From 14b7f4a1edf15808cf52dc38277ffe1d84854839 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Thu, 5 May 2016 06:53:47 -0400 Subject: nfsd: handle seqid wraparound in nfsd4_preprocess_layout_stateid Move the existing static function to an inline helper, and call it. Reviewed-by: Christoph Hellwig Signed-off-by: Jeff Layton Signed-off-by: J. Bruce Fields --- fs/nfsd/state.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'fs/nfsd/state.h') diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h index c050c53036a6..986e51e5ceac 100644 --- a/fs/nfsd/state.h +++ b/fs/nfsd/state.h @@ -573,6 +573,11 @@ enum nfsd4_cb_op { NFSPROC4_CLNT_CB_SEQUENCE, }; +/* Returns true iff a is later than b: */ +static inline bool nfsd4_stateid_generation_after(stateid_t *a, stateid_t *b) +{ + return (s32)(a->si_generation - b->si_generation) > 0; +} struct nfsd4_compound_state; struct nfsd_net; -- cgit v1.2.3-55-g7522