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authorJ. Bruce Fields <bfields@redhat.com>2011-07-30 23:46:29 -0400
committerJ. Bruce Fields <bfields@redhat.com>2011-08-27 14:21:22 -0400
commitddc04c41636f8cd374d72cdd3a0fcaa916fbc5d0 (patch)
tree7ec409d79d1cc23d6bc8a0120d0750dcdce10617
parent3e77246393c0a433247631a1f0e9ec98d3d78a1c (diff)
downloadop-kernel-dev-ddc04c41636f8cd374d72cdd3a0fcaa916fbc5d0.zip
op-kernel-dev-ddc04c41636f8cd374d72cdd3a0fcaa916fbc5d0.tar.gz
nfsd4: replace some macros by functions
For all the usual reasons. (Type safety, readability.) Signed-off-by: J. Bruce Fields <bfields@redhat.com>
-rw-r--r--fs/nfsd/nfs4state.c53
1 files changed, 38 insertions, 15 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index c7d54f6..ce8e70c 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -139,10 +139,19 @@ unsigned int max_delegations;
#define OWNER_HASH_SIZE (1 << OWNER_HASH_BITS)
#define OWNER_HASH_MASK (OWNER_HASH_SIZE - 1)
-#define ownerid_hashval(id) \
- ((id) & OWNER_HASH_MASK)
-#define ownerstr_hashval(clientid, ownername) \
- (((clientid) + opaque_hashval((ownername.data), (ownername.len))) & OWNER_HASH_MASK)
+static unsigned int ownerid_hashval(const u32 id)
+{
+ return id & OWNER_HASH_MASK;
+}
+
+static unsigned int ownerstr_hashval(u32 clientid, struct xdr_netobj *ownername)
+{
+ unsigned int ret;
+
+ ret = opaque_hashval(ownername->data, ownername->len);
+ ret += clientid;
+ return ret & OWNER_HASH_MASK;
+}
static struct list_head ownerid_hashtbl[OWNER_HASH_SIZE];
static struct list_head ownerstr_hashtbl[OWNER_HASH_SIZE];
@@ -156,10 +165,16 @@ static struct list_head ownerstr_hashtbl[OWNER_HASH_SIZE];
#define STATEID_HASH_SIZE (1 << STATEID_HASH_BITS)
#define STATEID_HASH_MASK (STATEID_HASH_SIZE - 1)
-#define file_hashval(x) \
- hash_ptr(x, FILE_HASH_BITS)
-#define stateid_hashval(owner_id, file_id) \
- (((owner_id) + (file_id)) & STATEID_HASH_MASK)
+static unsigned int file_hashval(struct inode *ino)
+{
+ /* XXX: why are we hashing on inode pointer, anyway? */
+ return hash_ptr(ino, FILE_HASH_BITS);
+}
+
+static unsigned int stateid_hashval(u32 owner_id, u32 file_id)
+{
+ return (owner_id + file_id) & STATEID_HASH_MASK;
+}
static struct list_head file_hashtbl[FILE_HASH_SIZE];
static struct list_head stateid_hashtbl[STATEID_HASH_SIZE];
@@ -290,10 +305,16 @@ static DEFINE_SPINLOCK(client_lock);
#define CLIENT_HASH_SIZE (1 << CLIENT_HASH_BITS)
#define CLIENT_HASH_MASK (CLIENT_HASH_SIZE - 1)
-#define clientid_hashval(id) \
- ((id) & CLIENT_HASH_MASK)
-#define clientstr_hashval(name) \
- (opaque_hashval((name), 8) & CLIENT_HASH_MASK)
+static unsigned int clientid_hashval(u32 id)
+{
+ return id & CLIENT_HASH_MASK;
+}
+
+static unsigned int clientstr_hashval(const char *name)
+{
+ return opaque_hashval(name, 8) & CLIENT_HASH_MASK;
+}
+
/*
* reclaim_str_hashtbl[] holds known client info from previous reset/reboot
* used in reboot/reset lease grace period processing
@@ -2443,7 +2464,7 @@ nfsd4_process_open1(struct nfsd4_compound_state *cstate,
if (STALE_CLIENTID(&open->op_clientid))
return nfserr_stale_clientid;
- strhashval = ownerstr_hashval(clientid->cl_id, open->op_owner);
+ strhashval = ownerstr_hashval(clientid->cl_id, &open->op_owner);
sop = find_openstateowner_str(strhashval, open);
open->op_stateowner = sop;
if (!sop) {
@@ -3711,8 +3732,10 @@ last_byte_offset(u64 start, u64 len)
return end > start ? end - 1: NFS4_MAX_UINT64;
}
-#define lockownerid_hashval(id) \
- ((id) & LOCK_HASH_MASK)
+static unsigned int lockownerid_hashval(u32 id)
+{
+ return id & LOCK_HASH_MASK;
+}
static inline unsigned int
lock_ownerstr_hashval(struct inode *inode, u32 cl_id,
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