btrfs: fix iterator with update error in backref.c

[deliverable/linux.git] / fs / btrfs / super.c

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 24154e422945167f474557887c62acaf6ed0779c..0b6ab61aa5489ffc1039e2a07eb456f950921519 100644 (file)
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1865,7 +1865,7 @@ static int btrfs_calc_avail_data_space(struct btrfs_root *root, u64 *free_bytes)
                 * btrfs starts at an offset of at least 1MB when doing chunk
                 * allocation.
                 */
-               skip_space = 1024 * 1024;
+               skip_space = SZ_1M;
 
                /* user can set the offset in fs_info->alloc_start. */
                if (fs_info->alloc_start &&