diff options
Diffstat (limited to 'fs/nfs/nfs4proc.c')
-rw-r--r-- | fs/nfs/nfs4proc.c | 288 |
1 files changed, 137 insertions, 151 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 9e2e1c7..5c189bd 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -210,7 +210,7 @@ static void update_changeattr(struct inode *dir, struct nfs4_change_info *cinfo) spin_lock(&dir->i_lock); nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_DATA; if (!cinfo->atomic || cinfo->before != nfsi->change_attr) - nfsi->cache_change_attribute = jiffies; + nfs_force_lookup_revalidate(dir); nfsi->change_attr = cinfo->after; spin_unlock(&dir->i_lock); } @@ -718,19 +718,6 @@ int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state return err; } -static void nfs4_open_confirm_prepare(struct rpc_task *task, void *calldata) -{ - struct nfs4_opendata *data = calldata; - struct rpc_message msg = { - .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN_CONFIRM], - .rpc_argp = &data->c_arg, - .rpc_resp = &data->c_res, - .rpc_cred = data->owner->so_cred, - }; - data->timestamp = jiffies; - rpc_call_setup(task, &msg, 0); -} - static void nfs4_open_confirm_done(struct rpc_task *task, void *calldata) { struct nfs4_opendata *data = calldata; @@ -767,7 +754,6 @@ out_free: } static const struct rpc_call_ops nfs4_open_confirm_ops = { - .rpc_call_prepare = nfs4_open_confirm_prepare, .rpc_call_done = nfs4_open_confirm_done, .rpc_release = nfs4_open_confirm_release, }; @@ -779,12 +765,26 @@ static int _nfs4_proc_open_confirm(struct nfs4_opendata *data) { struct nfs_server *server = NFS_SERVER(data->dir->d_inode); struct rpc_task *task; + struct rpc_message msg = { + .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN_CONFIRM], + .rpc_argp = &data->c_arg, + .rpc_resp = &data->c_res, + .rpc_cred = data->owner->so_cred, + }; + struct rpc_task_setup task_setup_data = { + .rpc_client = server->client, + .rpc_message = &msg, + .callback_ops = &nfs4_open_confirm_ops, + .callback_data = data, + .flags = RPC_TASK_ASYNC, + }; int status; kref_get(&data->kref); data->rpc_done = 0; data->rpc_status = 0; - task = rpc_run_task(server->client, RPC_TASK_ASYNC, &nfs4_open_confirm_ops, data); + data->timestamp = jiffies; + task = rpc_run_task(&task_setup_data); if (IS_ERR(task)) return PTR_ERR(task); status = nfs4_wait_for_completion_rpc_task(task); @@ -801,13 +801,7 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata) { struct nfs4_opendata *data = calldata; struct nfs4_state_owner *sp = data->owner; - struct rpc_message msg = { - .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN], - .rpc_argp = &data->o_arg, - .rpc_resp = &data->o_res, - .rpc_cred = sp->so_cred, - }; - + if (nfs_wait_on_sequence(data->o_arg.seqid, task) != 0) return; /* @@ -832,11 +826,11 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata) data->o_arg.id = sp->so_owner_id.id; data->o_arg.clientid = sp->so_client->cl_clientid; if (data->o_arg.claim == NFS4_OPEN_CLAIM_PREVIOUS) { - msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN_NOATTR]; + task->tk_msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN_NOATTR]; nfs_copy_fh(&data->o_res.fh, data->o_arg.fh); } data->timestamp = jiffies; - rpc_call_setup(task, &msg, 0); + rpc_call_start(task); return; out_no_action: task->tk_action = NULL; @@ -908,13 +902,26 @@ static int _nfs4_proc_open(struct nfs4_opendata *data) struct nfs_openargs *o_arg = &data->o_arg; struct nfs_openres *o_res = &data->o_res; struct rpc_task *task; + struct rpc_message msg = { + .