Hi,
On Tue, 2003-06-17 at 21:19, Andrew Morton wrote:
> It works out OK in 2.5, and we should do it this way in 2.4 too:
>
> - dentry_open() checks for inode->i_mapping->a_ops->direct_IO
>
> - setfl() checks for inode->i_mapping->a_ops->direct_IO
>
> - the a_ops for data-journalled inodes have a null ->direct_IO.
That's what the -aa patches do, and I've got those queued in my local
O_DIRECT stuff already. ext3 will just expose a different a_ops for
data-journaled files.
Cheers,
Stephen
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