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Jens Axboe 7951e36ac6 net: pass back whether socket was empty post accept
This adds an 'is_empty' argument to struct proto_accept_arg, which can
be used to pass back information on whether or not the given socket has
more connections to accept post the one just accepted.

To utilize this information, the caller should initialize the 'is_empty'
field to, eg, -1 and then check for 0/1 after the accept. If the field
has been set, the caller knows whether there are more pending connections
or not. If the field remains -1 after the accept call, the protocol
doesn't support passing back this information.

This patch wires it up for ipv4/6 TCP.

Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-05-13 18:19:20 -06:00
arch Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-05-09 10:01:01 -07:00
block block-6.9-20240510 2024-05-10 10:24:16 -07:00
certs This update includes the following changes: 2023-11-02 16:15:30 -10:00
crypto net: change proto and proto_ops accept type 2024-05-13 18:19:09 -06:00
Documentation Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-05-09 10:01:01 -07:00
drivers net: change proto and proto_ops accept type 2024-05-13 18:19:09 -06:00
fs net: change proto and proto_ops accept type 2024-05-13 18:19:09 -06:00
include net: pass back whether socket was empty post accept 2024-05-13 18:19:20 -06:00
init Rust fixes for v6.9 2024-04-27 12:11:55 -07:00
io_uring net: have do_accept() take a struct proto_accept_arg argument 2024-05-13 18:19:19 -06:00
ipc sysctl: treewide: constify ctl_table_header::ctl_table_arg 2024-04-22 08:56:31 +01:00
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next into net-accept-more 2024-05-11 08:25:55 -06:00
lib Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next into net-accept-more 2024-05-11 08:25:55 -06:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm Merge branch 'for-6.10/io_uring' into net-accept-more 2024-05-11 08:25:50 -06:00
net net: pass back whether socket was empty post accept 2024-05-13 18:19:20 -06:00
rust rust: remove params from module macro example 2024-04-25 17:34:33 +02:00
samples Tracing updates for 6.9: 2024-03-18 15:11:44 -07:00
scripts Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-05-02 12:06:25 -07:00
security security: Place security_path_post_mknod() where the original IMA call was 2024-04-03 10:21:32 -07:00
sound ALSA: hda/realtek: Fix build error without CONFIG_PM 2024-05-02 08:25:06 +02:00
tools Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next into net-accept-more 2024-05-11 08:25:55 -06:00
usr Kbuild updates for v6.8 2024-01-18 17:57:07 -08:00
virt KVM: Drop unused @may_block param from gfn_to_pfn_cache_invalidate_start() 2024-04-11 12:58:53 -07:00
.clang-format clang-format: Update with v6.7-rc4's for_each macro list 2023-12-08 23:54:38 +01:00
.cocciconfig
.editorconfig Add .editorconfig file for basic formatting 2023-12-28 16:22:47 +09:00
.get_maintainer.ignore Add Jeff Kirsher to .get_maintainer.ignore 2024-03-08 11:36:54 +00:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore kbuild: create a list of all built DTB files 2024-02-19 18:20:39 +09:00
.mailmap 18 hotfixes, 7 of which are cc:stable. 2024-05-10 14:16:03 -07:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Drop Gustavo Pimentel as PCI DWC Maintainer 2024-03-27 13:41:02 -05:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next into net-accept-more 2024-05-11 08:25:55 -06:00
Makefile Linux 6.9-rc7 2024-05-05 14:06:01 -07:00
README README: Fix spelling 2024-03-18 03:36:32 -06:00

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 reStructuredText 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.