diff options
-rw-r--r-- | Documentation/filesystems/nfs-rdma.txt | 103 | ||||
-rw-r--r-- | fs/lockd/svc.c | 33 | ||||
-rw-r--r-- | fs/nfsd/lockd.c | 2 | ||||
-rw-r--r-- | fs/nfsd/nfs2acl.c | 7 | ||||
-rw-r--r-- | fs/nfsd/nfs3acl.c | 5 | ||||
-rw-r--r-- | fs/nfsd/nfs3proc.c | 8 | ||||
-rw-r--r-- | fs/nfsd/nfs4proc.c | 76 | ||||
-rw-r--r-- | fs/nfsd/nfs4state.c | 27 | ||||
-rw-r--r-- | fs/nfsd/nfs4xdr.c | 185 | ||||
-rw-r--r-- | fs/nfsd/nfsctl.c | 103 | ||||
-rw-r--r-- | fs/nfsd/nfsfh.c | 31 | ||||
-rw-r--r-- | fs/nfsd/nfsproc.c | 9 | ||||
-rw-r--r-- | fs/nfsd/nfssvc.c | 148 | ||||
-rw-r--r-- | fs/nfsd/vfs.c | 140 | ||||
-rw-r--r-- | include/linux/nfs4.h | 3 | ||||
-rw-r--r-- | include/linux/nfsd/nfsd.h | 27 | ||||
-rw-r--r-- | include/linux/nfsd/state.h | 2 | ||||
-rw-r--r-- | include/linux/sunrpc/gss_krb5.h | 3 | ||||
-rw-r--r-- | include/linux/sunrpc/svc.h | 7 | ||||
-rw-r--r-- | net/sunrpc/auth_gss/Makefile | 4 | ||||
-rw-r--r-- | net/sunrpc/auth_gss/gss_krb5_crypto.c | 10 | ||||
-rw-r--r-- | net/sunrpc/auth_gss/gss_krb5_seal.c | 26 | ||||
-rw-r--r-- | net/sunrpc/auth_gss/gss_krb5_unseal.c | 16 | ||||
-rw-r--r-- | net/sunrpc/auth_gss/gss_krb5_wrap.c | 72 | ||||
-rw-r--r-- | net/sunrpc/svc.c | 110 |
25 files changed, 618 insertions, 539 deletions
diff --git a/Documentation/filesystems/nfs-rdma.txt b/Documentation/filesystems/nfs-rdma.txt index d0ec45ae4e7..44bd766f2e5 100644 --- a/Documentation/filesystems/nfs-rdma.txt +++ b/Documentation/filesystems/nfs-rdma.txt @@ -5,7 +5,7 @@ ################################################################################ Author: NetApp and Open Grid Computing - Date: April 15, 2008 + Date: May 29, 2008 Table of Contents ~~~~~~~~~~~~~~~~~ @@ -60,16 +60,18 @@ Installation The procedures described in this document have been tested with distributions from Red Hat's Fedora Project (http://fedora.redhat.com/). - - Install nfs-utils-1.1.1 or greater on the client + - Install nfs-utils-1.1.2 or greater on the client - An NFS/RDMA mount point can only be obtained by using the mount.nfs - command in nfs-utils-1.1.1 or greater. To see which version of mount.nfs - you are using, type: + An NFS/RDMA mount point can be obtained by using the mount.nfs command in + nfs-utils-1.1.2 or greater (nfs-utils-1.1.1 was the first nfs-utils + version with support for NFS/RDMA mounts, but for various reasons we + recommend using nfs-utils-1.1.2 or greater). To see which version of + mount.nfs you are using, type: - > /sbin/mount.nfs -V + $ /sbin/mount.nfs -V - If the version is less than 1.1.1 or the command does not exist, - then you will need to install the latest version of nfs-utils. + If the version is less than 1.1.2 or the command does not exist, + you should install the latest version of nfs-utils. Download the latest package from: @@ -77,22 +79,33 @@ Installation Uncompress the package and follow the installation instructions. - If you will not be using GSS and NFSv4, the installation process - can be simplified by disabling these features when running configure: + If you will not need the idmapper and gssd executables (you do not need + these to create an NFS/RDMA enabled mount command), the installation + process can be simplified by disabling these features when running + configure: - > ./configure --disable-gss --disable-nfsv4 + $ ./configure --disable-gss --disable-nfsv4 - For more information on this see the package's README and INSTALL files. + To build nfs-utils you will need the