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authorJ. Bruce Fields <bfields@citi.umich.edu>2010-02-28 23:20:19 -0500
committerJ. Bruce Fields <bfields@citi.umich.edu>2010-03-06 15:02:01 -0500
commitcf07d2ea43e5c22149435ee9002cb737eac20eca (patch)
treebe8af254331398b2be20090b2b61da432229f109 /fs/nfsd
parent4ea41e2de5bba756858bb40f964e3490b6d1a25c (diff)
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>
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfs4callback.c2
-rw-r--r--fs/nfsd/nfs4state.c22
-rw-r--r--fs/nfsd/nfs4xdr.c2
-rw-r--r--fs/nfsd/nfsctl.c5
-rw-r--r--fs/nfsd/nfsd.h5
5 files changed, 13 insertions, 23 deletions
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 4bc22c763de7..ed12ad40828b 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -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.
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 3a20c09353ed..cc9164a34bec 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -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)
{
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index c458fb11c957..f61bd736152b 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -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)
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 0f0e77f2012f..8bff6741b1e6 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -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);
}
/**
diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
index e942a1aaac92..b463093af255 100644
--- a/fs/nfsd/nfsd.h
+++ b/fs/nfsd/nfsd.h
@@ -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 */
/*