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NFSv4: Cleanup the setting of the nfs4 lease period

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Make a helper function nfs4_set_lease_period() and have
nfs41_setup_state_renewal() and nfs4_do_fsinfo() use it.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2016-08-05 19:13:08 -04:00
parent 3851f1cdb2
commit fb10fb67ad
4 changed files with 27 additions and 12 deletions
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4
fs/nfs/nfs4_fs.h
View File

@ -395,6 +395,10 @@ extern void nfs4_schedule_state_renewal(struct nfs_client *);
extern void nfs4_renewd_prepare_shutdown(struct nfs_server *);
extern void nfs4_kill_renewd(struct nfs_client *);
extern void nfs4_renew_state(struct work_struct *);
extern void nfs4_set_lease_period(struct nfs_client *clp,
unsigned long lease,
unsigned long lastrenewed);
/* nfs4state.c */
struct rpc_cred *nfs4_get_clid_cred(struct nfs_client *clp);

9
fs/nfs/nfs4proc.c
View File

@ -4237,12 +4237,9 @@ static int nfs4_do_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, str
err = _nfs4_do_fsinfo(server, fhandle, fsinfo);
trace_nfs4_fsinfo(server, fhandle, fsinfo->fattr, err);
if (err == 0) {
struct nfs_client *clp = server->nfs_client;
spin_lock(&clp->cl_lock);
clp->cl_lease_time = fsinfo->lease_time * HZ;
clp->cl_last_renewal = now;
spin_unlock(&clp->cl_lock);
nfs4_set_lease_period(server->nfs_client,
fsinfo->lease_time * HZ,
now);
break;
}
err = nfs4_handle_exception(server, err, &exception);

17
fs/nfs/nfs4renewd.c
View File

@ -136,6 +136,23 @@ nfs4_kill_renewd(struct nfs_client *clp)
cancel_delayed_work_sync(&clp->cl_renewd);
}
/**
* nfs4_set_lease_period - Sets the lease period on a nfs_client
*
* @clp: pointer to nfs_client
* @lease: new value for lease period
* @lastrenewed: time at which lease was last renewed
*/
void nfs4_set_lease_period(struct nfs_client *clp,
unsigned long lease,
unsigned long lastrenewed)
{
spin_lock(&clp->cl_lock);
clp->cl_lease_time = lease;
clp->cl_last_renewal = lastrenewed;
spin_unlock(&clp->cl_lock);
}
/*
* Local variables:
* c-basic-offset: 8

9
fs/nfs/nfs4state.c
View File

@ -277,20 +277,17 @@ static int nfs41_setup_state_renewal(struct nfs_client *clp)
{
int status;
struct nfs_fsinfo fsinfo;
unsigned long now;
if (!test_bit(NFS_CS_CHECK_LEASE_TIME, &clp->cl_res_state)) {
nfs4_schedule_state_renewal(clp);
return 0;
}
now = jiffies;
status = nfs4_proc_get_lease_time(clp, &fsinfo);
if (status == 0) {
/* Update lease time and schedule renewal */
spin_lock(&clp->cl_lock);
clp->cl_lease_time = fsinfo.lease_time * HZ;
clp->cl_last_renewal = jiffies;
spin_unlock(&clp->cl_lock);
nfs4_set_lease_period(clp, fsinfo.lease_time * HZ, now);
nfs4_schedule_state_renewal(clp);
}