diff options
| author | Niu Yawei <yawei.niu@intel.com> | 2016-10-02 22:28:30 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-10-16 10:24:38 +0200 |
| commit | 0154672fbecd8d79ffefa659b4e67f59006e0831 (patch) | |
| tree | 1028a9e4408f84caa4d62f46802b4ada02b6a317 /drivers/staging/lustre/lustre/ldlm/ldlm_request.c | |
| parent | f648eed6f32410189f024c73fd86f3c6846c4b6a (diff) | |
| download | op-kernel-dev-0154672fbecd8d79ffefa659b4e67f59006e0831.zip op-kernel-dev-0154672fbecd8d79ffefa659b4e67f59006e0831.tar.gz | |
staging: lustre: ldlm: cancel aged locks for LRUR
It doesn't make sense to keep the very aged lock even with the
LRUR policy. This patch decreased the default ns_max_age from 10
hours to 65 minutes and changed LRUR policy to cancel very aged
locks.
Signed-off-by: Niu Yawei <yawei.niu@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6529
Reviewed-on: http://review.whamcloud.com/14856
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/lustre/lustre/ldlm/ldlm_request.c')
| -rw-r--r-- | drivers/staging/lustre/lustre/ldlm/ldlm_request.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c index 98730a3..ac1927c 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c @@ -1182,6 +1182,14 @@ static enum ldlm_policy_res ldlm_cancel_lrur_policy(struct ldlm_namespace *ns, if (count && added >= count) return LDLM_POLICY_KEEP_LOCK; + /* + * Despite of the LV, It doesn't make sense to keep the lock which + * is unused for ns_max_age time. + */ + if (cfs_time_after(cfs_time_current(), + cfs_time_add(lock->l_last_used, ns->ns_max_age))) + return LDLM_POLICY_CANCEL_LOCK; + slv = ldlm_pool_get_slv(pl); lvf = ldlm_pool_get_lvf(pl); la = cfs_duration_sec(cfs_time_sub(cur, lock->l_last_used)); |
