[PATCH 3/6] nfsd: add session slot count to /proc/fs/nfsd/clients/*/info

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Each client now reports the number of slots allocated in each session.

Signed-off-by: NeilBrown <neilb@xxxxxxx>
---
 fs/nfsd/nfs4state.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 3889ba1c653f..31ff9f92a895 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2642,6 +2642,7 @@ static const char *cb_state2str(int state)
 static int client_info_show(struct seq_file *m, void *v)
 {
 	struct inode *inode = file_inode(m->file);
+	struct nfsd4_session *ses;
 	struct nfs4_client *clp;
 	u64 clid;
 
@@ -2678,6 +2679,13 @@ static int client_info_show(struct seq_file *m, void *v)
 	seq_printf(m, "callback address: \"%pISpc\"\n", &clp->cl_cb_conn.cb_addr);
 	seq_printf(m, "admin-revoked states: %d\n",
 		   atomic_read(&clp->cl_admin_revoked));
+	seq_printf(m, "session slots:");
+	spin_lock(&clp->cl_lock);
+	list_for_each_entry(ses, &clp->cl_sessions, se_perclnt)
+		seq_printf(m, " %u", ses->se_fchannel.maxreqs);
+	spin_unlock(&clp->cl_lock);
+	seq_puts(m, "\n");
+
 	drop_client(clp);
 
 	return 0;
-- 
2.47.0





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