/* * symlink.c * * Copyright (C) 2002 by John Newbigin * * Please add a note about your changes to smbfs in the ChangeLog file. */ #include <linux/sched.h> #include <linux/kernel.h> #include <linux/errno.h> #include <linux/fcntl.h> #include <linux/stat.h> #include <linux/mm.h> #include <linux/slab.h> #include <linux/pagemap.h> #include <linux/smp_lock.h> #include <linux/net.h> #include <linux/namei.h> #include <asm/uaccess.h> #include <asm/system.h> #include <linux/smbno.h> #include <linux/smb_fs.h> #include "smb_debug.h" #include "proto.h" int smb_symlink(struct inode *inode, struct dentry *dentry, const char *oldname) { DEBUG1("create symlink %s -> %s/%s\n", oldname, DENTRY_PATH(dentry)); return smb_proc_symlink(server_from_dentry(dentry), dentry, oldname); } static void *smb_follow_link(struct dentry *dentry, struct nameidata *nd) { char *link = __getname(); DEBUG1("followlink of %s/%s\n", DENTRY_PATH(dentry)); if (!link) { link = ERR_PTR(-ENOMEM); } else { int len = smb_proc_read_link(server_from_dentry(dentry), dentry, link, PATH_MAX - 1); if (len < 0) { putname(link); link = ERR_PTR(len); } else { link[len] = 0; } } nd_set_link(nd, link); return NULL; } static void smb_put_link(struct dentry *dentry, struct nameidata *nd, void *p) { char *s = nd_get_link(nd); if (!IS_ERR(s)) putname(s); } struct inode_operations smb_link_inode_operations = { .readlink = generic_readlink, .follow_link = smb_follow_link, .put_link = smb_put_link, };