Hello hackers,
all knows that vn_fullpath() is unreliable. However I really need to get
a filename for a given vnode. To simplify the task, I do not care of
synthetic file systems or hardlinks.
I have looked through archives in hope to find a better solution. It
seems that linux_getcwd() approach could help. However to make that code
work for me, I need to know a directory vnode where the file resides.
vnode->v_dd field looks promising. But as I understand it did not help
if file name is not in a name cache.
So the question: is it ever possible to get directory vnode for a given
file vnode?
Thank you in advance,
Sergey.
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