svn commit: r246675 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs

[Pawel Jakub Dawidek]

On Mon, Feb 11, 2013 at 01:59:57PM +0000, Martin Matuska wrote:
> Author: mm
> Date: Mon Feb 11 13:59:57 2013
> New Revision: 246675
> URL: http://svnweb.freebsd.org/changeset/base/246675
> 
> Log:
>   MFV r246394:
>   Add tunable to allow block allocation on degraded vdevs.
>   
>   Illumos ZFS issues:
>     3507 Tunable to allow block allocation even on degraded vdevs
>   
>   References:
>     https://www.illumos.org/issues/3507
>   
>   MFC after:	2 weeks
> 
> Modified:
>   head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c
> Directory Properties:
>   head/sys/cddl/contrib/opensolaris/   (props changed)
> 
> Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c
> ==============================================================================
> --- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c	Mon Feb 11 13:57:03 2013	(r246674)
> +++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c	Mon Feb 11 13:59:57 2013	(r246675)
> @@ -21,6 +21,7 @@
>  /*
>   * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
>   * Copyright (c) 2012 by Delphix. All rights reserved.
> + * Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
>   */
>  
>  #include <sys/zfs_context.h>
> @@ -97,6 +98,15 @@ int metaslab_prefetch_limit = SPA_DVAS_P
>  int metaslab_smo_bonus_pct = 150;
>  
>  /*
> + * Should we be willing to write data to degraded vdevs?
> + */
> +boolean_t zfs_write_to_degraded = B_FALSE;
> +SYSCTL_INT(_vfs_zfs, OID_AUTO, write_to_degraded, CTLFLAG_RW,

Please use CTLFLAG_RWTUN flag here.

> +    &zfs_write_to_degraded, 0,
> +    "Allow writing data to degraded vdevs");

BTW. Those two lines fit into 80 chars just fine.

> +TUNABLE_INT("vfs.zfs.write_to_degraded", &zfs_write_to_degraded);

-- 
Pawel Jakub Dawidek                       http://www.wheelsystems.com
FreeBSD committer                         http://www.FreeBSD.org
Am I Evil? Yes, I Am!                     http://tupytaj.pl
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