On Tue, Jun 08, 2021 at 02:14:37PM +1000, Dave Chinner wrote: > Hi Darrick, > > As we talked about on IRC, I have (force) updated the branch and tag > containing the buffer cache bulk page allocation series to correct > the errors in the commit metadata. This version correctly attributes > all of Christoph's patches, fixes a couple of minor typos and adds a > missing committer SoB to another of Christoph's patches. There are > no code changes in this update. > > When you next update the for-next branch, can you please pull the > updates from the tag below? Pulled, thanks. --D > > Cheers, > > Dave. > > The following changes since commit d07f6ca923ea0927a1024dfccafc5b53b61cfecc: > > Linux 5.13-rc2 (2021-05-16 15:27:44 -0700) > > are available in the Git repository at: > > git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs.git tags/xfs-buf-bulk-alloc-tag > > for you to fetch changes up to 8bcac7448a942fa4662441a310c97d47cec24310: > > xfs: merge xfs_buf_allocate_memory (2021-06-07 11:50:48 +1000) > > ---------------------------------------------------------------- > xfs: buffer cache bulk page allocation > > This patchset makes use of the new bulk page allocation interface to > reduce the overhead of allocating large numbers of pages in a > loop. > > The first two patches are refactoring buffer memory allocation and > converting the uncached buffer path to use the same page allocation > path, followed by converting the page allocation path to use bulk > allocation. > > The rest of the patches are then consolidation of the page > allocation and freeing code to simplify the code and remove a chunk > of unnecessary abstraction. This is largely based on a series of > changes made by Christoph Hellwig. > > ---------------------------------------------------------------- > Christoph Hellwig (3): > xfs: remove ->b_offset handling for page backed buffers > xfs: simplify the b_page_count calculation > xfs: cleanup error handling in xfs_buf_get_map > > Dave Chinner (7): > xfs: split up xfs_buf_allocate_memory > xfs: use xfs_buf_alloc_pages for uncached buffers > xfs: use alloc_pages_bulk_array() for buffers > xfs: merge _xfs_buf_get_pages() > xfs: move page freeing into _xfs_buf_free_pages() > xfs: get rid of xb_to_gfp() > xfs: merge xfs_buf_allocate_memory > > fs/xfs/libxfs/xfs_ag.c | 1 - > fs/xfs/xfs_buf.c | 305 ++++++++++++++++++++++++++++++++++++++++++++++------------------------------------------------------------------------- > fs/xfs/xfs_buf.h | 3 +- > 3 files changed, 120 insertions(+), 189 deletions(-) > > -- > Dave Chinner > david@xxxxxxxxxxxxx
