Michael Johnson - MJ: > All branches of you aufs mount are btrfs and I do see the 'Warning: > Un-notified UDBA or repeatedly renamed dir' messages in my logs if I have > things using inotify. I use udba=3Dreval. In fact, here is the full set o=
That is strange. The message is unrelated to udba option. Anyway I could find the root cause of the message. Btrfs has a strange link count of a dir. Even if the dir exists and has a child dir, its link count is zero. But not always. I don't know the condition when btrfs sets zero and when maintains correctly. I created a patch to exclude testing i_nlink for btrfs and succeeded stop the message. But I am not sure whether the patch can solve the ESTALE problem you two see, because aufs checks i_nlink in several places and I don't know where is the trigger of the problem. J. R. Okajima
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