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    SubjectRe: [PATCH 0/4] IMA: making i_readcount a first class inode citizen
    On Thu, 2010-10-28 at 15:29 -0700, Linus Torvalds wrote:
    > On Thu, Oct 28, 2010 at 3:24 PM, Dave Chinner <> wrote:
    > >
    > > Why the wrapper functions and locking? Why not an atomic variable like
    > > i_writecount?
    > Indeed. With moving this more into the VFS, let's just make sure it
    > looks like i_writecount as much as possible.

    My thought was that the IMA read/write checks should happen AFTER the
    i_writecount and i_readcount counters were updated. Thus even if we
    raced with another task we can rest assured that the other task would
    catch the situation we missed....


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