Re: Re: [PATCH] btrfs: Simplify offset calculation method for ctree.h

[sniper]

2009/12/18 Zhaolei <zhaolei@xxxxxxxxxxxxxx>:
> sniper wrote:
>> No, many pointers in btrfs function arguments are not pointing to an
>> absolute address, but relative to the start address of extent.
>> Take following function as example, argument inode_item is an offset
>> value to the beginning of leaf. So we can't reach its member with
>> &inode_item->xxx
>
> Notice that we are not reach its member, we are getting pointer of its
> member with &inode_item->mtime.
> This operation have same effect as old one.

right!
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