr nfsd4: move access/deny validity checks to xdr code ...
2011-10-25SUNRPC: remove rpcbind clients destruction on module cleanupStanislav Kinsbursky2-15/+0
Rpcbind clients destruction during SUNRPC module removing is obsolete since now those clients are destroying during last RPC service shutdown. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-10-25SUNRPC: remove rpcbind clients creation during service registeringStanislav Kinsbursky1-9/+0
We don't need this code since rpcbind clients are creating during RPC service creation. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-10-25NFSd: call svc rpcbind cleanup explicitlyStanislav Kinsbursky1-1/+2
We have to call svc_rpcb_cleanup() explicitly from nfsd_last_thread() since this function is registered as service shutdown callback and thus nobody else will done it for us. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-10-25SUNRPC: cleanup service destructionStanislav Kinsbursky1-1/+0
svc_unregister() call have to be removed from svc_destroy() since it will be called in sv_shutdown callback. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-10-25SUNRPC: setup rpcbind clients if service requires itStanislav Kinsbursky1-2/+9
New function ("svc_uses_rpcbind") will be used to detect, that new service will send portmapper register calls. For such services we will create rpcbind clients and remove all stale portmap registrations. Also, svc_rpcb_cleanup() will be set as sv_shutdown callback for such services in case of this field wasn't initialized earlier. This will allow to destroy rpcbind clients when no other users of them left. Note: Currently, any creating service will be detected as portmap user. Probably, this is wrong. But now it depends on program versions "vs_hidden" flag. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-10-25SUNRPC: introduce svc helpers for prepairing rpcbind infrastructureStanislav Kinsbursky2-1/+36
This helpers will be used only for those services, that will send portmapper registration calls. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-10-25SUNRPC: use rpcbind reference counting helpersStanislav Kinsbursky1-8/+4
All is simple: we just increase users counter if rpcbind clients has been created already. Otherwise we create them and set users counter to 1. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-10-25SUNRPC: introduce helpers for reference counted rpcbind clientsStanislav Kinsbursky1-0/+53
v6: 1) added write memory barrier to rpcb_set_local to make sure, that rpcbind clients become valid before rpcb_users assignment 2) explicitly set rpcb_users to 1 instead of incrementing it (looks clearer from my pow). v5: fixed races with rpcb_users in rpcb_get_local() This helpers will be used for dynamical creation and destruction of rpcbind clients. Variable rpcb_users is actually a counter of lauched RPC services. If rpcbind clients has been created already, then we just increase rpcb_users. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-10-25NFS/sunrpc: don't use a credential with extra groups.NeilBrown1-0/+3
The sunrpc layer keeps a cache of recently used credentials and 'unx_match' is used to find the credential which matches the current process. However unx_match allows a match when the cached credential has extra groups at the end of uc_gids list which are not in the process group list. So if a process with a list of (say) 4 group accesses a file and gains access because of the last group in the list, then another process with the same uid and gid, and a gid list being the first tree of the gids of the original process tries to access the file, it will be granted access even though it shouldn't as the wrong rpc credential will be used. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@vger.kernel.org
2011-10-20NFS: Get rid of nfs_restart_rpc()Trond Myklebust1-1/+3
It can trivially be replaced with rpc_restart_call_prepare. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-10-18SUNRPC: Remove unnecessary export of rpc_sockaddr2uaddrTrond Myklebust1-1/+0
It is only used internally by the RPC code. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-10-18SUNRPC: Fix rpc_sockaddr2uaddrTrond Myklebust2-5/+6
