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Filename Latest commit message Latest commit date
Damien Le Moal a2d6b3a2d3 block: Improve zone reset execution
There is no need to synchronously execute all REQ_OP_ZONE_RESET BIOs
necessary to reset a range of zones. Similarly to what is done for
discard BIOs in blk-lib.c, all zone reset BIOs can be chained and
executed asynchronously and a synchronous call done only for the last
BIO of the chain.

Modify blkdev_reset_zones() to operate similarly to
blkdev_issue_discard() using the next_bio() helper for chaining BIOs. To
avoid code duplication of that function in blk_zoned.c, rename
next_bio() into blk_next_bio() and declare it as a block internal
function in blk.h.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-10-25 11:17:40 -06:00
arch pci-v4.20-changes 2018-10-25 06:50:48 -07:00
block block: Improve zone reset execution 2018-10-25 11:17:40 -06:00
certs
crypto
Documentation sound updates for 4.20 2018-10-25 09:00:15 -07:00
drivers block: Introduce blkdev_nr_zones() helper 2018-10-25 11:17:40 -06:00
firmware
fs Further restructure ext4 documentation; fix up ext4's delayed 2018-10-24 17:42:24 +01:00
include block: Introduce BLKGETNRZONES ioctl 2018-10-25 11:17:40 -06:00
init
ipc Merge branch 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2018-10-24 11:22:39 +01:00
kernel Merge branch 'next-general' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2018-10-24 11:49:35 +01:00
lib This is a fairly typical cycle for documentation. There's some welcome 2018-10-24 18:01:11 +01:00
LICENSES This is a fairly typical cycle for documentation. There's some welcome 2018-10-24 18:01:11 +01:00
mm Merge branch 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2018-10-24 11:22:39 +01:00
net This is a fairly typical cycle for documentation. There's some welcome 2018-10-24 18:01:11 +01:00
samples
scripts This is a fairly typical cycle for documentation. There's some welcome 2018-10-24 18:01:11 +01:00
security Merge branch 'next-general' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2018-10-24 11:49:35 +01:00
sound sound updates for 4.20 2018-10-25 09:00:15 -07:00
tools pci-v4.20-changes 2018-10-25 06:50:48 -07:00
usr
virt Merge branch 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2018-10-24 11:22:39 +01:00
.clang-format
.cocciconfig
.get_maintainer.ignore
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COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS sound updates for 4.20 2018-10-25 09:00:15 -07:00
Makefile
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.