Hello, this is the third revision of my patches to convert ext4 DAX IO paths to the new iomap framework and removes the old bh-based DAX functions. As a result ext4 gains PMD page fault support, also some other minor bugs get fixed. The patch set is based on Ross' DAX PMD page fault support series currently carried in XFS tree [1]. It passes xfstests both in DAX and non-DAX mode - I'd just note that ext4/001 test is failing due to different block layout generated by iomap code (caused by patch "ext4: Avoid split extents for DAX writes"). I'll fix that up in xfstests once patches get into ext4 tree. I have pushed out updated version of these patches including the follow-up DAX patches to: git://get.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git dax for easy testing. Ted, can you pull branch [1] into your tree and apply these patches on top of that if nobody has other comments? I'd like to get things prepared for the coming merge window. Changes since v2: * Various smaller fixes based on Ross' review, added his Reviewed-by tags * rebase on top of XFS tree branch Changes since v1: * Changed ext4_iomap_begin() and ext4_iomap_end() to not keep transaction handle running between these two functions as that causes lock ordering issues. Honza [1] git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs.git dax-4.10-iomap-pmd -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
