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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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Trond Myklebust 2016-09-22 13:39:18 -04:00 • committed by Greg Kroah-Hartman
parent c7a128f02e
commit 2c52c33a25
1 changed files with 3 additions and 0 deletions
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3
fs/nfs/nfs4state.c
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@ -1493,6 +1493,9 @@ restart:
__func__, status);
case -ENOENT:
case -ENOMEM:
case -EACCES:
case -EROFS:
case -EIO:
case -ESTALE:
/* Open state on this file cannot be recovered */
nfs4_state_mark_recovery_failed(state, status);