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17 August 2024, 15:42:30 UTC
Revision 927864cd92aaad1d6285e3bb16e503caf3d6e27e authored by Trond Myklebust on 04 March 2014, 18:12:03 UTC, committed by Trond Myklebust on 05 March 2014, 16:55:24 UTC 
NFSv4: Fix the return value of nfs4_select_rw_stateid
 
In commit 5521abfdcf4d6 (NFSv4: Resend the READ/WRITE RPC call
if a stateid change causes an error), we overloaded the return value of
nfs4_select_rw_stateid() to cause it to return -EWOULDBLOCK if an RPC
call is outstanding that would cause the NFSv4 lock or open stateid
to change.
That is all redundant when we actually copy the stateid used in the
read/write RPC call that failed, and check that against the current
stateid. It is doubly so, when we consider that in the NFSv4.1 case,
we also set the stateid's seqid to the special value '0', which means
'match the current valid stateid'.

Reported-by: Andy Adamson <andros@netapp.com>
Link: http://lkml.kernel.org/r/1393954269-3974-1-git-send-email-andros@netapp.com
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
1 parent e1253be
History
Tip revision: 927864cd92aaad1d6285e3bb16e503caf3d6e27e authored by Trond Myklebust on 04 March 2014, 18:12:03 UTC
NFSv4: Fix the return value of nfs4_select_rw_stateid
Tip revision: 927864c
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