consider an operation that takes a stateid, and results in a BADSESSION error due to server reboot. we'll recover the client and session, and send OPENs to reclaim all of the client's state. but after recovery, we'll resend the original operation with the original stateid, and this will result in a STALE_STATEID error
we handle this by making use of the information in stateid_arg. if we determine that stateid_arg.stateid is different from the nfs41_open_state's stateid, we copy the new stateid into stateid_arg.stateid and retry
note that if another thread is in recovery, it hasn't finished reclaiming its open state yet; so we wait on recovery to finish before comparing the stateids
Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
after the client and session have been recovered, loop through the client's list of open state, calling nfs41_open_reclaim() and updating the stateid on success
nfs41_open_state saves the share_access and share_deny fields from the initial open, for use with nfs41_open_reclaim()
Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
