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    SubjectRe: autofs4 hang in 2.6.37-rc1
    Date
    On Thursday 18 November 2010, Ian Kent wrote:
    > But the important thing to notice is that the new ioctl interface (in
    > fs/autofs4/dev-ioctl.c) used the unlocked_ioctl method since it was
    > merged in 2.6.28 and that calls back into the core ioctl code for its
    > major functionality. So the core function of the ioctl interface has
    > been used without the BKL for quite a while now and has been heavily
    > exercised in subsequent testing since the new ioctl interface has been
    > in place.
    >
    > I can't see any reason for keeping the autofs4_ioctl_mutex.

    Ok. Are you submitting a patch to remove it? Your reasoning absolutely
    makes sense and we need to fix this regression.

    Arnd


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