Messages in this thread |  | | Date | Wed, 6 Feb 2013 10:56:11 +0100 | Subject | Re: [fuse-devel] [PATCH] fuse: make fuse daemon frozen along with kernel threads | From | Han-Wen Nienhuys <> |
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On Wed, Feb 6, 2013 at 2:11 AM, Li Fei <fei.li@intel.com> wrote: > > There is well known issue that freezing will fail in case that fuse > daemon is frozen firstly with some requests not handled, as the fuse > usage task is waiting for the response from fuse daemon and can't be > frozen. > > To solve the issue above, make fuse daemon frozen after all all user > space processes frozen and during the kernel threads frozen phase. > PF_FREEZE_DAEMON flag is added to indicate that the current thread is > the fuse daemon, set on connection, and clear on disconnection. > It works as all fuse requests are handled during user space processes > frozen, there will no further fuse request, and it's safe to continue > to freeze fuse daemon together with kernel freezable tasks.
Will this work correctly if one FUSE daemon is opening files in from another FUSE filesystem?
-- Han-Wen Nienhuys - hanwen@xs4all.nl - http://www.xs4all.nl/~hanwen
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