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Kent Overstreet 4fcdd6ec34 bcachefs: Btree split improvement 
This improves the bkey_format calculation when splitting btree nodes.
Previously, we'd use a format calculated for the original node for the
lower of the two new nodes.

This was particularly bad on sequential insertions, where we iteratively
split the last btree node, whos format has to include KEY_MAX.

Now, we calculate formats precisely for the keys the two new nodes will
contain. This also should make splitting a bit more efficient, since
we're only copying keys once (from the original node to the new node,
instead of new node, replacement node, then upper split).

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22 17:09:46 -04:00
arch
block
certs
crypto
Documentation
drivers
fs bcachefs: Btree split improvement 2023-10-22 17:09:46 -04:00
include bcachefs: Update export_operations for snapshots 2023-10-22 17:09:17 -04:00
init
io_uring
ipc
kernel
lib lib/generic-radix-tree.c: Add peek_prev() 2023-10-19 14:47:33 -04:00
LICENSES
mm
net
rust
samples
scripts
security
sound
tools objtool: Add bcachefs noreturns 2023-10-19 14:58:29 -04:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
.rustfmt.toml
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS MAINTAINERS: Add entry for bcachefs 2023-10-22 17:08:07 -04:00
Makefile
README

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.