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authorAndy Adamson <andros@netapp.com>2009-04-03 08:28:35 +0300
committerJ. Bruce Fields <bfields@citi.umich.edu>2009-04-03 17:41:19 -0700
commitbf864a31d50e3e94d6e76537b97d664913906ff8 (patch)
tree8de829d0cdc0c88fe523fc4a288b8e16eedc6a2e /samples/markers
parent38eb76a54d803e6792816623651b1a9cb85f8d01 (diff)
nfsd41: non-page DRC for solo sequence responses
A session inactivity time compound (lease renewal) or a compound where the sequence operation has sa_cachethis set to FALSE do not require any pages to be held in the v4.1 DRC. This is because struct nfsd4_slot is already caching the session information. Add logic to the nfs41 server to not cache response pages for solo sequence responses. Return nfserr_replay_uncached_rep on the operation following the sequence operation when sa_cachethis is FALSE. Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Benny Halevy <bhalevy@panasas.com> [nfsd41: use cstate session in nfsd4_replay_cache_entry] [nfsd41: rename nfsd4_no_page_in_cache] [nfsd41 rename nfsd4_enc_no_page_replay] [nfsd41 nfsd4_is_solo_sequence] [nfsd41 change nfsd4_not_cached return] Signed-off-by: Andy Adamson <andros@netapp.com> [changed return type to bool] Signed-off-by: Benny Halevy <bhalevy@panasas.com> [nfsd41 drop parens in nfsd4_is_solo_sequence call] Signed-off-by: Andy Adamson <andros@netapp.com> [changed "== 0" to "!"] Signed-off-by: Benny Halevy <bhalevy@panasas.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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