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Diffstat (limited to 'fs/ceph/caps.c')
-rw-r--r--fs/ceph/caps.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 7bdefd0c789a..2a2900903f8c 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -4150,11 +4150,19 @@ bad:
/*
* Delayed work handler to process end of delayed cap release LRU list.
+ *
+ * If new caps are added to the list while processing it, these won't get
+ * processed in this run. In this case, the ci->i_hold_caps_max will be
+ * returned so that the work can be scheduled accordingly.
*/
-void ceph_check_delayed_caps(struct ceph_mds_client *mdsc)
+unsigned long ceph_check_delayed_caps(struct ceph_mds_client *mdsc)
{
struct inode *inode;
struct ceph_inode_info *ci;
+ struct ceph_mount_options *opt = mdsc->fsc->mount_options;
+ unsigned long delay_max = opt->caps_wanted_delay_max * HZ;
+ unsigned long loop_start = jiffies;
+ unsigned long delay = 0;
dout("check_delayed_caps\n");
spin_lock(&mdsc->cap_delay_lock);
@@ -4162,6 +4170,11 @@ void ceph_check_delayed_caps(struct ceph_mds_client *mdsc)
ci = list_first_entry(&mdsc->cap_delay_list,
struct ceph_inode_info,
i_cap_delay_list);
+ if (time_before(loop_start, ci->i_hold_caps_max - delay_max)) {
+ dout("%s caps added recently. Exiting loop", __func__);
+ delay = ci->i_hold_caps_max;
+ break;
+ }
if ((ci->i_ceph_flags & CEPH_I_FLUSH) == 0 &&
time_before(jiffies, ci->i_hold_caps_max))
break;
@@ -4177,6 +4190,8 @@ void ceph_check_delayed_caps(struct ceph_mds_client *mdsc)
}
}
spin_unlock(&mdsc->cap_delay_lock);
+
+ return delay;
}
/*