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-rw-r--r--fs/btrfs/extent_io.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 3cfbd6261f9b..fa19f2f68c1b 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2730,9 +2730,12 @@ struct bio *btrfs_bio_clone(struct bio *bio, gfp_t gfp_mask)
btrfs_bio->csum = NULL;
btrfs_bio->csum_allocated = NULL;
btrfs_bio->end_io = NULL;
+
+#ifdef CONFIG_BLK_CGROUP
/* FIXME, put this into bio_clone_bioset */
if (bio->bi_css)
bio_associate_blkcg(new, bio->bi_css);
+#endif
}
return new;
}