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Jan Kara 5af110b2fb block: Unregister bdi on last reference drop
Most users will want to unregister bdi when dropping last reference to a
bdi. Only a few users (like block devices) want to play more complex
tricks with bdi registration and unregistration. So unregister bdi when
the last reference to bdi is dropped and just make sure we don't
unregister the bdi the second time if it is already unregistered.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
2017-04-20 12:09:55 -06:00
arch
block blk-throttle: fix unused variable warning with BLK_DEV_THROTTLING_LOW=n 2017-04-20 09:41:36 -06:00
certs
crypto
Documentation block, bfq: improve responsiveness 2017-04-19 08:30:26 -06:00
drivers ligtnvm: fix double blk_put_queue on same queue 2017-04-20 08:17:47 -06:00
firmware
fs
include bdi: Provide bdi_register_va() and bdi_alloc() 2017-04-20 12:09:55 -06:00
init
ipc
kernel
lib sbitmap: add sbitmap_get_shallow() operation 2017-04-14 14:06:52 -06:00
mm block: Unregister bdi on last reference drop 2017-04-20 12:09:55 -06:00
net net: off by one in inet6_pton() 2017-04-14 14:08:54 -06:00
samples
scripts
security
sound
tools
usr
virt
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
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MAINTAINERS
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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.