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* add a struct request pointer to the request structureFUJITA Tomonori2007-07-16
| | | | | | | | | | This adds a struct request pointer to the request structure for the second data phase (bidi for now). A request queue supporting bidi requests sets QUEUE_FLAG_BIDI. This prevents sending bidi requests to a non-bidi queue. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* bsg: minor bug fixesFUJITA Tomonori2007-07-16
| | | | | | | | | | | | This fixes the following minor issues: - add EXPORT_SYMBOL_GPL for bsg_register_queue and bsg_unregister_queue. - shut up gcc warnings Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <axboe@nelson.home.kernel.dk>
* bsg: bind bsg to request_queue instead of gendiskFUJITA Tomonori2007-07-16
| | | | | | | | | This patch binds bsg devices to request_queue instead of gendisk. Any objects (like transport entities) can define own request_handler and create own bsg device. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* bsg: add a request_queue argument to scsi_cmd_ioctl()FUJITA Tomonori2007-07-16
| | | | | | | | | | | | bsg uses scsi_cmd_ioctl() for some SCSI/sg ioctl commands. scsi_cmd_ioctl() gets a request queue from a gendisk arguement. This prevents bsg being bound to SCSI devices that don't have a gendisk (like OSD). This adds a request_queue argument to scsi_cmd_ioctl(). The SCSI/sg ioctl commands doesn't use a gendisk so it's safe for any SCSI devices to use scsi_cmd_ioctl(). Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* Replace s32, u32 and u64 with __s32, __u32 and __u64 in bsg.h for userspaceFUJITA Tomonori2007-07-16
| | | | | Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* bsg: use u32 etc instead of uint32_tJens Axboe2007-07-16
| | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* bsg: add sg_io_v4 structureFUJITA Tomonori2007-07-16
| | | | | | | | | | | | | This patch adds sg_io_v4 structure that Doug proposed last month. There's one major change from the RFC. I dropped iovec, which needs compat stuff. The bsg code simply calls blk_rq_map_user against dout_xferp/din_xferp. So if possible, the page frames are directly mapped. If not possible, the block layer allocates new page frames and does memory copies. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: export blk_verify_command for SG v4FUJITA Tomonori2007-07-16
| | | | | | | | blk_fill_sghdr_rq doesn't work for SG v4 so verify_command needed to be exported. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* bsg: support for full generic block layer SG v3Jens Axboe2007-07-16
| | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* Merge branch 'master' of ↵Linus Torvalds2007-07-15
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (53 commits) [TCP]: Verify the presence of RETRANS bit when leaving FRTO [IPV6]: Call inet6addr_chain notifiers on link down [NET_SCHED]: Kill CONFIG_NET_CLS_POLICE [NET_SCHED]: act_api: qdisc internal reclassify support [NET_SCHED]: sch_dsmark: act_api support [NET_SCHED]: sch_atm: act_api support [NET_SCHED]: sch_atm: Lindent [IPV6]: MSG_ERRQUEUE messages do not pass to connected raw sockets [IPV4]: Cleanup call to __neigh_lookup() [NET_SCHED]: Revert "avoid transmit softirq on watchdog wakeup" optimization [NETFILTER]: nf_conntrack: UDPLITE support [NETFILTER]: nf_conntrack: mark protocols __read_mostly [NETFILTER]: x_tables: add connlimit match [NETFILTER]: Lower *tables printk severity [NETFILTER]: nf_conntrack: Don't track locally generated special ICMP error [NETFILTER]: nf_conntrack: Introduces nf_ct_get_tuplepr and uses it [NETFILTER]: nf_conntrack: make l3proto->prepare() generic and renames it [NETFILTER]: nf_conntrack: Increment error count on parsing IPv4 header [NET]: Add ethtool support for NETIF_F_IPV6_CSUM devices. [AF_IUCV]: Add lock when updating accept_q ...
