Comment 65 for bug 506798

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In , Kamil (kamil-redhat-bugs) wrote :

(In reply to comment #42)
> What event triggers the mount?

From my observation with gdb:
1. calling fstatat() with AT_SYMLINK_NOFOLLOW does NOT trigger the mount.
2. calling fstatat() without AT_SYMLINK_NOFOLLOW triggers the mount, opening a directory as well.

If you are asking which events are guaranteed to trigger the mount and/or which events are guaranteed to NOT trigger the mount, kernel guys might give you a reliable answer.

Jeff, any idea?