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NFSv4: Open state recovery must account for file permission changes

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commit 304020fe48 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 @@ static int nfs4_reclaim_open_state(struct nfs4_state_owner *sp, const struct nfs
__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);