Author: mav
Date: Thu Dec 12 08:23:28 2013
New Revision: 259247
URL: http://svnweb.freebsd.org/changeset/base/259247
Log:
Fix bug introduced at r256607. We have to recalculate bp_resid here since
sizes of original and completed requests may differ due to end of media.
Bisected by: pho
Modified:
head/sys/geom/geom_dev.c
Modified: head/sys/geom/geom_dev.c
==============================================================================
--- head/sys/geom/geom_dev.c Thu Dec 12 05:49:27 2013 (r259246)
+++ head/sys/geom/geom_dev.c Thu Dec 12 08:23:28 2013 (r259247)
@@ -487,7 +487,7 @@ g_dev_done(struct bio *bp2)
bp = bp2->bio_parent;
bp->bio_error = bp2->bio_error;
bp->bio_completed = bp2->bio_completed;
- bp->bio_resid = bp2->bio_resid;
+ bp->bio_resid = bp->bio_length - bp2->bio_completed;
if (bp2->bio_error != 0) {
g_trace(G_T_BIO, "g_dev_done(%p) had error %d",
bp2, bp2->bio_error);
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