Re: [PATCH 03/18] fs: keep inode with backing-dev

Christoph Hellwig
2010-10-08T07:01:55Z

On Fri, Oct 08, 2010 at 04:21:17PM +1100, Dave Chinner wrote:
> From: Nick Piggin <npiggin@suse.de>
>
> Having inode on writeback lists of a different bdi than
> inode->i_mapping->backing_dev_info makes it very difficult to do
> per-bdi locking of the writeback lists. Add functions to move these
> inodes over when the mapping backing dev is changed.
>
> Also, rename i_mapping.backing_dev_info to i_mapping.a_bdi while we're
> here. Succinct is nice, and it catches conversion errors.

NAK. This is fixed by my patch to always use s_bdi for writeback
purposed that hit Linus' tree two days ago.