Received-SPF: pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   trondmy@kernel.org
To:     Anna Schumaker <anna.schumaker@netapp.com>
Cc:     linux-nfs@vger.kernel.org
Subject: [PATCH v3 4/5] NFS: Do not report flush errors in nfs_write_end()
Date:   Sat, 14 May 2022 10:27:03 -0400
Message-Id: <20220514142704.4149-5-trondmy@kernel.org>
In-Reply-To: <20220514142704.4149-4-trondmy@kernel.org>
References: <20220514142704.4149-1-trondmy@kernel.org>
 <20220514142704.4149-2-trondmy@kernel.org>
 <20220514142704.4149-3-trondmy@kernel.org>
 <20220514142704.4149-4-trondmy@kernel.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

From: Trond Myklebust <trond.myklebust@hammerspace.com>

If we do flush cached writebacks in nfs_write_end() due to the imminent
expiration of an RPCSEC_GSS session, then we should defer reporting any
resulting errors until the calls to file_check_and_advance_wb_err() in
nfs_file_write() and nfs_file_fsync().

Fixes: 6fbda89b257f ("NFS: Replace custom error reporting mechanism with generic one")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
 fs/nfs/file.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 87e4cd5e8fe2..3f17748eaf29 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -386,11 +386,8 @@ static int nfs_write_end(struct file *file, struct address_space *mapping,
 		return status;
 	NFS_I(mapping->host)->write_io += copied;
 
-	if (nfs_ctx_key_to_expire(ctx, mapping->host)) {
-		status = nfs_wb_all(mapping->host);
-		if (status < 0)
-			return status;
-	}
+	if (nfs_ctx_key_to_expire(ctx, mapping->host))
+		nfs_wb_all(mapping->host);
 
 	return copied;
 }
-- 
2.36.1