On Dec 07 2018, Miklos Szeredi <miklos@xxxxxxxxxx> wrote: > On Fri, Dec 7, 2018 at 1:55 PM Nikolaus Rath <Nikolaus@xxxxxxxx> wrote: > >> I am not 100% sure because of the atime invalidation issue. Apart from >> that, it definitely was not timed out. > > The atime invalidation is different because that never results in > LOOKUP requests being generated. > >> Are you saying that I should not be seeing lookup() requests after >> (non-plus) readdir() if the dentry is already cached? > > If the dentry is already cached, and the timeout has not expired, then > you shouldn't see LOOKUP requests for that dentry. > > Hmm, I see some strange entry invalidation calls in NFS export. Do > you know if there's NFS export or open_by_handle(2) calls? Definitely no NFS export. I can't say for sure about open_by_handle, I do not have the source code of the client application. Best, -Nikolaus -- GPG Fingerprint: ED31 791B 2C5C 1613 AF38 8B8A D113 FCAC 3C4E 599F »Time flies like an arrow, fruit flies like a Banana.«