C++ (Cpp) bpf_get_inode示例

示例#1

文件： inode.c 项目： SantoshShilimkar/linux

static int bpf_mkobj_ops(struct inode *dir, struct dentry *dentry,
			 umode_t mode, const struct inode_operations *iops)
{
	struct inode *inode;

	inode = bpf_get_inode(dir->i_sb, dir, mode | S_IFREG);
	if (IS_ERR(inode))
		return PTR_ERR(inode);

	inode->i_op = iops;
	inode->i_private = dentry->d_fsdata;

	bpf_dentry_finalize(dentry, inode, dir);
	return 0;
}

示例#2

文件： inode.c 项目： krzk/linux

static int bpf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
{
	struct inode *inode;

	inode = bpf_get_inode(dir->i_sb, dir, mode | S_IFDIR);
	if (IS_ERR(inode))
		return PTR_ERR(inode);

	inode->i_op = &bpf_dir_iops;
	inode->i_fop = &simple_dir_operations;

	inc_nlink(inode);
	inc_nlink(dir);

	bpf_dentry_finalize(dentry, inode, dir);
	return 0;
}

示例#3

文件： inode.c 项目： Chong-Li/cse522

static int bpf_mkobj_ops(struct inode *dir, struct dentry *dentry,
			 umode_t mode, const struct inode_operations *iops)
{
	struct inode *inode;

	if (bpf_dname_reserved(dentry))
		return -EPERM;

	inode = bpf_get_inode(dir->i_sb, dir, mode | S_IFREG);
	if (IS_ERR(inode))
		return PTR_ERR(inode);

	inode->i_op = iops;
	inode->i_private = dentry->d_fsdata;

	d_instantiate(dentry, inode);
	dget(dentry);

	return 0;
}

示例#4

文件： inode.c 项目： SantoshShilimkar/linux

static int bpf_symlink(struct inode *dir, struct dentry *dentry,
		       const char *target)
{
	char *link = kstrdup(target, GFP_USER | __GFP_NOWARN);
	struct inode *inode;

	if (!link)
		return -ENOMEM;

	inode = bpf_get_inode(dir->i_sb, dir, S_IRWXUGO | S_IFLNK);
	if (IS_ERR(inode)) {
		kfree(link);
		return PTR_ERR(inode);
	}

	inode->i_op = &simple_symlink_inode_operations;
	inode->i_link = link;

	bpf_dentry_finalize(dentry, inode, dir);
	return 0;
}

示例#5

文件： inode.c 项目： Chong-Li/cse522

static int bpf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
{
	struct inode *inode;

	if (bpf_dname_reserved(dentry))
		return -EPERM;

	inode = bpf_get_inode(dir->i_sb, dir, mode | S_IFDIR);
	if (IS_ERR(inode))
		return PTR_ERR(inode);

	inode->i_op = &bpf_dir_iops;
	inode->i_fop = &simple_dir_operations;

	inc_nlink(inode);
	inc_nlink(dir);

	d_instantiate(dentry, inode);
	dget(dentry);

	return 0;
}