rpc_sockaddr2uaddr is only used by net/sunrpc/rpcb_clnt.c, where it is used in a non-blockable context in at least one case. Add non-blocking capability by adding a gfp_t argument Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-10-18SUNRPC/NFS: make rpc pipe upcall genericPeng Tao2-22/+22
The same function is used by idmap, gss and blocklayout code. Make it generic. Signed-off-by: Peng Tao <peng_tao@emc.com> Signed-off-by: Jim Rees <rees@umich.edu> Cc: stable@kernel.org [3.0] Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-10-11sunrpc: add MODULE_ALIAS to match the filesystem nameMichal Schmidt1-0/+3
sunrpc implements the rpc_pipefs filesystem type. Add the alias to have the module requested automatically by the kernel when the filesystem is mounted. Signed-off-by: Michal Schmidt <mschmidt@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-09-14SUNRPC: Replace svc_addr_u by sockaddr_storageMi Jinlong2-17/+19
For IPv6 local address, lockd can not callback to client for missing scope id when binding address at inet6_bind: 324 if (addr_type & IPV6_ADDR_LINKLOCAL) { 325 if (addr_len >= sizeof(struct sockaddr_in6) && 326 addr->sin6_scope_id) { 327 /* Override any existing binding, if another one 328 * is supplied by user. 329 */ 330 sk->sk_bound_dev_if = addr->sin6_scope_id; 331 } 332 333 /* Binding to link-local address requires an interface */ 334 if (!sk->sk_bound_dev_if) { 335 err = -EINVAL; 336 goto out_unlock; 337 } Replacing svc_addr_u by sockaddr_storage, let rqstp->rq_daddr contains more info besides address. Reviewed-by: Jeff Layton <jlayton@redhat.com> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Mi Jinlong <mijinlong@cn.fujitsu.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-08-19sunrpc: use better NUMA affinitiesEric Dumazet1-9/+24
Use NUMA aware allocations to reduce latencies and increase throughput. sunrpc kthreads can use kthread_create_on_node() if pool_mode is "percpu" or "pernode", and svc_prepare_thread()/svc_init_buffer() can also take into account NUMA node affinity for memory allocations. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: "J. Bruce Fields" <bfields@fieldses.org> CC: Neil Brown <neilb@suse.de> CC: David Miller <davem@davemloft.net> Reviewed-by: Greg Banks <gnb@fastmail.fm> [bfields@redhat.com: fix up caller nfs41_callback_up] Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-08-02rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTERStephen Hemminger1-2/+2
When assigning a NULL value to an RCU protected pointer, no barrier is needed. The rcu_assign_pointer, used to handle that but will soon change to not handle the special case. Convert all rcu_assign_pointer of NULL value. //smpl @@ expression P; @@ - rcu_assign_pointer(P, NULL) + RCU_INIT_POINTER(P, NULL) // </smpl> Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-29net: fix new sunrpc kernel-doc warningRandy Dunlap1-0/+1
Fix new kernel-doc warning in sunrpc: Warning(net/sunrpc/xprt.c:196): No description found for parameter 'xprt' Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-28Merge branch 'nfs-for-3.1' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds13-138/+275
* 'nfs-for-3.1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (44 commits) NFSv4: Don't use the delegation->inode in nfs_mark_return_delegation() nfs: don't use d_move in nfs_async_rename_done RDMA: Increasing RPCRDMA_MAX_DATA_SEGS SUNRPC: Replace xprt->resend and xprt->sending with a priority queue SUNRPC: Allow caller of rpc_sleep_on() to select priority levels SUNRPC: Support dynamic slot allocation for TCP connections SUNRPC: Clean up the slot table allocation SUNRPC: Initalise the struct xprt upon allocation SUNRPC: Ensure that we grab the XPRT_LOCK before calling xprt_alloc_slot pnfs: simplify pnfs files module autoloading nfs: document nfsv4 sillyrename issues NFS: Convert nfs4_set_ds_client to EXPORT_SYMBOL_GPL SUNRPC: Convert the backchannel exports to EXPORT_SYMBOL_GPL SUNRPC: sunrpc should not explicitly depend on NFS config options NFS: Clean up - simplify the switch to read/write-through-MDS NFS: Move the pnfs write code into pnfs.c NFS: Move the pnfs read code into pnfs.c NFS: Allow the nfs_pageio_descriptor to signal that a re-coalesce is needed NFS: Use the nfs_pageio_descriptor->pg_bsize in the read/write request NFS: Cache rpc_ops in struct nfs_pageio_descriptor ...
