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fs/ncpfs/inode.c
27 KB
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/* * inode.c * * Copyright (C) 1995, 1996 by Volker Lendecke * Modified for big endian by J.F. Chadima and David S. Miller * Modified 1997 Peter Waltenberg, Bill Hawes, David Woodhouse for 2.1 dcache * Modified 1998 Wolfram Pienkoss for NLS * Modified 2000 Ben Harris, University of Cambridge for NFS NS meta-info * */ |
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#include <linux/module.h> #include <asm/system.h> #include <asm/uaccess.h> #include <asm/byteorder.h> #include <linux/time.h> #include <linux/kernel.h> #include <linux/mm.h> #include <linux/string.h> #include <linux/stat.h> #include <linux/errno.h> #include <linux/file.h> #include <linux/fcntl.h> #include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/init.h> |
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#include <linux/vfs.h> |
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#include <linux/mount.h> #include <linux/seq_file.h> |
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#include <linux/namei.h> |
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#include <net/sock.h> |
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#include "ncp_fs.h" |
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#include "getopt.h" |
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#define NCP_DEFAULT_FILE_MODE 0600 #define NCP_DEFAULT_DIR_MODE 0700 #define NCP_DEFAULT_TIME_OUT 10 #define NCP_DEFAULT_RETRY_COUNT 20 |
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static void ncp_evict_inode(struct inode *); |
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static void ncp_put_super(struct super_block *); |
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static int ncp_statfs(struct dentry *, struct kstatfs *); |
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static int ncp_show_options(struct seq_file *, struct dentry *); |
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|
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static struct kmem_cache * ncp_inode_cachep; |
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static struct inode *ncp_alloc_inode(struct super_block *sb) { struct ncp_inode_info *ei; |
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ei = (struct ncp_inode_info *)kmem_cache_alloc(ncp_inode_cachep, GFP_KERNEL); |
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if (!ei) return NULL; return &ei->vfs_inode; } |
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static void ncp_i_callback(struct rcu_head *head) |
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{ |
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struct inode *inode = container_of(head, struct inode, i_rcu); |
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kmem_cache_free(ncp_inode_cachep, NCP_FINFO(inode)); } |
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static void ncp_destroy_inode(struct inode *inode) { call_rcu(&inode->i_rcu, ncp_i_callback); } |
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static void init_once(void *foo) |
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{ struct ncp_inode_info *ei = (struct ncp_inode_info *) foo; |
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mutex_init(&ei->open_mutex); inode_init_once(&ei->vfs_inode); |
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} |
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static int init_inodecache(void) { ncp_inode_cachep = kmem_cache_create("ncp_inode_cache", sizeof(struct ncp_inode_info), |
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0, (SLAB_RECLAIM_ACCOUNT| SLAB_MEM_SPREAD), |
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init_once); |
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if (ncp_inode_cachep == NULL) return -ENOMEM; return 0; } static void destroy_inodecache(void) { |
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kmem_cache_destroy(ncp_inode_cachep); |
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} static int ncp_remount(struct super_block *sb, int *flags, char* data) { *flags |= MS_NODIRATIME; return 0; } |
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static const struct super_operations ncp_sops = |
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{ .alloc_inode = ncp_alloc_inode, .destroy_inode = ncp_destroy_inode, .drop_inode = generic_delete_inode, |
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.evict_inode = ncp_evict_inode, |
