On 10/21/20 2:04 AM, Sergei Shtepa wrote: > diff --git a/block/Kconfig b/block/Kconfig > index bbad5e8bbffe..a308801b4376 100644 > --- a/block/Kconfig > +++ b/block/Kconfig > @@ -204,6 +204,17 @@ config BLK_INLINE_ENCRYPTION_FALLBACK > by falling back to the kernel crypto API when inline > encryption hardware is not present. > > +config BLK_FILTER > + bool "Enable support for block layer filters" > + default y Drop the default y. We don't add modules to a default build without some tough justification. > + depends on MODULES > + help > + Enabling this lets third-party kernel modules intercept lets loadable kernel modules intercept > + bio requests for any block device. This allows them to implement > + changed block tracking and snapshots without any reconfiguration of > + the existing setup. For example, this option allows snapshotting of > + a block device without adding it to LVM. -- ~Randy
