Messages in this thread | | | From | "Takashi Sato" <> | Subject | Re: [RFC] ext3 freeze feature | Date | Mon, 28 Jan 2008 22:13:05 +0900 |
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Hi,
> What you *could* do is to start putting processes to sleep if they > attempt to write to the frozen filesystem, and then detect the > deadlock case where the process holding the file descriptor used to > freeze the filesystem gets frozen because it attempted to write to the > filesystem --- at which point it gets some kind of signal (which > defaults to killing the process), and the filesystem is unfrozen and > as part of the unfreeze you wake up all of the processes that were put > to sleep for touching the frozen filesystem.
I don't think close() usually writes to journal and the deadlock occurs. Is there the special case which close() writes to journal in case of getting signal?
Cheers, Takashi
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