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.put_super = ncp_put_super, .statfs = ncp_statfs, .remount_fs = ncp_remount, |
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.show_options = ncp_show_options, |
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}; |
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/* * Fill in the ncpfs-specific information in the inode. */ static void ncp_update_dirent(struct inode *inode, struct ncp_entry_info *nwinfo) { NCP_FINFO(inode)->DosDirNum = nwinfo->i.DosDirNum; NCP_FINFO(inode)->dirEntNum = nwinfo->i.dirEntNum; NCP_FINFO(inode)->volNumber = nwinfo->volume; } void ncp_update_inode(struct inode *inode, struct ncp_entry_info *nwinfo) { ncp_update_dirent(inode, nwinfo); NCP_FINFO(inode)->nwattr = nwinfo->i.attributes; NCP_FINFO(inode)->access = nwinfo->access; memcpy(NCP_FINFO(inode)->file_handle, nwinfo->file_handle, sizeof(nwinfo->file_handle)); DPRINTK("ncp_update_inode: updated %s, volnum=%d, dirent=%u ", nwinfo->i.entryName, NCP_FINFO(inode)->volNumber, NCP_FINFO(inode)->dirEntNum); } static void ncp_update_dates(struct inode *inode, struct nw_info_struct *nwi) { /* NFS namespace mode overrides others if it's set. */ DPRINTK(KERN_DEBUG "ncp_update_dates_and_mode: (%s) nfs.mode=0%o ", nwi->entryName, nwi->nfs.mode); if (nwi->nfs.mode) { /* XXX Security? */ inode->i_mode = nwi->nfs.mode; } |
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inode->i_blocks = (i_size_read(inode) + NCP_BLOCK_SIZE - 1) >> NCP_BLOCK_SHIFT; |
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inode->i_mtime.tv_sec = ncp_date_dos2unix(nwi->modifyTime, nwi->modifyDate); inode->i_ctime.tv_sec = ncp_date_dos2unix(nwi->creationTime, nwi->creationDate); inode->i_atime.tv_sec = ncp_date_dos2unix(0, nwi->lastAccessDate); inode->i_atime.tv_nsec = 0; inode->i_mtime.tv_nsec = 0; inode->i_ctime.tv_nsec = 0; } static void ncp_update_attrs(struct inode *inode, struct ncp_entry_info *nwinfo) { struct nw_info_struct *nwi = &nwinfo->i; struct ncp_server *server = NCP_SERVER(inode); if (nwi->attributes & aDIR) { inode->i_mode = server->m.dir_mode; /* for directories dataStreamSize seems to be some Object ID ??? */ |
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i_size_write(inode, NCP_BLOCK_SIZE); |
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} else { |
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u32 size; |
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inode->i_mode = server->m.file_mode; |
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size = le32_to_cpu(nwi->dataStreamSize); i_size_write(inode, size); |
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#ifdef CONFIG_NCPFS_EXTRAS if ((server->m.flags & (NCP_MOUNT_EXTRAS|NCP_MOUNT_SYMLINKS)) && (nwi->attributes & aSHARED)) { switch (nwi->attributes & (aHIDDEN|aSYSTEM)) { case aHIDDEN: if (server->m.flags & NCP_MOUNT_SYMLINKS) { |
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if (/* (size >= NCP_MIN_SYMLINK_SIZE) && */ (size <= NCP_MAX_SYMLINK_SIZE)) { |
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inode->i_mode = (inode->i_mode & ~S_IFMT) | S_IFLNK; NCP_FINFO(inode)->flags |= NCPI_KLUDGE_SYMLINK; break; } } /* FALLTHROUGH */ case 0: if (server->m.flags & NCP_MOUNT_EXTRAS) inode->i_mode |= S_IRUGO; break; case aSYSTEM: if (server->m.flags & NCP_MOUNT_EXTRAS) inode->i_mode |= (inode->i_mode >> 2) & S_IXUGO; break; /* case aSYSTEM|aHIDDEN: */ default: /* reserved combination */ break; } } #endif } if (nwi->attributes & aRONLY) inode->i_mode &= ~S_IWUGO; } void ncp_update_inode2(struct inode* inode, struct ncp_entry_info *nwinfo) { NCP_FINFO(inode)->flags = 0; if (!atomic_read(&NCP_FINFO(inode)->opened)) { NCP_FINFO(inode)->nwattr = nwinfo->i.attributes; ncp_update_attrs(inode, nwinfo); } ncp_update_dates(inode, &nwinfo->i); ncp_update_dirent(inode, nwinfo); } /* |
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* Fill in the inode based on the ncp_entry_info structure. Used only for brand new inodes. |
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*/ static void ncp_set_attr(struct inode *inode, struct ncp_entry_info *nwinfo) { struct ncp_server *server = NCP_SERVER(inode); NCP_FINFO(inode)->flags = 0; ncp_update_attrs(inode, nwinfo); DDPRINTK("ncp_read_inode: inode->i_mode = %u ", inode->i_mode); |
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set_nlink(inode, 1); |
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inode->i_uid = server->m.uid; inode->i_gid = server->m.gid; |
