linux - Getting parent directory from struct file -

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how parent directory struct file* in linux kernel driver?

i want information parent, , parents parent directory.

the dentry, have been looking moved beeing direct child of struct file struct path.

struct inode* parentdirinode(struct file* file) {   return file->f_path.dentry->d_parent->d_inode; }

still hope there better solution not break when change implementation structure. are there macros/functions overlooked?


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