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    SubjectRe: Does Linux sync(2) wait?
    On Sun, 21 Mar 2004 11:40:08 +0100, you wrote in linux.kernel:
    > Looking at 2.4 and 2.6 sources, Linux does appear to wait before returning.
    > I'm especially interested if NFS data is sent to the server. (I want to
    > be able to take a stable snapshot of a netapp volume.)

    No idea about NFS, but sync(1) does wait. When I push 500M out to my
    MO drive, the cp operation returns fairly quickly because I usually
    have more than 500M free memory. Then I run sync(1), which takes about
    20 minutes before it returns.

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