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ncp_update_dates(inode, &nwinfo->i); ncp_update_inode(inode, nwinfo); } #if defined(CONFIG_NCPFS_EXTRAS) || defined(CONFIG_NCPFS_NFS_NS) |
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static const struct inode_operations ncp_symlink_inode_operations = { |
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.readlink = generic_readlink, .follow_link = page_follow_link_light, .put_link = page_put_link, .setattr = ncp_notify_change, }; #endif /* * Get a new inode. */ struct inode * ncp_iget(struct super_block *sb, struct ncp_entry_info *info) { struct inode *inode; if (info == NULL) { printk(KERN_ERR "ncp_iget: info is NULL "); return NULL; } inode = new_inode(sb); if (inode) { atomic_set(&NCP_FINFO(inode)->opened, info->opened); |
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inode->i_mapping->backing_dev_info = sb->s_bdi; |
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inode->i_ino = info->ino; ncp_set_attr(inode, info); if (S_ISREG(inode->i_mode)) { inode->i_op = &ncp_file_inode_operations; inode->i_fop = &ncp_file_operations; } else if (S_ISDIR(inode->i_mode)) { inode->i_op = &ncp_dir_inode_operations; inode->i_fop = &ncp_dir_operations; #ifdef CONFIG_NCPFS_NFS_NS } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { init_special_inode(inode, inode->i_mode, new_decode_dev(info->i.nfs.rdev)); #endif #if defined(CONFIG_NCPFS_EXTRAS) || defined(CONFIG_NCPFS_NFS_NS) } else if (S_ISLNK(inode->i_mode)) { inode->i_op = &ncp_symlink_inode_operations; inode->i_data.a_ops = &ncp_symlink_aops; #endif } else { make_bad_inode(inode); } insert_inode_hash(inode); } else printk(KERN_ERR "ncp_iget: iget failed! "); return inode; } static void |
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ncp_evict_inode(struct inode *inode) |
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{ |
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truncate_inode_pages(&inode->i_data, 0); |
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end_writeback(inode); |
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|
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if (S_ISDIR(inode->i_mode)) { |
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DDPRINTK("ncp_evict_inode: put directory %ld ", inode->i_ino); |
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} if (ncp_make_closed(inode) != 0) { /* We can't do anything but complain. */ |
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printk(KERN_ERR "ncp_evict_inode: could not close "); |
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} |
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} static void ncp_stop_tasks(struct ncp_server *server) { struct sock* sk = server->ncp_sock->sk; |
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lock_sock(sk); |
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sk->sk_error_report = server->error_report; sk->sk_data_ready = server->data_ready; sk->sk_write_space = server->write_space; |
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release_sock(sk); |
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del_timer_sync(&server->timeout_tm); |
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flush_work_sync(&server->rcv.tq); if (sk->sk_socket->type == SOCK_STREAM) flush_work_sync(&server->tx.tq); else flush_work_sync(&server->timeout_tq); |
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} |
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static int ncp_show_options(struct seq_file *seq, struct dentry *root) |
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{ |
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struct ncp_server *server = NCP_SBP(root->d_sb); |
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unsigned int tmp; if (server->m.uid != 0) seq_printf(seq, ",uid=%u", server->m.uid); if (server->m.gid != 0) seq_printf(seq, ",gid=%u", server->m.gid); if (server->m.mounted_uid != 0) seq_printf(seq, ",owner=%u", server->m.mounted_uid); tmp = server->m.file_mode & S_IALLUGO; if (tmp != NCP_DEFAULT_FILE_MODE) seq_printf(seq, ",mode=0%o", tmp); tmp = server->m.dir_mode & S_IALLUGO; if (tmp != NCP_DEFAULT_DIR_MODE) seq_printf(seq, ",dirmode=0%o", tmp); if (server->m.time_out != NCP_DEFAULT_TIME_OUT * HZ / 100) { tmp = server->m.time_out * 100 / HZ; seq_printf(seq, ",timeout=%u", tmp); } if (server->m.retry_count != NCP_DEFAULT_RETRY_COUNT) seq_printf(seq, ",retry=%u", server->m.retry_count); if (server->m.flags != 0) seq_printf(seq, ",flags=%lu", server->m.flags); if (server->m.wdog_pid != NULL) seq_printf(seq, ",wdogpid=%u", pid_vnr(server->m.wdog_pid)); return 0; } |
