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nfsd4: name openowner data structures more clearly

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These appear to be generic (for both open and lock owners), but they're
actually just for open owners.  This has confused me more than once.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2011-08-11 18:50:18 -04:00
parent ddc04c4163
commit 506f275fff
1 changed files with 18 additions and 18 deletions
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36
fs/nfsd/nfs4state.c
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@ -134,27 +134,27 @@ unsigned int max_delegations;
* Open owner state (share locks)
*/
/* hash tables for nfs4_stateowner */
#define OWNER_HASH_BITS 8
#define OWNER_HASH_SIZE (1 << OWNER_HASH_BITS)
#define OWNER_HASH_MASK (OWNER_HASH_SIZE - 1)
/* hash tables for open owners */
#define OPEN_OWNER_HASH_BITS 8
#define OPEN_OWNER_HASH_SIZE (1 << OPEN_OWNER_HASH_BITS)
#define OPEN_OWNER_HASH_MASK (OPEN_OWNER_HASH_SIZE - 1)
static unsigned int ownerid_hashval(const u32 id)
static unsigned int open_ownerid_hashval(const u32 id)
{
return id & OWNER_HASH_MASK;
return id & OPEN_OWNER_HASH_MASK;
}
static unsigned int ownerstr_hashval(u32 clientid, struct xdr_netobj *ownername)
static unsigned int open_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;
return ret & OPEN_OWNER_HASH_MASK;
}
static struct list_head ownerid_hashtbl[OWNER_HASH_SIZE];
static struct list_head ownerstr_hashtbl[OWNER_HASH_SIZE];
static struct list_head open_ownerid_hashtbl[OPEN_OWNER_HASH_SIZE];
static struct list_head open_ownerstr_hashtbl[OPEN_OWNER_HASH_SIZE];
/* hash table for nfs4_file */
#define FILE_HASH_BITS 8
@ -2240,7 +2240,7 @@ alloc_init_open_stateowner(unsigned int strhashval, struct nfs4_client *clp, str
if (!(sop = alloc_stateowner(&open->op_owner)))
return NULL;
idhashval = ownerid_hashval(current_ownerid);
idhashval = open_ownerid_hashval(current_ownerid);
INIT_LIST_HEAD(&sop->so_idhash);
INIT_LIST_HEAD(&sop->so_strhash);
INIT_LIST_HEAD(&sop->so_perclient);
@ -2248,8 +2248,8 @@ alloc_init_open_stateowner(unsigned int strhashval, struct nfs4_client *clp, str
INIT_LIST_HEAD(&sop->so_perstateid); /* not used */
INIT_LIST_HEAD(&sop->so_close_lru);
sop->so_time = 0;
list_add(&sop->so_idhash, &ownerid_hashtbl[idhashval]);
list_add(&sop->so_strhash, &ownerstr_hashtbl[strhashval]);
list_add(&sop->so_idhash, &open_ownerid_hashtbl[idhashval]);
list_add(&sop->so_strhash, &open_ownerstr_hashtbl[strhashval]);
list_add(&sop->so_perclient, &clp->cl_openowners);
sop->so_is_open_owner = 1;
sop->so_id = current_ownerid++;
@ -2313,7 +2313,7 @@ find_openstateowner_str(unsigned int hashval, struct nfsd4_open *open)
{
struct nfs4_stateowner *so = NULL;
list_for_each_entry(so, &ownerstr_hashtbl[hashval], so_strhash) {
list_for_each_entry(so, &open_ownerstr_hashtbl[hashval], so_strhash) {
if (same_owner_str(so, &open->op_owner, &open->op_clientid))
return so;
}
@ -2464,7 +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 = open_ownerstr_hashval(clientid->cl_id, &open->op_owner);
sop = find_openstateowner_str(strhashval, open);
open->op_stateowner = sop;
if (!sop) {
@ -4518,9 +4518,9 @@ nfs4_state_init(void)
for (i = 0; i < FILE_HASH_SIZE; i++) {
INIT_LIST_HEAD(&file_hashtbl[i]);
}
for (i = 0; i < OWNER_HASH_SIZE; i++) {
INIT_LIST_HEAD(&ownerstr_hashtbl[i]);
INIT_LIST_HEAD(&ownerid_hashtbl[i]);
for (i = 0; i < OPEN_OWNER_HASH_SIZE; i++) {
INIT_LIST_HEAD(&open_ownerstr_hashtbl[i]);
INIT_LIST_HEAD(&open_ownerid_hashtbl[i]);
}
for (i = 0; i < STATEID_HASH_SIZE; i++) {
INIT_LIST_HEAD(&stateid_hashtbl[i]);