Hi Jeff, On 9/14/24 10:07 AM, Jeff Layton wrote: > This is a fairly small update to the v7 set. It seems to pass all of my > testing. Again, most of the changes are in the first two patches, but > there are some differences in the patch that adds percpu counters as > well. > > Since the report of a performance regression came just before the merge > window, it looks like we're going to have to wait for yet another > release, so consider this version v6.13 material. > > Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx> > --- > --- > Jeff Layton (11): > timekeeping: move multigrain timestamp floor handling into timekeeper > fs: add infrastructure for multigrain timestamps > fs: have setattr_copy handle multigrain timestamps appropriately > fs: handle delegated timestamps in setattr_copy_mgtime > fs: tracepoints around multigrain timestamp events > fs: add percpu counters for significant multigrain timestamp events > Documentation: add a new file documenting multigrain timestamps > xfs: switch to multigrain timestamps > ext4: switch to multigrain timestamps > btrfs: convert to multigrain timestamps > tmpfs: add support for multigrain timestamps > > Documentation/filesystems/index.rst | 1 + > Documentation/filesystems/multigrain-ts.rst | 121 ++++++++++++ > fs/attr.c | 60 +++++- > fs/btrfs/file.c | 25 +-- > fs/btrfs/super.c | 3 +- > fs/ext4/super.c | 2 +- > fs/inode.c | 278 +++++++++++++++++++++++++--- > fs/stat.c | 42 ++++- > fs/xfs/libxfs/xfs_trans_inode.c | 6 +- > fs/xfs/xfs_iops.c | 10 +- > fs/xfs/xfs_super.c | 2 +- > include/linux/fs.h | 36 +++- > include/linux/timekeeping.h | 5 + > include/trace/events/timestamp.h | 124 +++++++++++++ > kernel/time/timekeeping.c | 83 +++++++++ > kernel/time/timekeeping_debug.c | 12 ++ > kernel/time/timekeeping_internal.h | 3 + > mm/shmem.c | 2 +- > 18 files changed, 742 insertions(+), 73 deletions(-) > --- > base-commit: da3ea35007d0af457a0afc87e84fddaebc4e0b63 IME it would be better to make this series apply to linux-next-($latest) instead of base mainline Linux. for integration reasons. You can add Tested-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> # documentation bits for all patches if you want to. > change-id: 20240913-mgtime-20c98bcda88e > > Best regards,