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Work around a bug where the driver's copy of the disklabel gets corrupted

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and causes diskerr() to panic.
This commit is contained in:
Scott Long 2001-09-02 23:16:40 +00:00
parent 3361abb7a7
commit 61fea38293
1 changed files with 7 additions and 2 deletions
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9
sys/dev/aac/aac_disk.c
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@ -294,10 +294,15 @@ aac_biodone(struct bio *bp)
devstat_end_transaction_bio(&sc->ad_stats, bp);
if (bp->bio_flags & BIO_ERROR) {
/*
* XXX For some reason, the disklabel seems to get zero'd out. This
* will cause diskerr to panic unless we pass in -1 as the blkno.
*/
int blkno = (sc->ad_label.d_nsectors) ? 0 : -1;
#if __FreeBSD_version > 500005
diskerr(bp, (char *)bp->bio_driver1, 0, &sc->ad_label);
diskerr(bp, (char *)bp->bio_driver1, blkno, &sc->ad_label);
#else
diskerr(bp, (char *)bp->bio_driver1, 0, -1, &sc->ad_label);
diskerr(bp, (char *)bp->bio_driver1, 0, blkno, &sc->ad_label);
#endif
}
biodone(bp);