[BUG] commit "namei: d_is_negative() should be checked before ->d_seq validation" breaks ceph-fuse

From: Yan, Zheng
Date: Wed Sep 30 2015 - 08:53:37 EST

Hi, Al

I found that commit 766c4cbfac "namei: d_is_negative() should be checked before ->d_seq validationâ breaks ceph-fuse. After that commit, lookup_fast can return -ENOENT before calling d_revalidate(). This breaks remote filesystems which allows creating/deleting files from multiple machines.

Yan, Zheng--
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