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Linus Torvalds 89594c746b fscache changes and fixes
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Merge tag 'fscache-next-20210829' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

Pull fscache updates from David Howells:
 "Preparatory work for the fscache rewrite that's being worked on and
  fix some bugs. These include:

   - Always select netfs stats when enabling fscache stats since they're
     displayed through the same procfile.

   - Add a cookie debug ID that can be used in tracepoints instead of a
     pointer and cache it in the netfs_cache_resources struct rather
     than in the netfs_read_request struct to make it more available.

   - Use file_inode() in cachefiles rather than dereferencing
     file->f_inode directly.

   - Provide a procfile to display fscache cookies.

   - Remove the fscache and cachefiles histogram procfiles.

   - Remove the fscache object list procfile.

   - Avoid using %p in fscache and cachefiles as the value is hashed and
     not comparable to the register dump in an oops trace.

   - Fix the cookie hash function to actually achieve useful dispersion.

   - Fix fscache_cookie_put() so that it doesn't dereference the cookie
     pointer in the tracepoint after the refcount has been decremented
     (we're only allowed to do that if we decremented it to zero).

   - Use refcount_t rather than atomic_t for the fscache_cookie
     refcount"

* tag 'fscache-next-20210829' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
  fscache: Use refcount_t for the cookie refcount instead of atomic_t
  fscache: Fix fscache_cookie_put() to not deref after dec
  fscache: Fix cookie key hashing
  cachefiles: Change %p in format strings to something else
  fscache: Change %p in format strings to something else
  fscache: Remove the object list procfile
  fscache, cachefiles: Remove the histogram stuff
  fscache: Procfile to display cookies
  fscache: Add a cookie debug ID and use that in traces
  cachefiles: Use file_inode() rather than accessing ->f_inode
  netfs: Move cookie debug ID to struct netfs_cache_resources
  fscache: Select netfs stats if fscache stats are enabled
2021-09-02 09:06:28 -07:00
arch printk changes for 5.15 2021-09-01 18:41:13 -07:00
block for-5.15-tag 2021-08-31 09:41:22 -07:00
certs certs: Add support for using elliptic curve keys for signing modules 2021-08-23 19:55:42 +03:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2021-08-30 12:57:10 -07:00
Documentation Yet another set of documentation changes: 2021-09-01 18:49:47 -07:00
drivers iwlwifi: mvm: add rtnl_lock() in iwl_mvm_start_get_nvm() 2021-09-02 08:55:06 -07:00
fs fscache changes and fixes 2021-09-02 09:06:28 -07:00
include fscache changes and fixes 2021-09-02 09:06:28 -07:00
init printk changes for 5.15 2021-09-01 18:41:13 -07:00
ipc Merge branch 'akpm' (patches from Andrew) 2021-07-02 12:08:10 -07:00
kernel printk changes for 5.15 2021-09-01 18:41:13 -07:00
lib printk changes for 5.15 2021-09-01 18:41:13 -07:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm New code for 5.15: 2021-09-02 08:26:03 -07:00
net TTY / Serial patches for 5.15-rc1 2021-09-01 09:51:16 -07:00
samples Char / Misc driver changes for 5.15-rc1 2021-09-01 08:35:06 -07:00
scripts Yet another set of documentation changes: 2021-09-01 18:49:47 -07:00
security Core: 2021-08-31 16:43:06 -07:00
sound sound updates for 5.15-rc1 2021-09-01 10:29:29 -07:00
tools arm64 updates for 5.15: 2021-09-01 15:04:29 -07:00
usr .gitignore: prefix local generated files with a slash 2021-05-02 00:43:35 +09:00
virt KVM: Do not leak memory for duplicate debugfs directories 2021-08-04 06:02:03 -04:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap mailmap: update email address of Matthias Fuchs and Thomas Körper 2021-08-19 09:39:44 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: move Murali Karicheri to credits 2021-04-29 15:47:30 -07:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Yet another set of documentation changes: 2021-09-01 18:49:47 -07:00
Makefile Linux 5.14 2021-08-29 15:04:50 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.