Linus Torvalds writes: (Summary) On Thu, Sep 28, 2017 at 3:02 PM, Dave Chinner <david@fromorbit.com> wrote:
I do have to admit that I never got a satisfactory answer on why IMA doesn't just use its own private per-inode lock for this all. It isn't using the i_rwsem for file consistency reasons anyway, so it seems to be purely about serializing the actual signature generation with the xattr writing, but since IMA does those both, why isn't IMA just using its own lock (not the filesystem lock) to do that? just using its own lock (not the filesystem lock) to do that?
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about".I do have to admit that I never got a satisfactory answer on why IMA doesn't just use its own private per-inode lock for this all. It isn't using the i_rwsem for file consistency reasons anyway, so it seems to be purely about serializing the actual signature generation with the xattr writing, but since IMA does those both, why isn't IMA just using its own lock (not the filesystem lock) to do that? just using its own lock (not the filesystem lock) to do that?
