X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fnfs%2Fclient.c;h=a204484072f34ca37320f310eeee2b8bdbb35cca;hb=14878f75abd5bf1d38becb405801cd491ee215dc;hp=50c6821bad269b50a84a7f8ccb30210d045f9777;hpb=6ec129c3a2f8b38bc37e42348470ccfcb7460146;p=linux-2.6-omap-h63xx.git diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 50c6821bad2..a204484072f 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -12,7 +12,7 @@ #include #include - +#include #include #include #include @@ -102,19 +102,10 @@ static struct nfs_client *nfs_alloc_client(const char *hostname, int nfsversion) { struct nfs_client *clp; - int error; if ((clp = kzalloc(sizeof(*clp), GFP_KERNEL)) == NULL) goto error_0; - error = rpciod_up(); - if (error < 0) { - dprintk("%s: couldn't start rpciod! Error = %d\n", - __FUNCTION__, error); - goto error_1; - } - __set_bit(NFS_CS_RPCIOD, &clp->cl_res_state); - if (nfsversion == 4) { if (nfs_callback_up() < 0) goto error_2; @@ -139,8 +130,6 @@ static struct nfs_client *nfs_alloc_client(const char *hostname, #ifdef CONFIG_NFS_V4 init_rwsem(&clp->cl_sem); INIT_LIST_HEAD(&clp->cl_delegations); - INIT_LIST_HEAD(&clp->cl_state_owners); - INIT_LIST_HEAD(&clp->cl_unused); spin_lock_init(&clp->cl_lock); INIT_DELAYED_WORK(&clp->cl_renewd, nfs4_renew_state); rpc_init_wait_queue(&clp->cl_rpcwaitq, "NFS client"); @@ -154,9 +143,6 @@ error_3: if (__test_and_clear_bit(NFS_CS_CALLBACK, &clp->cl_res_state)) nfs_callback_down(); error_2: - rpciod_down(); - __clear_bit(NFS_CS_RPCIOD, &clp->cl_res_state); -error_1: kfree(clp); error_0: return NULL; @@ -167,16 +153,7 @@ static void nfs4_shutdown_client(struct nfs_client *clp) #ifdef CONFIG_NFS_V4 if (__test_and_clear_bit(NFS_CS_RENEWD, &clp->cl_res_state)) nfs4_kill_renewd(clp); - while (!list_empty(&clp->cl_unused)) { - struct nfs4_state_owner *sp; - - sp = list_entry(clp->cl_unused.next, - struct nfs4_state_owner, - so_list); - list_del(&sp->so_list); - kfree(sp); - } - BUG_ON(!list_empty(&clp->cl_state_owners)); + BUG_ON(!RB_EMPTY_ROOT(&clp->cl_state_owners)); if (__test_and_clear_bit(NFS_CS_IDMAP, &clp->cl_res_state)) nfs_idmap_delete(clp); #endif @@ -198,9 +175,6 @@ static void nfs_free_client(struct nfs_client *clp) if (__test_and_clear_bit(NFS_CS_CALLBACK, &clp->cl_res_state)) nfs_callback_down(); - if (__test_and_clear_bit(NFS_CS_RPCIOD, &clp->cl_res_state)) - rpciod_down(); - kfree(clp->cl_hostname); kfree(clp); @@ -614,16 +588,6 @@ static int nfs_init_server(struct nfs_server *server, const struct nfs_mount_dat server->namelen = data->namlen; /* Create a client RPC handle for the NFSv3 ACL management interface */ nfs_init_server_aclclient(server); - if (clp->cl_nfsversion == 3) { - if (server->namelen == 0 || server->namelen > NFS3_MAXNAMLEN) - server->namelen = NFS3_MAXNAMLEN; - if (!(data->flags & NFS_MOUNT_NORDIRPLUS)) - server->caps |= NFS_CAP_READDIRPLUS; - } else { - if (server->namelen == 0 || server->namelen > NFS2_MAXNAMLEN) - server->namelen = NFS2_MAXNAMLEN; - } - dprintk("<-- nfs_init_server() = 0 [new %p]\n", clp); return 0; @@ -820,6 +784,16 @@ struct nfs_server *nfs_create_server(const struct nfs_mount_data *data, error = nfs_probe_fsinfo(server, mntfh, &fattr); if (error < 0) goto error; + if (server->nfs_client->rpc_ops->version == 3) { + if (server->namelen == 0 || server->namelen > NFS3_MAXNAMLEN) + server->namelen = NFS3_MAXNAMLEN; + if (!(data->flags & NFS_MOUNT_NORDIRPLUS)) + server->caps |= NFS_CAP_READDIRPLUS; + } else { + if (server->namelen == 0 || server->namelen > NFS2_MAXNAMLEN) + server->namelen = NFS2_MAXNAMLEN; + } + if (!