Re: [PATCH v4 5/9] Documentation: add a new file documenting multigrain timestamps
From: Randy Dunlap <hidden>
Date: 2024-07-09 23:51:01
Also in:
linux-btrfs, linux-doc, linux-ext4, linux-fsdevel, linux-mm, linux-nfs, linux-xfs, lkml
On 7/8/24 8:53 AM, Jeff Layton wrote:
quoted hunk ↗ jump to hunk
Add a high-level document that describes how multigrain timestamps work, rationale for them, and some info about implementation and tradeoffs. Signed-off-by: Jeff Layton <jlayton@kernel.org> --- Documentation/filesystems/multigrain-ts.rst | 120 ++++++++++++++++++++++++++++ 1 file changed, 120 insertions(+)diff --git a/Documentation/filesystems/multigrain-ts.rst b/Documentation/filesystems/multigrain-ts.rst new file mode 100644 index 000000000000..e4f52a9e3c51 --- /dev/null +++ b/Documentation/filesystems/multigrain-ts.rst@@ -0,0 +1,120 @@
+Inode Timestamp Ordering +======================== + +In addition just providing info about changes to individual files, file
In addition to just
+timestamps also serve an important purpose in applications like "make". These +programs measure timestamps in order to determine whether source files might be +newer than cached objects.