[libvirt] [PATCH] Create raw storage files with O_DSYNC (again)

Daniel Veillard veillard at redhat.com
Mon Feb 22 13:24:53 UTC 2010


On Mon, Feb 22, 2010 at 12:32:05PM +0100, Jiri Denemark wrote:
> Recently we introduced O_DYSNC flag when creating raw storage files to
> avoid filling all disk cache with dirty pages. However, the patch got
> lost when virStorageBackendCreateRaw was reworked using
> virFileOperation. Let's use O_DYSNC again.
> 
> Signed-off-by: Jiri Denemark <jdenemar at redhat.com>
> ---
>  src/storage/storage_backend.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/src/storage/storage_backend.c b/src/storage/storage_backend.c
> index 8b9ed5d..3742493 100644
> --- a/src/storage/storage_backend.c
> +++ b/src/storage/storage_backend.c
> @@ -356,7 +356,8 @@ virStorageBackendCreateRaw(virConnectPtr conn ATTRIBUTE_UNUSED,
>          goto cleanup;
>      }
>  
> -    if ((createstat = virFileOperation(vol->target.path, O_RDWR | O_CREAT | O_EXCL,
> +    if ((createstat = virFileOperation(vol->target.path,
> +                                       O_RDWR | O_CREAT | O_EXCL | O_DSYNC,
>                                         vol->target.perms.mode,
>                                         vol->target.perms.uid, vol->target.perms.gid,
>                                         createRawFileOpHook, &hdata,

 Ah, right, ACK !

Please push :-)

Daniel

-- 
Daniel Veillard      | libxml Gnome XML XSLT toolkit  http://xmlsoft.org/
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