Re: [PATCH v2] fuse: permit freezing while waiting for request answer

Peter Zijlstra <[email protected]>
Newsgroups org.kernel.vger.linux-fsdevel,dev.linux.lists.fuse-devel,org.kernel.vger.linux-kernel
Message-ID <[email protected]> 
On Wed, Aug 19, 2026 at 12:03:32PM +0200, Miklos Szeredi wrote:
> Why is this unsafe exactly?  Does that unsafeness apply to
> filesystems?  If so why do we allow freezing while blocked on
> sb_start_write()?

Getting frozen with lock A held, while another task is blocked on A in
an unfreezable state results in the system not being freezable.

IOW you deadlock the freeze.
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