btrfs: Remove unused root var from relink_file_extents

Added in 38c227d87c49 ("Btrfs: snapshot-aware defrag") but subsequently
made redundant by 0b246afa62b0 ("btrfs: root->fs_info cleanup, add
fs_info convenience variables").

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 6c08c03fc03cec5a8c719583532611d73783f0a2..1e9cceeaf4c42017ea528071021fd26b2a152319 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2772,12 +2772,10 @@ static void relink_file_extents(struct new_sa_defrag_extent *new)
        struct sa_defrag_extent_backref *backref;
        struct sa_defrag_extent_backref *prev = NULL;
        struct inode *inode;
-       struct btrfs_root *root;
        struct rb_node *node;
        int ret;
 
        inode = new->inode;
-       root = BTRFS_I(inode)->root;
 
        path = btrfs_alloc_path();
        if (!path)