Messages in this thread | | | Date | Wed, 6 Sep 2023 18:10:24 +0100 | From | Al Viro <> | Subject | Re: [PATCH] fix writing to the filesystem after unmount |
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On Wed, Sep 06, 2023 at 06:01:06PM +0200, Mikulas Patocka wrote:
> Perhaps we could distinguish between FIFREEZE-initiated freezes and > device-mapper initiated freezes as well. And we could change the logic to > return -EBUSY if the freeze was initiated by FIFREEZE and to wait for > unfreeze if it was initiated by the device-mapper.
By the time you get to cleanup_mnt() it's far too late to return -EBUSY.
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