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nfsd4: simplify references to nfsd4 lease time 

Instead of accessing the lease time directly, some users call
nfs4_lease_time(), and some a macro, NFSD_LEASE_TIME, defined as
nfs4_lease_time().  Neither layer of indirection serves any purpose.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
J. Bruce Fields 2010-02-28 23:20:19 -05:00
parent 4ea41e2de5
commit cf07d2ea43
5 changed files with 13 additions and 23 deletions
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2
fs/nfsd/nfs4callback.c
View File

@ -455,7 +455,7 @@ static struct rpc_program cb_program = {
static int max_cb_time(void)
{
return max(NFSD_LEASE_TIME/10, (time_t)1) * HZ;
return max(nfsd4_lease/10, (time_t)1) * HZ;
}
/* Reference counting, callback cleanup, etc., all look racy as heck.

22
fs/nfsd/nfs4state.c
View File

@ -44,7 +44,7 @@
#define NFSDDBG_FACILITY NFSDDBG_PROC
/* Globals */
static time_t lease_time = 90; /* default lease time */
time_t nfsd4_lease = 90; /* default lease time */
static time_t user_lease_time = 90;
static time_t boot_time;
static u32 current_ownerid = 1;
@ -2560,9 +2560,9 @@ nfs4_laundromat(void)
struct nfs4_stateowner *sop;
struct nfs4_delegation *dp;
struct list_head *pos, *next, reaplist;
time_t cutoff = get_seconds() - NFSD_LEASE_TIME;
time_t t, clientid_val = NFSD_LEASE_TIME;
time_t u, test_val = NFSD_LEASE_TIME;
time_t cutoff = get_seconds() - nfsd4_lease;
time_t t, clientid_val = nfsd4_lease;
time_t u, test_val = nfsd4_lease;
nfs4_lock_state();
@ -2602,7 +2602,7 @@ nfs4_laundromat(void)
list_del_init(&dp->dl_recall_lru);
unhash_delegation(dp);
}
test_val = NFSD_LEASE_TIME;
test_val = nfsd4_lease;
list_for_each_safe(pos, next, &close_lru) {
sop = list_entry(pos, struct nfs4_stateowner, so_close_lru);
if (time_after((unsigned long)sop->so_time, (unsigned long)cutoff)) {
@ -2672,7 +2672,7 @@ EXPIRED_STATEID(stateid_t *stateid)
{
if (time_before((unsigned long)boot_time,
((unsigned long)stateid->si_boot)) &&
time_before((unsigned long)(stateid->si_boot + lease_time), get_seconds())) {
time_before((unsigned long)(stateid->si_boot + nfsd4_lease), get_seconds())) {
dprintk("NFSD: expired stateid " STATEID_FMT "!\n",
STATEID_VAL(stateid));
return 1;
@ -3976,7 +3976,7 @@ nfsd4_load_reboot_recovery_data(void)
unsigned long
get_nfs4_grace_period(void)
{
return max(user_lease_time, lease_time) * HZ;
return max(user_lease_time, nfsd4_lease) * HZ;
}
/*
@ -4009,7 +4009,7 @@ __nfs4_state_start(void)
boot_time = get_seconds();
grace_time = get_nfs4_grace_period();
lease_time = user_lease_time;
nfsd4_lease = user_lease_time;
locks_start_grace(&nfsd4_manager);
printk(KERN_INFO "NFSD: starting %ld-second grace period\n",
grace_time/HZ);
@ -4036,12 +4036,6 @@ nfs4_state_start(void)
return 0;
}
time_t
nfs4_lease_time(void)
{
return lease_time;
}
static void
__nfs4_state_shutdown(void)
{

2
fs/nfsd/nfs4xdr.c
View File

@ -1899,7 +1899,7 @@ nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
if (bmval0 & FATTR4_WORD0_LEASE_TIME) {
if ((buflen -= 4) < 0)
goto out_resource;
WRITE32(NFSD_LEASE_TIME);
WRITE32(nfsd4_lease);
}
if (bmval0 & FATTR4_WORD0_RDATTR_ERROR) {
if ((buflen -= 4) < 0)

5
fs/nfsd/nfsctl.c
View File

@ -1203,8 +1203,6 @@ static ssize_t write_maxblksize(struct file *file, char *buf, size_t size)
}
#ifdef CONFIG_NFSD_V4
extern time_t nfs4_leasetime(void);
static ssize_t __write_leasetime(struct file *file, char *buf, size_t size)
{
/* if size > 10 seconds, call
@ -1224,8 +1222,7 @@ static ssize_t __write_leasetime(struct file *file, char *buf, size_t size)
nfs4_reset_lease(lease);
}
return scnprintf(buf, SIMPLE_TRANSACTION_LIMIT, "%ld\n",
nfs4_lease_time());
return scnprintf(buf, SIMPLE_TRANSACTION_LIMIT, "%ld\n", nfsd4_lease);
}
/**

5
fs/nfsd/nfsd.h
View File

@ -82,7 +82,6 @@ int nfs4_state_init(void);
void nfsd4_free_slabs(void);
int nfs4_state_start(void);
void nfs4_state_shutdown(void);
time_t nfs4_lease_time(void);
void nfs4_reset_lease(time_t leasetime);
int nfs4_reset_recoverydir(char *recdir);
#else
@ -90,7 +89,6 @@ static inline int nfs4_state_init(void) { return 0; }
static inline void nfsd4_free_slabs(void) { }
static inline int nfs4_state_start(void) { return 0; }
static inline void nfs4_state_shutdown(void) { }
static inline time_t nfs4_lease_time(void) { return 0; }
static inline void nfs4_reset_lease(time_t leasetime) { }
static inline int nfs4_reset_recoverydir(char *recdir) { return 0; }
#endif
@ -229,6 +227,8 @@ extern struct timeval nfssvc_boot;
#ifdef CONFIG_NFSD_V4
extern time_t nfsd4_lease;
/* before processing a COMPOUND operation, we have to check that there
* is enough space in the buffer for XDR encode to succeed. otherwise,
* we might process an operation with side effects, and be unable to
@ -247,7 +247,6 @@ extern struct timeval nfssvc_boot;
#define COMPOUND_SLACK_SPACE 140 /* OP_GETFH */
#define COMPOUND_ERR_SLACK_SPACE 12 /* OP_SETATTR */
#define NFSD_LEASE_TIME (nfs4_lease_time())
#define NFSD_LAUNDROMAT_MINTIMEOUT 10 /* seconds */
/*