svn commit: r328045 - stable/11/sys/ufs/ffs

[Konstantin Belousov]

Author: kib
Date: Tue Jan 16 10:54:32 2018
New Revision: 328045
URL: https://svnweb.freebsd.org/changeset/base/328045

Log:
  MFC r327721:
  Postpone the disassotiation of the background write buffer with devvp
  so that buf_complete() sees fully constructed buffer.

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

Modified: stable/11/sys/ufs/ffs/ffs_vfsops.c
==============================================================================
--- stable/11/sys/ufs/ffs/ffs_vfsops.c	Tue Jan 16 09:31:01 2018	(r328044)
+++ stable/11/sys/ufs/ffs/ffs_vfsops.c	Tue Jan 16 10:54:32 2018	(r328045)
@@ -2040,7 +2040,6 @@ ffs_backgroundwritedone(struct buf *bp)
 	/*
 	 * Process dependencies then return any unfinished ones.
 	 */
-	pbrelvp(bp);
 	if (!LIST_EMPTY(&bp->b_dep) && (bp->b_ioflags & BIO_ERROR) == 0)
 		buf_complete(bp);
 #ifdef SOFTUPDATES
@@ -2053,6 +2052,7 @@ ffs_backgroundwritedone(struct buf *bp)
 	 */
 	bp->b_flags |= B_NOCACHE;
 	bp->b_flags &= ~B_CACHE;
+	pbrelvp(bp);
 
 	/*
 	 * Prevent brelse() from trying to keep and re-dirtying bp on