On Tue 29-09-15 20:04:21, Ross Zwisler wrote: > On Tue, Sep 29, 2015 at 12:44:58PM +1000, Dave Chinner wrote: > <> > > Already testing a kernel with those reverted. My current DAX patch > > stack is (bottom is first commit in stack): > > > > f672ae4 xfs: add ->pfn_mkwrite support for DAX > > 6855c23 xfs: remove DAX complete_unwritten callback > > e074bdf Revert "dax: fix race between simultaneous faults" > > 8ba0157 Revert "mm: take i_mmap_lock in unmap_mapping_range() for DAX" > > a2ce6a5 xfs: DAX does not use IO completion callbacks > > 246c52a xfs: update size during allocation for DAX > > 9d10e7b xfs: Don't use unwritten extents for DAX > > eaef807 xfs: factor out sector mapping. > > e7f2d50 xfs: introduce per-inode DAX enablement > > Dave, would you be willing to share these patches with me, even if they are > just RFC? I'm working through how to add equivalent support in both ext2 and > ext4, and a conceptual example in XFS would be really helpful. > > Eric and Jan, if you guys have any spare cycles to help with the ext2/ext4 > bits, I certainly wouldn't say no. :) I'm sorry for being slow but I was on vacation or travelling for conferences the whole September (still at a conference now ;) so I'm in mostly just catching up with what's going on... But I can help with making necessary changes to ext4 to make DAX reliable there. Honza -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html