On Sat, Sep 08, 2012 at 12:41:15PM -0700, Tejun Heo wrote: > Hello, Kent. > > On Fri, Sep 07, 2012 at 03:59:11PM -0700, Kent Overstreet wrote: > > Random assortment of refactoring and trivial cleanups. > > > > Immutable bio vecs and efficient bio splitting require auditing and removing > > pretty much all bi_idx uses, among other things. > > > > The reason is that with immutable bio vecs we can't use the bvec array > > directly; if we have a partially completed bvec, that'll be indicated with a > > field in struct bvec_iter (which gets embedded in struct bio) - bi_bvec_done. > > > > bio_for_each_segments() will handle this transparently, so code needs to be > > converted to use it or some other generic accessor. > > > > Also, bio splitting means that when a driver gets a bio, bi_idx and > > bi_bvec_done may both be nonzero. Again, just need to use generic accessors. > > There are three pending patchsets and I don't know how they're > supposed to come together. Please explain on which tree the patches > are based and how they stack and preferably provide a git branch. Both of the new ones depend on the block cleanups series, but they shouldn't depend on each other (bar perhaps some trivial merge conflicts in bio.h) Git repo - block_stuff branch on http://evilpiepirate.org/git/linux-bcache.git/ -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
