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-rw-r--r--fs/btrfs/super.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 05fef19..db7d7b8 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1714,7 +1714,7 @@ static int btrfs_calc_avail_data_space(struct btrfs_root *root, u64 *free_bytes)
avail_space = device->total_bytes - device->bytes_used;
/* align with stripe_len */
- do_div(avail_space, BTRFS_STRIPE_LEN);
+ avail_space = div_u64(avail_space, BTRFS_STRIPE_LEN);
avail_space *= BTRFS_STRIPE_LEN;
/*
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