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Commit 019599ad authored by Gu Jinxiang's avatar Gu Jinxiang Committed by David Sterba
Browse files

btrfs: use reada direction enum instead of constant value in populate_free_space_tree 



populate_free_space_tree calls function btrfs_search_slot_for_read with
parameter int find_higher = 1, it means that, if no exact match is
found, then use the next higher item.  So in function
populate_free_space_tree, use READA_FORWARD to read forward ahead.

This also changes the value from READA_BACK to READA_FORWARD, since
according to the logic, it should reada_for_search forward, not
backward.

Signed-off-by: default avatarGu JinXiang <gujx@cn.fujitsu.com>
Reviewed-by: default avatarNikolay Borisov <nborisov@suse.com>
[ update changelog ]
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent c1c3fac2

fs/btrfs/free-space-tree.c

+1 −1
Original line number Diff line number Diff line
@@ -1071,7 +1071,7 @@ static int populate_free_space_tree(struct btrfs_trans_handle *trans, 
	path = btrfs_alloc_path();

	if (!path)

		return -ENOMEM;

	path->reada = 1;

	path->reada = READA_FORWARD;



	path2 = btrfs_alloc_path();

	if (!path2) {