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SubjectRe: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM pathway
Miklos Szeredi writes:

> That's weird, I never had a suspend problem due to a fuse mount,
> though I have them all the time. And I suspect, that even the sync()

Well, I don't either, because we don't freeze processes on
powerbooks. But I have heard that other people have problems with
suspending with a fuse filesystem mounted. Maybe the difference is
whether or not the filesystem is writable?

> thing that suspend does is not the real cause, because sync() actually
> does nothing in fuse filesystems.

It's not the filesystem sync method, as I understand it, it's that if
there are dirty pages in the page cache for files on the fuse
filesystem, the system will initiate a write-out on them and wait for
it to finish. But if the fuse userspace is frozen, the write-out will
never complete.

Paul.
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