linux-kernel - [GIT PULL] Ceph updates for 5.18-rc1

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Message-Id: <20220324172554.12797-1-idryomov@gmail.com>
Date:   Thu, 24 Mar 2022 18:25:54 +0100
From:   Ilya Dryomov <idryomov@...il.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     ceph-devel@...r.kernel.org, linux-kernel@...r.kernel.org,
        David Howells <dhowells@...hat.com>
Subject: [GIT PULL] Ceph updates for 5.18-rc1

Hi Linus,

The following changes since commit 7e57714cd0ad2d5bb90e50b5096a0e671dec1ef3:

  Linux 5.17-rc6 (2022-02-27 14:36:33 -0800)

are available in the Git repository at:

  https://github.com/ceph/ceph-client.git tags/ceph-for-5.18-rc1

for you to fetch changes up to f639d9867eea647005dc824e0e24f39ffc50d4e4:

  ceph: fix memory leak in ceph_readdir when note_last_dentry returns error (2022-03-21 13:35:16 +0100)

----------------------------------------------------------------
The highlights are:

- several changes to how snap context and snap realms are tracked
  (Xiubo Li).  In particular, this should resolve a long-standing
  issue of high kworker CPU usage and various stalls caused by
  needless iteration over all inodes in the snap realm.

- async create fixes to address hangs in some edge cases (Jeff Layton)

- support for getvxattr MDS op for querying server-side xattrs, such
  as file/directory layouts and ephemeral pins (Milind Changire)

- average latency is now maintained for all metrics (Venky Shankar)

- some tweaks around handling inline data to make it fit better with
  netfs helper library (David Howells)

Also a couple of memory leaks got plugged along with a few assorted
fixups.  Last but not least, Xiubo has stepped up to serve as a CephFS
co-maintainer.

----------------------------------------------------------------
Dan Carpenter (1):
      ceph: uninitialized variable in debug output

David Howells (2):
      ceph: make ceph_netfs_issue_op() handle inlined data
      ceph: uninline the data on a file opened for writing

Jeff Layton (6):
      ceph: switch netfs read ops to use rreq->inode instead of rreq->mapping->host
      ceph: eliminate req->r_wait_for_completion from ceph_mds_request
      ceph: wait for async create reply before sending any cap messages
      ceph: wake waiters after failed async create
      libceph: drop else branches in prepare_read_data{,_cont}
      MAINTAINERS: add Xiubo Li as cephfs co-maintainer

Milind Changire (1):
      ceph: add getvxattr op

Venky Shankar (4):
      ceph: use ktime_to_timespec64() rather than jiffies_to_timespec64()
      ceph: track average r/w/m latency
      ceph: include average/stdev r/w/m latency in mds metrics
      ceph: use tracked average r/w/m latencies to display metrics in debugfs

Xiubo Li (12):
      ceph: fail the request directly if handle_reply gets an ESTALE
      ceph: move to a dedicated slabcache for ceph_cap_snap
      ceph: zero the dir_entries memory when allocating it
      ceph: do not update snapshot context when there is no new snapshot
      ceph: eliminate the recursion when rebuilding the snap context
      ceph: remove incorrect and unused CEPH_INO_DOTDOT macro
      ceph: do not release the global snaprealm until unmounting
      ceph: allocate capsnap memory outside of ceph_queue_cap_snap()
      ceph: misc fix for code style and logs
      ceph: fix inode reference leakage in ceph_get_snapdir()
      ceph: assign the ci only when the inode isn't NULL
      ceph: fix memory leak in ceph_readdir when note_last_dentry returns error

hongnanli (1):
      ceph: fix comments mentioning i_mutex

 MAINTAINERS                  |   2 +
 fs/ceph/addr.c               | 240 ++++++++++++++++++---------------------
 fs/ceph/caps.c               |  16 ++-
 fs/ceph/debugfs.c            |   5 +-
 fs/ceph/dir.c                |  17 ++-
 fs/ceph/file.c               |  83 ++++++++------
 fs/ceph/inode.c              |  65 ++++++++++-
 fs/ceph/locks.c              |   8 +-
 fs/ceph/mds_client.c         |  69 ++++++------
 fs/ceph/mds_client.h         |  15 ++-
 fs/ceph/metric.c             |  63 ++++++-----
 fs/ceph/metric.h             |  63 +++++++----
 fs/ceph/snap.c               | 263 +++++++++++++++++++++++++++----------------
 fs/ceph/strings.c            |   1 +
 fs/ceph/super.c              |   7 ++
 fs/ceph/super.h              |   9 +-
 fs/ceph/xattr.c              |  13 ++-
 include/linux/ceph/ceph_fs.h |   5 +-
 include/linux/ceph/libceph.h |   1 +
 net/ceph/messenger_v2.c      |   8 +-
 20 files changed, 577 insertions(+), 376 deletions(-)