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static const struct ncp_option ncp_opts[] = { { "uid", OPT_INT, 'u' }, { "gid", OPT_INT, 'g' }, { "owner", OPT_INT, 'o' }, { "mode", OPT_INT, 'm' }, { "dirmode", OPT_INT, 'd' }, { "timeout", OPT_INT, 't' }, { "retry", OPT_INT, 'r' }, { "flags", OPT_INT, 'f' }, { "wdogpid", OPT_INT, 'w' }, { "ncpfd", OPT_INT, 'n' }, { "infofd", OPT_INT, 'i' }, /* v5 */ { "version", OPT_INT, 'v' }, { NULL, 0, 0 } }; static int ncp_parse_options(struct ncp_mount_data_kernel *data, char *options) { int optval; char *optarg; unsigned long optint; int version = 0; |
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int ret; |
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data->flags = 0; data->int_flags = 0; data->mounted_uid = 0; |
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data->wdog_pid = NULL; |
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data->ncp_fd = ~0; |
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data->time_out = NCP_DEFAULT_TIME_OUT; data->retry_count = NCP_DEFAULT_RETRY_COUNT; |
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data->uid = 0; data->gid = 0; |
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data->file_mode = NCP_DEFAULT_FILE_MODE; data->dir_mode = NCP_DEFAULT_DIR_MODE; |
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data->info_fd = -1; data->mounted_vol[0] = 0; while ((optval = ncp_getopt("ncpfs", &options, ncp_opts, NULL, &optarg, &optint)) != 0) { |
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ret = optval; if (ret < 0) goto err; |
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switch (optval) { case 'u': data->uid = optint; break; case 'g': data->gid = optint; break; case 'o': data->mounted_uid = optint; break; case 'm': data->file_mode = optint; break; case 'd': data->dir_mode = optint; break; case 't': data->time_out = optint; break; case 'r': data->retry_count = optint; break; case 'f': data->flags = optint; break; case 'w': |
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data->wdog_pid = find_get_pid(optint); |
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break; case 'n': data->ncp_fd = optint; break; case 'i': data->info_fd = optint; break; case 'v': |
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ret = -ECHRNG; if (optint < NCP_MOUNT_VERSION_V4) goto err; if (optint > NCP_MOUNT_VERSION_V5) goto err; |
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version = optint; break; } } return 0; |
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err: put_pid(data->wdog_pid); data->wdog_pid = NULL; return ret; |
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} static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent) { struct ncp_mount_data_kernel data; struct ncp_server *server; struct file *ncp_filp; struct inode *root_inode; struct inode *sock_inode; struct socket *sock; int error; int default_bufsize; #ifdef CONFIG_NCPFS_PACKET_SIGNING int options; #endif struct ncp_entry_info finfo; |
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memset(&data, 0, sizeof(data)); |
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server = kzalloc(sizeof(struct ncp_server), GFP_KERNEL); |
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if (!server) return -ENOMEM; sb->s_fs_info = server; |
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error = -EFAULT; if (raw_data == NULL) goto out; switch (*(int*)raw_data) { case NCP_MOUNT_VERSION: { struct ncp_mount_data* md = (struct ncp_mount_data*)raw_data; data.flags = md->flags; data.int_flags = NCP_IMOUNT_LOGGEDIN_POSSIBLE; data.mounted_uid = md->mounted_uid; |
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data.wdog_pid = find_get_pid(md->wdog_pid); |
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data.ncp_fd = md->ncp_fd; data.time_out = md->time_out; data.retry_count = md->retry_count; data.uid = md->uid; data.gid = md->gid; data.file_mode = md->file_mode; data.dir_mode = md->dir_mode; data.info_fd = -1; memcpy(data.mounted_vol, md->mounted_vol, NCP_VOLNAME_LEN+1); } break; case NCP_MOUNT_VERSION_V4: { struct ncp_mount_data_v4* md = (struct ncp_mount_data_v4*)raw_data; data.flags = md->flags; |
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data.mounted_uid = md->mounted_uid; |
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data.wdog_pid = find_get_pid(md->wdog_pid); |
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data.ncp_fd = md->ncp_fd; data.time_out = md->time_out; data.retry_count = md->retry_count; data.uid = md->uid; data.gid = md->gid; data.file_mode = md->file_mode; data.dir_mode = md->dir_mode; data.info_fd = -1; |
