C++ (Cpp) vxfs_inode_by_name Examples

Example #1

File: vxfs_lookup.c Project: AK101111/linux

/**
 * vxfs_lookup - lookup pathname component
 * @dip:	dir in which we lookup
 * @dp:		dentry we lookup
 * @flags:	lookup flags
 *
 * Description:
 *   vxfs_lookup tries to lookup the pathname component described
 *   by @dp in @dip.
 *
 * Returns:
 *   A NULL-pointer on success, else a negative error code encoded
 *   in the return pointer.
 */
static struct dentry *
vxfs_lookup(struct inode *dip, struct dentry *dp, unsigned int flags)
{
	struct inode		*ip = NULL;
	ino_t			ino;
			 
	if (dp->d_name.len > VXFS_NAMELEN)
		return ERR_PTR(-ENAMETOOLONG);
				 
	ino = vxfs_inode_by_name(dip, dp);
	if (ino) {
		ip = vxfs_iget(dip->i_sb, ino);
		if (IS_ERR(ip))
			return ERR_CAST(ip);
	}
	d_add(dp, ip);
	return NULL;
}

Example #2

File: vxfs_lookup.c Project: iwangv/edimax-br-6528n

/**
 * vxfs_lookup - lookup pathname component
 * @dip:	dir in which we lookup
 * @dp:		dentry we lookup
 *
 * Description:
 *   vxfs_lookup tries to lookup the pathname component described
 *   by @dp in @dip.
 *
 * Returns:
 *   A NULL-pointer on success, else an negative error code encoded
 *   in the return pointer.
 */
static struct dentry *
vxfs_lookup(struct inode *dip, struct dentry *dp)
{
	struct inode		*ip = NULL;
	ino_t			ino;
			 
	if (dp->d_name.len > VXFS_NAMELEN)
		return ERR_PTR(-ENAMETOOLONG);
				 
	ino = vxfs_inode_by_name(dip, dp);
	if (ino == 0)
		return NULL;

	ip = iget(dip->i_sb, ino);
	if (!ip)
		return ERR_PTR(-EACCES);
	d_add(dp, ip);
	return NULL;
}

Example #3

File: vxfs_lookup.c Project: johnny/CobraDroidBeta

/**
 * vxfs_lookup - lookup pathname component
 * @dip:	dir in which we lookup
 * @dp:		dentry we lookup
 * @nd:		lookup nameidata
 *
 * Description:
 *   vxfs_lookup tries to lookup the pathname component described
 *   by @dp in @dip.
 *
 * Returns:
 *   A NULL-pointer on success, else an negative error code encoded
 *   in the return pointer.
 */
static struct dentry *
vxfs_lookup(struct inode *dip, struct dentry *dp, struct nameidata *nd)
{
	struct inode		*ip = NULL;
	ino_t			ino;
			 
	if (dp->d_name.len > VXFS_NAMELEN)
		return ERR_PTR(-ENAMETOOLONG);
				 
	lock_kernel();
	ino = vxfs_inode_by_name(dip, dp);
	if (ino) {
		ip = vxfs_iget(dip->i_sb, ino);
		if (IS_ERR(ip)) {
			unlock_kernel();
			return ERR_CAST(ip);
		}
	}
	unlock_kernel();
	d_add(dp, ip);
	return NULL;
}