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Date:   Mon,  7 Nov 2016 14:04:46 +0100
From:   Jiri Slaby <>
        Trond Myklebust <>,
        Anna Schumaker <>,
        Jiri Slaby <>
Subject: [PATCH 3.12 39/72] NFSv4: Open state recovery must account for file permission changes

From: Trond Myklebust <>

3.12-stable review patch.  If anyone has any objections, please let me know.


commit 304020fe48c6c7fff8b5a38f382b54404f0f79d3 upstream.

If the file permissions change on the server, then we may not be able to
recover open state. If so, we need to ensure that we mark the file
descriptor appropriately.

Signed-off-by: Trond Myklebust <>
Tested-by: Oleg Drokin <>
Signed-off-by: Anna Schumaker <>
Signed-off-by: Jiri Slaby <>
 fs/nfs/nfs4state.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index fbe7e2f90a3c..e9eda0d5ba60 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1448,6 +1448,9 @@ restart:
 					"Zeroing state\n", __func__, status);
 			case -ENOENT:
 			case -ENOMEM:
+			case -EACCES:
+			case -EROFS:
+			case -EIO:
 			case -ESTALE:
 				 * Open state on this file cannot be recovered

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