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From: Mike Snitzer <snitzer@kernel.org>
To: linux-nfs@vger.kernel.org
Cc: Jeff Layton <jlayton@kernel.org>,
	Chuck Lever <chuck.lever@oracle.com>,
	Trond Myklebust <trondmy@hammerspace.com>,
	snitzer@hammerspace.com
Subject: [for-6.11 PATCH 09/29] NFS: Manage boot verifier correctly in the case of localio
Date: Fri,  7 Jun 2024 10:26:26 -0400
Message-ID: <20240607142646.20924-10-snitzer@kernel.org>
In-Reply-To: <20240607142646.20924-1-snitzer@kernel.org>
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From: Trond Myklebust <trond.myklebust@hammerspace.com>

If there is a localio error, we want to manage the boot verifier in
a similar fashion to how it is done on the server.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
---
 fs/nfs/client.c           | 3 +++
 include/linux/nfs_fs_sb.h | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index de77848ae654..dd3278dcfca8 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -178,6 +178,9 @@ struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *cl_init)
 	clp->cl_max_connect = cl_init->max_connect ? cl_init->max_connect : 1;
 	clp->cl_net = get_net(cl_init->net);
 
+	seqlock_init(&clp->cl_boot_lock);
+	ktime_get_real_ts64(&clp->cl_nfssvc_boot);
+
 	clp->cl_principal = "*";
 	clp->cl_xprtsec = cl_init->xprtsec;
 	return clp;
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 92de074e63b9..82a6f66fe1d0 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -125,6 +125,10 @@ struct nfs_client {
 	struct net		*cl_net;
 	struct list_head	pending_cb_stateids;
 	struct rcu_head		rcu;
+
+	/* localio */
+	struct timespec64	cl_nfssvc_boot;
+	seqlock_t		cl_boot_lock;
 };
 
 /*
-- 
2.44.0