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Allow NULL ccb to cam_iosched_bio_complete

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When the ccb is NULL to cam_iosched_bio_complete, just update the
other statistics, but not the time. If many operations are collapsed
together, this is needed to keep stats properly for the grouped bp.
This should fix trim accounting.

Sponsored by: Netflix
This commit is contained in:
imp 2018-03-14 16:44:16 +00:00
parent 8d10093050
commit bfff519b42
1 changed files with 1 additions and 1 deletions
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2
sys/cam/cam_iosched.c
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@ -1493,7 +1493,7 @@ cam_iosched_bio_complete(struct cam_iosched_softc *isc, struct bio *bp,
printf("Completing command with bio_cmd == %#x\n", bp->bio_cmd);
}
if (!(bp->bio_flags & BIO_ERROR))
if (!(bp->bio_flags & BIO_ERROR) && done_ccb != NULL)
cam_iosched_io_metric_update(isc,
cam_iosched_sbintime_t(done_ccb->ccb_h.qos.periph_data),
bp->bio_cmd, bp->bio_bcount);