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    SubjectRe: fcntl: F_SETLEASE/F_RDLCK question
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    On Tue, May 31, 2005 at 04:53:50PM +0200, Michael Kerrisk wrote:
    > I applied this against 2.6.12-rc4, and it fixes the problem
    > (and I've also teasted various other facets of file leases
    > and this change causes no obvious breakage elsewhere).
    >
    > Are you going to push this fix into 2.6.12?

    Are you sure this is actually a problem?

    I still have the following questions I had before:

    > I'm a little confused as to why anyone would have the expectation
    > that read leases would not conflict with write opens by the same
    > process, given that break_lease() has never functioned that way, so
    > later write opens by the same process have always broken any read lease.
    >
    > Are there applications that actually depend on the old behaviour? Is
    > there any documentation that blesses it? All I can find is the fcntl
    > man page, and as far as I can tell an implementation that makes read
    > leases conflict with all write opens (by the same process or not) is
    > consistent with that man page.

    --b.
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