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} break; default: error = -ECHRNG; if (memcmp(raw_data, "vers", 4) == 0) { error = ncp_parse_options(&data, raw_data); } if (error) goto out; break; } error = -EBADF; ncp_filp = fget(data.ncp_fd); if (!ncp_filp) goto out; error = -ENOTSOCK; |
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sock_inode = ncp_filp->f_path.dentry->d_inode; |
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if (!S_ISSOCK(sock_inode->i_mode)) goto out_fput; sock = SOCKET_I(sock_inode); if (!sock) goto out_fput; if (sock->type == SOCK_STREAM) default_bufsize = 0xF000; else default_bufsize = 1024; sb->s_flags |= MS_NODIRATIME; /* probably even noatime */ sb->s_maxbytes = 0xFFFFFFFFU; sb->s_blocksize = 1024; /* Eh... Is this correct? */ sb->s_blocksize_bits = 10; sb->s_magic = NCP_SUPER_MAGIC; sb->s_op = &ncp_sops; |
0378c4051 switch ncpfs |
532 |
sb->s_d_op = &ncp_dentry_operations; |
f1970c73c ncpfs: add bdi ba... |
533 |
sb->s_bdi = &server->bdi; |
1da177e4c Linux-2.6.12-rc2 |
534 535 536 |
server = NCP_SBP(sb); memset(server, 0, sizeof(*server)); |
f1970c73c ncpfs: add bdi ba... |
537 538 |
error = bdi_setup_and_register(&server->bdi, "ncpfs", BDI_CAP_MAP_COPY); if (error) |
759c361eb fs/ncpfs: fix err... |
539 |
goto out_fput; |
f1970c73c ncpfs: add bdi ba... |
540 |
|
1da177e4c Linux-2.6.12-rc2 |
541 542 543 544 545 546 547 548 549 |
server->ncp_filp = ncp_filp; server->ncp_sock = sock; if (data.info_fd != -1) { struct socket *info_sock; error = -EBADF; server->info_filp = fget(data.info_fd); if (!server->info_filp) |
759c361eb fs/ncpfs: fix err... |
550 |
goto out_bdi; |
1da177e4c Linux-2.6.12-rc2 |
551 |
error = -ENOTSOCK; |
92e5baef8 [PATCH] struct pa... |
552 |
sock_inode = server->info_filp->f_path.dentry->d_inode; |
1da177e4c Linux-2.6.12-rc2 |
553 554 555 556 557 558 559 560 561 562 563 564 |
if (!S_ISSOCK(sock_inode->i_mode)) goto out_fput2; info_sock = SOCKET_I(sock_inode); if (!info_sock) goto out_fput2; error = -EBADFD; if (info_sock->type != SOCK_STREAM) goto out_fput2; server->info_sock = info_sock; } /* server->lock = 0; */ |
8e3f90459 [PATCH] sem2mutex... |
565 |
mutex_init(&server->mutex); |
1da177e4c Linux-2.6.12-rc2 |
566 567 568 569 570 |
server->packet = NULL; /* server->buffer_size = 0; */ /* server->conn_status = 0; */ /* server->root_dentry = NULL; */ /* server->root_setuped = 0; */ |
2e54eb96e BKL: Remove BKL f... |
571 |
mutex_init(&server->root_setup_lock); |
1da177e4c Linux-2.6.12-rc2 |
572 573 574 575 |
#ifdef CONFIG_NCPFS_PACKET_SIGNING /* server->sign_wanted = 0; */ /* server->sign_active = 0; */ #endif |
2e54eb96e BKL: Remove BKL f... |
576 |
init_rwsem(&server->auth_rwsem); |
1da177e4c Linux-2.6.12-rc2 |
577 578 579 580 581 582 583 584 |
server->auth.auth_type = NCP_AUTH_NONE; /* server->auth.object_name_len = 0; */ /* server->auth.object_name = NULL; */ /* server->auth.object_type = 0; */ /* server->priv.len = 0; */ /* server->priv.data = NULL; */ server->m = data; |
25985edce Fix common misspe... |
585 |
/* Although anything producing this is buggy, it happens |
1da177e4c Linux-2.6.12-rc2 |
586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 |
now because of PATH_MAX changes.. */ if (server->m.time_out < 1) { server->m.time_out = 10; printk(KERN_INFO "You need to recompile your ncpfs utils.. "); } server->m.time_out = server->m.time_out * HZ / 100; server->m.file_mode = (server->m.file_mode & S_IRWXUGO) | S_IFREG; server->m.dir_mode = (server->m.dir_mode & S_IRWXUGO) | S_IFDIR; #ifdef CONFIG_NCPFS_NLS /* load the default NLS charsets */ server->nls_vol = load_nls_default(); server->nls_io = load_nls_default(); #endif /* CONFIG_NCPFS_NLS */ |
2e54eb96e BKL: Remove BKL f... |
601 |
atomic_set(&server->dentry_ttl, 0); /* no caching */ |
1da177e4c Linux-2.6.12-rc2 |
602 603 |
INIT_LIST_HEAD(&server->tx.requests); |
8e3f90459 [PATCH] sem2mutex... |
604 |
mutex_init(&server->rcv.creq_mutex); |
1da177e4c Linux-2.6.12-rc2 |
605 606 |
server->tx.creq = NULL; server->rcv.creq = NULL; |
1da177e4c Linux-2.6.12-rc2 |
607 608 609 610 611 612 613 614 615 |
init_timer(&server->timeout_tm); #undef NCP_PACKET_SIZE #define NCP_PACKET_SIZE 131072 error = -ENOMEM; server->packet_size = NCP_PACKET_SIZE; server->packet = vmalloc(NCP_PACKET_SIZE); if (server->packet == NULL) goto out_nls; |
c5f93cf19 ncpfs: make sure ... |
616 617 618 619 620 621 |
