4.19-stable patches

4.19-stable patches

added patches:
	btrfs-drop-block-from-cache-on-error-in-relocation.patch
	btrfs-fix-crash-during-unmount-due-to-race-with-delayed-inode-workers.patch
	btrfs-fix-missing-file-extent-item-for-hole-after-ranged-fsync.patch
	btrfs-fix-missing-semaphore-unlock-in-btrfs_sync_file.patch
	btrfs-set-update-the-uuid-generation-as-soon-as-possible.patch
	cifs-fix-bug-which-the-return-value-by-asynchronous-read-is-error.patch
	crypto-mxs-dcp-fix-scatterlist-linearization-for-hash.patch
	kvm-nvmx-properly-handle-userspace-interrupt-window-request.patch
	kvm-s390-vsie-fix-delivery-of-addressing-exceptions.patch
	kvm-s390-vsie-fix-region-1-asce-sanity-shadow-address-checks.patch
	kvm-vmx-always-vmclear-in-use-vmcses-during-crash-with-kexec-support.patch
	kvm-vmx-fix-crash-cleanup-when-kvm-wasn-t-used.patch
	kvm-x86-allocate-new-rmap-and-large-page-tracking-when-moving-memslot.patch
	kvm-x86-gracefully-handle-__vmalloc-failure-during-vm-allocation.patch
	mtd-spinand-do-not-erase-the-block-before-writing-a-bad-block-marker.patch
	mtd-spinand-stop-using-spinand-oobbuf-for-buffering-bad-block-markers.patch