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN], + .rpc_argp = o_arg, + .rpc_resp = o_res, + .rpc_cred = data->owner->so_cred, + }; + struct rpc_task_setup task_setup_data = { + .rpc_client = server->client, + .rpc_message = &msg, + .callback_ops = &nfs4_open_ops, + .callback_data = data, + .flags = RPC_TASK_ASYNC, + }; int status; kref_get(&data->kref); data->rpc_done = 0; data->rpc_status = 0; data->cancelled = 0; - task = rpc_run_task(server->client, RPC_TASK_ASYNC, &nfs4_open_ops, data); + task = rpc_run_task(&task_setup_data); if (IS_ERR(task)) return PTR_ERR(task); status = nfs4_wait_for_completion_rpc_task(task); @@ -1244,12 +1251,6 @@ static void nfs4_close_prepare(struct rpc_task *task, void *data) { struct nfs4_closedata *calldata = data; struct nfs4_state *state = calldata->state; - struct rpc_message msg = { - .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_CLOSE], - .rpc_argp = &calldata->arg, - .rpc_resp = &calldata->res, - .rpc_cred = state->owner->so_cred, - }; int clear_rd, clear_wr, clear_rdwr; if (nfs_wait_on_sequence(calldata->arg.seqid, task) != 0) @@ -1276,14 +1277,14 @@ static void nfs4_close_prepare(struct rpc_task *task, void *data) } nfs_fattr_init(calldata->res.fattr); if (test_bit(NFS_O_RDONLY_STATE, &state->flags) != 0) { - msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN_DOWNGRADE]; + task->tk_msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN_DOWNGRADE]; calldata->arg.open_flags = FMODE_READ; } else if (test_bit(NFS_O_WRONLY_STATE, &state->flags) != 0) { - msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN_DOWNGRADE]; + task->tk_msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN_DOWNGRADE]; calldata->arg.open_flags = FMODE_WRITE; } calldata->timestamp = jiffies; - rpc_call_setup(task, &msg, 0); + rpc_call_start(task); } static const struct rpc_call_ops nfs4_close_ops = { @@ -1309,6 +1310,16 @@ int nfs4_do_close(struct path *path, struct nfs4_state *state, int wait) struct nfs4_closedata *calldata; struct nfs4_state_owner *sp = state->owner; struct rpc_task *task; + struct rpc_message msg = { + .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_CLOSE], + .rpc_cred = state->owner->so_cred, + }; + struct rpc_task_setup task_setup_data = { + .rpc_client = server->client, + .rpc_message = &msg, + .callback_ops = &nfs4_close_ops, + .flags = RPC_TASK_ASYNC, + }; int status = -ENOMEM; calldata = kmalloc(sizeof(*calldata), GFP_KERNEL); @@ -1328,7 +1339,10 @@ int nfs4_do_close(struct path *path, struct nfs4_state *state, int wait) calldata->path.mnt = mntget(path->mnt); calldata->path.dentry = dget(path->dentry); - task = rpc_run_task(server->client, RPC_TASK_ASYNC, &nfs4_close_ops, calldata); + msg.rpc_argp = &calldata->arg, + msg.rpc_resp = &calldata->res, + task_setup_data.callback_data = calldata; + task = rpc_run_task(&task_setup_data); if (IS_ERR(task)) return PTR_ERR(task); status = 0; @@ -2414,18 +2428,10 @@ static int nfs4_read_done(struct rpc_task *task, struct nfs_read_data *data) return 0; } -static void nfs4_proc_read_setup(struct nfs_read_data *data) +static void nfs4_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg) { - struct rpc_message msg = { - .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_READ], - .rpc_argp = &data->args, - .rpc_resp = &data->res, - .rpc_cred = data->cred, - }; - data->timestamp = jiffies; - - rpc_call_setup(&data->task, &msg, 0); + msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_READ]; } static int nfs4_write_done(struct rpc_task *task, struct nfs_write_data *data) @@ -2443,33 +2449,15 @@ static int nfs4_write_done(struct rpc_task *task, struct nfs_write_data *data) return 0; } -static void nfs4_proc_write_setup(struct nfs_write_data *data, int how) +static void nfs4_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg) { - struct rpc_message msg = { - .