Author: kib
Date: Thu Mar 21 07:26:33 2013
New Revision: 248568
URL: http://svnweb.freebsd.org/changeset/base/248568
Log:
Assert that transient mapping of the bio is only done when unmapped
buffers are allowed.
Sponsored by: The FreeBSD Foundation
Modified:
head/sys/geom/geom_io.c
Modified: head/sys/geom/geom_io.c
==============================================================================
--- head/sys/geom/geom_io.c Thu Mar 21 07:25:08 2013 (r248567)
+++ head/sys/geom/geom_io.c Thu Mar 21 07:26:33 2013 (r248568)
@@ -628,6 +628,8 @@ g_io_transient_map_bio(struct bio *bp)
u_int retried;
int rv;
+ KASSERT(unmapped_buf_allowed, ("unmapped disabled"));
+
size = round_page(bp->bio_ma_offset + bp->bio_length);
KASSERT(size / PAGE_SIZE == bp->bio_ma_n, ("Bio too short %p", bp));
addr = 0;
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