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nfsd4: nfsd4_destroy_session must set callback client under the state lock

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nfsd4_set_callback_client must be called under the state lock to atomically
set or unset the callback client and shutting down the previous one.

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
Benny Halevy
2010-05-12 00:14:06 +03:00
committed by J. Bruce Fields
parent d76829889a
commit ab707e1565
2 changed files with 3 additions and 0 deletions
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2
fs/nfsd/nfs4state.c
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@@ -1427,8 +1427,10 @@ nfsd4_destroy_session(struct svc_rqst *r,
unhash_session(ses);
spin_unlock(&client_lock);
nfs4_lock_state();
/* wait for callbacks */
nfsd4_set_callback_client(ses->se_client, NULL);
nfs4_unlock_state();
nfsd4_put_session(ses);
status = nfs_ok;
out: