ceph: fix buffer free while holding i_ceph_lock in __ceph_setxattr() [Linux 4.19.72]

This Linux kernel change "ceph: fix buffer free while holding i_ceph_lock in __ceph_setxattr()" is included in the Linux 4.19.72 release. This change is authored by Luis Henriques <lhenriques [at] suse.com> on Fri Jul 19 15:32:20 2019 +0100. The commit for this change in Linux stable tree is dfb8712 (patch) which is from upstream commit 86968ef. […]