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Wong" , Theodore Ts'o , Andreas Dilger , Chris Mason , Josef Bacik , David Sterba , Hugh Dickins , Andrew Morton , Chuck Lever , Vadim Fedorenko Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-xfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-nfs@vger.kernel.org, linux-mm@kvack.org References: <20240914-mgtime-v8-0-5bd872330bed@kernel.org> Content-Language: en-US From: Randy Dunlap In-Reply-To: <20240914-mgtime-v8-0-5bd872330bed@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: E3A0140005 X-Stat-Signature: rzih5stzkxu8ofarje3fu3ubw53zq9c6 X-HE-Tag: 1727369986-961887 X-HE-Meta: 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 Ny4H3I6Y Knp9wY+eEbxJBEOyfzPs/HxZMDyNiAemhG0jSzynuvPaLrxqzZygG8bVw5H9ZvO1XOJ/mW2DVVrwXlhrB+2GD9hD0IrC5081VgNKEueDNPp2B7XTWEZCScMqn6dhgiAno+FB3izQDZNAi6APx5vdf+ZWcrvB+ZEog1SxT+TEHb0eyFV7A5HT5t39CQlCSv4uPS/sXaHvYCDuCh+iIO9xQVKIZmz2Z5UVkO4LSt300kFRPX7d4KXRI5cW5+d89IOzRTnANz6c/7Aw/5SMBFZWCHLFE3r3pzTGEX+Yf4XvLCUd+RnWdMPnB7uhjtwbjBTO3ZSZHbhjbl4eRGKqngbL38OQ6Lf4SMnafOIJb9VDoEVvEhLE= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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 > --- > --- > 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 # documentation bits for all patches if you want to. > change-id: 20240913-mgtime-20c98bcda88e > > Best regards,