Marko Rauhamaa <marko.rauhamaa@xxxxxxxxxxxx>:
> I have dug a bit deeper. What hangs is this statement:
>
> mnt = path->dentry->d_op->d_automount(path);
>
> in:
>
> follow_automount() // fs/namei.c
> called from: follow_managed()
called from: lookup_fast()
> called from: walk_component()
> called from: lookup_last()
> called from: path_lookupat()
> called from: filename_lookup()
> called from: user_path_at_empty()
> called from: user_path_at(filename="/sshome/test/user/", lookup_flags=0x1)
> called from: fanotify_find_path() // fs/notify/fanotify_user.c
> called from: fanotify_mark()
>
> And Ctrl-C wakes it up.
>
> The d_automount() method is bound to autofs4_d_automount() in
> fs/autofs4/root.c. The hanging statement is:
>
> wait_event_interruptible(wq->queue, wq->name.name == NULL);
>
> in:
>
> autofs4_wait() // fs/autofs4/waitq.c
> called from: autofs4_mount_wait() // fs/autofs4/root.c
> called from: autofs4_d_automount()
Added a missing call to the call trace.
Marko
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