tcp_wrappers package installed. For + more information on this see the package's README and INSTALL files. After building the nfs-utils package, there will be a mount.nfs binary in the utils/mount directory. This binary can be used to initiate NFS v2, v3, - or v4 mounts. To initiate a v4 mount, the binary must be called mount.nfs4. - The standard technique is to create a symlink called mount.nfs4 to mount.nfs. + or v4 mounts. To initiate a v4 mount, the binary must be called + mount.nfs4. The standard technique is to create a symlink called + mount.nfs4 to mount.nfs. - NOTE: mount.nfs and therefore nfs-utils-1.1.1 or greater is only needed + This mount.nfs binary should be installed at /sbin/mount.nfs as follows: + + $ sudo cp utils/mount/mount.nfs /sbin/mount.nfs + + In this location, mount.nfs will be invoked automatically for NFS mounts + by the system mount commmand. + + NOTE: mount.nfs and therefore nfs-utils-1.1.2 or greater is only needed on the NFS client machine. You do not need this specific version of nfs-utils on the server. Furthermore, only the mount.nfs command from - nfs-utils-1.1.1 is needed on the client. + nfs-utils-1.1.2 is needed on the client. - Install a Linux kernel with NFS/RDMA @@ -156,8 +169,8 @@ Check RDMA and NFS Setup this time. For example, if you are using a Mellanox Tavor/Sinai/Arbel card: - > modprobe ib_mthca - > modprobe ib_ipoib + $ modprobe ib_mthca + $ modprobe ib_ipoib If you are using InfiniBand, make sure there is a Subnet Manager (SM) running on the network. If your IB switch has an embedded SM, you can @@ -166,7 +179,7 @@ Check RDMA and NFS Setup If an SM is running on your network, you should see the following: - > cat /sys/class/infiniband/driverX/ports/1/state + $ cat /sys/class/infiniband/driverX/ports/1/state 4: ACTIVE where driverX is mthca0, ipath5, ehca3, etc. @@ -174,10 +187,10 @@ Check RDMA and NFS Setup To further test the InfiniBand software stack, use IPoIB (this assumes you have two IB hosts named host1 and host2): - host1> ifconfig ib0 a.b.c.x - host2> ifconfig ib0 a.b.c.y - host1> ping a.b.c.y - host2> ping a.b.c.x + host1$ ifconfig ib0 a.b.c.x + host2$ ifconfig ib0 a.b.c.y + host1$ ping a.b.c.y + host2$ ping a.b.c.x For other device types, follow the appropriate procedures. @@ -202,11 +215,11 @@ NFS/RDMA Setup /vol0 192.168.0.47(fsid=0,rw,async,insecure,no_root_squash) /vol0 192.168.0.0/255.255.255.0(fsid=0,rw,async,insecure,no_root_squash) - The IP address(es) is(are) the client's IPoIB address for an InfiniBand HCA or the - cleint's iWARP address(es) for an RNIC. + The IP address(es) is(are) the client's IPoIB address for an InfiniBand + HCA or the cleint's iWARP address(es) for an RNIC. - NOTE: The "insecure" option must be used because the NFS/RDMA client does not - use a reserved port. + NOTE: The "insecure" option must be used because the NFS/RDMA client does + not use a reserved port. Each time a machine boots: @@ -214,43 +227,45 @@ NFS/RDMA Setup For InfiniBand using a Mellanox adapter: - > modprobe ib_mthca - > modprobe ib_ipoib - > ifconfig ib0 a.b.c.d + $ modprobe ib_mthca + $ modprobe ib_ipoib + $ ifconfig ib0 a.b.c.d NOTE: use unique addresses for the client and server - Start the NFS server - If the NFS/RDMA server was built as a module (CONFIG_SUNRPC_XPRT_RDMA=m in kernel config), - load the RDMA transport module: + If the NFS/RDMA server was built as a module (CONFIG_SUNRPC_XPRT_RDMA=m in + kernel config), load the RDMA transport module: - > modprobe