Commit b3f255ef authored by Arnd Bergmann's avatar Arnd Bergmann Committed by J. Bruce Fields
Browse files

nfsd: use ktime_get_seconds() for timestamps



The delegation logic in nfsd uses the somewhat inefficient
seconds_since_boot() function to record time intervals.

Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent fc1b2065
Loading
Loading
Loading
Loading
+5 −5
Original line number Diff line number Diff line
@@ -854,7 +854,7 @@ static void nfs4_free_deleg(struct nfs4_stid *stid)
static DEFINE_SPINLOCK(blocked_delegations_lock);
static struct bloom_pair {
	int	entries, old_entries;
	time_t	swap_time;
	time64_t swap_time;
	int	new; /* index into 'set' */
	DECLARE_BITMAP(set[2], 256);
} blocked_delegations;
@@ -866,15 +866,15 @@ static int delegation_blocked(struct knfsd_fh *fh)

	if (bd->entries == 0)
		return 0;
	if (seconds_since_boot() - bd->swap_time > 30) {
	if (ktime_get_seconds() - bd->swap_time > 30) {
		spin_lock(&blocked_delegations_lock);
		if (seconds_since_boot() - bd->swap_time > 30) {
		if (ktime_get_seconds() - bd->swap_time > 30) {
			bd->entries -= bd->old_entries;
			bd->old_entries = bd->entries;
			memset(bd->set[bd->new], 0,
			       sizeof(bd->set[0]));
			bd->new = 1-bd->new;
			bd->swap_time = seconds_since_boot();
			bd->swap_time = ktime_get_seconds();
		}
		spin_unlock(&blocked_delegations_lock);
	}
@@ -904,7 +904,7 @@ static void block_delegations(struct knfsd_fh *fh)
	__set_bit((hash>>8)&255, bd->set[bd->new]);
	__set_bit((hash>>16)&255, bd->set[bd->new]);
	if (bd->entries == 0)
		bd->swap_time = seconds_since_boot();
		bd->swap_time = ktime_get_seconds();
	bd->entries += 1;
	spin_unlock(&blocked_delegations_lock);
}