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authorJeff Layton <jlayton@poochiereds.net>2016-05-05 06:53:47 -0400
committerJ. Bruce Fields <bfields@redhat.com>2016-05-13 15:34:47 -0400
commit14b7f4a1edf15808cf52dc38277ffe1d84854839 (patch)
treeb4fcfa64ff59ee0ed5f6ef01d7b828de534e3af9 /fs/nfsd/state.h
parent64c59a3726f2dfa71680f9f3c34359e10e3ed7ab (diff)
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 <hch@lst.de> Signed-off-by: Jeff Layton <jeff.layton@primarydata.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/state.h')
-rw-r--r--fs/nfsd/state.h5
1 files changed, 5 insertions, 0 deletions
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;