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Filename Latest commit message Latest commit date
Omar Sandoval a7c5437b0b debugfs: add debugfs_lookup()
We don't always have easy access to the dentry of a file or directory we
created in debugfs. Add a helper which allows us to get a dentry we
previously created.

The motivation for this change is a problem with blktrace and the blk-mq
debugfs entries introduced in 07e4fead45 ("blk-mq: create debugfs
directory tree"). Namely, in some cases, the directory that blktrace
needs to create may already exist, but in other cases, it may not. We
_could_ rely on a bunch of implied knowledge to decide whether to create
the directory or not, but it's much cleaner on our end to just look it
up.

Signed-off-by: Omar Sandoval <osandov@fb.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
2017-02-02 10:20:16 -07:00
arch
block scsi, block: fix duplicate bdi name registration crashes 2017-02-02 08:23:19 -07:00
certs
crypto
Documentation
drivers scsi, block: fix duplicate bdi name registration crashes 2017-02-02 08:23:19 -07:00
firmware
fs debugfs: add debugfs_lookup() 2017-02-02 10:20:16 -07:00
include debugfs: add debugfs_lookup() 2017-02-02 10:20:16 -07:00
init
ipc
kernel block: introduce blk_rq_is_passthrough 2017-01-31 14:00:34 -07:00
lib Merge branch 'for-4.11/block' into for-4.11/rq-refactor 2017-01-27 15:08:31 -07:00
mm block: Dynamically allocate and refcount backing_dev_info 2017-02-02 08:20:50 -07:00
net
samples
scripts
security
sound
tools
usr
virt
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Merge branch 'for-4.11/block' into for-4.11/rq-refactor 2017-01-27 15:08:31 -07:00
Makefile
README

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

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.