4.9-stable patches

4.9-stable patches

added patches:
	xfs-always-succeed-when-deduping-zero-bytes.patch
	xfs-check-for-bogus-values-in-btree-block-headers.patch
	xfs-check-minimum-block-size-for-crc-filesystems.patch
	xfs-check-return-value-of-_trans_reserve_quota_nblks.patch
	xfs-clean-up-cow-fork-reservation-and-tag-inodes-correctly.patch
	xfs-complain-if-we-don-t-get-nextents-bmap-records.patch
	xfs-don-t-allow-di_size-with-high-bit-set.patch
	xfs-don-t-bug-on-mixed-direct-and-mapped-i-o.patch
	xfs-don-t-call-xfs_sb_quota_from_disk-twice.patch
	xfs-don-t-cap-maximum-dedupe-request-length.patch
	xfs-don-t-crash-if-reading-a-directory-results-in-an-unexpected-hole.patch
	xfs-don-t-skip-cow-forks-w-delalloc-blocks-in-cowblocks-scan.patch
	xfs-error-out-if-trying-to-add-attrs-and-anextents-0.patch
	xfs-factor-rmap-btree-size-into-the-indlen-calculations.patch
	xfs-fix-crash-and-data-corruption-due-to-removal-of-busy-cow-extents.patch
	xfs-fix-double-cleanup-when-cui-recovery-fails.patch
	xfs-fix-max_retries-_show-and-_store-functions.patch
	xfs-fix-unbalanced-inode-reclaim-flush-locking.patch
	xfs-forbid-ag-btrees-with-level-0.patch
	xfs-handle-cow-fork-in-xfs_bmap_trace_exlist.patch
	xfs-ignore-leaf-attr-ichdr.count-in-verifier-during-log-replay.patch
	xfs-move-agi-buffer-type-setting-to-xfs_read_agi.patch
	xfs-new-inode-extent-list-lookup-helpers.patch
	xfs-pass-post-eof-speculative-prealloc-blocks-to-bmapi.patch
	xfs-pass-state-not-whichfork-to-trace_xfs_extlist.patch
	xfs-provide-helper-for-counting-extents-from-if_bytes.patch
	xfs-remove-prev-argument-to-xfs_bmapi_reserve_delalloc.patch
	xfs-track-preallocation-separately-in-xfs_bmapi_reserve_delalloc.patch
	xfs-use-gpf_nofs-when-allocating-btree-cursors.patch
	xfs-use-new-extent-lookup-helpers-in-__xfs_reflink_reserve_cow.patch
	xfs-use-new-extent-lookup-helpers-xfs_file_iomap_begin_delay.patch
	xfs-use-the-actual-ag-length-when-reserving-blocks.patch