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btrfs: pass NULL as trans to btrfs_search_slot if we only want to search

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Using a transaction in btrfs_search_slot is only useful when we are
searching to add or modify the tree. When the function is used for
searching, insert length and mod arguments are 0, there is no need to
use a transaction.

No functional changes, changing for consistency.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Marcos Paulo de Souza 2021-07-20 15:02:47 -03:00 committed by David Sterba
parent 069a2e3778
commit 6534c0c99d
2 changed files with 2 additions and 2 deletions
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2
fs/btrfs/backref.c
View File

@ -1211,7 +1211,7 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans,
again:
head = NULL;
ret = btrfs_search_slot(trans, fs_info->extent_root, &key, path, 0, 0);
ret = btrfs_search_slot(NULL, fs_info->extent_root, &key, path, 0, 0);
if (ret < 0)
goto out;
BUG_ON(ret == 0);

2
fs/btrfs/extent-tree.c
View File

@ -153,7 +153,7 @@ search_again:
else
key.type = BTRFS_EXTENT_ITEM_KEY;
ret = btrfs_search_slot(trans, fs_info->extent_root, &key, path, 0, 0);
ret = btrfs_search_slot(NULL, fs_info->extent_root, &key, path, 0, 0);
if (ret < 0)
goto out_free;