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NFSv4: Open state recovery must account for file permission changes

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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.

Cc: stable@vger.kernel.org
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>
This commit is contained in:
Trond Myklebust 2016-09-22 13:39:18 -04:00 committed by Anna Schumaker
parent 67dd483026
commit 304020fe48
1 changed files with 3 additions and 0 deletions
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3
fs/nfs/nfs4state.c
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@ -1532,6 +1532,9 @@ 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);