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_WRITE], - .rpc_argp = &data->args, - .rpc_resp = &data->res, - .rpc_cred = data->cred, - }; - struct inode *inode = data->inode; - struct nfs_server *server = NFS_SERVER(inode); - int stable; - - if (how & FLUSH_STABLE) { - if (!NFS_I(inode)->ncommit) - stable = NFS_FILE_SYNC; - else - stable = NFS_DATA_SYNC; - } else - stable = NFS_UNSTABLE; - data->args.stable = stable; + struct nfs_server *server = NFS_SERVER(data->inode); + data->args.bitmask = server->attr_bitmask; data->res.server = server; - data->timestamp = jiffies; - /* Finalize the task. */ - rpc_call_setup(&data->task, &msg, 0); + msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_WRITE]; } static int nfs4_commit_done(struct rpc_task *task, struct nfs_write_data *data) @@ -2484,20 +2472,13 @@ static int nfs4_commit_done(struct rpc_task *task, struct nfs_write_data *data) return 0; } -static void nfs4_proc_commit_setup(struct nfs_write_data *data, int how) +static void nfs4_proc_commit_setup(struct nfs_write_data *data, struct rpc_message *msg) { - struct rpc_message msg = { - .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_COMMIT], - .rpc_argp = &data->args, - .rpc_resp = &data->res, - .rpc_cred = data->cred, - }; struct nfs_server *server = NFS_SERVER(data->inode); data->args.bitmask = server->attr_bitmask; data->res.server = server; - - rpc_call_setup(&data->task, &msg, 0); + msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_COMMIT]; } /* @@ -2910,14 +2891,20 @@ int nfs4_proc_setclientid(struct nfs_client *clp, u32 program, unsigned short po for(;;) { setclientid.sc_name_len = scnprintf(setclientid.sc_name, - sizeof(setclientid.sc_name), "%s/%u.%u.%u.%u %s %u", - clp->cl_ipaddr, NIPQUAD(clp->cl_addr.sin_addr), + sizeof(setclientid.sc_name), "%s/%s %s %s %u", + clp->cl_ipaddr, + rpc_peeraddr2str(clp->cl_rpcclient, + RPC_DISPLAY_ADDR), + rpc_peeraddr2str(clp->cl_rpcclient, + RPC_DISPLAY_PROTO), cred->cr_ops->cr_name, clp->cl_id_uniquifier); setclientid.sc_netid_len = scnprintf(setclientid.sc_netid, - sizeof(setclientid.sc_netid), "tcp"); + sizeof(setclientid.sc_netid), + rpc_peeraddr2str(clp->cl_rpcclient, + RPC_DISPLAY_NETID)); setclientid.sc_uaddr_len = scnprintf(setclientid.sc_uaddr, - sizeof(setclientid.sc_uaddr), "%s.%d.%d", + sizeof(setclientid.sc_uaddr), "%s.%u.%u", clp->cl_ipaddr, port >> 8, port & 255); status = rpc_call_sync(clp->cl_rpcclient, &msg, 0); @@ -2981,25 +2968,11 @@ struct nfs4_delegreturndata { struct nfs4_delegreturnres res; struct nfs_fh fh; nfs4_stateid stateid; - struct rpc_cred *cred; unsigned long timestamp; struct nfs_fattr fattr; int rpc_status; }; -static void nfs4_delegreturn_prepare(struct rpc_task *task, void *calldata) -{ - struct nfs4_delegreturndata *data = calldata; - struct rpc_message msg = { - .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_DELEGRETURN], - .rpc_argp = &data->args, - .rpc_resp = &data->res, - .rpc_cred = data->cred, - }; - nfs_fattr_init(data->res.fattr); - rpc_call_setup(task, &msg, 0); -} - static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata) { struct nfs4_delegreturndata *data = calldata; @@ -3010,24 +2983,30 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata) static void nfs4_delegreturn_release(void *calldata) { - struct nfs4_delegreturndata *data = calldata; - - put_rpccred(data->cred); kfree(calldata); } static const struct rpc_call_ops nfs4_delegreturn_ops = { - .rpc_call_prepare = nfs4_delegreturn_prepare, .rpc_call_done = nfs4_delegreturn_done, .rpc_release = nfs4_delegreturn_release, }; -static int _nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, const nfs4_stateid *stateid) +static int _nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, const nfs4_stateid *stateid, int issync) { struct nfs4_delegreturndata *data; struct nfs_server *server = NFS_SERVER(inode); struct rpc_task *task; - int status; + struct rpc_message msg = { + .