tree 1dc88c15e505bfce14d01e5b9f15f27b6695141a
parent bc621e545b594f1ffd1191b6952de2e0c4c238de
author Qu Wenruo <wqu@suse.com> 1593014571 +0200
committer Tom Rini <trini@konsulko.com> 1599526647 -0400

fs: btrfs: Crossport extent-cache.[ch] from btrfs-progs

This patch implements an infrastructure to insert/search/merge an extent
range (with variable length).

This provides the basis for later extent buffer cache used in btrfs.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Marek Behún <marek.behun@nic.cz>