Please ignore this patch, it is not based on the new btrfs-next tree.
I'll send the right one as soon as possible.
Thanks
Miao
On thu, 27 Sep 2012 17:09:15 +0800, Miao Xie wrote:
> According to the comment, we can overcommit the space up to 1/2 of the total
> disk space, or we just can overcommit up to 1/8. But the code was written
> reversedly. Fix it.
>
> Signed-off-by: Miao Xie <miaox@xxxxxxxxxxxxxx>
> ---
> This is based on btrfs-next tree.
> ---
> fs/btrfs/extent-tree.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
> index a010234..8a01087 100644
> --- a/fs/btrfs/extent-tree.c
> +++ b/fs/btrfs/extent-tree.c
> @@ -3962,9 +3962,9 @@ again:
> * 1/2 of the space.
> */
> if (flush)
> - avail >>= 3;
> - else
> avail >>= 1;
> + else
> + avail >>= 3;
> spin_unlock(&root->fs_info->free_chunk_lock);
>
> if (used + num_bytes < space_info->total_bytes + avail) {
>
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