On Wed, Jan 16, 2013 at 08:04:56PM +0800, Zheng Liu wrote:
> Yeah, it allows us to skip to the next data/hole directly if the extents
> interface is used. But if we do that, we will need to handle
> extent-based file and indirect-based file resptively like this.
>
> if (inode->i_flags & EXT4_EXTENTS_FL) {
> ext2fs_file_ext_llseek_data();
> ...
> } else {
> ext2fs_file_ind_llseek_data();
> ...
> }
>
> I am not sure whether it is too complicated or not for us. What do you
> think?
I'm not too worried about the performance issues for debugfs. But for
clients who are accessing ext[234] using libext2fs and FUSE, they
would probably notice in at least some circumstances. I'm not that
worried about the complexity, but it's also not a high priority thing,
either --- it's a "nice to have", not a "must have".
Regards,
- Ted
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