NSM: Add dprintk() calls in nsm_find and nsm_release
Introduce some dprintk() calls in fs/lockd/mon.c that are enabled by the NLMDBG_MONITOR flag. These report when we find, create, and release nsm_handles. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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@ -249,10 +249,15 @@ retry:
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atomic_inc(&pos->sm_count);
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kfree(nsm);
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nsm = pos;
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dprintk("lockd: found nsm_handle for %s (%s), cnt %d\n",
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pos->sm_name, pos->sm_addrbuf,
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atomic_read(&pos->sm_count));
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goto found;
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}
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if (nsm) {
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list_add(&nsm->sm_link, &nsm_handles);
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dprintk("lockd: created nsm_handle for %s (%s)\n",
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nsm->sm_name, nsm->sm_addrbuf);
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goto found;
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}
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spin_unlock(&nsm_lock);
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@ -291,6 +296,8 @@ void nsm_release(struct nsm_handle *nsm)
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if (atomic_dec_and_lock(&nsm->sm_count, &nsm_lock)) {
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list_del(&nsm->sm_link);
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spin_unlock(&nsm_lock);
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dprintk("lockd: destroyed nsm_handle for %s (%s)\n",
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nsm->sm_name, nsm->sm_addrbuf);
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kfree(nsm);
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}
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}
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