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-rw-r--r--fs/btrfs/ctree.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 5b8e235c4b6d..cb7720f91a4a 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -1555,7 +1555,7 @@ noinline int btrfs_cow_block(struct btrfs_trans_handle *trans,
return 0;
}
- search_start = buf->start & ~((u64)(1024 * 1024 * 1024) - 1);
+ search_start = buf->start & ~((u64)SZ_1G - 1);
if (parent)
btrfs_set_lock_blocking(parent);