| Message ID | 1415973906-19990-1-git-send-email-dsterba@suse.cz (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 54bd91ece35b..cde9c03e3913 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -1824,7 +1824,7 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_bfree -= block_rsv->size >> bits; spin_unlock(&block_rsv->lock); - buf->f_bavail = total_free_data; + buf->f_bavail = div_u64(total_free_data, factor); ret = btrfs_calc_avail_data_space(fs_info->tree_root, &total_free_data); if (ret) { mutex_unlock(&fs_info->chunk_mutex);
The sizes that are obtained from space infos are in raw units and have to be adjusted according to the raid factor. This was missing for f_bavail and df reported doubled size for raid1. Reported-by: Martin Steigerwald <Martin@lichtvoll.de> Fixes: ba7b6e62f420 ("btrfs: adjust statfs calculations according to raid profiles") CC: stable@vger.kernel.org Signed-off-by: David Sterba <dsterba@suse.cz> --- fs/btrfs/super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)