Re: vfs-scale, general questions

[J. R. Okajima]

Miklos Szeredi:
> No it doesn't.  dentry_unhash() doesn't drop the dentry from the hash
> unless it has no other references, cwd being one such ref.

I see.
When chdir() completets before vfs_rename_dir(), the dir will not be
unhashed. It is OK.

Even if the dir is unhashed temporary before chdir(), then the lookup
fallback to ref-walk and i_mutex protects. It is OK too.

Thank you.
J. R. Okajima
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