NAME
lookup_create - lookup a dentry, creating it if it doesn't exist
SYNOPSIS
struct dentry * lookup_create(struct nameidata * nd, int is_dir);
ARGUMENTS
nd
nameidata info
is_dir
directory flag
DESCRIPTION
Simple function to lookup and return a dentry and create it if it doesn't exist. Is SMP-safe.
Returns with nd->path.dentry->d_inode->i_mutex locked.