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nfsd4: reshuffle lease-setting code to allow reuse

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We'll soon allow setting the grace period, so we'll want to share this
code.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
J. Bruce Fields 2010-03-01 19:32:36 -05:00
parent f958a1320f
commit f013574014
1 changed files with 17 additions and 12 deletions
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29
fs/nfsd/nfsctl.c
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@ -1203,26 +1203,36 @@ static ssize_t write_maxblksize(struct file *file, char *buf, size_t size)
}
#ifdef CONFIG_NFSD_V4
static ssize_t __write_leasetime(struct file *file, char *buf, size_t size)
static ssize_t __nfsd4_write_time(struct file *file, char *buf, size_t size, time_t *time)
{
/* if size > 10 seconds, call
* nfs4_reset_lease() then write out the new lease (seconds) as reply
*/
char *mesg = buf;
int rv, lease;
int rv, i;
if (size > 0) {
if (nfsd_serv)
return -EBUSY;
rv = get_int(&mesg, &lease);
rv = get_int(&mesg, &i);
if (rv)
return rv;
if (lease < 10 || lease > 3600)
if (i < 10 || i > 3600)
return -EINVAL;
nfsd4_lease = lease;
*time = i;
}
return scnprintf(buf, SIMPLE_TRANSACTION_LIMIT, "%ld\n", nfsd4_lease);
return scnprintf(buf, SIMPLE_TRANSACTION_LIMIT, "%ld\n", *time);
}
static ssize_t nfsd4_write_time(struct file *file, char *buf, size_t size, time_t *time)
{
ssize_t rv;
mutex_lock(&nfsd_mutex);
rv = __nfsd4_write_time(file, buf, size, time);
mutex_unlock(&nfsd_mutex);
return rv;
}
/**
@ -1248,12 +1258,7 @@ static ssize_t __write_leasetime(struct file *file, char *buf, size_t size)
*/
static ssize_t write_leasetime(struct file *file, char *buf, size_t size)
{
ssize_t rv;
mutex_lock(&nfsd_mutex);
rv = __write_leasetime(file, buf, size);
mutex_unlock(&nfsd_mutex);
return rv;
return nfsd4_write_time(file, buf, size, &nfsd4_lease);
}
extern char *nfs4_recoverydir(void);