- Set bio_done directly to NULL to indicate that we want to wait for the bio.

- Use biowait() instead of copying the code.

MFC after:	1 month

1 files changed, 2 insertions, 5 deletions

diff --git a/sys/ufs/ffs/ffs_snapshot.c b/sys/ufs/ffs/ffs_snapshot.c
index a00d5e9..66df8d6 100644
--- a/sys/ufs/ffs/ffs_snapshot.c
+++ b/sys/ufs/ffs/ffs_snapshot.c
@@ -2254,13 +2254,10 @@ readblock(vp, bp, lbn)
 	bip->bio_offset = dbtob(fsbtodb(ip->i_fs, blkstofrags(ip->i_fs, lbn)));
 	bip->bio_data = bp->b_data;
 	bip->bio_length = bp->b_bcount;
+	bip->bio_done = NULL;
 
 	g_io_request(bip, ip->i_devvp->v_bufobj.bo_private);
-
-	do 
-		msleep(bip, NULL, PRIBIO, "snaprdb", hz/10);
-	while (!(bip->bio_flags & BIO_DONE));
-	bp->b_error = bip->bio_error;
+	bp->b_error = biowait(bip, "snaprdb");
 	g_destroy_bio(bip);
 	return (bp->b_error);
 }