On 9 Sep, Don Lewis wrote:
> nfs_link() contains the following code:
>
> /*
> * Push all writes to the server, so that the attribute cache
> * doesn't get "out of sync" with the server.
> * XXX There should be a better way!
> */
> VOP_FSYNC(vp, cnp->cn_cred, MNT_WAIT, cnp->cn_thread);
>
> The problem is that vp is not locked by the caller, but VOP_FSYNC()
> expects its argument to be locked.
>
> I think we can probably just lock and unlock vp around the call to
> VOP_FSYNC() ...
Hmn, I think I just figured out this bit of code in ufs_link():
if (tdvp != vp && (error = vn_lock(vp, LK_EXCLUSIVE, td))) {
goto out2;
}
It would probably be a bad thing to unconditionally lock vp if vp and
tdvp are the same ...
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