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btrfs: open code btrfs_backref_get_eb() 

The helper is trivial, we can inline it. It's safe to remove the 'if' as
the iterator is always valid when used, the potential NULL was never
checked anyway.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2024-02-16 15:53:25 +01:00
parent 56430c14a6
commit ef923440e2
2 changed files with 2 additions and 10 deletions
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4
fs/btrfs/backref.c
View File

@ -2960,7 +2960,7 @@ release:
*/
int btrfs_backref_iter_next(struct btrfs_backref_iter *iter)
{
struct extent_buffer *eb = btrfs_backref_get_eb(iter);
struct extent_buffer *eb = iter->path->nodes[0];
struct btrfs_root *extent_root;
struct btrfs_path *path = iter->path;
struct btrfs_extent_inline_ref *iref;
@ -3438,7 +3438,7 @@ int btrfs_backref_add_tree_node(struct btrfs_trans_handle *trans,
int type;
cond_resched();
eb = btrfs_backref_get_eb(iter);
eb = iter->path->nodes[0];
key.objectid = iter->bytenr;
if (btrfs_backref_iter_is_inline_ref(iter)) {

8
fs/btrfs/backref.h
View File

@ -283,14 +283,6 @@ struct btrfs_backref_iter {
struct btrfs_backref_iter *btrfs_backref_iter_alloc(struct btrfs_fs_info *fs_info);
static inline struct extent_buffer *btrfs_backref_get_eb(
struct btrfs_backref_iter *iter)
{
if (!iter)
return NULL;
return iter->path->nodes[0];
}
/*
* For metadata with EXTENT_ITEM key (non-skinny) case, the first inline data
* is btrfs_tree_block_info, without a btrfs_extent_inline_ref header.