2011-07-27atomic: use <linux/atomic.h>Arun Sharma1-1/+1
This allows us to move duplicated code in <asm/atomic.h> (atomic_inc_not_zero() for now) to <linux/atomic.h> Signed-off-by: Arun Sharma <asharma@fb.com> Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Cc: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-26Merge branch 'for-3.1' of git://linux-nfs.org/~bfields/linuxLinus Torvalds5-87/+44
* 'for-3.1' of git://linux-nfs.org/~bfields/linux: nfsd: don't break lease on CLAIM_DELEGATE_CUR locks: rename lock-manager ops nfsd4: update nfsv4.1 implementation notes nfsd: turn on reply cache for NFSv4 nfsd4: call nfsd4_release_compoundargs from pc_release nfsd41: Deny new lock before RECLAIM_COMPLETE done fs: locks: remove init_once nfsd41: check the size of request nfsd41: error out when client sets maxreq_sz or maxresp_sz too small nfsd4: fix file leak on open_downgrade nfsd4: remember to put RW access on stateid destruction NFSD: Added TEST_STATEID operation NFSD: added FREE_STATEID operation svcrpc: fix list-corrupting race on nfsd shutdown rpc: allow autoloading of gss mechanisms svcauth_unix.c: quiet sparse noise svcsock.c: include sunrpc.h to quiet sparse noise nfsd: Remove deprecated nfsctl system call and related code. NFSD: allow OP_DESTROY_CLIENTID to be only op in COMPOUND Fix up trivial conflicts in Documentation/feature-removal-schedule.txt
2011-07-25RDMA: Increasing RPCRDMA_MAX_DATA_SEGSSteve Dickson1-1/+1
Our performance team has noticed that increasing RPCRDMA_MAX_DATA_SEGS from 8 to 64 significantly increases throughput when using the RDMA transport. Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-07-25Merge branch 'master' into devel and apply fixup from Stephen Rothwell:Stephen Rothwell6-51/+49
vfs/nfs: fixup for nfs_open_context change Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-07-23Merge branch 'for-linus' of ↵Linus Torvalds1-6/+5
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (107 commits) vfs: use ERR_CAST for err-ptr tossing in lookup_instantiate_filp isofs: Remove global fs lock jffs2: fix IN_DELETE_SELF on overwriting rename() killing a directory fix IN_DELETE_SELF on overwriting rename() on ramfs et.al. mm/truncate.c: fix build for CONFIG_BLOCK not enabled fs:update the NOTE of the file_operations structure Remove dead code in dget_parent() AFS: Fix silly characters in a comment switch d_add_ci() to d_splice_alias() in "found negative" case as well simplify gfs2_lookup() jfs_lookup(): don't bother with . or .. get rid of useless dget_parent() in btrfs rename() and link() get rid of useless dget_parent() in fs/btrfs/ioctl.c fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers drivers: fix up various ->llseek() implementations fs: handle SEEK_HOLE/SEEK_DATA properly in all fs's that define their own llseek Ext4: handle SEEK_HOLE/SEEK_DATA generically Btrfs: implement our own ->llseek fs: add SEEK_HOLE and SEEK_DATA flags reiserfs: make reiserfs default to barrier=flush ... Fix up trivial conflicts in fs/xfs/linux-2.6/xfs_super.c due to the new shrinker callout for the inode cache, that clashed with the xfs code to start the periodic workers later.
2011-07-20switch vfs_path_lookup() to struct pathAl Viro1-6/+5
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-18SUNRPC: Replace xprt->resend and xprt->sending with a priority queueTrond Myklebust1-21/+21
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-07-18SUNRPC: Allow caller of rpc_sleep_on() to select priority levelsTrond Myklebust1-9/+29
Currently, the caller has to change the value of task->tk_priority if it wants to select on which priority level the task will sleep. This patch allows the caller to select a priority level at sleep time rather than always using task->tk_priority. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-07-18SUNRPC: Support dynamic slot allocation for TCP connectionsTrond Myklebust3-18/+102
Allow the number of available slots to grow with the TCP window size. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-07-18SUNRPC: Clean up the slot table allocationTrond Myklebust1-27/+37
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-07-18SUNRPC: Initalise the struct xprt upon allocationTrond Myklebust1-30/+37
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-07-18SUNRPC: Ensure that we grab the XPRT_LOCK before calling xprt_alloc_slotTrond Myklebust3-27/+46
This throttles the allocation of new slots when the socket is busy reconnecting and/or is out of buffer space. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-07-16svcrpc: fix list-corrupting race on nfsd shutdownJ. Bruce Fields1-5/+6
After commit 3262c816a3d7fb1eaabce633caa317887ed549ae "[PATCH] knfsd: split svc_serv into pools", svc_delete_xprt (then svc_delete_socket) no longer removed its xpt_ready (then sk_ready) field from whatever list it was on, noting that there was no point since the whole list was about to be destroyed anyway. That was mostly true, but forgot that a few svc_xprt_enqueue()'s might still be hanging around playing with the about-to-be-destroyed list, and could get themselves into trouble writing to freed memory if we left this xprt on the list after freeing it. (This is actually functionally identical to a patch made first by Ben Greear, but with more comments.) Cc: stable@kernel.org Cc: gnb@fmeh.org Reported-by: Ben Greear <greearb@candelatech.com> Tested-by: Ben Greear <greearb@candelatech.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-07-16rpc: allow autoloading of gss mechanismsJ. Bruce Fields2-4/+35
Remove the need for an explicit modprobe of rpcsec_gss_krb5. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-07-16svcauth_unix.c: quiet sparse noiseH Hartley Sweeten1-0/+1
Like svcauth_unix, the symbol svcauth_null is used external from this file. Declare it as extern to quiet the following sparse noise: warning: symbol 'svcauth_null' was not declared. Should it be static? Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: "J. Bruce Fields" <bfields@fieldses.org> Cc: Neil Brown <neilb@suse.de> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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