Merge tag 'ceph-for-4.15-rc1' of git://github.com/ceph/ceph-client
Pull ceph updates from Ilya Dryomov:
"We have a set of file locking improvements from Zheng, rbd rw/ro state
handling code cleanup from myself and some assorted CephFS fixes from
Jeff.
rbd now defaults to single-major=Y, lifting the limit of ~240 rbd
images per host for everyone"
* tag 'ceph-for-4.15-rc1' of git://github.com/ceph/ceph-client:
rbd: default to single-major device number scheme
libceph: don't WARN() if user tries to add invalid key
rbd: set discard_alignment to zero
ceph: silence sparse endianness warning in encode_caps_cb
ceph: remove the bump of i_version
ceph: present consistent fsid, regardless of arch endianness
ceph: clean up spinlocking and list handling around cleanup_cap_releases()
rbd: get rid of rbd_mapping::read_only
rbd: fix and simplify rbd_ioctl_set_ro()
ceph: remove unused and redundant variable dropping
ceph: mark expected switch fall-throughs
ceph: -EINVAL on decoding failure in ceph_mdsc_handle_fsmap()
ceph: disable cached readdir after dropping positive dentry
ceph: fix bool initialization/comparison
ceph: handle 'session get evicted while there are file locks'
ceph: optimize flock encoding during reconnect
ceph: make lock_to_ceph_filelock() static
ceph: keep auth cap when inode has flocks or posix locks
