Author: kib
Date: Tue Jan 9 10:33:11 2018
New Revision: 327721
URL: https://svnweb.freebsd.org/changeset/base/327721
Log:
Postpone the disassotiation of the background write buffer with devvp
so that buf_complete() sees fully constructed buffer.
This is a NOP right now, but will be needed by the forthcoming SU change.
Reported and tested by: pho
Reviewed by: mckusick
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Modified:
head/sys/ufs/ffs/ffs_vfsops.c
Modified: head/sys/ufs/ffs/ffs_vfsops.c
==============================================================================
--- head/sys/ufs/ffs/ffs_vfsops.c Tue Jan 9 09:26:16 2018
(r327720)
+++ head/sys/ufs/ffs/ffs_vfsops.c Tue Jan 9 10:33:11 2018
(r327721)
@@ -2045,7 +2045,6 @@ 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
@@ -2058,6 +2057,7 @@ 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
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