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NFSv4: Fix another open/open_recovery deadlock

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If we don't release the open seqid before we wait for state recovery,
then we may end up deadlocking the state recovery thread.
This patch addresses a new deadlock that was introduced by
commit c21443c2c792cd9b463646d982b0fe48aa6feb0f (NFSv4: Fix a reboot
recovery race when opening a file)

Reported-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2013-02-28 16:19:59 -08:00
parent f6488c9ba5
commit 7aa262b522
1 changed files with 1 additions and 0 deletions
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fs/nfs/nfs4proc.c
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@ -1158,6 +1158,7 @@ _nfs4_opendata_to_nfs4_state(struct nfs4_opendata *data)
data->o_arg.fmode);
iput(inode);
out:
nfs_release_seqid(data->o_arg.seqid);
return state;
err_put_inode:
iput(inode);