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Yu Kuai 6d85ebf95c blk-sysfs: add a new attr_group for blk_mq
Currently wbt sysfs entry is created for bio based device, and wbt can
be enabled for such device through sysfs while it doesn't make sense
because wbt can only work for rq based device. In the meantime, there
are other similar sysfs entries.

Fix this by adding a new attr_group for blk_mq, and sysfs entries will
only be created when the device is rq based.

Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230527010644.647900-6-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-06-26 09:53:36 -06:00
arch block: replace fmode_t with a block-specific type for block open flags 2023-06-12 08:04:05 -06:00
block blk-sysfs: add a new attr_group for blk_mq 2023-06-26 09:53:36 -06:00
certs KEYS: Add missing function documentation 2023-04-24 16:15:52 +03:00
crypto This push fixes the following problems: 2023-05-07 10:57:14 -07:00
Documentation bcache: Remove dead references to cache_readaheads 2023-06-15 07:30:11 -06:00
drivers bcache: Fix bcache device claiming 2023-06-23 16:10:04 -06:00
fs ext4: Fix warning in blkdev_put() 2023-06-23 08:14:41 -06:00
include blk-mq: fix two misuses on RQF_USE_SCHED 2023-06-25 08:01:05 -06:00
init block: move the code to do early boot lookup of block devices to block/ 2023-06-05 10:57:40 -06:00
io_uring for-6.4/io_uring-2023-05-07 2023-05-07 10:00:09 -07:00
ipc Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2023-02-24 19:20:07 -08:00
kernel block: replace fmode_t with a block-specific type for block open flags 2023-06-12 08:04:05 -06:00
lib iov_iter: remove iov_iter_get_pages and iov_iter_get_pages_alloc 2023-06-16 10:08:09 -06:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm block: replace fmode_t with a block-specific type for block open flags 2023-06-12 08:04:05 -06:00
net net: Make sock_splice_read() use copy_splice_read() by default 2023-05-24 08:42:16 -06:00
rust Rust changes for v6.4 2023-04-30 11:20:22 -07:00
samples LoongArch changes for v6.4 2023-05-04 12:40:16 -07:00
scripts Locking changes in v6.4: 2023-05-05 12:56:55 -07:00
security integrity-v6.4 2023-04-29 10:11:32 -07:00
sound sound fixes for 6.4-rc1 2023-05-06 08:07:11 -07:00
tools cxl fixes for v6.4-rc2 2023-05-14 12:32:34 -07:00
usr initramfs: Check negative timestamp to prevent broken cpio archive 2023-04-16 17:37:01 +09:00
virt s390: 2023-05-01 12:06:20 -07:00
.clang-format cxl for v6.4 2023-04-30 11:51:51 -07:00
.cocciconfig
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for *.dtso files 2023-02-26 15:28:23 +09:00
.gitignore linux-kselftest-kunit-6.4-rc1 2023-04-24 12:31:32 -07:00
.mailmap for-6.4/block-2023-05-06 2023-05-06 08:28:58 -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 A handful of late-arriving documentation fixes, plus one Spanish 2023-05-05 13:16:42 -07:00
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 Devicetree binding fixes for v6.4 2023-05-11 09:01:40 -05:00
Makefile Linux 6.4-rc2 2023-05-14 12:51:40 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -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 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.