| * Merge master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6David S. Miller2007-07-15
| |\ | | | | | | | | | | | | | | | Conflicts: crypto/Kconfig
| | * [CRYPTO] cipher: Remove obsolete fields from cipher_tfmHerbert Xu2007-07-11
| | | | | | | | | | | | | | | | | | This removes all the unused block cipher fields from cipher_tfm. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * | [NETFILTER]: x_tables: add connlimit matchJan Engelhardt2007-07-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ipt_connlimit has been sitting in POM-NG for a long time. Here is a new shiny xt_connlimit with: * xtables'ified * will request the layer3 module (previously it hotdropped every packet when it was not loaded) * fixed: there was a deadlock in case of an OOM condition * support for any layer4 protocol (e.g. UDP/SCTP) * using jhash, as suggested by Eric Dumazet * ipv6 support Signed-off-by: Jan Engelhardt <jengelh@gmx.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [NET]: Add ethtool support for NETIF_F_IPV6_CSUM devices.Michael Chan2007-07-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | Add ethtool utility function to set or clear IPV6_CSUM feature flag. Modify tg3.c and bnx2.c to use this function when doing ethtool -K to change tx checksum. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | Merge branch 'upstream-davem' of ↵David S. Miller2007-07-14
| |\ \ | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6
| | * | [PATCH] mac80211: ERP IE handling improvementsDaniel Drake2007-07-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The "protection needed" flag is currently parsed out of the ERP IE in beacons. This patch allows the ERP IE to be available at assocation time and causes the appropriate actions to be performed earlier. It is slightly complicated by the fact that most APs don't include the ERP IE in association responses. To work around this, we store ERP values in the ieee80211_sta_bss structure. Also added some WLAN_ERP defines for use by upcoming patches. Signed-off-by: Jiri Benc <jbenc@suse.cz> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | | [NET]: Add macvlan driverPatrick McHardy2007-07-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add macvlan driver, which allows to create virtual ethernet devices based on MAC address. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | [VLAN]: Use multicast list synchronization helpersPatrick McHardy2007-07-14
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | [VLAN]: Fix promiscous/allmulti synchronization racesPatrick McHardy2007-07-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The set_multicast_list function may be called without holding the rtnl mutex, resulting in races when changing the underlying device's promiscous and allmulti state. Use the change_rx_mode hook, which is always invoked under the rtnl. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | [NET]: dev_mcast: add multicast list synchronization helpersPatrick McHardy2007-07-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The method drivers currently use to synchronize multicast lists is not very pretty: - walk the multicast list - search each entry on a copy of the previous list - if new add to lower device - walk the copy of the previous list - search each entry on the current list - if removed delete from lower device - copy entire list This patch adds a new field to struct dev_addr_list to store the synchronization state and adds two helper functions for synchronization and cleanup. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | [NET]: Add net_device change_rx_mode callbackPatrick McHardy2007-07-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently the set_multicast_list (and set_rx_mode) callbacks are responsible for configuring the device according to the IFF_PROMISC, IFF_MULTICAST and IFF_ALLMULTI flags and the mc_list (and uc_list in case of set_rx_mode). These callbacks can be invoked from BH context without the rtnl_mutex by dev_mc_add/dev_mc_delete, which makes reading the device flags and promiscous/allmulti count racy. For real hardware drivers that just commit all changes to the hardware this is not a real problem since the stack guarantees to call them for every change, so at least the final call will not race and commit the correct configuration to the hardware. For software devices that want to synchronize promiscous and multicast state to an underlying device however this can cause corruption of the underlying device's flags or promisc/allmulti counts. When the software device is concurrently put in promiscous or allmulti mode while set_multicast_list is invoked from bottem half context, the device might synchronize the change to the underlying device without holding the rtnl_mutex, which races with concurrent changes to the underlying device. Add a dev->change_rx_flags hook that is invoked when any of the flags that affect rx filtering change (under the rtnl_mutex), which allows drivers to perform synchronization immediately and only synchronize the address lists in set_multicast_list/set_rx_mode. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | fix return type of skb_checksum_complete()Al Viro2007-07-15
|/ / / | | | | | | | | | | | | | | | | | | It returns __sum16, not unsigned int Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | Merge git://git.linux-nfs.org/pub/linux/nfs-2.6Linus Torvalds2007-07-13
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.linux-nfs.org/pub/linux/nfs-2.6: (122 commits) sunrpc: drop BKL around wrap and unwrap NFSv4: Make sure unlock is really an unlock when cancelling a lock NLM: fix source address of callback to client SUNRPC client: add interface for binding to a local address SUNRPC server: record the destination address of a request SUNRPC: cleanup transport creation argument passing NFSv4: Make the NFS state model work with the nosharedcache mount option NFS: Error when mounting the same filesystem with different options NFS: Add the mount option "nosharecache" NFS: Add support for mounting NFSv4 file systems with string options NFS: Add final pieces to support in-kernel mount option parsing NFS: Introduce generic mount client API NFS: Add enums and match tables for mount option parsing NFS: Improve debugging output in NFS in-kernel mount client NFS: Clean up in-kernel NFS mount NFS: Remake nfsroot_mount as a permanent part of NFS client SUNRPC: Add a convenient default for the hostname when calling rpc_create() SUNRPC: Rename rpcb_getport to be consistent with new rpcb_getport_sync name SUNRPC: Rename rpcb_getport_external routine SUNRPC: Allow rpcbind requests to be interrupted by a signal. ...
