Re: [dm-devel] [PATCH 1/2] dm log writes: Add support for inline data buffers

2017-10-24 Thread Mike Snitzer
On Fri, Oct 20 2017 at 1:24am -0400, Ross Zwisler wrote: > Currently dm-log-writes supports writing filesystem data via BIOs, and > writing internal metadata from a flat buffer via write_metadata(). > > For DAX writes, though, we won't have a BIO, but will instead

[dm-devel] [PATCH 1/2] dm log writes: Add support for inline data buffers

2017-10-20 Thread Ross Zwisler
Currently dm-log-writes supports writing filesystem data via BIOs, and writing internal metadata from a flat buffer via write_metadata(). For DAX writes, though, we won't have a BIO, but will instead have an iterator that we'll want to use to fill a flat data buffer. So, create