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_DELEGRETURN], + .rpc_cred = cred, + }; + struct rpc_task_setup task_setup_data = { + .rpc_client = server->client, + .rpc_message = &msg, + .callback_ops = &nfs4_delegreturn_ops, + .flags = RPC_TASK_ASYNC, + }; + int status = 0; data = kmalloc(sizeof(*data), GFP_KERNEL); if (data == NULL) @@ -3039,30 +3018,37 @@ static int _nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, co memcpy(&data->stateid, stateid, sizeof(data->stateid)); data->res.fattr = &data->fattr; data->res.server = server; - data->cred = get_rpccred(cred); + nfs_fattr_init(data->res.fattr); data->timestamp = jiffies; data->rpc_status = 0; - task = rpc_run_task(NFS_CLIENT(inode), RPC_TASK_ASYNC, &nfs4_delegreturn_ops, data); + task_setup_data.callback_data = data; + msg.rpc_argp = &data->args, + msg.rpc_resp = &data->res, + task = rpc_run_task(&task_setup_data); if (IS_ERR(task)) return PTR_ERR(task); + if (!issync) + goto out; status = nfs4_wait_for_completion_rpc_task(task); - if (status == 0) { - status = data->rpc_status; - if (status == 0) - nfs_refresh_inode(inode, &data->fattr); - } + if (status != 0) + goto out; + status = data->rpc_status; + if (status != 0) + goto out; + nfs_refresh_inode(inode, &data->fattr); +out: rpc_put_task(task); return status; } -int nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, const nfs4_stateid *stateid) +int nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, const nfs4_stateid *stateid, int issync) { struct nfs_server *server = NFS_SERVER(inode); struct nfs4_exception exception = { }; int err; do { - err = _nfs4_proc_delegreturn(inode, cred, stateid); + err = _nfs4_proc_delegreturn(inode, cred, stateid, issync); switch (err) { case -NFS4ERR_STALE_STATEID: case -NFS4ERR_EXPIRED: @@ -3230,12 +3216,6 @@ static void nfs4_locku_done(struct rpc_task *task, void *data) static void nfs4_locku_prepare(struct rpc_task *task, void *data) { struct nfs4_unlockdata *calldata = data; - struct rpc_message msg = { - .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_LOCKU], - .rpc_argp = &calldata->arg, - .rpc_resp = &calldata->res, - .rpc_cred = calldata->lsp->ls_state->owner->so_cred, - }; if (nfs_wait_on_sequence(calldata->arg.seqid, task) != 0) return; @@ -3245,7 +3225,7 @@ static void nfs4_locku_prepare(struct rpc_task *task, void *data) return; } calldata->timestamp = jiffies; - rpc_call_setup(task, &msg, 0); + rpc_call_start(task); } static const struct rpc_call_ops nfs4_locku_ops = { @@ -3260,6 +3240,16 @@ static struct rpc_task *nfs4_do_unlck(struct file_lock *fl, struct nfs_seqid *seqid) { struct nfs4_unlockdata *data; + struct rpc_message msg = { + .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_LOCKU], + .rpc_cred = ctx->cred, + }; + struct rpc_task_setup task_setup_data = { + .rpc_client = NFS_CLIENT(lsp->ls_state->inode), + .rpc_message = &msg, + .callback_ops = &nfs4_locku_ops, + .flags = RPC_TASK_ASYNC, + }; /* Ensure this is an unlock - when canceling a lock, the * canceled lock is passed in, and it won't be an unlock. @@ -3272,7 +3262,10 @@ static struct rpc_task *nfs4_do_unlck(struct file_lock *fl, return ERR_PTR(-ENOMEM); } - return rpc_run_task(NFS_CLIENT(lsp->ls_state->inode), RPC_TASK_ASYNC, &nfs4_locku_ops, data); + msg.rpc_argp = &data->arg, + msg.rpc_resp = &data->res, + task_setup_data.callback_data = data; + return rpc_run_task(&task_setup_data); } static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock *request) @@ -3331,15 +3324,12 @@ static struct nfs4_lockdata *nfs4_alloc_lockdata(struct file_lock *fl, p->arg.fh = NFS_FH(inode); p->arg.fl = &p->fl; - if (!