On 03/08/2013 10:04 AM, Dave Chinner wrote: > On Thu, Mar 07, 2013 at 07:37:36PM +0800, Yan, Zheng wrote: >> From: "Yan, Zheng" <zheng.z.yan@xxxxxxxxx> >> >> dentry_lru_prune() should always call file system's d_prune callback. > > Why? What bug does this fix? > Ceph uses a flag to track if the dcache contents for a directory are complete, and it relies on d_prune() to clear the flag when some dentries are trimmed. We noticed that dentry_lru_prune() sometimes does not call ceph_d_prune(). It seems the dentry in question is ancestor trimmed by try_prune_one_dentry(). Regards Yan, Zheng -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
