[libvirt] [PATCHv6 3/8] storage: Add file storage APIs in the default storage driver

Eric Blake eblake at redhat.com
Thu Feb 13 20:47:57 UTC 2014


On 02/13/2014 09:49 AM, Peter Krempa wrote:
> Add APIs that will allow to use the storage driver to assist in
> operations on files even for remote filesystems without native
> representation as files in the host.
> ---
> 
> Notes:
>     Version 6:
>     - rewrite due to change of exporting approach
>     
>     Version 5:
>     - adapt to error reporting change
> 
>  src/storage/storage_backend.c |  37 +++++++++++
>  src/storage/storage_backend.h |  41 ++++++++++++
>  src/storage/storage_driver.c  | 145 ++++++++++++++++++++++++++++++++++++++++++
>  src/storage/storage_driver.h  |  32 +++++++++-
>  tests/Makefile.am             |   3 +
>  5 files changed, 257 insertions(+), 1 deletion(-)
> 
> +struct _virStorageFileBackend {
> +    int type;
> +    int protocol;
> +
> +    /* All storage file callbacks may be omitted if not implemented */
> +
> +    /* The following group of callbacks is expected to set a libvirt
> +     * error on failure. */
> +    virStorageFileBackendInit backendInit;
> +    virStorageFileBackendDeinit backendDeinit;
> +
> +    /* The following group of callbacks is expected to set errno
> +     * and return -1 on error. No libvirt error shall be reported */
> +    virStorageFileBackendCreate storageFileCreate;
> +    virStorageFileBackendUnlink storageFileUnlink;
> +    virStorageFileBackendStat   storageFileStat;

Thanks; the comments really help.

ACK.

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

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