(lsp->ls_seqid.flags & NFS_SEQID_CONFIRMED)) { - p->arg.open_seqid = nfs_alloc_seqid(&lsp->ls_state->owner->so_seqid); - if (p->arg.open_seqid == NULL) - goto out_free; - - } + p->arg.open_seqid = nfs_alloc_seqid(&lsp->ls_state->owner->so_seqid); + if (p->arg.open_seqid == NULL) + goto out_free; p->arg.lock_seqid = nfs_alloc_seqid(&lsp->ls_seqid); if (p->arg.lock_seqid == NULL) - goto out_free; + goto out_free_seqid; p->arg.lock_stateid = &lsp->ls_stateid; p->arg.lock_owner.clientid = server->nfs_client->cl_clientid; p->arg.lock_owner.id = lsp->ls_id.id; @@ -3348,9 +3338,9 @@ static struct nfs4_lockdata *nfs4_alloc_lockdata(struct file_lock *fl, p->ctx = get_nfs_open_context(ctx); memcpy(&p->fl, fl, sizeof(p->fl)); return p; +out_free_seqid: + nfs_free_seqid(p->arg.open_seqid); out_free: - if (p->arg.open_seqid != NULL) - nfs_free_seqid(p->arg.open_seqid); kfree(p); return NULL; } @@ -3359,31 +3349,20 @@ static void nfs4_lock_prepare(struct rpc_task *task, void *calldata) { struct nfs4_lockdata *data = calldata; struct nfs4_state *state = data->lsp->ls_state; - struct nfs4_state_owner *sp = state->owner; - struct rpc_message msg = { - .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_LOCK], - .rpc_argp = &data->arg, - .rpc_resp = &data->res, - .rpc_cred = sp->so_cred, - }; dprintk("%s: begin!\n", __FUNCTION__); + if (nfs_wait_on_sequence(data->arg.lock_seqid, task) != 0) + return; /* Do we need to do an open_to_lock_owner? */ if (!(data->arg.lock_seqid->sequence->flags & NFS_SEQID_CONFIRMED)) { if (nfs_wait_on_sequence(data->arg.open_seqid, task) != 0) return; data->arg.open_stateid = &state->stateid; data->arg.new_lock_owner = 1; - /* Retest in case we raced... */ - if (!(data->arg.lock_seqid->sequence->flags & NFS_SEQID_CONFIRMED)) - goto do_rpc; - } - if (nfs_wait_on_sequence(data->arg.lock_seqid, task) != 0) - return; - data->arg.new_lock_owner = 0; -do_rpc: + } else + data->arg.new_lock_owner = 0; data->timestamp = jiffies; - rpc_call_setup(task, &msg, 0); + rpc_call_start(task); dprintk("%s: done!, ret = %d\n", __FUNCTION__, data->rpc_status); } @@ -3419,6 +3398,7 @@ static void nfs4_lock_release(void *calldata) struct nfs4_lockdata *data = calldata; dprintk("%s: begin!\n", __FUNCTION__); + nfs_free_seqid(data->arg.open_seqid); if (data->cancelled != 0) { struct rpc_task *task; task = nfs4_do_unlck(&data->fl, data->ctx, data->lsp, @@ -3428,8 +3408,6 @@ static void nfs4_lock_release(void *calldata) dprintk("%s: cancelling lock!\n", __FUNCTION__); } else nfs_free_seqid(data->arg.lock_seqid); - if (data->arg.open_seqid != NULL) - nfs_free_seqid(data->arg.open_seqid); nfs4_put_lock_state(data->lsp); put_nfs_open_context(data->ctx); kfree(data); @@ -3446,6 +3424,16 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f { struct nfs4_lockdata *data; struct rpc_task *task; + struct rpc_message msg = { + .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_LOCK], + .rpc_cred = state->owner->so_cred, + }; + struct rpc_task_setup task_setup_data = { + .rpc_client = NFS_CLIENT(state->inode), + .rpc_message = &msg, + .callback_ops = &nfs4_lock_ops, + .flags = RPC_TASK_ASYNC, + }; int ret; dprintk("%s: begin!\n", __FUNCTION__); @@ -3457,8 +3445,10 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f data->arg.block = 1; if (reclaim != 0) data->arg.reclaim = 1; - task = rpc_run_task(NFS_CLIENT(state->inode), RPC_TASK_ASYNC, - &nfs4_lock_ops, data); + msg.rpc_argp = &data->arg, + msg.rpc_resp = &data->res, + task_setup_data.callback_data = data; + task = rpc_run_task(&task_setup_data); if (IS_ERR(task)) return PTR_ERR(task); ret = nfs4_wait_for_completion_rpc_task(task); @@ -3631,10 +3621,6 @@ int nfs4_setxattr(struct dentry *dentry, const char *key, const void *buf, if (strcmp(key, XATTR_NAME_NFSV4_ACL) != 0) return -EOPNOTSUPP; - if (!S_ISREG(inode->i_mode) && - (!S_ISDIR(inode->i_mode) || inode->i_mode & S_ISVTX)) - return -EPERM; - return nfs4_proc_set_acl(inode, buf, buflen); } |