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Date: Fri, 22 Sep 2017 13:29:17 +0300
From: Konstantin Belousov <kostikbel@gmail.com>
To: Andreas Longwitz <longwitz@incore.de>
Cc: Kirk McKusick <mckusick@mckusick.com>, freebsd-fs@freebsd.org
Subject: Re: fsync: giving up on dirty on ufs partitions running
 vfs_write_suspend()
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On Fri, Sep 22, 2017 at 12:01:49PM +0200, Andreas Longwitz wrote:
> Patch against HEAD:
Of course I meant the patch which waits for secondary writers to pass.

> --- vfs_default.c.orig  2017-09-22 11:56:26.950084000 +0200
> +++ vfs_default.c       2017-09-22 11:58:33.211196000 +0200
> @@ -690,6 +690,8 @@
>                         bremfree(bp);
>                         bawrite(bp);
>                 }
> +               if( maxretry < 1000)
> +                       DELAY(1000); /* 1 ms */
>                 BO_LOCK(bo);
>                 goto loop2;
>         }