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Filename Latest commit message Latest commit date
Paolo Valente 8abfa4d6fd block, bfq: remove wrong check in bfq_requests_merged
The request rq passed to the function bfq_requests_merged is always in
a bfq_queue, so the check !RB_EMPTY_NODE(&rq->rb_node) at the
beginning of bfq_requests_merged always succeeds, and the control
flow systematically skips to the end of the function.  This implies
that the body of the function is never executed, i.e., the
repositioning of rq is never performed.

On the opposite end, a control is missing in the body of the function:
'next' must be removed only if it is inside a bfq_queue.

This commit removes the wrong check on rq, and adds the missing check
on 'next'. In addition, this commit adds comments on
bfq_requests_merged.

Signed-off-by: Filippo Muzzini <filippo.muzzini@outlook.it>
Signed-off-by: Paolo Valente <paolo.valente@linaro.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-05-31 08:48:05 -06:00
arch Remove jsflash driver 2018-05-15 13:56:16 -06:00
block block, bfq: remove wrong check in bfq_requests_merged 2018-05-31 08:48:05 -06:00
certs
crypto
Documentation block: remove BLK_EH_HANDLED 2018-05-29 08:59:21 -06:00
drivers target: convert to bioset_init()/mempool_init() 2018-05-30 15:33:32 -06:00
firmware
fs xfs: convert to bioset_init()/mempool_init() 2018-05-30 15:33:32 -06:00
include block: Drop bioset_create() 2018-05-30 15:33:32 -06:00
init Fix typo in comment. 2018-05-07 05:41:46 -10:00
ipc
kernel block: consistently use GFP_NOIO instead of __GFP_NORECLAIM 2018-05-14 08:55:18 -06:00
lib blk-mq: avoid starving tag allocation after allocating process migrates 2018-05-24 11:00:39 -06:00
LICENSES
mm bdi: Move cgroup bdi_writeback to a dedicated low concurrency workqueue 2018-05-23 15:28:50 -06:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-05-03 18:57:03 -10:00
samples
scripts DeviceTree fixes for 4.17: 2018-05-07 05:33:29 -10:00
security
sound ALSA: pcm: Check PCM state at xfern compat ioctl 2018-05-02 08:54:54 +02:00
tools ACPI fix for 4.17-rc4 2018-05-04 05:43:33 -10:00
usr
virt KVM/arm fixes for 4.17, take #2 2018-05-05 23:05:31 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS block: fix MAINTAINERS email for nbd 2018-05-16 12:40:06 -06:00
Makefile Linux 4.17-rc4 2018-05-06 16:57:38 -10:00
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.
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.