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Subject[GIT PULL] Ceph updates for 5.18-rc1
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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(-)

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