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Nigel Croxon 3670a87ca4 raid5: don't increment read_errors on EILSEQ return 
[ Upstream commit b76b4715eb ]

While MD continues to count read errors returned by the lower layer.
If those errors are -EILSEQ, instead of -EIO, it should NOT increase
the read_errors count.

When RAID6 is set up on dm-integrity target that detects massive
corruption, the leg will be ejected from the array.  Even if the
issue is correctable with a sector re-write and the array has
necessary redundancy to correct it.

The leg is ejected because it runs up the rdev->read_errors beyond
conf->max_nr_stripes.  The return status in dm-drypt when there is
a data integrity error is -EILSEQ (BLK_STS_PROTECTION).

Signed-off-by: Nigel Croxon <ncroxon@redhat.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-10-05 12:48:02 +02:00
arch s390/crypto: xts-aes-s390 fix extra run-time crypto self tests finding 2019-10-05 12:48:01 +02:00
block blk-mq: move cancel of requeue_work to the front of blk_exit_queue 2019-10-05 12:47:37 +02:00
certs Replace magic for trusting the secondary keyring with #define 2018-09-09 19:55:54 +02:00
crypto crypto: chacha20poly1305 - fix atomic sleep when using async algorithm 2019-07-31 07:28:35 +02:00
Documentation x86/CPU/AMD: Clear RDRAND CPUID bit on AMD family 15h/16h 2019-08-29 08:26:43 +02:00
drivers raid5: don't increment read_errors on EILSEQ return 2019-10-05 12:48:02 +02:00
firmware License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fs f2fs: use generic EFSBADCRC/EFSCORRUPTED 2019-10-05 12:47:39 +02:00
include kprobes: Prohibit probing on BUG() and WARN() address 2019-10-05 12:48:01 +02:00
init init: initialize jump labels before command line option parsing 2019-05-16 19:42:23 +02:00
ipc ipc/mqueue.c: only perform resource calculation if user valid 2019-08-06 19:05:24 +02:00
kernel kprobes: Prohibit probing on BUG() and WARN() address 2019-10-05 12:48:01 +02:00
lib test_firmware: fix a memory leak bug 2019-08-16 10:13:55 +02:00
mm mm/zsmalloc.c: fix build when CONFIG_COMPACTION=n 2019-09-06 10:20:51 +02:00
net nfc: enforce CAP_NET_RAW for raw sockets 2019-10-05 12:47:44 +02:00
samples samples, bpf: fix to change the buffer size for read() 2019-07-21 09:04:17 +02:00
scripts scripts/decode_stacktrace: match basepath using shell prefix operator, not regex 2019-09-16 08:20:46 +02:00
security keys: Fix missing null pointer check in request_key_auth_describe() 2019-09-21 07:15:45 +02:00
sound ASoC: dmaengine: Make the pcm->name equal to pcm->id if the name is not set 2019-10-05 12:48:01 +02:00
tools libtraceevent: Change users plugin directory 2019-10-05 12:47:59 +02:00
usr initramfs: fix initramfs rebuilds w/ compression after disabling 2017-11-03 07:39:19 -07:00
virt KVM: coalesced_mmio: add bounds checking 2019-09-21 07:15:28 +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: rpm-pkg: keep spec file until make mrproper 2018-02-13 10:19:46 +01:00
.mailmap .mailmap: Add Maciej W. Rozycki's Imagination e-mail address 2017-11-10 12:16:15 -08:00
COPYING
CREDITS MAINTAINERS: update TPM driver infrastructure changes 2017-11-09 17:58:40 -08:00
Kbuild License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
MAINTAINERS MAINTAINERS: Add Sasha as a stable branch maintainer 2018-12-01 09:42:50 +01:00
Makefile objtool: Query pkg-config for libelf location 2019-10-05 12:47:32 +02:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

README 

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

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.