Messages in this thread | | | Date | Wed, 23 Oct 2013 03:03:03 -0700 | From | Christoph Hellwig <> | Subject | Re: [PATCH, RFC] what's the point of mtd_inodefs? |
| |
On Wed, Oct 23, 2013 at 07:50:17AM +0200, Richard Weinberger wrote: > On Tue, Oct 22, 2013 at 5:33 PM, Christoph Hellwig <hch@infradead.org> wrote: > > I've been looking at mtdchar as part of a bigger series touching all > > kidns of places and really wonder what the point of mtd_inodefs is. > > As far I can tell it was introduced because of that issue: > http://lists.infradead.org/pipermail/linux-mtd/2010-April/029593.html
Not sure how that issue came up as writeback only ever uses mapping->backing_dev_info for block devices, else it only uses s_bdi to avoid this issue. As pointed out somewhere in that thread the mem driver uses a similar scheme.
| |