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NFSv4: Open state recovery must account for file permission changes

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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 <trond.myklebust@primarydata.com>
Tested-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>
This commit is contained in:
Trond Myklebust
2016-09-22 13:39:18 -04:00
committed by Willy Tarreau
parent e9276478f8
commit 6b2e648364
1 changed files with 3 additions and 0 deletions
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fs/nfs/nfs4state.c
+3
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@@ -1464,6 +1464,9 @@ 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