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Jeff Layton 50e9ceef1d
btrfs: convert to multigrain timestamps
Enable multigrain timestamps, which should ensure that there is an
apparent change to the timestamp whenever it has been written after
being actively observed via getattr.

Beyond enabling the FS_MGTIME flag, this patch eliminates
update_time_for_write, which goes to great pains to avoid in-memory
stores. Just have it overwrite the timestamps unconditionally.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Acked-by: David Sterba <dsterba@suse.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Message-Id: <20230807-mgctime-v7-13-d1dec143a704@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-08-11 09:04:58 +02:00
arch
block
certs
crypto
Documentation
drivers
fs btrfs: convert to multigrain timestamps 2023-08-11 09:04:58 +02:00
include fs: add infrastructure for multigrain timestamps 2023-08-11 09:04:57 +02:00
init
io_uring
ipc mqueue: convert to ctime accessor functions 2023-07-24 10:30:07 +02:00
kernel bpf: convert to ctime accessor functions 2023-07-24 10:30:07 +02:00
lib
LICENSES
mm tmpfs: add support for multigrain timestamps 2023-08-11 09:04:57 +02:00
net sunrpc: convert to ctime accessor functions 2023-07-24 10:30:07 +02:00
rust
samples
scripts
security selinux: convert to ctime accessor functions 2023-07-24 10:30:08 +02:00
sound
tools
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
.rustfmt.toml
COPYING
CREDITS
Kbuild
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MAINTAINERS
Makefile
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.