svcrdma + $ modprobe svcrdma - Regardless of how the server was built (module or built-in), start the server: + Regardless of how the server was built (module or built-in), start the + server: - > /etc/init.d/nfs start + $ /etc/init.d/nfs start or - > service nfs start + $ service nfs start Instruct the server to listen on the RDMA transport: - > echo rdma 2050 > /proc/fs/nfsd/portlist + $ echo rdma 2050 > /proc/fs/nfsd/portlist - On the client system - If the NFS/RDMA client was built as a module (CONFIG_SUNRPC_XPRT_RDMA=m in kernel config), - load the RDMA client module: + If the NFS/RDMA client was built as a module (CONFIG_SUNRPC_XPRT_RDMA=m in + kernel config), load the RDMA client module: - > modprobe xprtrdma.ko + $ modprobe xprtrdma.ko - Regardless of how the client was built (module or built-in), issue the mount.nfs command: + Regardless of how the client was built (module or built-in), use this + command to mount the NFS/RDMA server: - > /path/to/your/mount.nfs <IPoIB-server-name-or-address>:/<export> /mnt -i -o rdma,port=2050 + $ mount -o rdma,port=2050 <IPoIB-server-name-or-address>:/<export> /mnt - To verify that the mount is using RDMA, run "cat /proc/mounts" and check the - "proto" field for the given mount. + To verify that the mount is using RDMA, run "cat /proc/mounts" and check + the "proto" field for the given mount. Congratulations! You're using NFS/RDMA! diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index 2169af4d545..5bd9bf0fa9d 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -50,7 +50,7 @@ EXPORT_SYMBOL(nlmsvc_ops); static DEFINE_MUTEX(nlmsvc_mutex); static unsigned int nlmsvc_users; static struct task_struct *nlmsvc_task; -static struct svc_serv *nlmsvc_serv; +static struct svc_rqst *nlmsvc_rqst; int nlmsvc_grace_period; unsigned long nlmsvc_timeout; @@ -194,20 +194,11 @@ lockd(void *vrqstp) svc_process(rqstp); } - flush_signals(current); if (nlmsvc_ops) nlmsvc_invalidate_all(); nlm_shutdown_hosts(); - unlock_kernel(); - - nlmsvc_task = NULL; - nlmsvc_serv = NULL; - - /* Exit the RPC thread */ - svc_exit_thread(rqstp); - return 0; } @@ -254,16 +245,15 @@ int lockd_up(int proto) /* Maybe add a 'family' option when IPv6 is supported ?? */ { struct svc_serv *serv; - struct svc_rqst *rqstp; int error = 0; mutex_lock(&nlmsvc_mutex); /* * Check whether we're already up and running. */ - if (nlmsvc_serv) { + if (nlmsvc_rqst) { if (proto) - error = make_socks(nlmsvc_serv, proto); + error = make_socks(nlmsvc_rqst->rq_server, proto); goto out; } @@ -288,9 +278,10 @@ lockd_up(int proto) /* Maybe add a 'family' option when IPv6 is supported ?? */ /* * Create the kernel thread and wait for it to start. */ - rqstp = svc_prepare_thread(serv, &serv->sv_pools[0]); - if (IS_ERR(rqstp)) { - error = PTR_ERR(rqstp); + nlmsvc_rqst = svc_prepare_thread(serv, &serv->sv_pools[0]); + if (IS_ERR(nlmsvc_rqst)) { + error = PTR_ERR(nlmsvc_rqst); + nlmsvc_rqst = NULL; printk(KERN_WARNING "lockd_up: svc_rqst allocation failed, error=%d\n", error); @@ -298,16 +289,15 @@ lockd_up(int proto) /* Maybe add a 'family' option when IPv6 is supported ?? */ } svc_sock_update_bufs(serv); - nlmsvc_serv = rqstp->rq_server; - nlmsvc_task = kthread_run(lockd, rqstp, serv->sv_name); + nlmsvc_task = kthread_run(lockd, nlmsvc_rqst, serv->sv_name); if (IS_ERR(nlmsvc_task)) { error = PTR_ERR(nlmsvc_task); + svc_exit_thread(nlmsvc_rqst); nlmsvc_task = NULL; - nlmsvc_serv = NULL; + nlmsvc_rqst = NULL; printk(KERN_WARNING "lockd_up: kthread_run failed, error=%d\n", error); - svc_exit_thread(rqstp); goto destroy_and_out; } @@ -346,6 +336,9 @@ lockd_down(void) BUG(); } kthread_stop(nlmsvc_task); + svc_exit_thread(nlmsvc_rqst); + nlmsvc_task = NULL; + nlmsvc_rqst = NULL; out: mutex_unlock(&nlmsvc_mutex); } diff --git a/fs/nfsd/lockd.c b/fs/nfsd/lockd.c index 9e4a568a501..6b6225ac492 100644 --- a/fs/nfsd/lockd.c +++ b/fs/nfsd/lockd.c @@ -35,7 +35,7 @@ nlm_fopen(struct svc_rqst *rqstp, struct nfs_fh *f, struct file **filp) fh.fh_export = NULL; exp_readlock(); - nfserr = nfsd_open(rqstp, &fh, S_IFREG, MAY_LOCK, filp); + nfserr = nfsd_open(rqstp, &fh, S_IFREG, NFSD_MAY_LOCK, filp); fh_put(&fh); rqstp->rq_client = NULL; exp_readunlock(); diff --git a/fs/nfsd/nfs2acl.c b/fs/nfsd/nfs2acl.c index 1c3b7654e96..4e3219e8411 100644 --- a/fs/nfsd/nfs2acl.c +++ b/fs/nfsd/nfs2acl.c @@ -40,7 +40,8 @@ static __be32 nfsacld_proc_getacl(struct svc_rqst * rqstp, dprintk("nfsd: GETACL(2acl) %s\n", SVCFH_fmt(&argp->fh)); fh = fh_copy(&resp->fh, &argp->fh); - if ((nfserr = fh_verify(rqstp, &resp->fh, 0, MAY_NOP))) + nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP); + if (nfserr) RETURN_STATUS(nfserr); if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT)) @@ -107,7 +108,7 @@ static __be32 nfsacld_proc_setacl(struct svc_rqst * rqstp, dprintk("nfsd: SETACL(2acl) %s\n", SVCFH_fmt(&argp->fh)); fh = fh_copy(&resp->fh, &argp->fh); - nfserr = fh_verify(rqstp, &resp->fh, 0, MAY_SATTR); + nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_SATTR); if (!nfserr) { nfserr = nfserrno( nfsd_set_posix_acl( @@ -134,7 +135,7 @@ static __be32 nfsacld_proc_getattr(struct svc_rqst * rqstp, dprintk("nfsd: GETATTR %s\n", SVCFH_fmt(&argp->fh)); fh_copy(&resp->fh, &argp->fh); - return fh_verify(rqstp, &resp->fh, 0, MAY_NOP); + return fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP); } /* diff --git a/fs/nfsd/nfs3acl.c b/fs/nfsd/nfs3acl.c index b647f2f872d..9981dbb377a 100644 --- a/fs/nfsd/nfs3acl.c +++ b/fs/nfsd/nfs3acl.c @@ -36,7 +36,8 @@ static __be32 nfsd3_proc_getacl(struct svc_rqst * rqstp, __be32 nfserr = 0; fh = fh_copy(&resp->fh, &argp->fh); - if ((nfserr = fh_verify(rqstp, &resp->fh, 0, MAY_NOP))) + nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP); + if (nfserr) RETURN_STATUS(nfserr); if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT)) @@ -101,7 +102,7 @@ static __be32 nfsd3_proc_setacl(struct svc_rqst * rqstp, __be32 nfserr = 0; fh = fh_copy(&resp->fh, &argp->fh); - nfserr = fh_verify(rqstp, &resp->fh, 0, MAY_SATTR); + nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_SATTR); if (!nfserr) { nfserr = nfserrno( nfsd_set_posix_acl( diff --git a/fs/nfsd/nfs3proc.c b/fs/nfsd/nfs3proc.c index c721a1e6e9d..4d617ea28cf 100644 --- a/fs/nfsd/nfs3proc.c +++ b/fs/nfsd/nfs3proc.c @@ -63,7 +63,7 @@ nfsd3_proc_getattr(struct svc_rqst *rqstp, struct nfsd_fhandle *argp, SVCFH_fmt(&argp->fh)); fh_copy(&resp->fh, &argp->fh); - nfserr = fh_verify(rqstp, &resp->fh, 0, MAY_NOP); + nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP); if (nfserr) RETURN_STATUS(nfserr); @@ -242,7 +242,7 @@ nfsd3_proc_create(struct svc_rqst *rqstp, struct nfsd3_createargs *argp, attr = &argp->attrs; /* Get the directory inode */ - nfserr = fh_verify(rqstp, dirfhp, S_IFDIR, MAY_CREATE); + nfserr = fh_verify(rqstp, dirfhp, S_IFDIR, NFSD_MAY_CREATE); if (nfserr) RETURN_STATUS(nfserr); @@ -558,7 +558,7 @@ nfsd3_proc_fsinfo(struct svc_rqst * rqstp, struct nfsd_fhandle *argp, resp->f_maxfilesize = ~(u32) 0; resp->f_properties = NFS3_FSF_DEFAULT; - nfserr = fh_verify(rqstp, &argp->fh, 0, MAY_NOP); + nfserr = fh_verify(rqstp, &argp->fh, 0, NFSD_MAY_NOP); /* Check special features of the file system. May request * different read/write sizes for file systems known to have @@ -597,7 +597,7 @@ nfsd3_proc_pathconf(struct svc_rqst * rqstp, struct nfsd_fhandle *argp, resp->p_case_insensitive = 0; resp->p_case_preserving = 1; - nfserr = fh_verify(rqstp, &argp->fh, 0, MAY_NOP); + nfserr = fh_verify(rqstp, &argp->fh, 0, NFSD_MAY_NOP); if (nfserr == 0) { struct super_block *sb = argp->fh.fh_dentry->d_inode->i_sb; diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index c309c881bd4..eef1629806f 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -71,11 +71,11 @@ do_open_permission(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfs return nfserr_inval; if (open->op_share_access & NFS4_SHARE_ACCESS_READ) - accmode |= MAY_READ; + accmode |= NFSD_MAY_READ; if (open->op_share_access & NFS4_SHARE_ACCESS_WRITE) - accmode |= (MAY_WRITE | MAY_TRUNC); + accmode |= (NFSD_MAY_WRITE | NFSD_MAY_TRUNC); if (open->op_share_deny & NFS4_SHARE_DENY_WRITE) - accmode |= MAY_WRITE; + accmode |= NFSD_MAY_WRITE; status = fh_verify(rqstp, current_fh, S_IFREG, accmode); @@ -126,7 +126,8 @@ do_open_lookup(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_o &resfh.fh_handle.fh_base, resfh.fh_handle.fh_size); if (!created) - status = do_open_permission(rqstp, current_fh, open, MAY_NOP); + status = do_open_permission(rqstp, current_fh, open, + NFSD_MAY_NOP); out: fh_put(&resfh); @@ -157,7 +158,8 @@ do_open_fhandle(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_ open->op_truncate = (open->op_iattr.ia_valid & ATTR_SIZE) && (open->op_iattr.ia_size == 0); - status = do_open_permission(rqstp, current_fh, open, MAY_OWNER_OVERRIDE); + status = do_open_permission(rqstp, current_fh, open, + NFSD_MAY_OWNER_OVERRIDE); return status; } @@ -186,7 +188,7 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, cstate->current_fh.fh_handle.fh_size = rp->rp_openfh_len; memcpy(&cstate->current_fh.fh_handle.fh_base, rp->rp_openfh, rp->rp_openfh_len); - status = fh_verify(rqstp, &cstate->current_fh, 0, MAY_NOP); + status = fh_verify(rqstp, &cstate->current_fh, 0, NFSD_MAY_NOP); if (status) dprintk("nfsd4_open: replay failed" " restoring previous filehandle\n"); @@ -285,7 +287,7 @@ nfsd4_putfh(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, cstate->current_fh.fh_handle.fh_size = putfh->pf_fhlen; memcpy(&cstate->current_fh.fh_handle.fh_base, putfh->pf_fhval, putfh->pf_fhlen); - return fh_verify(rqstp, &cstate->current_fh, 0, MAY_NOP); + return fh_verify(rqstp, &cstate->current_fh, 0, NFSD_MAY_NOP); } static __be32 @@ -363,7 +365,8 @@ nfsd4_create(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, fh_init(&resfh, NFS4_FHSIZE); - status = fh_verify(rqstp, &cstate->current_fh, S_IFDIR, MAY_CREATE); + status = fh_verify(rqstp, &cstate->current_fh, S_IFDIR, + NFSD_MAY_CREATE); if (status == nfserr_symlink) status = nfserr_notdir; if (status) @@ -445,7 +448,7 @@ nfsd4_getattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, { __be32 status; - status = fh_verify(rqstp, &cstate->current_fh, 0, MAY_NOP); + status = fh_verify(rqstp, &cstate->current_fh, 0, NFSD_MAY_NOP); if (status) return status; @@ -730,7 +733,7 @@ _nfsd4_verify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, int count; __be32 status; - status = fh_verify(rqstp, &cstate->current_fh, 0, MAY_NOP); + status = fh_verify(rqstp, &cstate->current_fh, 0, NFSD_MAY_NOP); if (status) return status; @@ -843,10 +846,13 @@ struct nfsd4_operation { #define ALLOWED_WITHOUT_FH 1 /* GETATTR and ops not listed as returning NFS4ERR_MOVED: */ #define ALLOWED_ON_ABSENT_FS 2 + char *op_name; }; static struct nfsd4_operation nfsd4_ops[]; +static inline char *nfsd4_op_name(unsigned opnum); + /* * COMPOUND call. */ @@ -888,7 +894,9 @@ nfsd4_proc_compound(struct svc_rqst *rqstp, while (!status && resp->opcnt < args->opcnt) { op = &args->ops[resp->opcnt++]; - dprintk("nfsv4 compound op #%d: %d\n", resp->opcnt, op->opnum); + dprintk("nfsv4 compound op #%d/%d: %d (%s)\n", + resp->opcnt, args->opcnt, op->opnum, + nfsd4_op_name(op->opnum)); /* * The XDR decode routines may have pre-set op->status; @@ -952,126 +960,170 @@ encode_op: out: nfsd4_release_compoundargs(args); cstate_free(cstate); + dprintk("nfsv4 compound returned %d\n", ntohl(status)); return status; } static struct nfsd4_operation nfsd4_ops[OP_RELEASE_LOCKOWNER+1] = { [OP_ACCESS] = { .op_func = (nfsd4op_func)nfsd4_access, + .op_name = "OP_ACCESS", }, [OP_CLOSE] = { .op_func = (nfsd4op_func)nfsd4_close, + .op_name = "OP_CLOSE", }, [OP_COMMIT] = { .op_func = (nfsd4op_func)nfsd4_commit, + .op_name = "OP_COMMIT", }, [OP_CREATE] = { .op_func = (nfsd4op_func)nfsd4_create, + .op_name = "OP_CREATE", }, [OP_DELEGRETURN] = { .op_func = (nfsd4op_func)nfsd4_delegreturn, + .op_name = "OP_DELEGRETURN", }, [OP_GETATTR] = { .op_func = (nfsd4op_func)nfsd4_getattr, .op_flags = ALLOWED_ON_ABSENT_FS, + .op_name = "OP_GETATTR", }, [OP_GETFH] = { .op_func = (nfsd4op_func)nfsd4_getfh, + .op_name = "OP_GETFH", }, [OP_LINK] = { .op_func = (nfsd4op_func)nfsd4_link, + .op_name = "OP_LINK", }, [OP_LOCK] = { .op_func = (nfsd4op_func)nfsd4_lock, + .op_name = "OP_LOCK", }, [OP_LOCKT] = { .op_func = (nfsd4op_func)nfsd4_lockt, + .op_name = "OP_LOCKT", }, [OP_LOCKU] = { .op_func = (nfsd4op_func)nfsd4_locku, + .op_name = "OP_LOCKU", }, [OP_LOOKUP] = { .op_func = (nfsd4op_func)nfsd4_lookup, + .op_name = "OP_LOOKUP", }, [OP_LOOKUPP] = { .op_func = (nfsd4op_func)nfsd4_lookupp, + .op_name = "OP_LOOKUPP", }, [OP_NVERIFY] = { .op_func = (nfsd4op_func)nfsd4_nverify, + .op_name = "OP_NVERIFY", }, [OP_OPEN] = { .op_func = (nfsd4op_func)nfsd4_open, + .op_name = "OP_OPEN", }, [OP_OPEN_CONFIRM] = { .op_func = (nfsd4op_func)nfsd4_open_confirm, + .op_name = "OP_OPEN_CONFIRM", }, [OP_OPEN_DOWNGRADE] = { .op_func = (nfsd4op_func)nfsd4_open_downgrade, + .op_name = "OP_OPEN_DOWNGRADE", }, [OP_PUTFH] = { .op_func = (nfsd4op_func)nfsd4_putfh, .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + .op_name = "OP_PUTFH", }, [OP_PUTPUBFH] = { - /* unsupported; just for future reference: */ + /* unsupported, just for future reference: */ .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + .op_name = "OP_PUTPUBFH", }, [OP_PUTROOTFH] = { .op_func = (nfsd4op_func)nfsd4_putrootfh, .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + .op_name = "OP_PUTROOTFH", }, [OP_READ] = { .op_func = (nfsd4op_func)nfsd4_read, + .op_name = "OP_READ", }, [OP_READDIR] = { .op_func = (nfsd4op_func)nfsd4_readdir, + .op_name = "OP_READDIR", }, [OP_READLINK] = { .op_func = (nfsd4op_func)nfsd4_readlink, + .op_name = "OP_READLINK", }, [OP_REMOVE] = { .op_func = (nfsd4op_func)nfsd4_remove, + .op_name = "OP_REMOVE", }, [OP_RENAME] = { + .op_name = "OP_RENAME", .op_func = (nfsd4op_func)nfsd4_rename, }, [OP_RENEW] = { .op_func = (nfsd4op_func)nfsd4_renew, .