D52109.id160788.diff
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D52109.id160788.diff
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	diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c
	--- a/sys/kern/vfs_bio.c
	+++ b/sys/kern/vfs_bio.c
	@@ -5269,6 +5269,16 @@
	}
	}

	+struct memdesc
	+memdesc_buf(struct buf *bp)
	+{
	+ if (!buf_mapped(bp))
	+ return (memdesc_vmpages(bp->b_pages, bp->b_bufsize,
	+ (vm_offset_t)bp->b_offset & PAGE_MASK));
	+
	+ return (memdesc_vaddr(bp->b_data, bp->b_bufsize));
	+}
	+
	struct memdesc
	memdesc_bio(struct bio *bio)
	{
	diff --git a/sys/sys/memdesc.h b/sys/sys/memdesc.h
	--- a/sys/sys/memdesc.h
	+++ b/sys/sys/memdesc.h
	@@ -30,6 +30,7 @@
	#define _SYS_MEMDESC_H_

	struct bio;
	+struct buf;
	struct bus_dma_segment;
	struct uio;
	struct mbuf;
	@@ -150,6 +151,7 @@
	return (mem);
	}

	+struct memdesc memdesc_buf(struct buf *bp);
	struct memdesc memdesc_bio(struct bio *bio);
	struct memdesc memdesc_ccb(union ccb *ccb);