On Sat, Aug 17, 2019 at 03:31:03PM -0400, Eric Whitney wrote: > The goal of this patch is to remove two references to the buffer delay > bit in ext4_da_page_release_reservation() as part of a larger effort > to remove all such references from ext4. These two references are > principally used to reduce the reserved block/cluster count when pages > are invalidated as a result of truncating, punching holes, or > collapsing a block range in a file. The entire function is removed > and replaced with code in ext4_es_remove_extent() that reduces the > reserved count as a side effect of removing a block range from delayed > and not unwritten extents in the extent status tree as is done when > truncating, punching holes, or collapsing ranges. > > The code is written to minimize the number of searches descending from > rb tree roots for scalability. > > Signed-off-by: Eric Whitney <enwlinux@xxxxxxxxx> Thanks, applied. - Ted
