Linux File systems programming tricks and tips

Possible paths from struct file*:
1- Get the struct dentry* object from struct file* ;
file->f_path.dentry

2- Get the struct inode* from struct file *:
file->f_inode




Possible paths from struct dentry:
1- Get the file name of the current struct dentry * object:
dentry->d_name.name

2- Get the length of file from the current struct dentry * object:
dentry->d_name.len

3- Get the struct inode* from struct dentry *:
dentry->d_inode


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