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Uday Shankar 6a51abdeb2 nvme-fabrics: fix state check in nvmf_ctlr_matches_baseopts() 
Controller deletion/reset, immediately followed by or concurrent with
a reconnect, is hard failing the connect attempt resulting in a
complete loss of connectivity to the controller.

In the connect request, fabrics looks for an existing controller with
the same address components and aborts the connect if a controller
already exists and the duplicate connect option isn't set. The match
routine filters out controllers that are dead or dying, so they don't
interfere with the new connect request.

When NVME_CTRL_DELETING_NOIO was added, it missed updating the state
filters in the nvmf_ctlr_matches_baseopts() routine. Thus, when in this
new state, it's seen as a live controller and fails the connect request.

Correct by adding the DELETING_NIO state to the match checks.

Fixes: ecca390e80 ("nvme: fix deadlock in disconnect during scan_work and/or ana_work")
Cc: <stable@vger.kernel.org> # v5.7+
Signed-off-by: Uday Shankar <ushankar@purestorage.com>
Reviewed-by: James Smart <jsmart2021@gmail.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-02-03 07:30:57 +01:00
arch powerpc fixes for 5.17 #2 2022-01-23 17:52:42 +02:00
block block: add bio_start_io_acct_time() to control start_time 2022-01-28 12:28:15 -07:00
certs certs: Fix build error when CONFIG_MODULE_SIG_KEY is empty 2022-01-23 00:08:44 +09:00
crypto lib/crypto: add prompts back to crypto libraries 2022-01-18 13:03:55 +01:00
Documentation - A bunch of fixes: forced idle time accounting, utilization values 2022-01-23 17:35:27 +02:00
drivers nvme-fabrics: fix state check in nvmf_ctlr_matches_baseopts() 2022-02-03 07:30:57 +01:00
fs bitmap patches for 5.17-rc1 2022-01-23 06:20:44 +02:00
include block: add bio_start_io_acct_time() to control start_time 2022-01-28 12:28:15 -07:00
init lib/stackdepot: allow optional init and stack_table allocation by kvmalloc() 2022-01-22 08:33:37 +02:00
ipc proc: remove PDE_DATA() completely 2022-01-22 08:33:37 +02:00
kernel powerpc fixes for 5.17 #2 2022-01-23 17:52:42 +02:00
lib blk-mq: Fix wrong wakeup batch configuration which will cause hang 2022-01-27 10:15:32 -07:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm bitmap patches for 5.17-rc1 2022-01-23 06:20:44 +02:00
net bitmap patches for 5.17-rc1 2022-01-23 06:20:44 +02:00
samples Merge branch 'akpm' (patches from Andrew) 2022-01-20 10:41:01 +02:00
scripts Devicetree fixes for v5.17, take 1: 2022-01-22 09:52:17 +02:00
security fs.idmapped.v5.17 2022-01-11 14:26:55 -08:00
sound proc: remove PDE_DATA() completely 2022-01-22 08:33:37 +02:00
tools powerpc fixes for 5.17 #2 2022-01-23 17:52:42 +02:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2022-01-22 21:48:45 +09:00
virt Generic: 2022-01-22 09:40:01 +02:00
.clang-format genirq/msi: Make interrupt allocation less convoluted 2021-12-16 22:22:20 +01:00
.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 .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap RISCV: 2022-01-16 16:15:14 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Removing Ohad from remoteproc/rpmsg maintenance 2021-12-08 10:09:40 -07:00
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 bitmap patches for 5.17-rc1 2022-01-23 06:20:44 +02:00
Makefile Linux 5.17-rc1 2022-01-23 10:12:53 +02:00
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.