5.4-stable patches

5.4-stable patches

added patches:
	btrfs-destroy-qgroup-extent-records-on-transaction-abort.patch
	btrfs-do-not-check-delayed-items-are-empty-for-single-transaction-cleanup.patch
	btrfs-don-t-set-path-leave_spinning-for-truncate.patch
	btrfs-fix-btrfs_wait_ordered_range-so-that-it-waits-for-all-ordered-extents.patch
	btrfs-fix-bytes_may_use-underflow-in-prealloc-error-condtition.patch
	btrfs-fix-deadlock-during-fast-fsync-when-logging-prealloc-extents-beyond-eof.patch
	btrfs-fix-race-between-shrinking-truncate-and-fiemap.patch
	btrfs-reset-fs_root-to-null-on-error-in-open_ctree.patch
	kvm-apic-avoid-calculating-pending-eoi-from-an-uninitialized-val.patch
	kvm-nvmx-clear-pin_based_posted_intr-from-nested-pinbased_ctls-only-when-apicv-is-globally-disabled.patch
	kvm-nvmx-handle-nested-posted-interrupts-when-apicv-is-disabled-for-l1.patch