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recovery: avoid recursive state recovery

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avoid the recursive case where state recovery operations (OPEN for reclaim and RECLAIM_COMPLETE) return BADSESSION, which kicks off another round of recovery

added a 'bool_t try_recovery' argument to compound_encode_send_decode() in place of its unused 'bufsize_in' and 'bufsize_out'.  when try_recovery=FALSE, return BADSESSION/STALE_CLIENTID errors instead of attempting recovery.  nfs41_open_reclaim(), nfs41_reclaim_complete(), and nfs41_destroy_session() now pass try_recovery=FALSE

during state recovery, we can now check the return values of nfs41_open_reclaim() and nfs41_reclaim_complete() for BADSESSION, and use a goto to restart session recovery

Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
This commit is contained in:
Casey Bodley 2010-11-18 11:23:49 -05:00 • committed by unknown
parent 80cb5b5f57
commit 7c8f58b992
5 changed files with 45 additions and 47 deletions
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daemon/nfs41_compound.h
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@ -77,7 +77,6 @@ void compound_add_op(
int compound_encode_send_decode(
nfs41_session *session,
nfs41_compound *compound,
uint32_t bufsize_in,
uint32_t bufsize_out);
bool_t try_recovery);
#endif /* __NFS41_DAEMON_COMPOUND_H__ */