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| author | J. Bruce Fields <bfields@redhat.com> | 2011-08-23 11:03:29 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2011-08-31 17:56:00 -0400 |
| commit | 81b829655d418316f0707b3656b45cff7a1dbf12 (patch) | |
| tree | dfd373c283c89514898cd1147969c4fffb2485a2 /fs/nfsd/state.h | |
| parent | b79abaddfe7ef29e00d71721cf03a33e00d53317 (diff) | |
| download | blackbird-op-linux-81b829655d418316f0707b3656b45cff7a1dbf12.tar.gz blackbird-op-linux-81b829655d418316f0707b3656b45cff7a1dbf12.zip | |
nfsd4: simplify stateid generation code, fix wraparound
Follow the recommendation from rfc3530bis for stateid generation number
wraparound, simplify some code, and fix or remove incorrect comments.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/state.h')
| -rw-r--r-- | fs/nfsd/state.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h index a06f55bd38b6..c425717715f6 100644 --- a/fs/nfsd/state.h +++ b/fs/nfsd/state.h @@ -293,6 +293,9 @@ static inline void update_stateid(stateid_t *stateid) { stateid->si_generation++; + /* Wraparound recommendation from 3530bis-13 9.1.3.2: */ + if (stateid->si_generation == 0) + stateid->si_generation = 1; } /* A reasonable value for REPLAY_ISIZE was estimated as follows: |