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + .op_name = "OP_RENEW", }, [OP_RESTOREFH] = { .op_func = (nfsd4op_func)nfsd4_restorefh, .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + .op_name = "OP_RESTOREFH", }, [OP_SAVEFH] = { .op_func = (nfsd4op_func)nfsd4_savefh, + .op_name = "OP_SAVEFH", }, [OP_SECINFO] = { .op_func = (nfsd4op_func)nfsd4_secinfo, + .op_name = "OP_SECINFO", }, [OP_SETATTR] = { .op_func = (nfsd4op_func)nfsd4_setattr, + .op_name = "OP_SETATTR", }, [OP_SETCLIENTID] = { .op_func = (nfsd4op_func)nfsd4_setclientid, .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + .op_name = "OP_SETCLIENTID", }, [OP_SETCLIENTID_CONFIRM] = { .op_func = (nfsd4op_func)nfsd4_setclientid_confirm, .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + .op_name = "OP_SETCLIENTID_CONFIRM", }, [OP_VERIFY] = { .op_func = (nfsd4op_func)nfsd4_verify, + .op_name = "OP_VERIFY", }, [OP_WRITE] = { .op_func = (nfsd4op_func)nfsd4_write, + .op_name = "OP_WRITE", }, [OP_RELEASE_LOCKOWNER] = { .op_func = (nfsd4op_func)nfsd4_release_lockowner, .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, + .op_name = "OP_RELEASE_LOCKOWNER", }, }; +static inline char * +nfsd4_op_name(unsigned opnum) +{ + if (opnum < ARRAY_SIZE(nfsd4_ops)) + return nfsd4_ops[opnum].op_name; + return "unknown_operation"; +} + #define nfs4svc_decode_voidargs NULL #define nfs4svc_release_void NULL #define nfsd4_voidres nfsd4_voidargs diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 8799b870818..eca8aaa450f 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -1579,8 +1579,8 @@ nfs4_upgrade_open(struct svc_rqst *rqstp, struct svc_fh *cur_fh, struct nfs4_sta } /* remember the open */ filp->f_mode |= open->op_share_access; - set_bit(open->op_share_access, &stp->st_access_bmap); - set_bit(open->op_share_deny, &stp->st_deny_bmap); + __set_bit(open->op_share_access, &stp->st_access_bmap); + __set_bit(open->op_share_deny, &stp->st_deny_bmap); return nfs_ok; } @@ -1722,9 +1722,9 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf /* Stateid was not found, this is a new OPEN */ int flags = 0; if (open->op_share_access & NFS4_SHARE_ACCESS_READ) - flags |= MAY_READ; + flags |= NFSD_MAY_READ; if (open->op_share_access & NFS4_SHARE_ACCESS_WRITE) - flags |= MAY_WRITE; + flags |= NFSD_MAY_WRITE; status = nfs4_new_open(rqstp, &stp, dp, current_fh, flags); if (status) goto out; @@ -2610,7 +2610,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, return nfserr_inval; if ((status = fh_verify(rqstp, &cstate->current_fh, - S_IFREG, MAY_LOCK))) { + S_IFREG, NFSD_MAY_LOCK))) { dprintk("NFSD: nfsd4_lock: permission denied!\n"); return status; } @@ -3249,12 +3249,14 @@ nfs4_state_shutdown(void) nfs4_unlock_state(); } +/* + * user_recovery_dirname is protected by the nfsd_mutex since it's only + * accessed when nfsd is starting. + */ static void nfs4_set_recdir(char *recdir) { - nfs4_lock_state(); strcpy(user_recovery_dirname, recdir); - nfs4_unlock_state(); } /* @@ -3278,6 +3280,12 @@ nfs4_reset_recoverydir(char *recdir) return status; } +char * +nfs4_recoverydir(void) +{ + return user_recovery_dirname; +} + /* * Called when leasetime is changed. * @@ -3286,11 +3294,12 @@ nfs4_reset_recoverydir(char *recdir) * we start to register any changes in lease time. If the administrator * really wants to change the lease time *now*, they can go ahead and bring * nfsd down and then back up again after changing the lease