minor, typos in comments s/substract/subtract/
On Wed, Aug 24, 2011 at 02:13:16PM +0800, Li Zefan wrote:
> diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
> index 660a6c8..3351b1b 100644
> --- a/fs/btrfs/ioctl.c
> +++ b/fs/btrfs/ioctl.c
> @@ -2331,14 +2331,21 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
>
> if (type == BTRFS_FILE_EXTENT_REG ||
> type == BTRFS_FILE_EXTENT_PREALLOC) {
> + /*
> + * a | --- range to clone ---| b
> + * | ------------- extent ------------- |
> + */
> +
> + /* substract range b */
...
> + if (key.offset + datal > off + len)
> + datal = off + len - key.offset;
> +
> + /* substract range a */
...
> if (off > key.offset) {
> datao += off - key.offset;
> datal -= off - key.offset;
> }
>
> - if (key.offset + datal > off + len)
> - datal = off + len - key.offset;
> -
> ret = btrfs_drop_extents(trans, inode,
> new_key.offset,
> new_key.offset + datal,
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