On 2020/11/26 17:50, Christoph Hellwig wrote: > On Thu, Nov 26, 2020 at 05:48:25PM +0800, Yicong Yang wrote: >> Sorry for not describing the issues I met correctly in the commit message. >> Actually we're using inline function vfs_stat() for getting the >> attributes, which calls vfs_fstatat(): > Again, there generally isn't much need to look at the stat data > for an in-kernel caller. But without you submitting the code I can't > really help you anyway. > . sure. we'll check to see whether it's necessary or there is other way. many thanks!