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Caleb Sander Mateos 82209faa87 ublk: complete command synchronously on error 
[ Upstream commit 603f9be21c ]

In case of an error, ublk's ->uring_cmd() functions currently return
-EIOCBQUEUED and immediately call io_uring_cmd_done(). -EIOCBQUEUED and
io_uring_cmd_done() are intended for asynchronous completions. For
synchronous completions, the ->uring_cmd() function can just return the
negative return code directly. This skips io_uring_cmd_del_cancelable(),
and deferring the completion to task work. So return the error code
directly from __ublk_ch_uring_cmd() and ublk_ctrl_uring_cmd().

Update ublk_ch_uring_cmd_cb(), which currently ignores the return value
from __ublk_ch_uring_cmd(), to call io_uring_cmd_done() for synchronous
completions.

Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Link: https://lore.kernel.org/r/20250225212456.2902549-1-csander@purestorage.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-05-29 11:02:32 +02:00
arch ARM: tegra: Switch DSI-B clock parent to PLLD on Tegra114 2025-05-29 11:02:28 +02:00
block block: mark bounce buffering as incompatible with integrity 2025-05-29 11:02:32 +02:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto crypto: lzo - Fix compression buffer overrun 2025-05-29 11:02:25 +02:00
Documentation hwmon: (dell-smm) Increment the number of fans 2025-05-29 11:02:22 +02:00
drivers ublk: complete command synchronously on error 2025-05-29 11:02:32 +02:00
fs orangefs: Do not truncate file size 2025-05-29 11:02:28 +02:00
include ALSA: hda/realtek: Enable PC beep passthrough for HP EliteBook 855 G7 2025-05-29 11:02:32 +02:00
init rust: clean Rust 1.88.0's unnecessary_transmutes lint 2025-05-18 08:24:51 +02:00
io_uring io_uring/msg: initialise msg request opcode 2025-05-29 11:02:03 +02:00
ipc ipc: fix memleak if msg_init_ns failed in create_ipc_ns 2024-12-05 14:03:02 +01:00
kernel perf/hw_breakpoint: Return EOPNOTSUPP for unsupported breakpoint type 2025-05-29 11:02:32 +02:00
lib crypto: lzo - Fix compression buffer overrun 2025-05-29 11:02:25 +02:00
LICENSES LICENSES: add 0BSD license text 2024-09-01 20:43:24 -07:00
mm mm/page_alloc: fix race condition in unaccepted memory handling 2025-05-22 14:29:52 +02:00
net ipv4: fib: Move fib_valid_key_len() to rtm_to_fib_config(). 2025-05-29 11:02:32 +02:00
rust rust: clean Rust 1.88.0's clippy::uninlined_format_args lint 2025-05-18 08:24:57 +02:00
samples samples/bpf: Fix compilation failure for samples/bpf on LoongArch Fedora 2025-05-29 11:02:01 +02:00
scripts kconfig: do not clear SYMBOL_VALID when reading include/config/auto.conf 2025-05-29 11:02:17 +02:00
security ima: process_measurement() needlessly takes inode_lock() on MAY_READ 2025-05-29 11:02:00 +02:00
sound ALSA: hda/realtek: Enable PC beep passthrough for HP EliteBook 855 G7 2025-05-29 11:02:32 +02:00
tools iommufd: Disallow allocating nested parent domain with fault ID 2025-05-29 11:02:31 +02:00
usr kbuild: hdrcheck: fix cross build with clang 2025-03-13 13:02:18 +01:00
virt KVM: Add member to struct kvm_gfn_range to indicate private/shared 2025-05-22 14:29:36 +02:00
.clang-format clang-format: Update with v6.11-rc1's for_each macro list 2024-08-02 13:20:31 +02:00
.clippy.toml rust: clean Rust 1.88.0's warning about clippy::disallowed_macros configuration 2025-05-18 08:24:51 +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 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 rust: introduce .clippy.toml 2025-03-13 13:01:42 +01:00
.mailmap mailmap: add entry for Thorsten Blum 2024-11-07 14:14:59 -08:00
.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: Remove self from DSA entry 2024-11-03 12:52:38 -08:00
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 MAINTAINERS: Update Alexey Makhalov's email address 2025-05-22 14:29:46 +02:00
Makefile Linux 6.12.30 2025-05-22 14:29:54 +02:00
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.