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-rw-r--r--fs/ceph/caps.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index e8d8e3e633..c4941ba245 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -4634,6 +4634,14 @@ unsigned long ceph_check_delayed_caps(struct ceph_mds_client *mdsc)
iput(inode);
spin_lock(&mdsc->cap_delay_lock);
}
+
+ /*
+ * Make sure too many dirty caps or general
+ * slowness doesn't block mdsc delayed work,
+ * preventing send_renew_caps() from running.
+ */
+ if (jiffies - loop_start >= 5 * HZ)
+ break;
}
spin_unlock(&mdsc->cap_delay_lock);
doutc(cl, "done\n");