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Filename Latest commit message Latest commit date
Omar Sandoval 522a777566 block: consolidate struct request timestamp fields
Currently, struct request has four timestamp fields:

- A start time, set at get_request time, in jiffies, used for iostats
- An I/O start time, set at start_request time, in ktime nanoseconds,
  used for blk-stats (i.e., wbt, kyber, hybrid polling)
- Another start time and another I/O start time, used for cfq and bfq

These can all be consolidated into one start time and one I/O start
time, both in ktime nanoseconds, shaving off up to 16 bytes from struct
request depending on the kernel config.

Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-05-09 08:33:09 -06:00
arch KVM fixes for v4.17-rc4 2018-05-06 05:46:29 -10:00
block block: consolidate struct request timestamp fields 2018-05-09 08:33:09 -06:00
certs
crypto
Documentation DeviceTree fixes for 4.17: 2018-05-07 05:33:29 -10:00
drivers block: consolidate struct request timestamp fields 2018-05-09 08:33:09 -06:00
firmware
fs First pull request for 4.17-rc 2018-05-04 20:51:10 -10:00
include block: consolidate struct request timestamp fields 2018-05-09 08:33:09 -06:00
init Fix typo in comment. 2018-05-07 05:41:46 -10:00
ipc
kernel Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-05-06 05:35:23 -10:00
lib
LICENSES
mm for-linus-20180504 2018-05-04 20:41:44 -10:00
net
samples
scripts DeviceTree fixes for 4.17: 2018-05-07 05:33:29 -10:00
security
sound
tools
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 Kbuild fixes for v4.17 2018-05-04 21:15:25 -10:00
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.