btrfs: scrub: introduce a helper to locate an extent item
authorQu Wenruo <wqu@suse.com>
Fri, 11 Mar 2022 07:38:42 +0000 (15:38 +0800)
committerDavid Sterba <dsterba@suse.com>
Mon, 16 May 2022 15:17:30 +0000 (17:17 +0200)
commit416bd7e7af602a14c41d87a94bec36a052d87181
treef5cfa90405ae27794db39525f17cfa2595d4df48
parent1194a82481d8f37892e0362b7e77d3627f51d017
btrfs: scrub: introduce a helper to locate an extent item

The new helper, find_first_extent_item(), will locate an extent item
(either EXTENT_ITEM or METADATA_ITEM) which covers any byte of the
search range.

This helper will later be used to refactor scrub code.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/scrub.c