server->txbuf = vmalloc(NCP_PACKET_SIZE); if (server->txbuf == NULL) goto out_packet; server->rxbuf = vmalloc(NCP_PACKET_SIZE); if (server->rxbuf == NULL) goto out_txbuf; |
1da177e4c Linux-2.6.12-rc2 |
622 |
|
2a4df5d33 ncpfs: Lock socke... |
623 624 625 626 627 |
lock_sock(sock->sk); server->data_ready = sock->sk->sk_data_ready; server->write_space = sock->sk->sk_write_space; server->error_report = sock->sk->sk_error_report; sock->sk->sk_user_data = server; |
1da177e4c Linux-2.6.12-rc2 |
628 629 630 631 632 633 |
sock->sk->sk_data_ready = ncp_tcp_data_ready; sock->sk->sk_error_report = ncp_tcp_error_report; if (sock->type == SOCK_STREAM) { server->rcv.ptr = (unsigned char*)&server->rcv.buf; server->rcv.len = 10; server->rcv.state = 0; |
c4028958b WorkStruct: make ... |
634 635 |
INIT_WORK(&server->rcv.tq, ncp_tcp_rcv_proc); INIT_WORK(&server->tx.tq, ncp_tcp_tx_proc); |
1da177e4c Linux-2.6.12-rc2 |
636 637 |
sock->sk->sk_write_space = ncp_tcp_write_space; } else { |
c4028958b WorkStruct: make ... |
638 639 |
INIT_WORK(&server->rcv.tq, ncpdgram_rcv_proc); INIT_WORK(&server->timeout_tq, ncpdgram_timeout_proc); |
1da177e4c Linux-2.6.12-rc2 |
640 641 642 |
server->timeout_tm.data = (unsigned long)server; server->timeout_tm.function = ncpdgram_timeout_call; } |
2a4df5d33 ncpfs: Lock socke... |
643 |
release_sock(sock->sk); |
1da177e4c Linux-2.6.12-rc2 |
644 645 646 647 648 |
ncp_lock_server(server); error = ncp_connect(server); ncp_unlock_server(server); if (error < 0) |
c5f93cf19 ncpfs: make sure ... |
649 |
goto out_rxbuf; |
1da177e4c Linux-2.6.12-rc2 |
650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 |
DPRINTK("ncp_fill_super: NCP_SBP(sb) = %x ", (int) NCP_SBP(sb)); error = -EMSGSIZE; /* -EREMOTESIDEINCOMPATIBLE */ #ifdef CONFIG_NCPFS_PACKET_SIGNING if (ncp_negotiate_size_and_options(server, default_bufsize, NCP_DEFAULT_OPTIONS, &(server->buffer_size), &options) == 0) { if (options != NCP_DEFAULT_OPTIONS) { if (ncp_negotiate_size_and_options(server, default_bufsize, options & 2, &(server->buffer_size), &options) != 0) { goto out_disconnect; } } |
2e54eb96e BKL: Remove BKL f... |
669 |
ncp_lock_server(server); |
1da177e4c Linux-2.6.12-rc2 |
670 671 |
if (options & 2) server->sign_wanted = 1; |
2e54eb96e BKL: Remove BKL f... |
672 |
ncp_unlock_server(server); |
1da177e4c Linux-2.6.12-rc2 |
673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 |
} else #endif /* CONFIG_NCPFS_PACKET_SIGNING */ if (ncp_negotiate_buffersize(server, default_bufsize, &(server->buffer_size)) != 0) goto out_disconnect; DPRINTK("ncpfs: bufsize = %d ", server->buffer_size); memset(&finfo, 0, sizeof(finfo)); finfo.i.attributes = aDIR; finfo.i.dataStreamSize = 0; /* ignored */ finfo.i.dirEntNum = 0; finfo.i.DosDirNum = 0; #ifdef CONFIG_NCPFS_SMALLDOS finfo.i.NSCreator = NW_NS_DOS; #endif finfo.volume = NCP_NUMBER_OF_VOLUMES; /* set dates of mountpoint to Jan 1, 1986; 00:00 */ finfo.i.creationTime = finfo.i.modifyTime = cpu_to_le16(0x0000); finfo.i.creationDate = finfo.i.modifyDate = finfo.i.lastAccessDate = cpu_to_le16(0x0C21); finfo.i.nameLen = 0; finfo.i.entryName[0] = '\0'; finfo.opened = 0; finfo.ino = 2; /* tradition */ server->name_space[finfo.volume] = NW_NS_DOS; error = -ENOMEM; root_inode = ncp_iget(sb, &finfo); if (!root_inode) goto out_disconnect; DPRINTK("ncp_fill_super: root vol=%d ", NCP_FINFO(root_inode)->volNumber); sb->s_root = d_alloc_root(root_inode); if (!sb->s_root) goto out_no_root; |
1da177e4c Linux-2.6.12-rc2 |
714 715 716 717 718 719 720 721 |
return 0; out_no_root: iput(root_inode); out_disconnect: ncp_lock_server(server); ncp_disconnect(server); ncp_unlock_server(server); |
c5f93cf19 ncpfs: make sure ... |
722 |
out_rxbuf: |
1da177e4c Linux-2.6.12-rc2 |
723 |
ncp_stop_tasks(server); |
c5f93cf19 ncpfs: make sure ... |
724 725 726 727 |
vfree(server->rxbuf); out_txbuf: vfree(server->txbuf); out_packet: |
1da177e4c Linux-2.6.12-rc2 |
728 729 730 731 732 733 |
vfree(server->packet); out_nls: #ifdef CONFIG_NCPFS_NLS unload_nls(server->nls_io); unload_nls(server->nls_vol); #endif |
2e54eb96e BKL: Remove BKL f... |
734 735 736 |
mutex_destroy(&server->rcv.creq_mutex); mutex_destroy(&server->root_setup_lock); mutex_destroy(&server->mutex); |
1da177e4c Linux-2.6.12-rc2 |
737 738 739 |
out_fput2: if (server->info_filp) fput(server->info_filp); |
f1970c73c ncpfs: add bdi ba... |
740 |
out_bdi: |
759c361eb fs/ncpfs: fix err... |
741 742 |
bdi_destroy(&server->bdi); out_fput: |
1da177e4c Linux-2.6.12-rc2 |
743 744 |
/* 23/12/1998 Marcin Dalecki <dalecki@cs.net.pl>: * |
e956b4b7e Fix comment spell... |
745 746 |
