Re: [PATCH v3 1/4] kernfs: move revalidate to be near lookup

Hi Ian, I love your patch! Yet something to improve: [auto build test ERROR on driver-core/driver-core-testing] [also build test ERROR on v5.12-rc6 next-20210408] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as

[PATCH v3 1/4] kernfs: move revalidate to be near lookup

While the dentry operation kernfs_dop_revalidate() is grouped with dentry type functions it also has a strong affinity to the inode operation ->lookup(). In order to take advantage of the VFS negative dentry caching that can be used to reduce path lookup overhead on non-existent paths it will