| * | | NLM: fix source address of callback to clientFrank van Maarseveen2007-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the destination address of the original NLM request as the source address in callbacks to the client. Signed-off-by: Frank van Maarseveen <frankvm@frankvm.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC client: add interface for binding to a local addressFrank van Maarseveen2007-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In addition to binding to a local privileged port the NFS client should allow binding to a specific local address. This is used by the server for callbacks. The patch adds the necessary interface. Signed-off-by: Frank van Maarseveen <frankvm@frankvm.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC server: record the destination address of a requestFrank van Maarseveen2007-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Save the destination address of an incoming request over TCP like is done already for UDP. It is necessary later for callbacks by the server. Signed-off-by: Frank van Maarseveen <frankvm@frankvm.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: cleanup transport creation argument passingFrank van Maarseveen2007-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Cleanup argument passing to functions for creating an RPC transport. Signed-off-by: Frank van Maarseveen <frankvm@frankvm.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFS: Add the mount option "nosharecache"Trond Myklebust2007-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Prior to David Howell's mount changes in 2.6.18, users who mounted different directories which happened to be from the same filesystem on the server would get different super blocks, and hence could choose different mount options. As long as there were no hard linked files that crossed from one subtree to another, this was quite safe. Post the changes, if the two directories are on the same filesystem (have the same 'fsid'), they will share the same super block, and hence the same mount options. Add a flag to allow users to elect not to share the NFS super block with another mount point, even if the fsids are the same. This will allow users to set different mount options for the two different super blocks, as was previously possible. It is still up to the user to ensure that there are no cache coherency issues when doing this, however the default behaviour will be to share super blocks whenever two paths result in the same fsid. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFS: Add support for mounting NFSv4 file systems with string optionsChuck Lever2007-07-10
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFS: Remake nfsroot_mount as a permanent part of NFS clientChuck Lever2007-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In preparation for supporting NFSv2 and NFSv3 mount option handling in the kernel NFS client, convert mount_clnt.c to be a permanent part of the NFS client, instead of built only when CONFIG_ROOT_NFS is enabled. In addition, we also replace the "struct sockaddr_in *" argument with something more generic, to help support IPv6 at some later point. 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>
| * | | NFS: Add a new NFS debugging flag just for mount processingChuck Lever2007-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Note to self: fix up /usr/sbin/rpcdebug too Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFS: Clean-up: Define macros for maximum host and export path name lengthsChuck Lever2007-07-10
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFS: Clean up nfs_size_to_loff_t()Chuck Lever2007-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the same file size limit that lockd uses. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFSv4: Defer inode revalidation when setting up a delegationTrond Myklebust2007-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently we force a synchronous call to __nfs_revalidate_inode() in nfs_inode_set_delegation(). This not only ensures that we cannot call nfs_inode_set_delegation from an asynchronous context, but it also slows down any call to open(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFSv4: Reduce the chances of an open_owner identifier collisionTrond Myklebust2007-07-10
| | | | | | | | | | | | | | | | | | | | | | | | Currently we just use a 32-bit counter. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFSv4: Don't reuse expired nfs4_state_owner structsTrond Myklebust2007-07-10
| | | | | | | | | | | | | | | | | | | | | | | | That just confuses certain NFSv4 servers. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFS: Replace NFS_I(inode)->req_lock with inode->i_lockTrond Myklebust2007-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | There is no justification for keeping a special spinlock for the exclusive use of the NFS writeback code. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Remove the tk_auth macro...Trond Myklebust2007-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We should almost always be deferencing the rpc_auth struct by means of the credential's cr_auth field instead of the rpc_clnt->cl_auth anyway. Fix up that historical mistake, and remove the macro that propagated it. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Convert gss_ctx_lock to an RCU lockTrond Myklebust2007-07-10
| | | | | | | | | | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Convert the credential garbage collector into a shrinker callbackTrond Myklebust2007-07-10
| | | | | | | | | | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Give credential cache a local spinlockTrond Myklebust2007-07-10
| | | | | | | | | | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Convert the credcache lookup code to use RCUTrond Myklebust2007-07-10
| | | | | | | | | | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: cleanup rpc credential cache garbage collectionTrond Myklebust2007-07-10
| | | | | | | | | | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Enforce atomic updates of rpc_cred->cr_flagsTrond Myklebust2007-07-10
| | | | | | | | | | | | | | | | | | | | | | | | Convert to the use of atomic bitops... Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Clean up rpc credential initialisationTrond Myklebust2007-07-10
| | | | | | | | | | | | | | | | | | | | | | | | Add a helper rpc_cred_init() Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Mark auth and cred operation tables as constant.Trond Myklebust2007-07-10
| | | | | | | | | | | | | | | | | | | | | | | | Also do the same for gss_api operation tables. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Rename rpcauth_destroy() to rpcauth_release()Trond Myklebust2007-07-10
| | | | | | | | | | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | SUNRPC: Add the helper function 'rpc_call_null()'Trond Myklebust2007-07-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Does a NULL RPC call and returns a pointer to the resulting rpc_task. The call may be either synchronous or asynchronous. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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