On Mon, Oct 14, 2019 at 02:22:21PM +0200, David Sterba wrote: > The series removes all per-compression algorithm callbacks and replaces > them with a switches. Lots of indirections are simplified and while it > looks nice from design POV, we don't need to over-engineer it as we have > only fixed known number of the users and not public API. > > The cost of indirect function calls is also higher with enabled > mitigations of the spectre vulnerability, so they've been incrementally > removed from the whole kernel and from btrfs as well. > > David Sterba (15): > btrfs: export compression and decompression callbacks > btrfs: switch compression callbacks to direct calls > btrfs: compression: attach workspace manager to the ops > btrfs: compression: let workspace manager init take only the type > btrfs: compression: inline init_workspace_manager > btrfs: compression: let workspace manager cleanup take only the type > btrfs: compression: inline cleanup_workspace_manager > btrfs: compression: export alloc/free/get/put callbacks of all algos > btrfs: compression: inline get_workspace > btrfs: compression: inline put_workspace > btrfs: compression: pass type to btrfs_get_workspace > btrfs: compression: inline alloc_workspace > btrfs: compression: pass type to btrfs_put_workspace > btrfs: compression: inline free_workspace > btrfs: compression: remove ops pointer from workspace_manager
Added to misc-next.
