On Fri, Jan 11 2019 at 9:25am -0500, Mike Snitzer <snitzer@xxxxxxxxxx> wrote: > On Fri, Jan 11 2019 at 9:08am -0500, > Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > > 4.4-stable review patch. If anyone has any objections, please let me know. > > > > ------------------ > > > > From: Ming Lei <ming.lei@xxxxxxxxxx> > > > > commit 744889b7cbb56a64f957e65ade7cb65fe3f35714 upstream. > > Hi Greg, > > Please also pick up this commit: > 89f5fa47476eda56402e29fff3c5097f5c2a1e19 ("dm: call blk_queue_split() to > impose device limits on bios") > > Thanks, > Mike But.. looking closer, since you're backporting to 4.4, to even have DM be able to use bio_split() you'll need these 3 commits too: 18a25da84354c6bb655320de6072c00eda6eb602 ("dm: ensure bio submission follows a depth-first tree walk") 8dd601fa8317243be887458c49f6c29c2f3d719f ("dm: correctly handle chained bios in dec_pending()") f21c601a2bb319ec19eb4562eadc7797d90fd90e ("dm: use bio_split() when splitting out the already processed bio") Mike