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btrfs: reloc: add backref_cache::fs_info member

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

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2020-03-05 13:54:11 +08:00 committed by David Sterba
parent 8478028933
commit 33a0f1f716
1 changed files with 6 additions and 2 deletions
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8
fs/btrfs/relocation.c
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@ -164,6 +164,8 @@ struct backref_cache {
/* The list of useless backref nodes during backref cache build */ /* The list of useless backref nodes during backref cache build */
struct list_head useless_node; struct list_head useless_node;
struct btrfs_fs_info *fs_info;
}; };
/* /*
@ -266,7 +268,8 @@ static void mapping_tree_init(struct mapping_tree *tree)
spin_lock_init(&tree->lock); 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; int i;
cache->rb_root = RB_ROOT; cache->rb_root = RB_ROOT;
@ -277,6 +280,7 @@ static void backref_cache_init(struct backref_cache *cache)
INIT_LIST_HEAD(&cache->leaves); INIT_LIST_HEAD(&cache->leaves);
INIT_LIST_HEAD(&cache->pending_edge); INIT_LIST_HEAD(&cache->pending_edge);
INIT_LIST_HEAD(&cache->useless_node); INIT_LIST_HEAD(&cache->useless_node);
cache->fs_info = fs_info;
} }
static void backref_cache_cleanup(struct backref_cache *cache) static void backref_cache_cleanup(struct backref_cache *cache)
@ -4188,7 +4192,7 @@ static struct reloc_control *alloc_reloc_control(struct btrfs_fs_info *fs_info)
INIT_LIST_HEAD(&rc->reloc_roots); INIT_LIST_HEAD(&rc->reloc_roots);
INIT_LIST_HEAD(&rc->dirty_subvol_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); mapping_tree_init(&rc->reloc_root_tree);
extent_io_tree_init(fs_info, &rc->processed_blocks, extent_io_tree_init(fs_info, &rc->processed_blocks,
IO_TREE_RELOC_BLOCKS, NULL); IO_TREE_RELOC_BLOCKS, NULL);