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btrfs: use helper btrfs_get_block_group 

Use the helper function where it is open coded to increment the
block_group reference count As btrfs_get_block_group() is a one-liner we
could have open-coded it, but its partner function
btrfs_put_block_group() isn't one-liner which does the free part in it.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Anand Jain 2020-06-03 18:10:20 +08:00 committed by David Sterba
parent 69b0e093c7
commit b5790d5180
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/free-space-cache.c
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@ -2924,7 +2924,7 @@ void btrfs_return_cluster_to_free_space(
spin_unlock(&cluster->lock);
return;
}
atomic_inc(&block_group->count);
btrfs_get_block_group(block_group);
spin_unlock(&cluster->lock);
ctl = block_group->free_space_ctl;
@ -3354,7 +3354,7 @@ int btrfs_find_space_cluster(struct btrfs_block_group *block_group,
list_del_init(&entry->list);
if (!ret) {
atomic_inc(&block_group->count);
btrfs_get_block_group(block_group);
list_add_tail(&cluster->block_group_list,
&block_group->cluster_list);
cluster->block_group = block_group;