time. + * + * user_lease_time is protected by nfsd_mutex since it's only really accessed + * when nfsd is starting */ void nfs4_reset_lease(time_t leasetime) { - lock_kernel(); user_lease_time = leasetime; - unlock_kernel(); } diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index c513bbdf2d3..a40bec53fa6 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -986,10 +986,74 @@ nfsd4_decode_release_lockowner(struct nfsd4_compoundargs *argp, struct nfsd4_rel } static __be32 +nfsd4_decode_noop(struct nfsd4_compoundargs *argp, void *p) +{ + return nfs_ok; +} + +static __be32 +nfsd4_decode_notsupp(struct nfsd4_compoundargs *argp, void *p) +{ + return nfserr_opnotsupp; +} + +typedef __be32(*nfsd4_dec)(struct nfsd4_compoundargs *argp, void *); + +static nfsd4_dec nfsd4_dec_ops[] = { + [OP_ACCESS] (nfsd4_dec)nfsd4_decode_access, + [OP_CLOSE] (nfsd4_dec)nfsd4_decode_close, + [OP_COMMIT] (nfsd4_dec)nfsd4_decode_commit, + [OP_CREATE] (nfsd4_dec)nfsd4_decode_create, + [OP_DELEGPURGE] (nfsd4_dec)nfsd4_decode_notsupp, + [OP_DELEGRETURN] (nfsd4_dec)nfsd4_decode_delegreturn, + [OP_GETATTR] (nfsd4_dec)nfsd4_decode_getattr, + [OP_GETFH] (nfsd4_dec)nfsd4_decode_noop, + [OP_LINK] (nfsd4_dec)nfsd4_decode_link, + [OP_LOCK] (nfsd4_dec)nfsd4_decode_lock, + [OP_LOCKT] (nfsd4_dec)nfsd4_decode_lockt, + [OP_LOCKU] (nfsd4_dec)nfsd4_decode_locku, + [OP_LOOKUP] (nfsd4_dec)nfsd4_decode_lookup, + [OP_LOOKUPP] (nfsd4_dec)nfsd4_decode_noop, + [OP_NVERIFY] (nfsd4_dec)nfsd4_decode_verify, + [OP_OPEN] (nfsd4_dec)nfsd4_decode_open, + [OP_OPENATTR] (nfsd4_dec)nfsd4_decode_notsupp, + [OP_OPEN_CONFIRM] (nfsd4_dec)nfsd4_decode_open_confirm, + [OP_OPEN_DOWNGRADE] (nfsd4_dec)nfsd4_decode_open_downgrade, + [OP_PUTFH] (nfsd4_dec)nfsd4_decode_putfh, + [OP_PUTPUBFH] (nfsd4_dec)nfsd4_decode_notsupp, + [OP_PUTROOTFH] (nfsd4_dec)nfsd4_decode_noop, + [OP_READ] (nfsd4_dec)nfsd4_decode_read, + [OP_READDIR] (nfsd4_dec)nfsd4_decode_readdir, + [OP_READLINK] (nfsd4_dec)nfsd4_decode_noop, + [OP_REMOVE] (nfsd4_dec)nfsd4_decode_remove, + [OP_RENAME] (nfsd4_dec)nfsd4_decode_rename, + [OP_RENEW] (nfsd4_dec)nfsd4_decode_renew, + [OP_RESTOREFH] (nfsd4_dec)nfsd4_decode_noop, + [OP_SAVEFH] (nfsd4_dec)nfsd4_decode_noop, + [OP_SECINFO] (nfsd4_dec)nfsd4_decode_secinfo, + [OP_SETATTR] (nfsd4_dec)nfsd4_decode_setattr, + [OP_SETCLIENTID] (nfsd4_dec)nfsd4_decode_setclientid, + [OP_SETCLIENTID_CONFIRM](nfsd4_dec)nfsd4_decode_setclientid_confirm, + [OP_VERIFY] (nfsd4_dec)nfsd4_decode_verify, + [OP_WRITE] (nfsd4_dec)nfsd4_decode_write, + [OP_RELEASE_LOCKOWNER] (nfsd4_dec)nfsd4_decode_release_lockowner, +}; + +struct nfsd4_minorversion_ops { + nfsd4_dec *decoders; + int nops; +}; + +static struct nfsd4_minorversion_ops nfsd4_minorversion[] = { + [0] { nfsd4_dec_ops, ARRAY_SIZE(nfsd4_dec_ops) }, +}; + +static __be32 nfsd4_decode_compound(struct nfsd4_compoundargs *argp) { DECODE_HEAD; struct nfsd4_op *op; + struct nfsd4_minorversion_ops *ops; int i; /* @@ -1019,6 +1083,10 @@ nfsd4_decode_compound(struct nfsd4_compoundargs *argp) } } + if (argp->minorversion >= ARRAY_SIZE(nfsd4_minorversion)) + argp->opcnt = 0; + + ops = &nfsd4_minorversion[argp->minorversion]; for (i = 0; i < argp->opcnt; i++) { op = &argp->ops[i]; op->replay = NULL; @@ -1056,120 +1124,11 @@ nfsd4_decode_compound(struct nfsd4_compoundargs *argp) } op->opnum = ntohl(*argp->p++); - switch (op->opnum) { - case 2: /* Reserved operation */ - op->opnum = OP_ILLEGAL; - if (argp->minorversion == 0) - op->status = nfserr_op_illegal; |