linux-kernel - [PATCH v2] nfsd: kill unused macro definition

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Message-ID: <4D3018FF.1010105@cn.fujitsu.com>
Date:	Fri, 14 Jan 2011 17:35:59 +0800
From:	Shan Wei <shanwei@...fujitsu.com>
To:	bfields@...ldses.org, neilb@...e.de, linux-nfs@...r.kernel.org,
	Kernel-Maillist <linux-kernel@...r.kernel.org>
Subject: [PATCH v2] nfsd: kill unused macro definition

These macros had never been used for several years.
So, remove them.

Signed-off-by: Shan Wei <shanwei@...fujitsu.com>
---
V2: add two other unused macros, EXPORT_HASHMASK and FILE_HASH_MASK.
 
---
 fs/nfsd/export.c    |    1 -
 fs/nfsd/nfs4idmap.c |    1 -
 fs/nfsd/nfs4state.c |    2 +-
 3 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index c0fcb7a..98a964a 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -300,7 +300,6 @@ svc_expkey_update(struct svc_expkey *new, struct svc_expkey *old)
 
 #define	EXPORT_HASHBITS		8
 #define	EXPORT_HASHMAX		(1<< EXPORT_HASHBITS)
-#define	EXPORT_HASHMASK		(EXPORT_HASHMAX -1)
 
 static struct cache_head *export_table[EXPORT_HASHMAX];
 
diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c
index f0695e8..ce0f6b9 100644
--- a/fs/nfsd/nfs4idmap.c
+++ b/fs/nfsd/nfs4idmap.c
@@ -62,7 +62,6 @@ struct ent {
 
 #define ENT_HASHBITS          8
 #define ENT_HASHMAX           (1 << ENT_HASHBITS)
-#define ENT_HASHMASK          (ENT_HASHMAX - 1)
 
 static void
 ent_init(struct cache_head *cnew, struct cache_head *citm)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index fbd18c3..547fbc6 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -148,7 +148,7 @@ static struct list_head	ownerstr_hashtbl[OWNER_HASH_SIZE];
 /* hash table for nfs4_file */
 #define FILE_HASH_BITS                   8
 #define FILE_HASH_SIZE                  (1 << FILE_HASH_BITS)
-#define FILE_HASH_MASK                  (FILE_HASH_SIZE - 1)
+
 /* hash table for (open)nfs4_stateid */
 #define STATEID_HASH_BITS              10
 #define STATEID_HASH_SIZE              (1 << STATEID_HASH_BITS)
-- 
1.6.3.3
--
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