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| author | Alex Elder <elder@dreamhost.com> | 2012-01-12 17:48:11 -0800 |
|---|---|---|
| committer | Alex Elder <elder@dreamhost.com> | 2012-03-22 10:47:45 -0500 |
| commit | 1ce208a6ce030ea6ccd4b13c8cec0a84c0c7a1e9 (patch) | |
| tree | 2957ff4c5c853464fdd174a431a55a66924d6f79 /fs | |
| parent | 182fac2689b769a96e7fc9defcd560c5cca92b1e (diff) | |
| download | linux-stable-1ce208a6ce030ea6ccd4b13c8cec0a84c0c7a1e9.tar.gz linux-stable-1ce208a6ce030ea6ccd4b13c8cec0a84c0c7a1e9.tar.bz2 linux-stable-1ce208a6ce030ea6ccd4b13c8cec0a84c0c7a1e9.zip | |
ceph: don't reset s_cap_ttl to zero
Avoid the need to check for a special zero s_cap_ttl value by just
using (jiffies - 1) as the value assigned to indicate "sometime in
the past."
Signed-off-by: Alex Elder <elder@dreamhost.com>
Reviewed-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ceph/mds_client.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 866e8d7ca37d..89971e137aab 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -402,7 +402,7 @@ static struct ceph_mds_session *register_session(struct ceph_mds_client *mdsc, spin_lock_init(&s->s_gen_ttl_lock); s->s_cap_gen = 0; - s->s_cap_ttl = 0; + s->s_cap_ttl = jiffies - 1; spin_lock_init(&s->s_cap_lock); s->s_renew_requested = 0; @@ -1083,8 +1083,7 @@ static void renewed_caps(struct ceph_mds_client *mdsc, int wake = 0; spin_lock(&session->s_cap_lock); - was_stale = is_renew && (session->s_cap_ttl == 0 || - time_after_eq(jiffies, session->s_cap_ttl)); + was_stale = is_renew && time_after_eq(jiffies, session->s_cap_ttl); session->s_cap_ttl = session->s_renew_requested + mdsc->mdsmap->m_session_timeout*HZ; @@ -2332,7 +2331,7 @@ static void handle_session(struct ceph_mds_session *session, session->s_mds); spin_lock(&session->s_gen_ttl_lock); session->s_cap_gen++; - session->s_cap_ttl = 0; + session->s_cap_ttl = jiffies - 1; spin_unlock(&session->s_gen_ttl_lock); send_renew_caps(mdsc, session); break; |