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authorTrond Myklebust <trondmy@gmail.com>2018-10-01 10:41:57 -0400
committerJ. Bruce Fields <bfields@redhat.com>2018-10-29 16:58:04 -0400
commit736c6625de666f3fd0b47428f10568154033151a (patch)
treee31ce544fa5a48126213abf0834e064a5c642435 /fs/nfsd/cache.h
parented00c2f65267f3a5a8727ac74a90d32470f91679 (diff)
knfsd: Improve lookup performance in the duplicate reply cache using an rbtree
Use an rbtree to ensure the lookup/insert of an entry in a DRC bucket is O(log(N)). Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/cache.h')
-rw-r--r--fs/nfsd/cache.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfsd/cache.h b/fs/nfsd/cache.h
index 745c861237ca..4a98537efb0f 100644
--- a/fs/nfsd/cache.h
+++ b/fs/nfsd/cache.h
@@ -30,6 +30,7 @@ struct svc_cacherep {
struct sockaddr_in6 k_addr;
} c_key;
+ struct rb_node c_node;
struct list_head c_lru;
unsigned char c_state, /* unused, inprog, done */
c_type, /* status, buffer */