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Ming Lei 7f1ba7ee94 block: add helper for checking if queue is registered 
commit 58c898ba370e68d39470cd0d932b524682c1f9be upstream.

There are 4 users which check if queue is registered, so add one helper
to check it.

Cc: Christoph Hellwig <hch@infradead.org>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-04 09:39:29 +01:00
arch
arm64: tegra: Add power-domain for Tegra210 HDA
2021-03-04 09:39:29 +01:00
block
block: add helper for checking if queue is registered
2021-03-04 09:39:29 +01:00
certs
export.h: remove VMLINUX_SYMBOL() and VMLINUX_SYMBOL_STR()
2018-08-22 23:21:44 +09:00
crypto
crypto: ecdh - avoid buffer overflow in ecdh_set_secret()
2021-01-12 20:10:20 +01:00
Documentation
dm integrity: conditionally disable "recalculate" feature
2021-01-30 13:32:13 +01:00
drivers
usb: quirks: add quirk to start video capture on ELMO L-12F document camera reliable
2021-03-04 09:39:29 +01:00
firmware
Fix built-in early-load Intel microcode alignment
2020-01-23 08:21:29 +01:00
fs
ntfs: check for valid standard information attribute
2021-03-04 09:39:29 +01:00
include
block: add helper for checking if queue is registered
2021-03-04 09:39:29 +01:00
init
fgraph: Initialize tracing_graph_pause at task creation
2021-02-13 13:51:13 +01:00
ipc
ipc/util.c: sysvipc_find_ipc() incorrectly updates position index
2020-05-20 08:18:40 +02:00
kernel
bpf: Check for integer overflow when using roundup_pow_of_two()
2021-02-23 15:00:57 +01:00
lib
lib/string: Add strscpy_pad() function
2021-02-13 13:51:15 +01:00
LICENSES
LICENSES: Remove CC-BY-SA-4.0 license text
2018-10-18 11:28:50 +02:00
mm
memcg: fix a crash in wb_workfn when a device disappears
2021-02-13 13:51:15 +01:00
net
net: qrtr: Fix port ID for control messages
2021-02-23 15:00:59 +01:00
samples
samples: bpf: Fix lwt_len_hist reusing previous BPF map
2020-12-30 11:25:57 +01:00
scripts
scripts: set proper OpenSSL include dir also for sign-file
2021-03-04 09:39:29 +01:00
security
cap: fix conversions on getxattr
2021-02-23 15:00:56 +01:00
sound
ALSA: hda/via: Apply the workaround generically for Clevo machines
2021-02-03 23:23:24 +01:00
tools
objtool: Don't fail on missing symbol table
2021-02-07 14:48:38 +01:00
usr
initramfs: restore default compression behavior
2020-04-13 10:44:59 +02:00
virt
kvm: check tlbs_dirty directly
2021-02-23 15:01:00 +01:00
.clang-format
clang-format: Set IndentWrappedFunctionNames false
2018-08-01 18:38:51 +02:00
.cocciconfig
…
.get_maintainer.ignore
…
.gitattributes
.gitattributes: set git diff driver for C source code files
2016-10-07 18:46:30 -07:00
.gitignore
Kbuild updates for v4.17 (2nd)
2018-04-15 17:21:30 -07:00
.mailmap
libnvdimm-for-4.19_misc
2018-08-25 18:13:10 -07:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
9p: remove Ron Minnich from MAINTAINERS
2018-08-17 16:20:26 -07:00
Kbuild
Kbuild updates for v4.15
2017-11-17 17:45:29 -08:00
Kconfig
kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt
2018-08-02 08:06:55 +09:00
MAINTAINERS
Documentation/llvm: add documentation on building w/ Clang/LLVM
2020-09-26 18:01:31 +02:00
Makefile
Linux 4.19.177
2021-02-23 15:01:00 +01:00
README
Docs: Added a pointer to the formatted docs to README
2018-03-21 09:02:53 -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 Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

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.
Description
No description provided
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