Btrfs: Allow tree blocks larger than the page size

[linux-2.6-block.git] / fs / btrfs / super.c

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 39a1435c68f1649bc172f8455dad36606509179f..5c4370f3a5b85046a5f64e677b35bdd1951d6f98 100644 (file)
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -303,10 +303,12 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
        struct btrfs_root *root = btrfs_sb(dentry->d_sb);
        struct btrfs_super_block *disk_super = &root->fs_info->super_copy;
+       int bits = dentry->d_sb->s_blocksize_bits;
 
        buf->f_namelen = BTRFS_NAME_LEN;
-       buf->f_blocks = btrfs_super_total_blocks(disk_super);
-       buf->f_bfree = buf->f_blocks - btrfs_super_blocks_used(disk_super);
+       buf->f_blocks = btrfs_super_total_bytes(disk_super) >> bits;
+       buf->f_bfree = buf->f_blocks -
+               (btrfs_super_bytes_used(disk_super) >> bits);
        buf->f_bavail = buf->f_bfree;
        buf->f_bsize = dentry->d_sb->s_blocksize;
        buf->f_type = BTRFS_SUPER_MAGIC;