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Subject[GIT PULL] Ceph updates for 4.20-rc1
Date
Hi Linus,

The following changes since commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d:

Linux 4.19 (2018-10-22 07:37:37 +0100)

are available in the Git repository at:

https://github.com/ceph/ceph-client.git tags/ceph-for-4.20-rc1

for you to fetch changes up to ea4cdc548e5e74a529cdd1aea885d74b4aa8f1b3:

ceph: new mount option to disable usage of copy-from op (2018-10-22 10:28:24 +0200)

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

- a series that fixes some old memory allocation issues in libceph
(myself). We no longer allocate memory in places where allocation
failures cannot be handled and BUG when the allocation fails.

- support for copy_file_range() syscall (Luis Henriques). If size and
alignment conditions are met, it leverages RADOS copy-from operation.
Otherwise, a local copy is performed.

- a patch that reduces memory requirement of ceph_sync_read() from the
size of the entire read to the size of one object (Zheng Yan).

- fallocate() syscall is now restricted to FALLOC_FL_PUNCH_HOLE (Luis
Henriques)

----------------------------------------------------------------
Chengguang Xu (3):
ceph: reset cap hold timeout only for requeued inode
rbd: add __init/__exit annotations
ceph: check snap first in ceph_set_acl()

Ilya Dryomov (12):
libceph: bump CEPH_MSG_MAX_DATA_LEN
libceph: osd_req_op_cls_init() doesn't need to take opcode
libceph: introduce ceph_pagelist_alloc()
libceph: don't consume a ref on pagelist in ceph_msg_data_add_pagelist()
libceph: no need to call osd_req_opcode_valid() in osd_req_encode_op()
ceph: num_ops is off by one in ceph_aio_retry_work()
libceph: enable fallback to ceph_msg_new() in ceph_msgpool_get()
libceph: assign cookies in linger_submit()
libceph: introduce alloc_watch_request()
libceph, rbd, ceph: move ceph_osdc_alloc_messages() calls
libceph: preallocate message data items
libceph: check reply num_data_items in setup_request_data()

Luis Henriques (5):
ceph: only allow punch hole mode in fallocate
ceph: add non-blocking parameter to ceph_try_get_caps()
libceph: support the RADOS copy-from operation
ceph: support copy_file_range file operation
ceph: new mount option to disable usage of copy-from op

Xuehan Xu (1):
ceph: set timeout conditionally in __cap_delay_requeue

Yan, Zheng (4):
Revert "ceph: fix dentry leak in splice_dentry()"
ceph: fix dentry leak in ceph_readdir_prepopulate
ceph: check if LOOKUPNAME request was aborted when filling trace
ceph: refactor ceph_sync_read()

Documentation/filesystems/ceph.txt | 5 +
drivers/block/rbd.c | 28 +-
fs/ceph/acl.c | 13 +-
fs/ceph/addr.c | 2 +-
fs/ceph/caps.c | 21 +-
fs/ceph/file.c | 573 +++++++++++++++++++++++++++----------
fs/ceph/inode.c | 13 +-
fs/ceph/mds_client.c | 9 +-
fs/ceph/super.c | 13 +
fs/ceph/super.h | 3 +-
fs/ceph/xattr.c | 3 +-
include/linux/ceph/libceph.h | 8 +-
include/linux/ceph/messenger.h | 24 +-
include/linux/ceph/msgpool.h | 11 +-
include/linux/ceph/osd_client.h | 22 +-
include/linux/ceph/pagelist.h | 11 +-
include/linux/ceph/rados.h | 28 ++
net/ceph/messenger.c | 107 +++----
net/ceph/msgpool.c | 27 +-
net/ceph/osd_client.c | 363 +++++++++++++++++------
net/ceph/pagelist.c | 20 ++
21 files changed, 900 insertions(+), 404 deletions(-)

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