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| author | Johannes Thumshirn <johannes.thumshirn@wdc.com> | 2020-06-02 12:05:56 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2020-07-27 12:55:20 +0200 |
| commit | 89d7da9bc592aa6a341d00f2d949615a89bb1eb7 (patch) | |
| tree | 962caa14d81c070785a041bfb8eeb48786ad0fe1 | |
| parent | btrfs: simplify checks when adding excluded ranges (diff) | |
| download | linux-89d7da9bc592aa6a341d00f2d949615a89bb1eb7.tar.xz linux-89d7da9bc592aa6a341d00f2d949615a89bb1eb7.zip | |
btrfs: get mapping tree directly from fsinfo in find_first_block_group
We already have an fs_info in our function parameters, there's no need
to do the maths again and get fs_info from the extent_root just to get
the mapping_tree.
Instead directly grab the mapping_tree from fs_info.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
| -rw-r--r-- | fs/btrfs/block-group.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c index e29e9629b246..bfb5f4258336 100644 --- a/fs/btrfs/block-group.c +++ b/fs/btrfs/block-group.c @@ -1566,7 +1566,7 @@ static int find_first_block_group(struct btrfs_fs_info *fs_info, struct extent_map_tree *em_tree; struct extent_map *em; - em_tree = &root->fs_info->mapping_tree; + em_tree = &fs_info->mapping_tree; read_lock(&em_tree->lock); em = lookup_extent_mapping(em_tree, found_key.objectid, found_key.offset); |