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Christoph Hellwig c5db2cfc62 block: call blk_mq_exit_queue from disk_release for never added disks 
To undo the all initialization from blk_mq_init_allocated_queue in case
of a probe failure where add_disk is never called we have to call
blk_mq_exit_queue from put_disk.

This relies on the fact that drivers always call blk_mq_free_tag_set
after calling put_disk in the probe error path if they have a gendisk
at all.

We should be doing this in general, but can't do it for the normal
teardown case (yet) as the tagset can be gone by the time the disk is
released once it was added.  I hope to sort this out properly eventually
but for now this isolated hack will do it.

Fixes: 6f8191fdf4 ("block: simplify disk shutdown")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20220720130541.1323531-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
History 2022-07-21 10:59:02 -06:00
arch um: Use enum req_op where appropriate 2022-07-14 12:14:31 -06:00
block block: call blk_mq_exit_queue from disk_release for never added disks 2022-07-21 10:59:02 -06:00
certs Certs changes 2022-06-21 12:13:53 -05:00
crypto Certs changes 2022-06-21 12:13:53 -05:00
Documentation scsi: core: Remove reserved request time-out handling 2022-07-06 06:33:53 -06:00
drivers ublk: defer disk allocation 2022-07-21 10:52:12 -06:00
fs fs/buffer: Fix the ll_rw_block() kernel-doc header 2022-07-15 13:10:04 -06:00
include ublk: remove UBLK_IO_F_PREFLUSH 2022-07-21 10:52:12 -06:00
init gcc-12: disable '-Warray-bounds' universally for now 2022-06-09 10:11:12 -07:00
ipc These changes update the ipc sysctls so that they are fundamentally 2022-06-03 15:54:57 -07:00
kernel blktrace: Fix the blk_fill_rwbs() kernel-doc header 2022-07-15 13:10:04 -06:00
lib iov: introduce iov_iter_aligned 2022-06-27 06:29:11 -06:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm Minor things, mainly - mailmap updates, MAINTAINERS updates, etc. 2022-06-26 14:00:55 -07:00
net Networking fixes for 5.19-rc4, including fixes from bpf and netfilter. 2022-06-23 09:01:01 -05:00
samples fprobe, samples: Add use_trace option and show hit/missed counter 2022-06-17 21:53:29 +02:00
scripts kbuild: Ignore __this_module in gen_autoksyms.sh 2022-06-26 06:15:05 +09:00
security selinux: free contexts previously transferred in selinux_add_opt() 2022-06-15 21:20:45 -04:00
sound sound fixes for 5.19-rc4 2022-06-23 08:44:00 -05:00
tools tools headers UAPI: Synch KVM's svm.h header with the kernel 2022-06-26 12:32:55 -03:00
usr Not a lot of material this cycle. Many singleton patches against various 2022-05-27 11:22:03 -07:00
virt KVM: x86: disable preemption around the call to kvm_arch_vcpu_{un|}blocking 2022-06-09 10:52:20 -04:00
.clang-format clang-format: Fix space after for_each macros 2022-05-20 19:27:16 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore kbuild: split the second line of *.mod into *.usyms 2022-05-08 03:16:59 +09:00
.mailmap mailmap: add entry for Christian Marangi 2022-06-16 19:11:32 -07:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: replace a Microchip AT91 maintainer 2022-02-09 11:30:01 +01:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS ublk: add a MAINTAINERS entry 2022-07-21 10:52:12 -06:00
Makefile Linux 5.19-rc4 2022-06-26 14:22:10 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -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.

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.