(fattr.valid & NFS_ATTR_FATTR)) { error = server->nfs_client->rpc_ops->getattr(server, mntfh, &fattr); if (error < 0) { @@ -1010,6 +984,9 @@ struct nfs_server *nfs4_create_server(const struct nfs4_mount_data *data, if (error < 0) goto error; + if (server->namelen == 0 || server->namelen > NFS4_MAXNAMLEN) + server->namelen = NFS4_MAXNAMLEN; + BUG_ON(!server->nfs_client); BUG_ON(!server->nfs_client->rpc_ops); BUG_ON(!server->nfs_client->rpc_ops->file_inode_ops); @@ -1082,6 +1059,9 @@ struct nfs_server *nfs4_create_referral_server(struct nfs_clone_mount *data, if (error < 0) goto error; + if (server->namelen == 0 || server->namelen > NFS4_MAXNAMLEN) + server->namelen = NFS4_MAXNAMLEN; + dprintk("Referral FSID: %llx:%llx\n", (unsigned long long) server->fsid.major, (unsigned long long) server->fsid.minor); @@ -1141,6 +1121,9 @@ struct nfs_server *nfs_clone_server(struct nfs_server *source, if (error < 0) goto out_free_server; + if (server->namelen == 0 || server->namelen > NFS4_MAXNAMLEN) + server->namelen = NFS4_MAXNAMLEN; + dprintk("Cloned FSID: %llx:%llx\n", (unsigned long long) server->fsid.major, (unsigned long long) server->fsid.minor); @@ -1232,23 +1215,9 @@ static int nfs_server_list_open(struct inode *inode, struct file *file) */ static void *nfs_server_list_start(struct seq_file *m, loff_t *_pos) { - struct list_head *_p; - loff_t pos = *_pos; - /* lock the list against modification */ spin_lock(&nfs_client_lock); - - /* allow for the header line */ - if (!pos) - return SEQ_START_TOKEN; - pos--; - - /* find the n'th element in the list */ - list_for_each(_p, &nfs_client_list) - if (!pos--) - break; - - return _p != &nfs_client_list ? _p : NULL; + return seq_list_start_head(&nfs_client_list, *_pos); } /* @@ -1256,14 +1225,7 @@ static void *nfs_server_list_start(struct seq_file *m, loff_t *_pos) */ static void *nfs_server_list_next(struct seq_file *p, void *v, loff_t *pos) { - struct list_head *_p; - - (*pos)++; - - _p = v; - _p = (v == SEQ_START_TOKEN) ? nfs_client_list.next : _p->next; - - return _p != &nfs_client_list ? _p : NULL; + return seq_list_next(v, &nfs_client_list, pos); } /* @@ -1282,7 +1244,7 @@ static int nfs_server_list_show(struct seq_file *m, void *v) struct nfs_client *clp; /* display header on line 1 */ - if (v == SEQ_START_TOKEN) { + if (v == &nfs_client_list) { seq_puts(m, "NV SERVER PORT USE HOSTNAME\n"); return 0; } @@ -1323,23 +1285,9 @@ static int nfs_volume_list_open(struct inode *inode, struct file *file) */ static void *nfs_volume_list_start(struct seq_file *m, loff_t *_pos) { - struct list_head *_p; - loff_t pos = *_pos; - /* lock the list against modification */ spin_lock(&nfs_client_lock); - - /* allow for the header line */ - if (!pos) - return SEQ_START_TOKEN; - pos--; - - /* find the n'th element in the list */ - list_for_each(_p, &nfs_volume_list) - if (!pos--) - break; - - return _p != &nfs_volume_list ? _p : NULL; + return seq_list_start_head(&nfs_volume_list, *_pos); } /* @@ -1347,14 +1295,7 @@ static void *nfs_volume_list_start(struct seq_file *m, loff_t *_pos) */ static void *nfs_volume_list_next(struct seq_file *p, void *v, loff_t *pos) { - struct list_head *_p; - - (*pos)++; - - _p = v; - _p = (v == SEQ_START_TOKEN) ? nfs_volume_list.next : _p->next; - - return _p != &nfs_volume_list ? _p : NULL; + return seq_list_next(v, &nfs_volume_list, pos); } /* @@ -1375,7 +1316,7 @@ static int nfs_volume_list_show(struct seq_file *m, void *v) char dev[8], fsid[17]; /* display header on line 1 */ - if (v == SEQ_START_TOKEN) { + if (v == &nfs_volume_list) { seq_puts(m, "NV SERVER PORT DEV FSID\n"); return 0; }