On Wed, Dec 05, 2018 at 10:17:26AM +0100, Carlos Maiolino wrote: > As a goal to enable fiemap infrastructure to be used by fibmap too, we need a > way to use different helpers to fill extent data, depending on its usage. One > helper to fill extent data stored in user address space (used in fiemap), and > another fo fill extent data stored in kernel address space (will be used in > fibmap). > > This patch sets up the usage of a callback to be used to fill in the extents. > It transforms the current fiemap_fill_next_extent, into a simple helper to call > the callback, avoiding unneeded changes on any filesystem, and reutilizes the > original function as the callback used by FIEMAP. Looks good modulo the fact that the previous patch should be merged into this one.
