static int autofs4_dir_mkdir(struct inode *dir, struct dentry *dentry, int mode) { struct autofs_sb_info *sbi = autofs4_sbi(dir->i_sb); struct autofs_info *ino = autofs4_dentry_ino(dentry); struct inode *inode; if ( !autofs4_oz_mode(sbi) ) return -EACCES; DPRINTK("dentry %p, creating %.*s", dentry, dentry->d_name.len, dentry->d_name.name); ino = autofs4_init_ino(ino, sbi, S_IFDIR | 0555); if (ino == NULL) return -ENOSPC; inode = autofs4_get_inode(dir->i_sb, ino); d_instantiate(dentry, inode); if (dir == dir->i_sb->s_root->d_inode) dentry->d_op = &autofs4_root_dentry_operations; else dentry->d_op = &autofs4_dentry_operations; dentry->d_fsdata = ino; ino->dentry = dget(dentry); ino->inode = inode; dir->i_nlink++; dir->i_mtime = CURRENT_TIME; return 0; }
static struct autofs_info *autofs4_mkroot(struct autofs_sb_info *sbi) { struct autofs_info *ino; ino = autofs4_init_ino(NULL, sbi, S_IFDIR | 0755); if (!ino) return NULL; return ino; }
static int autofs4_dir_symlink(struct inode *dir, struct dentry *dentry, const char *symname) { struct autofs_sb_info *sbi = autofs4_sbi(dir->i_sb); struct autofs_info *ino = autofs4_dentry_ino(dentry); struct inode *inode; char *cp; DPRINTK(("autofs_dir_symlink: %s <- %.*s\n", symname, dentry->d_name.len, dentry->d_name.name)); lock_kernel(); if (!autofs4_oz_mode(sbi)) { unlock_kernel(); return -EACCES; } ino = autofs4_init_ino(ino, sbi, S_IFLNK | 0555); if (ino == NULL) { unlock_kernel(); return -ENOSPC; } ino->size = strlen(symname); ino->u.symlink = cp = kmalloc(ino->size + 1, GFP_KERNEL); if (cp == NULL) { kfree(ino); unlock_kernel(); return -ENOSPC; } strcpy(cp, symname); inode = autofs4_get_inode(dir->i_sb, ino); d_instantiate(dentry, inode); if (dir == dir->i_sb->s_root->d_inode) dentry->d_op = &autofs4_root_dentry_operations; else dentry->d_op = &autofs4_dentry_operations; dentry->d_fsdata = ino; ino->dentry = dget(dentry); ino->inode = inode; dir->i_mtime = CURRENT_TIME; unlock_kernel(); return 0; }