Re: [Qemu-devel] [PATCH v4 2/2] qga/qmp_guest_fstrim: Return per path fstrim result

[Eric Blake]

On 05/11/2015 12:58 AM, Justin Ossevoort wrote:
> The current guest-fstrim support only returns an error if some
> mountpoint was unable to be trimmed, skipping any possible additional
> mountpoints. The result of the TRIM operation itself is also discarded.
> 
> This change returns a per mountpoint result of the TRIM operation. If an
> error occurs on some mountpoints that error is returned and the
> guest-fstrim continue with any additional mountpoints.
> 
> The returned values for errors, minimum and trimmed are dependant on the
> filesystem, storage stacks and kernel version.
> 
> Signed-off-by: Justin Ossevoort <address@hidden>
> ---
>  qga/commands-posix.c | 54 
> ++++++++++++++++++++++++++++++++++++++--------------
>  qga/commands-win32.c |  4 +++-
>  qga/qapi-schema.json | 32 ++++++++++++++++++++++++++++---
>  3 files changed, 72 insertions(+), 18 deletions(-)
> 

> @@ -437,12 +461,14 @@
>  #       fragmented free space, although not all blocks will be discarded.
>  #       The default value is zero, meaning "discard every free block".
>  #
> -# Returns: Nothing.
> +# Returns: A @GuestFilesystemTrimResponse which contains the
> +#          status of all trimmed paths.

Maybe mention (since 2.4) as part of the Returns: line.

>  #
> -# Since: 1.2
> +# Since: 2.4

NACK to this hunk.  The command itself has existed since 1.2, it is only
the returns type that has changed in 2.4.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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