[PATCH 06/40] btrfs: relocation: Add backref_cache::fs_info member

Qu Wenruo
2020-03-23T10:24:46Z

Add this member so that we can grab fs_info without the help from
reloc_control.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
---
fs/btrfs/relocation.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 0ba441bb8554..fb69f0f0e68f 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -163,6 +163,8 @@ struct backref_cache {

/* The list of useless backref nodes during backref cache build */
struct list_head useless_node;
+
+ struct btrfs_fs_info *fs_info;
};

/*
@@ -265,7 +267,8 @@ static void mapping_tree_init(struct mapping_tree *tree)
spin_lock_init(&tree->lock);
}

-static void backref_cache_init(struct backref_cache *cache)
+static void backref_cache_init(struct btrfs_fs_info *fs_info,
+ struct backref_cache *cache)
{
int i;
cache->rb_root = RB_ROOT;
@@ -276,6 +279,7 @@ static void backref_cache_init(struct backref_cache *cache)
INIT_LIST_HEAD(&cache->leaves);
INIT_LIST_HEAD(&cache->pending_edge);
INIT_LIST_HEAD(&cache->useless_node);
+ cache->fs_info = fs_info;
}

static void backref_cache_cleanup(struct backref_cache *cache)
@@ -4304,7 +4308,7 @@ static struct reloc_control *alloc_reloc_control(struct btrfs_fs_info *fs_info)

INIT_LIST_HEAD(&rc->reloc_roots);
INIT_LIST_HEAD(&rc->dirty_subvol_roots);
- backref_cache_init(&rc->backref_cache);
+ backref_cache_init(fs_info, &rc->backref_cache);
mapping_tree_init(&rc->reloc_root_tree);
extent_io_tree_init(fs_info, &rc->processed_blocks,
IO_TREE_RELOC_BLOCKS, NULL);
--
2.25.2