We can read fs_info from dev.

Signed-off-by: David Sterba <dste...@suse.com>
---
 fs/btrfs/reada.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c
index 5edf7328f67d..c1fc79cd4b2a 100644
--- a/fs/btrfs/reada.c
+++ b/fs/btrfs/reada.c
@@ -235,10 +235,10 @@ int btree_readahead_hook(struct extent_buffer *eb, int 
err)
        return ret;
 }
 
-static struct reada_zone *reada_find_zone(struct btrfs_fs_info *fs_info,
-                                         struct btrfs_device *dev, u64 logical,
+static struct reada_zone *reada_find_zone(struct btrfs_device *dev, u64 
logical,
                                          struct btrfs_bio *bbio)
 {
+       struct btrfs_fs_info *fs_info = dev->fs_info;
        int ret;
        struct reada_zone *zone;
        struct btrfs_block_group_cache *cache = NULL;
@@ -372,7 +372,7 @@ static struct reada_extent *reada_find_extent(struct 
btrfs_fs_info *fs_info,
                 if (!dev->bdev)
                        continue;
 
-               zone = reada_find_zone(fs_info, dev, logical, bbio);
+               zone = reada_find_zone(dev, logical, bbio);
                if (!zone)
                        continue;
 
-- 
2.12.0

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