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From: Kirk McKusick <mckusick@FreeBSD.org>
Date: Mon, 7 Aug 2017 02:17:15 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r322130 - stable/11/sys/ufs/ffs
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Author: mckusick
Date: Mon Aug  7 02:17:15 2017
New Revision: 322130
URL: https://svnweb.freebsd.org/changeset/base/322130

Log:
  MFC r321816:
  Avoid reading a snapshot block when it is already in the cache.

Modified:
  stable/11/sys/ufs/ffs/ffs_snapshot.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/ufs/ffs/ffs_snapshot.c
==============================================================================
--- stable/11/sys/ufs/ffs/ffs_snapshot.c	Mon Aug  7 02:15:13 2017	(r322129)
+++ stable/11/sys/ufs/ffs/ffs_snapshot.c	Mon Aug  7 02:17:15 2017	(r322130)
@@ -1403,7 +1403,7 @@ indiracct_ufs2(snapvp, cancelvp, level, blkno, lbn, rl
 	 */
 	bp = getblk(cancelvp, lbn, fs->fs_bsize, 0, 0, 0);
 	bp->b_blkno = fsbtodb(fs, blkno);
-	if ((bp->b_flags & (B_DONE | B_DELWRI)) == 0 &&
+	if ((bp->b_flags & B_CACHE) == 0 &&
 	    (error = readblock(cancelvp, bp, fragstoblks(fs, blkno)))) {
 		brelse(bp);
 		return (error);