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* Merge git://git.linux-nfs.org/pub/linux/nfs-2.6Linus Torvalds2007-07-1316-92/+96
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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 Maarseveen2007-07-101-0/+1
| | | | | | | | | | | | | | | | 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 Maarseveen2007-07-102-0/+2
| | | | | | | | | | | | | | | | | | 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 Maarseveen2007-07-101-0/+1
| | | | | | | | | | | | | | | | 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 Maarseveen2007-07-101-4/+11
| | | | | | | | | | | | | | 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 Myklebust2007-07-102-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Lever2007-07-101-1/+1
| | | | | | | | | | 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 Lever2007-07-101-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | 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 Lever2007-07-101-1/+1
| | | | | | | | | | | | | | | | 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 Lever2007-07-101-5/+2
| | | | | | | | | | | | | | | | | | 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 Lever2007-07-101-0/+1
| | | | | | | | | | | | | | 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 Lever2007-07-101-1/+1
| | | | | | | | | | 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 Lever2007-07-101-5/+3
| | | | | | | | | | | | | | 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 Myklebust2007-07-101-0/+1
| | | | | | | | | | | | | | | | | | 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 Myklebust2007-07-102-4/+5
| | | | | | | | | | | | 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 Myklebust2007-07-101-2/+0
| | | | | | | | | | | | 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 Myklebust2007-07-101-1/+0
| | | | | | | | | | | | | | 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 Myklebust2007-07-101-1/+0
| | | | | | | | | | | | | | | | 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 Myklebust2007-07-101-0/+1
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Convert the credential garbage collector into a shrinker callbackTrond Myklebust2007-07-101-3/+3
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Give credential cache a local spinlockTrond Myklebust2007-07-101-0/+3
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Convert the credcache lookup code to use RCUTrond Myklebust2007-07-101-0/+3
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: cleanup rpc credential cache garbage collectionTrond Myklebust2007-07-101-0/+1
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Enforce atomic updates of rpc_cred->cr_flagsTrond Myklebust2007-07-101-5/+5
| | | | | | | | | | | | Convert to the use of atomic bitops... Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Clean up rpc credential initialisationTrond Myklebust2007-07-102-5/+1
| | | | | | | | | | | | 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 Myklebust2007-07-102-10/+7
| | | | | | | | | | | | 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 Myklebust2007-07-101-1/+1
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Add the helper function 'rpc_call_null()'Trond Myklebust2007-07-101-0/+2
| | | | | | | | | | | | | | 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>
| * SUNRPC: Make rpc_ping() staticTrond Myklebust2007-07-101-1/+0
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Fix a memory leak in the auth credcache codeTrond Myklebust2007-07-101-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The leak only affects the RPCSEC_GSS caches, since they are the only ones that are dynamically allocated... Rename the existing rpcauth_free_credcache() to rpcauth_clear_credcache() in order to better describe its role, then add a new function rpcauth_destroy_credcache() that actually frees the cache in addition to clearing it out. Also move the call to destroy the credcache in gss_destroy() to come before the rpc upcall pipe is unlinked. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Add a field to track the number of kernel users of an rpc_pipeTrond Myklebust2007-07-101-0/+1
| | | | | | | | | | | | This allows us to correctly deduce when we need to remove the pipe. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Add a downcall queue to struct rpc_inodeTrond Myklebust2007-07-101-0/+1
| | | | | | | | | | | | | | | | Currently, the downcall queue is tied to the struct gss_auth, which means that different RPCSEC_GSS pseudoflavours must use different upcall pipes. Add a list to struct rpc_inode that can be used instead. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Add a backpointer from the struct rpc_cred to the rpc_authTrond Myklebust2007-07-101-0/+4
| | | | | | | | | | | | | | | | Cleans up an issue whereby rpcsec_gss uses the rpc_clnt->cl_auth. If we want to be able to add several rpc_auths to a single rpc_clnt, then this abuse must go. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Move rpc_register_client and friends into net/sunrpc/clnt.cTrond Myklebust2007-07-101-2/+0