* The previously used put_filp(ncp_filp); was bogus, since * it doesn't perform proper unlocking. |
1da177e4c Linux-2.6.12-rc2 |
747 748 749 |
*/ fput(ncp_filp); out: |
1de241268 [PATCH] ncpfs: en... |
750 |
put_pid(data.wdog_pid); |
1da177e4c Linux-2.6.12-rc2 |
751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 |
sb->s_fs_info = NULL; kfree(server); return error; } static void ncp_put_super(struct super_block *sb) { struct ncp_server *server = NCP_SBP(sb); ncp_lock_server(server); ncp_disconnect(server); ncp_unlock_server(server); ncp_stop_tasks(server); #ifdef CONFIG_NCPFS_NLS /* unload the NLS charsets */ |
6d729e44a fs: Make unload_n... |
768 769 |
unload_nls(server->nls_vol); unload_nls(server->nls_io); |
1da177e4c Linux-2.6.12-rc2 |
770 |
#endif /* CONFIG_NCPFS_NLS */ |
2e54eb96e BKL: Remove BKL f... |
771 772 773 |
mutex_destroy(&server->rcv.creq_mutex); mutex_destroy(&server->root_setup_lock); mutex_destroy(&server->mutex); |
1da177e4c Linux-2.6.12-rc2 |
774 775 776 777 |
if (server->info_filp) fput(server->info_filp); fput(server->ncp_filp); |
2154227a2 [PATCH] ncpfs: Us... |
778 779 |
kill_pid(server->m.wdog_pid, SIGTERM, 1); put_pid(server->m.wdog_pid); |
1da177e4c Linux-2.6.12-rc2 |
780 |
|
f1970c73c ncpfs: add bdi ba... |
781 |
bdi_destroy(&server->bdi); |
44db77f33 [PATCH] ncpfs: re... |
782 783 |
kfree(server->priv.data); kfree(server->auth.object_name); |
c5f93cf19 ncpfs: make sure ... |
784 785 |
vfree(server->rxbuf); vfree(server->txbuf); |
1da177e4c Linux-2.6.12-rc2 |
786 787 788 789 |
vfree(server->packet); sb->s_fs_info = NULL; kfree(server); } |
726c33422 [PATCH] VFS: Perm... |
790 |
static int ncp_statfs(struct dentry *dentry, struct kstatfs *buf) |
1da177e4c Linux-2.6.12-rc2 |
791 792 793 794 795 796 |
{ struct dentry* d; struct inode* i; struct ncp_inode_info* ni; struct ncp_server* s; struct ncp_volume_info vi; |
726c33422 [PATCH] VFS: Perm... |
797 |
struct super_block *sb = dentry->d_sb; |
1da177e4c Linux-2.6.12-rc2 |
798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 |
int err; __u8 dh; d = sb->s_root; if (!d) { goto dflt; } i = d->d_inode; if (!i) { goto dflt; } ni = NCP_FINFO(i); if (!ni) { goto dflt; } s = NCP_SBP(sb); if (!s) { goto dflt; } if (!s->m.mounted_vol[0]) { goto dflt; } err = ncp_dirhandle_alloc(s, ni->volNumber, ni->DosDirNum, &dh); if (err) { goto dflt; } err = ncp_get_directory_info(s, dh, &vi); ncp_dirhandle_free(s, dh); if (err) { goto dflt; } buf->f_type = NCP_SUPER_MAGIC; buf->f_bsize = vi.sectors_per_block * 512; buf->f_blocks = vi.total_blocks; buf->f_bfree = vi.free_blocks; buf->f_bavail = vi.free_blocks; buf->f_files = vi.total_dir_entries; buf->f_ffree = vi.available_dir_entries; buf->f_namelen = 12; return 0; /* We cannot say how much disk space is left on a mounted NetWare Server, because free space is distributed over volumes, and the current user might have disk quotas. So free space is not that simple to determine. Our decision here is to err conservatively. */ dflt:; buf->f_type = NCP_SUPER_MAGIC; buf->f_bsize = NCP_BLOCK_SIZE; buf->f_blocks = 0; buf->f_bfree = 0; buf->f_bavail = 0; buf->f_namelen = 12; return 0; } int ncp_notify_change(struct dentry *dentry, struct iattr *attr) { struct inode *inode = dentry->d_inode; int result = 0; __le32 info_mask; struct nw_modify_dos_info info; struct ncp_server *server; result = -EIO; |
1da177e4c Linux-2.6.12-rc2 |
865 |
server = NCP_SERVER(inode); |
2e54eb96e BKL: Remove BKL f... |
866 |
if (!server) /* How this could happen? */ |
1da177e4c Linux-2.6.12-rc2 |
867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 |
goto out; /* ageing the dentry to force validation */ ncp_age_dentry(server, dentry); result = inode_change_ok(inode, attr); if (result < 0) goto out; result = -EPERM; if (((attr->ia_valid & ATTR_UID) && (attr->ia_uid != server->m.uid))) goto out; if (((attr->ia_valid & ATTR_GID) && (attr->ia_gid != server->m.gid))) goto out; if (((attr->ia_valid & ATTR_MODE) && (attr->ia_mode & ~(S_IFREG | S_IFDIR | S_IRWXUGO)))) goto out; info_mask = 0; memset(&info, 0, sizeof(info)); #if 1 if ((attr->ia_valid & ATTR_MODE) != 0) { umode_t newmode = attr->ia_mode; info_mask |= DM_ATTRIBUTES; if (S_ISDIR(inode->i_mode)) { newmode &= server->m.dir_mode; } else { #ifdef CONFIG_NCPFS_EXTRAS if (server->m.flags & NCP_MOUNT_EXTRAS) { /* any non-default execute bit set */ if (newmode & ~server->m.file_mode & S_IXUGO) info.attributes |= aSHARED | aSYSTEM; /* read for group/world and not in default file_mode */ else if (newmode & ~server->m.file_mode & S_IRUGO) info.attributes |= aSHARED; } else #endif newmode &= server->m.file_mode; } if (newmode & S_IWUGO) info.attributes &= ~(aRONLY|aRENAMEINHIBIT|aDELETEINHIBIT); else info.attributes |= (aRONLY|aRENAMEINHIBIT|aDELETEINHIBIT); #ifdef CONFIG_NCPFS_NFS_NS if (ncp_is_nfs_extras(server, NCP_FINFO(inode)->volNumber)) { result = ncp_modify_nfs_info(server, NCP_FINFO(inode)->volNumber, NCP_FINFO(inode)->dirEntNum, attr->ia_mode, 0); if (result != 0) goto out; info.attributes &= ~(aSHARED | aSYSTEM); { /* mark partial success */ struct iattr tmpattr; tmpattr.ia_valid = ATTR_MODE; tmpattr.ia_mode = attr->ia_mode; |
