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nfsd4: simplify stateid generation code, fix wraparound

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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>
This commit is contained in:
J. Bruce Fields
2011-08-23 11:03:29 -04:00
parent b79abaddfe
commit 81b829655d
2 changed files with 26 additions and 29 deletions
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3
fs/nfsd/state.h
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@ -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: