[GIT PULL] fscache: Miscellaneous fixes

[GIT PULL] fscache: Miscellaneous fixes

[David Howells]

Hi Linus,

Could you pull these fscache/cachefiles fixes please?

 (1) Fix a check in fscache_wait_on_volume_collision() in which the
     polarity is reversed.  It should complain if a volume is still marked
     acquisition-pending after 20s, but instead complains if the mark has
     been cleared (ie. the condition has cleared).

     Also switch an open-coded test of the ACQUIRE_PENDING volume flag to
     use the helper function for consistency.

 (2) Not a fix per se, but neaten the code by using a helper to check for
     the DROPPED state.

 (3) Fix cachefiles's support for erofs to only flush requests associated
     with a released control file, not all requests.

 (4) Fix a race between one process invalidating an object in the cache and
     another process trying to look it up.

Thanks,
David
---
The following changes since commit 03c765b0e3b4cb5063276b086c76f7a612856a9a:

  Linux 5.19-rc4 (2022-06-26 14:22:10 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git tags/fscache-fixes-20220708

for you to fetch changes up to 85e4ea1049c70fb99de5c6057e835d151fb647da:

  fscache: Fix invalidation/lookup race (2022-07-05 16:12:55 +0100)

----------------------------------------------------------------
fscache fixes

----------------------------------------------------------------
David Howells (1):
      fscache: Fix invalidation/lookup race

Jia Zhu (1):
      cachefiles: narrow the scope of flushed requests when releasing fd

Yue Hu (2):
      fscache: Fix if condition in fscache_wait_on_volume_collision()
      fscache: Introduce fscache_cookie_is_dropped()

 fs/cachefiles/ondemand.c |  3 ++-
 fs/fscache/cookie.c      | 26 ++++++++++++++++++++++----
 fs/fscache/volume.c      |  4 ++--
 include/linux/fscache.h  |  1 +
 4 files changed, 27 insertions(+), 7 deletions(-)

Re: [GIT PULL] fscache: Miscellaneous fixes

[pr-tracker-bot]

The pull request you sent on Fri, 08 Jul 2022 22:32:31 +0100:

> git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git tags/fscache-fixes-20220708

has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/e5524c2a1fc4002a52e16236659e779767617a4f

Thank you!

-- 
Deet-doot-dot, I am a bot.
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Re: [GIT PULL] fscache: Miscellaneous fixes

[pr-tracker-bot]

The pull request you sent on Wed, 13 Apr 2022 16:34:57 +0100:

> git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git tags/fscache-fixes-20220413

has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/ec9c57a7328b178918aa3124f989060bc5624a3f

Thank you!

-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/prtracker.html

[GIT PULL] fscache: Miscellaneous fixes

[David Howells]

Hi Linus,

Here's a collection of fscache and cachefiles fixes and misc small
cleanups.  The two main fixes are:

 (1) Add a missing unmark of the inode in-use mark in an error path.

 (2) Fix a KASAN slab-out-of-bounds error when setting the xattr on a
     cachefiles volume due to the wrong length being given to memcpy().

In addition, there's the removal of an unused parameter, removal of an
unused Kconfig option, conditionalising a bit of procfs-related stuff and
some doc fixes.

David

Link: https://lore.kernel.org/r/164945915630.773423.14655306154231712324.stgit@warthog.procyon.org.uk/

---
The following changes since commit 42e7a03d3badebd4e70aea5362d6914dfc7c220b:

  Merge tag 'hyperv-fixes-signed-20220407' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux (2022-04-07 06:35:34 -1000)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git tags/fscache-fixes-20220413

for you to fetch changes up to 61132ceeda723d2c48cbc2610ca3213a7fcb083b:

  fscache: remove FSCACHE_OLD_API Kconfig option (2022-04-08 23:54:37 +0100)

----------------------------------------------------------------
fscache fixes

----------------------------------------------------------------
Dave Wysochanski (1):
      cachefiles: Fix KASAN slab-out-of-bounds in cachefiles_set_volume_xattr

Jeffle Xu (1):
      cachefiles: unmark inode in use in error path

Yue Hu (6):
      docs: filesystems: caching/backend-api.rst: correct two relinquish APIs use
      docs: filesystems: caching/backend-api.rst: fix an object withdrawn API
      fscache: Remove the cookie parameter from fscache_clear_page_bits()
      fscache: Move fscache_cookies_seq_ops specific code under CONFIG_PROC_FS
      fscache: Use wrapper fscache_set_cache_state() directly when relinquishing
      fscache: remove FSCACHE_OLD_API Kconfig option

 Documentation/filesystems/caching/backend-api.rst |  8 +++---
 Documentation/filesystems/caching/netfs-api.rst   | 25 +++++++++--------
 fs/afs/write.c                                    |  3 +--
 fs/cachefiles/namei.c                             | 33 ++++++++++++++++-------
 fs/cachefiles/xattr.c                             |  2 +-
 fs/fscache/Kconfig                                |  3 ---
 fs/fscache/cache.c                                |  2 +-
 fs/fscache/cookie.c                               |  4 ++-
 fs/fscache/internal.h                             |  4 +++
 fs/fscache/io.c                                   |  5 ++--
 include/linux/fscache.h                           |  4 +--
 11 files changed, 53 insertions(+), 40 deletions(-)