tree f28399ea31a14988d78e7ca8842cf6235c8dbe23
parent b79ce3dddd3f1be7515452adfed633d13e45d806
author David Sterba <dsterba@suse.com> 1574954104 +0100
committer David Sterba <dsterba@suse.com> 1584979305 +0100

btrfs: reduce pointer intdirections in btree_readpage_end_io_hook

All we need to read is checksum size from fs_info superblock, and
fs_info is provided by extent buffer so we can get rid of the wild
pointer indirections from page/inode/root.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>