1025774ce remove inode_setattr |
935 936 |
setattr_copy(inode, &tmpattr); mark_inode_dirty(inode); |
1da177e4c Linux-2.6.12-rc2 |
937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 |
} } #endif } #endif /* Do SIZE before attributes, otherwise mtime together with size does not work... */ if ((attr->ia_valid & ATTR_SIZE) != 0) { int written; DPRINTK("ncpfs: trying to change size to %ld ", attr->ia_size); if ((result = ncp_make_open(inode, O_WRONLY)) < 0) { result = -EACCES; goto out; } ncp_write_kernel(NCP_SERVER(inode), NCP_FINFO(inode)->file_handle, attr->ia_size, 0, "", &written); /* According to ndir, the changes only take effect after closing the file */ ncp_inode_close(inode); result = ncp_make_closed(inode); if (result) goto out; |
1025774ce remove inode_setattr |
965 966 967 |
if (attr->ia_size != i_size_read(inode)) { result = vmtruncate(inode, attr->ia_size); |
1da177e4c Linux-2.6.12-rc2 |
968 969 |
if (result) goto out; |
1025774ce remove inode_setattr |
970 |
mark_inode_dirty(inode); |
1da177e4c Linux-2.6.12-rc2 |
971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 |
} } if ((attr->ia_valid & ATTR_CTIME) != 0) { info_mask |= (DM_CREATE_TIME | DM_CREATE_DATE); ncp_date_unix2dos(attr->ia_ctime.tv_sec, &info.creationTime, &info.creationDate); } if ((attr->ia_valid & ATTR_MTIME) != 0) { info_mask |= (DM_MODIFY_TIME | DM_MODIFY_DATE); ncp_date_unix2dos(attr->ia_mtime.tv_sec, &info.modifyTime, &info.modifyDate); } if ((attr->ia_valid & ATTR_ATIME) != 0) { __le16 dummy; info_mask |= (DM_LAST_ACCESS_DATE); ncp_date_unix2dos(attr->ia_atime.tv_sec, &dummy, &info.lastAccessDate); } if (info_mask != 0) { result = ncp_modify_file_or_subdir_dos_info(NCP_SERVER(inode), inode, info_mask, &info); if (result != 0) { |
1da177e4c Linux-2.6.12-rc2 |
993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 |
if (info_mask == (DM_CREATE_TIME | DM_CREATE_DATE)) { /* NetWare seems not to allow this. I do not know why. So, just tell the user everything went fine. This is a terrible hack, but I do not know how to do this correctly. */ result = 0; } else goto out; } #ifdef CONFIG_NCPFS_STRONG if ((!result) && (info_mask & DM_ATTRIBUTES)) NCP_FINFO(inode)->nwattr = info.attributes; #endif } |
1025774ce remove inode_setattr |
1008 1009 1010 1011 1012 |
if (result) goto out; setattr_copy(inode, attr); mark_inode_dirty(inode); |
1da177e4c Linux-2.6.12-rc2 |
1013 |
out: |
2e54eb96e BKL: Remove BKL f... |
1014 1015 |
if (result > 0) result = -EACCES; |
1da177e4c Linux-2.6.12-rc2 |
1016 1017 |
return result; } |
3c26ff6e4 convert get_sb_no... |
1018 1019 |
static struct dentry *ncp_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *data) |
1da177e4c Linux-2.6.12-rc2 |
1020 |
{ |
3c26ff6e4 convert get_sb_no... |
1021 |
return mount_nodev(fs_type, flags, data, ncp_fill_super); |
1da177e4c Linux-2.6.12-rc2 |
1022 1023 1024 1025 1026 |
} static struct file_system_type ncp_fs_type = { .owner = THIS_MODULE, .name = "ncpfs", |
3c26ff6e4 convert get_sb_no... |
1027 |
.mount = ncp_mount, |
1da177e4c Linux-2.6.12-rc2 |
1028 |
.kill_sb = kill_anon_super, |
564cd138c mount options: fi... |
1029 |
.fs_flags = FS_BINARY_MOUNTDATA, |
1da177e4c Linux-2.6.12-rc2 |
1030 1031 1032 1033 1034 |
}; static int __init init_ncp_fs(void) { int err; |
7c28cbaed NCPFS: update dia... |
1035 1036 |
DPRINTK("ncpfs: init_ncp_fs called "); |
1da177e4c Linux-2.6.12-rc2 |
1037 |
|
1da177e4c Linux-2.6.12-rc2 |
1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 |
err = init_inodecache(); if (err) goto out1; err = register_filesystem(&ncp_fs_type); if (err) goto out; return 0; out: destroy_inodecache(); out1: return err; } static void __exit exit_ncp_fs(void) { |
7c28cbaed NCPFS: update dia... |
1053 1054 |
DPRINTK("ncpfs: exit_ncp_fs called "); |
1da177e4c Linux-2.6.12-rc2 |
1055 1056 |
unregister_filesystem(&ncp_fs_type); destroy_inodecache(); |
1da177e4c Linux-2.6.12-rc2 |
1057 1058 1059 1060 1061 |
} module_init(init_ncp_fs) module_exit(exit_ncp_fs) MODULE_LICENSE("GPL"); |