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Remove redundant calls to rpciod_up()/rpciod_down()Trond Myklebust2007-07-101-1/+0
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Remove rpc_clnt->cl_countTrond Myklebust2007-07-101-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | The kref now does most of what cl_count + cl_user used to do. The only remaining role for cl_count is to tell us if we are in a 'shutdown' phase. We can provide that information using a single bit field instead of a full atomic counter. Also rename rpc_destroy_client() to rpc_close_client(), which reflects better what its role is these days. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Kill rpc_clnt->cl_oneshotTrond Myklebust2007-07-101-6/+4
| | | | | | | | | | | | | | Replace it with explicit calls to rpc_shutdown_client() or rpc_destroy_client() (for the case of asynchronous calls). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Kill rpc_clnt->cl_deadTrond Myklebust2007-07-101-2/+1
| | | | | | | | | | | | | | Its use is at best racy, and there is only one user (lockd), which has additional locking that makes the whole thing redundant. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Convert rpc_clnt->cl_users to a krefTrond Myklebust2007-07-101-1/+1
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Add a per-rpc_clnt spinlockTrond Myklebust2007-07-101-0/+1
| | | | | | | | | | | | | | Use that to protect the rpc_clnt->cl_tasks list instead of using a global lock. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * SUNRPC: Move rpc_task->tk_task list into struct rpc_clntTrond Myklebust2007-07-102-5/+4
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Convert struct nfs_open_context to use a krefTrond Myklebust2007-07-101-1/+2
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Prevent integer overflow in nfs_scan_list()Trond Myklebust2007-07-101-1/+1
| | | | | | | | | | | | | | Also ensure that nfs_inode ncommit and npages are large enough to represent all possible values for the number of pages. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Remove the redundant 'dirty' and 'commit' lists from nfs_inodeTrond Myklebust2007-07-102-8/+2
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS cleanup: speed up nfs_scan_commit using radix tree tagsTrond Myklebust2007-07-101-2/+3
| | | | | | | | | | | | Add a tag for requests that are waiting for a COMMIT Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS cleanup: Rename NFS_PAGE_TAG_WRITEBACK to NFS_PAGE_TAG_LOCKEDTrond Myklebust2007-07-101-3/+2
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Convert struct nfs_page to use krefsTrond Myklebust2007-07-101-5/+5
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS4: on a O_EXCL OPEN make sure SETATTR sets the fields holding the verifierJeff Layton2007-07-102-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Linux NFS4 client simply skips over the bitmask in an O_EXCL open call and so it doesn't bother to reset any fields that may be holding the verifier. This patch has us save the first two words of the bitmask (which is all the current client has #defines for). The client then later checks this bitmask and turns on the appropriate flags in the sattr->ia_verify field for the following SETATTR call. This patch only currently checks to see if the server used the atime and mtime slots for the verifier (which is what the Linux server uses for this). I'm not sure of what other fields the server could reasonably use, but adding checks for others should be trivial. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * NFS: Replace vfsmount and dentry in nfs_open_context with struct pathTrond Myklebust2007-07-101-2/+2
| | | | | | | | Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
* | Merge branch 'ioat-md-accel-for-linus' of ↵Linus Torvalds2007-07-135-115/+439
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://lost.foo-projects.org/~dwillia2/git/iop * 'ioat-md-accel-for-linus' of git://lost.foo-projects.org/~dwillia2/git/iop: (28 commits) ioatdma: add the unisys "i/oat" pci vendor/device id ARM: Add drivers/dma to arch/arm/Kconfig iop3xx: surface the iop3xx DMA and AAU units to the iop-adma driver iop13xx: surface the iop13xx adma units to the iop-adma driver dmaengine: driver for the iop32x, iop33x, and iop13xx raid engines md: remove raid5 compute_block and compute_parity5 md: handle_stripe5 - request io processing in raid5_run_ops md: handle_stripe5 - add request/completion logic for async expand ops md: handle_stripe5 - add request/completion logic for async read ops md: handle_stripe5 - add request/completion logic for async check ops md: handle_stripe5 - add request/completion logic for async compute ops md: handle_stripe5 - add request/completion logic for async write ops md: common infrastructure for running operations with raid5_run_ops md: raid5_run_ops - run stripe operations outside sh->lock raid5: replace custom debug PRINTKs with standard pr_debug raid5: refactor handle_stripe5 and handle_stripe6 (v3) async_tx: add the async_tx api xor: make 'xor_blocks' a library routine for use with async_tx dmaengine: make clients responsible for managing channels dmaengine: refactor dmaengine around dma_async_tx_descriptor ...