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Christoph Hellwig 1fc09f2961 nvme: revert the cross-controller atomic write size validation 
This was originally added by commit 8695f060a0 ("nvme: all namespaces
in a subsystem must adhere to a common atomic write size") to check
the all controllers in a subsystem report the same atomic write size,
but the check wasn't quite correct and caused problems for devices
with multiple namespaces that report different LBA sizes.  Commit
f46d273449 ("nvme: fix atomic write size validation") tried to fix
this, but then caused problems for namespace rediscovery after a
format with an LBA size change that changes the AWUPF value.

This drops the validation and essentially reverts those two commits while
keeping the cleanup that went in between the two.  We'll need to figure
out how to properly check for the mouse trap that nvme left us, but for
now revert the check to keep devices working for users who couldn't care
less about the atomic write feature.

Fixes: 8695f060a0 ("nvme: all namespaces in a subsystem must adhere to a common atomic write size")
Fixes: f46d273449 ("nvme: fix atomic write size validation")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alan Adamson <alan.adamson@oracle.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Tested-by: Alan Adamson <alan.adamson@oracle.com>
History 2025-07-15 09:49:13 +02:00
arch Add the CONFIG_X86_NATIVE_CPU=y build option to locally optimize the kernel 2025-05-26 21:41:14 -07:00
block block: fix kobject leak in blk_unregister_queue 2025-07-11 20:39:23 -06:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto This update includes the following changes: 2025-05-26 13:47:28 -07:00
Documentation Documentation: ublk: Separate UBLK_F_AUTO_BUF_REG fallback behavior sublists 2025-06-13 09:25:42 -06:00
drivers nvme: revert the cross-controller atomic write size validation 2025-07-15 09:49:13 +02:00
fs This update includes the following changes: 2025-05-26 13:47:28 -07:00
include block: reject bs > ps block devices when THP is disabled 2025-07-07 11:58:57 -06:00
init Scheduler updates for v6.16: 2025-05-26 15:19:58 -07:00
io_uring Locking changes for v6.16: 2025-05-26 14:42:07 -07:00
ipc VFS: rename lookup_one_len family to lookup_noperm and remove permission check 2025-04-08 11:24:36 +02:00
kernel Performance events updates for v6.16: 2025-05-26 15:40:23 -07:00
lib linux_kselftest-kunit-6.16-rc1 2025-05-26 14:29:44 -07:00
LICENSES LICENSES: add 0BSD license text 2024-09-01 20:43:24 -07:00
mm Locking changes for v6.16: 2025-05-26 14:42:07 -07:00
net vfs-6.16-rc1.coredump 2025-05-26 11:17:01 -07:00
rust RCU pull request for v6.16 2025-05-26 14:20:50 -07:00
samples configfs-for-v6.16 2025-05-26 12:28:55 -07:00
scripts Core x86 updates for v6.16: 2025-05-26 16:04:17 -07:00
security vfs-6.16-rc1.async.dir 2025-05-26 08:02:43 -07:00
sound Core x86 updates for v6.16: 2025-05-26 16:04:17 -07:00
tools selftests: ublk: don't take same backing file for more than one ublk devices 2025-06-24 20:45:31 -06:00
usr usr/include: openrisc: don't HDRTEST bpf_perf_event.h 2025-05-12 15:03:17 +09:00
virt ARM: 2025-04-08 13:47:55 -07:00
.clang-format clang-format: Update the ForEachMacros list for v6.15-rc1 2025-04-13 11:03:59 +02:00
.clippy.toml rust: clean Rust 1.88.0's warning about clippy::disallowed_macros configuration 2025-05-07 00:11:47 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore MAINTAINERS: Retire Ralf Baechle 2024-11-12 15:48:59 +01:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore kbuild: Create intermediate vmlinux build with relocations preserved 2025-03-17 00:29:50 +09:00
.mailmap 22 hotfixes. 13 are cc:stable and the remainder address post-6.14 issues 2025-05-25 07:48:35 -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: update SLAB ALLOCATOR maintainers 2025-04-17 20:10:06 -07:00
Kbuild drm: ensure drm headers are self-contained and pass kernel-doc 2025-02-12 10:44:43 +02:00
Kconfig io_uring: Rename KConfig to Kconfig 2025-02-19 14:53:27 -07:00
MAINTAINERS Core x86 updates for v6.16: 2025-05-26 16:04:17 -07:00
Makefile Linux 6.15 2025-05-25 16:09:23 -07:00
README README: Fix spelling 2024-03-18 03:36:32 -06:00

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 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.