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Keith Busch e6f2733f48 nvmet: fix discover log page when offsets are used 
[ Upstream commit d808b7f759 ]

The nvme target hadn't been taking the Get Log Page offset parameter
into consideration, and so has been returning corrupted log pages when
offsets are used. Since many tools, including nvme-cli, split the log
request to 4k, we've been breaking discovery log responses when more
than 3 subsystems exist.

Fix the returned data by internally generating the entire discovery
log page and copying only the requested bytes into the user buffer. The
command log page offset type has been modified to a native __le64 to
make it easier to extract the value from a command.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Tested-by: Minwoo Im <minwoo.im@samsung.com>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-05-10 18:36:11 +02:00
arch xtensa: fix initialization of pt_regs::syscall in start_thread 2019-05-10 18:36:08 +02:00
block blk-mq: introduce blk_mq_complete_request_sync() 2019-05-10 18:36:11 +02:00
certs kbuild: remove redundant target cleaning on failure 2019-01-06 09:46:51 +09:00
crypto crypto: lrw - Fix atomic sleep when walking skcipher 2019-05-02 10:02:44 +02:00
Documentation USB: core: Fix bug caused by duplicate interface PM usage counter 2019-05-08 07:22:45 +02:00
drivers nvmet: fix discover log page when offsets are used 2019-05-10 18:36:11 +02:00
firmware kbuild: change filechk to surround the given command with { } 2019-01-06 09:46:51 +09:00
fs fs: stream_open - opener for stream-like files so that read and write can run simultaneously without deadlock 2019-05-08 07:22:55 +02:00
include nvmet: fix discover log page when offsets are used 2019-05-10 18:36:11 +02:00
init revert "initramfs: cleanup incomplete rootfs" 2019-02-21 09:00:59 -08:00
ipc ipc: IPCMNI limit check for semmni 2018-10-31 08:54:14 -07:00
kernel xdp: fix cpumap redirect SKB creation bug 2019-05-08 07:22:50 +02:00
lib iov_iter: Fix build error without CONFIG_CRYPTO 2019-05-10 18:36:08 +02:00
LICENSES This is a fairly typical cycle for documentation. There's some welcome 2018-10-24 18:01:11 +01:00
mm slab: fix a crash by reading /proc/slab_allocators 2019-05-10 18:36:09 +02:00
net mac80211: Honor SW_CRYPTO_CONTROL for unicast keys in AP VLAN mode 2019-05-08 07:22:59 +02:00
samples samples: mei: use /dev/mei0 instead of /dev/mei 2019-01-30 15:24:45 +01:00
scripts fs: stream_open - opener for stream-like files so that read and write can run simultaneously without deadlock 2019-05-08 07:22:55 +02:00
security KEYS: trusted: fix -Wvarags warning 2019-05-10 18:36:10 +02:00
sound ALSA: hda: Fix racy display power access 2019-05-10 18:36:10 +02:00
tools objtool: Add rewind_stack_do_exit() to the noreturn list 2019-05-10 18:36:09 +02:00
usr user/Makefile: Fix typo and capitalization in comment section 2018-12-11 00:18:03 +09:00
virt KVM: arm/arm64: Fix handling of stage2 huge mappings 2019-05-04 09:21:15 +02:00
.clang-format clang-format: Update .clang-format with the latest for_each macro list 2019-01-19 19:26:06 +01:00
.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: Add support for DT binding schema checks 2018-12-13 09:41:32 -06:00
.mailmap A few early MIPS fixes for 4.21: 2019-01-05 12:48:25 -08:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS CREDITS/MAINTAINERS: Retire parisc-linux.org email domain 2019-02-21 20:16:10 +01:00
Kbuild kbuild: use assignment instead of define ... endef for filechk_* rules 2019-01-06 10:22:35 +09:00
Kconfig kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt 2018-08-02 08:06:55 +09:00
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-24 09:28:26 -08:00
Makefile Linux 5.0.14 2019-05-08 07:23:00 +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.