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Zhengyuan Liu f7b76ac9d1 io_uring: fix counter inc/dec mismatch in async_list 
We could queue a work for each req in defer and link list without
increasing async_list->cnt, so we shouldn't decrease it while exiting
from workqueue as well if we didn't process the req in async list.

Thanks to Jens Axboe <axboe@kernel.dk> for his guidance.

Fixes: 31b5151064 ("io_uring: allow workqueue item to handle multiple buffered requests")
Signed-off-by: Zhengyuan Liu <liuzhengyuan@kylinos.cn>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-07-16 09:55:14 -06:00
arch Merge branch 'i2c/for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2019-07-15 21:10:39 -07:00
block block: Limit zone array allocation size 2019-07-11 20:04:40 -06:00
certs
crypto USB / PHY patches for 5.3-rc1 2019-07-11 15:40:06 -07:00
Documentation for-linus-20190715 2019-07-15 21:20:52 -07:00
drivers ata: libahci_platform: remove redundant dev_err message 2019-07-16 08:27:09 -06:00
fs io_uring: fix counter inc/dec mismatch in async_list 2019-07-16 09:55:14 -06:00
include for-linus-20190715 2019-07-15 21:20:52 -07:00
init Kbuild updates for v5.3 2019-07-12 16:03:16 -07:00
ipc
kernel pci-v5.3-changes 2019-07-15 20:44:49 -07:00
lib 5.3 Merge window RDMA pull request 2019-07-15 20:38:15 -07:00
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mm Revert "Merge branch 'vmwgfx-next' of git://people.freedesktop.org/~thomash/linux into drm-next" 2019-07-16 04:07:13 +10:00
net pci-v5.3-changes 2019-07-15 20:44:49 -07:00
samples Kbuild updates for v5.3 2019-07-12 16:03:16 -07:00
scripts stream_open related bits for Linux 5.3 2019-07-14 17:08:08 -07:00
security Merge branch 'akpm' (patches from Andrew) 2019-07-12 11:40:28 -07:00
sound Driver Core and debugfs changes for 5.3-rc1 2019-07-12 12:24:03 -07:00
tools pci-v5.3-changes 2019-07-15 20:44:49 -07:00
usr
virt ARM: 2019-07-12 15:35:14 -07:00
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Makefile Kbuild updates for v5.3 2019-07-12 16:03:16 -07:00
README

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.