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Anton Ivanov 50109b5a03 um: Add support for DISCARD in the UBD Driver 
Support for DISCARD and WRITE_ZEROES in the ubd driver using
fallocate.

DISCARD is enabled by default and can be disabled using a new
UBD command line flag.

If the underlying fs on which the UBD image is stored does not
support DISCARD the support for both DISCARD and WRITE_ZEROES
is turned off.

Signed-off-by: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2018-12-27 22:48:20 +01:00
arch
um: Add support for DISCARD in the UBD Driver
2018-12-27 22:48:20 +01:00
block
block: Fix null_blk_zoned creation failure with small number of zones
2018-12-11 16:19:38 -07:00
certs
export.h: remove VMLINUX_SYMBOL() and VMLINUX_SYMBOL_STR()
2018-08-22 23:21:44 +09:00
crypto
crypto: user - Disable statistics interface
2018-12-07 13:56:08 +08:00
Documentation
Merge tag 'xarray-4.20-rc7' of git://git.infradead.org/users/willy/linux-dax
2018-12-13 16:35:58 -08:00
drivers
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2018-12-22 15:03:00 -08:00
firmware
kbuild: remove all dummy assignments to obj-
2017-11-18 11:46:06 +09:00
fs
Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2018-12-23 10:40:41 -08:00
include
Merge tag 'compiler-attributes-for-linus-v4.20' of https://github.com/ojeda/linux
2018-12-22 14:29:21 -08:00
init
psi: fix reference to kernel commandline enable
2018-12-14 15:05:45 -08:00
ipc
ipc: IPCMNI limit check for semmni
2018-10-31 08:54:14 -07:00
kernel
fork,memcg: fix crash in free_thread_stack on memcg charge fail
2018-12-21 14:51:18 -08:00
lib
XArray: Fix xa_alloc when id exceeds max
2018-12-13 14:07:33 -05:00
LICENSES
Merge tag 'docs-4.20' of git://git.lwn.net/linux
2018-10-24 18:01:11 +01:00
mm
mm, page_alloc: fix has_unmovable_pages for HugePages
2018-12-21 14:51:18 -08:00
net
tls: Do not call sk_memcopy_from_iter with zero length
2018-12-21 10:26:54 -08:00
samples
Merge tag 'vfio-v4.20-rc1.v2' of git://github.com/awilliam/linux-vfio
2018-10-31 11:01:38 -07:00
scripts
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-12-21 09:22:24 -08:00
security
ima: cleanup the match_token policy code
2018-12-17 16:31:28 -08:00
sound
ALSA: hda/realtek: Enable audio jacks of ASUS UX433FN/UX333FA with ALC294
2018-12-10 11:25:22 +01:00
tools
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2018-12-19 23:34:33 -08:00
usr
initramfs: move gen_initramfs_list.sh from scripts/ to usr/
2018-08-22 23:21:44 +09:00
virt
KVM: fix unregistering coalesced mmio zone from wrong bus
2018-12-18 22:07:25 +01:00
.clang-format
page cache: Convert find_get_pages_contig to XArray
2018-10-21 10:46:34 -04:00
.cocciconfig
…
.get_maintainer.ignore
…
.gitattributes
.gitattributes: set git diff driver for C source code files
2016-10-07 18:46:30 -07:00
.gitignore
Merge tag 'kbuild-v4.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2018-04-15 17:21:30 -07:00
.mailmap
mailmap: Update email for Punit Agrawal
2018-11-05 10:02:11 +00:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
MAINTAINERS: update entry for MMP platform
2018-12-03 12:39:57 -08:00
Kbuild
Merge tag 'kbuild-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2017-11-17 17:45:29 -08:00
Kconfig
kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt
2018-08-02 08:06:55 +09:00
MAINTAINERS
um: Update maintainers file entry
2018-12-27 22:44:39 +01:00
Makefile
Linux 4.20
2018-12-23 15:55:59 -08:00
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.
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