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Chengguang Xu 59fed3bf8a ext2: cache NULL when both default_acl and acl are NULL 
default_acl and acl of newly created inode will be initiated as
ACL_NOT_CACHED in vfs function inode_init_always() and later will be
updated by calling xxx_init_acl() in specific filesystems.  However,
when default_acl and acl are NULL, then they keep the value of
ACL_NOT_CACHED. This patch changes the code to cache NULL for acl /
default_acl in this case to save unnecessary ACL lookup in future.

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Signed-off-by: Jan Kara <jack@suse.cz>
2018-09-03 11:05:03 +02:00
arch
Merge tag 'dma-mapping-4.19-2' of git://git.infradead.org/users/hch/dma-mapping
2018-09-02 20:09:36 -07:00
block
block: bsg: move atomic_t ref_count variable to refcount API
2018-08-27 19:17:02 -06:00
certs
export.h: remove VMLINUX_SYMBOL() and VMLINUX_SYMBOL_STR()
2018-08-22 23:21:44 +09:00
crypto
Merge tag 'dmaengine-4.19-rc1' of git://git.infradead.org/users/vkoul/slave-dma
2018-08-18 15:55:59 -07:00
Documentation
Merge tag 'linux-watchdog-4.19-rc2' of git://www.linux-watchdog.org/linux-watchdog
2018-09-01 13:17:15 -07:00
drivers
Merge tag 'dma-mapping-4.19-2' of git://git.infradead.org/users/hch/dma-mapping
2018-09-02 20:09:36 -07:00
firmware
kbuild: remove all dummy assignments to obj-
2017-11-18 11:46:06 +09:00
fs
ext2: cache NULL when both default_acl and acl are NULL
2018-09-03 11:05:03 +02:00
include
Merge tag 'devicetree-fixes-for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
2018-09-02 10:56:01 -07:00
init
Merge tag 'kbuild-v4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2018-08-25 13:40:38 -07:00
ipc
ipc/util.c: update return value of ipc_getref from int to bool
2018-08-22 10:52:52 -07:00
kernel
Merge tag 'dma-mapping-4.19-2' of git://git.infradead.org/users/hch/dma-mapping
2018-09-02 20:09:36 -07:00
lib
Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-09-02 09:41:45 -07:00
LICENSES
LICENSES: Add Linux-OpenIB license text
2018-04-27 16:41:53 -06:00
mm
notifier: Remove notifier header file wherever not used
2018-08-30 12:56:40 +02:00
net
Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-09-02 09:41:45 -07:00
samples
samples/bpf: all XDP samples should unload xdp/bpf prog on SIGTERM
2018-08-16 21:55:32 +02:00
scripts
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-09-02 10:11:30 -07:00
security
Merge tag 'apparmor-pr-2018-08-23' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor
2018-08-24 13:00:33 -07:00
sound
Merge branch 'akpm' (patches from Andrew)
2018-08-23 19:20:12 -07:00
tools
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2018-08-27 11:59:39 -07:00
usr
initramfs: move gen_initramfs_list.sh from scripts/ to usr/
2018-08-22 23:21:44 +09:00
virt
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2018-08-22 13:52:44 -07:00
.clang-format
clang-format: Set IndentWrappedFunctionNames false
2018-08-01 18:38:51 +02:00
.cocciconfig
scripts: add Linux .cocciconfig for coccinelle
2016-07-22 12:13:39 +02:00
.get_maintainer.ignore
Add hch to .get_maintainer.ignore
2015-08-21 14:30:10 -07:00
.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
Merge tag 'libnvdimm-for-4.19_misc' of gitolite.kernel.org:pub/scm/linux/kernel/git/nvdimm/nvdimm
2018-08-25 18:13:10 -07:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
9p: remove Ron Minnich from MAINTAINERS
2018-08-17 16:20:26 -07:00
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
Fix up libata MAINTAINERS entry
2018-08-27 08:07:25 -07:00
Makefile
Linux 4.19-rc2
2018-09-02 14:37:30 -07:00
README
Docs: Added a pointer to the formatted docs to README
2018-03-21 09:02:53 -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.
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.
Description
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